hotspot/src/share/vm/runtime/fprofiler.cpp
author pliden
Wed, 13 May 2015 15:16:06 +0200
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8079792: GC directory structure cleanup Reviewed-by: brutisso, stefank, david
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/*
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 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/classLoader.hpp"
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#include "code/codeCache.hpp"
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#include "code/vtableStubs.hpp"
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#include "gc/shared/collectedHeap.inline.hpp"
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#include "interpreter/interpreter.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/universe.inline.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/symbol.hpp"
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#include "runtime/deoptimization.hpp"
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#include "runtime/fprofiler.hpp"
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#include "runtime/mutexLocker.hpp"
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#include "runtime/stubCodeGenerator.hpp"
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#include "runtime/stubRoutines.hpp"
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#include "runtime/task.hpp"
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#include "runtime/thread.inline.hpp"
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#include "runtime/vframe.hpp"
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#include "utilities/macros.hpp"
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PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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// Static fields of FlatProfiler
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int               FlatProfiler::received_gc_ticks   = 0;
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int               FlatProfiler::vm_operation_ticks  = 0;
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int               FlatProfiler::threads_lock_ticks  = 0;
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int               FlatProfiler::class_loader_ticks  = 0;
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int               FlatProfiler::extra_ticks         = 0;
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int               FlatProfiler::blocked_ticks       = 0;
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int               FlatProfiler::deopt_ticks         = 0;
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int               FlatProfiler::unknown_ticks       = 0;
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int               FlatProfiler::interpreter_ticks   = 0;
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int               FlatProfiler::compiler_ticks      = 0;
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int               FlatProfiler::received_ticks      = 0;
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int               FlatProfiler::delivered_ticks     = 0;
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int*              FlatProfiler::bytecode_ticks      = NULL;
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int*              FlatProfiler::bytecode_ticks_stub = NULL;
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int               FlatProfiler::all_int_ticks       = 0;
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int               FlatProfiler::all_comp_ticks      = 0;
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int               FlatProfiler::all_ticks           = 0;
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bool              FlatProfiler::full_profile_flag   = false;
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ThreadProfiler*   FlatProfiler::thread_profiler     = NULL;
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ThreadProfiler*   FlatProfiler::vm_thread_profiler  = NULL;
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FlatProfilerTask* FlatProfiler::task                = NULL;
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elapsedTimer      FlatProfiler::timer;
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int               FlatProfiler::interval_ticks_previous = 0;
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IntervalData*     FlatProfiler::interval_data       = NULL;
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ThreadProfiler::ThreadProfiler() {
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  // Space for the ProfilerNodes
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  const int area_size = 1 * ProfilerNodeSize * 1024;
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  area_bottom = AllocateHeap(area_size, mtInternal);
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  area_top    = area_bottom;
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  area_limit  = area_bottom + area_size;
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  // ProfilerNode pointer table
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  table = NEW_C_HEAP_ARRAY(ProfilerNode*, table_size, mtInternal);
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  initialize();
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  engaged = false;
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}
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ThreadProfiler::~ThreadProfiler() {
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  FreeHeap(area_bottom);
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  area_bottom = NULL;
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  area_top = NULL;
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  area_limit = NULL;
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  FreeHeap(table);
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  table = NULL;
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}
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// Statics for ThreadProfiler
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int ThreadProfiler::table_size = 1024;
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int ThreadProfiler::entry(int  value) {
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  value = (value > 0) ? value : -value;
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  return value % table_size;
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}
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ThreadProfilerMark::ThreadProfilerMark(ThreadProfilerMark::Region r) {
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  _r = r;
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  _pp = NULL;
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  assert(((r > ThreadProfilerMark::noRegion) && (r < ThreadProfilerMark::maxRegion)), "ThreadProfilerMark::Region out of bounds");
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  Thread* tp = Thread::current();
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  if (tp != NULL && tp->is_Java_thread()) {
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    JavaThread* jtp = (JavaThread*) tp;
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    ThreadProfiler* pp = jtp->get_thread_profiler();
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    _pp = pp;
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    if (pp != NULL) {
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      pp->region_flag[r] = true;
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    }
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  }
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}
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ThreadProfilerMark::~ThreadProfilerMark() {
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  if (_pp != NULL) {
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    _pp->region_flag[_r] = false;
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  }
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  _pp = NULL;
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}
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// Random other statics
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static const int col1 = 2;      // position of output column 1
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static const int col2 = 11;     // position of output column 2
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static const int col3 = 25;     // position of output column 3
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static const int col4 = 55;     // position of output column 4
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// Used for detailed profiling of nmethods.
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class PCRecorder : AllStatic {
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 private:
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  static int*    counters;
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  static address base;
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  enum {
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   bucket_size = 16
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  };
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  static int     index_for(address pc) { return (pc - base)/bucket_size;   }
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  static address pc_for(int index)     { return base + (index * bucket_size); }
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  static int     size() {
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    return ((int)CodeCache::max_capacity())/bucket_size * BytesPerWord;
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  }
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 public:
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  static address bucket_start_for(address pc) {
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    if (counters == NULL) return NULL;
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    return pc_for(index_for(pc));
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  }
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  static int bucket_count_for(address pc)  { return counters[index_for(pc)]; }
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  static void init();
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  static void record(address pc);
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  static void print();
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  static void print_blobs(CodeBlob* cb);
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};
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int*    PCRecorder::counters = NULL;
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address PCRecorder::base     = NULL;
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void PCRecorder::init() {
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  MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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  int s = size();
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  counters = NEW_C_HEAP_ARRAY(int, s, mtInternal);
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  for (int index = 0; index < s; index++) {
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    counters[index] = 0;
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  }
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  base = CodeCache::low_bound();
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}
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void PCRecorder::record(address pc) {
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  if (counters == NULL) return;
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  assert(CodeCache::contains(pc), "must be in CodeCache");
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  counters[index_for(pc)]++;
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}
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address FlatProfiler::bucket_start_for(address pc) {
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  return PCRecorder::bucket_start_for(pc);
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}
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int FlatProfiler::bucket_count_for(address pc) {
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  return PCRecorder::bucket_count_for(pc);
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}
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void PCRecorder::print() {
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  if (counters == NULL) return;
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  tty->cr();
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  tty->print_cr("Printing compiled methods with PC buckets having more than %d ticks", ProfilerPCTickThreshold);
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  tty->print_cr("===================================================================");
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  tty->cr();
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  GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20);
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  int s;
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  {
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    MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    s = size();
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  }
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  for (int index = 0; index < s; index++) {
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    int count = counters[index];
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    if (count > ProfilerPCTickThreshold) {
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      address pc = pc_for(index);
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      CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
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      if (cb != NULL && candidates->find(cb) < 0) {
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        candidates->push(cb);
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      }
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    }
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  }
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  for (int i = 0; i < candidates->length(); i++) {
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    print_blobs(candidates->at(i));
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  }
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}
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void PCRecorder::print_blobs(CodeBlob* cb) {
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  if (cb != NULL) {
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    cb->print();
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    if (cb->is_nmethod()) {
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      ((nmethod*)cb)->print_code();
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    }
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    tty->cr();
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  } else {
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    tty->print_cr("stub code");
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  }
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}
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class tick_counter {            // holds tick info for one node
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 public:
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  int ticks_in_code;
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  int ticks_in_native;
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  tick_counter()                     {  ticks_in_code = ticks_in_native = 0; }
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  tick_counter(int code, int native) {  ticks_in_code = code; ticks_in_native = native; }
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  int total() const {
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    return (ticks_in_code + ticks_in_native);
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  }
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  void add(tick_counter* a) {
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    ticks_in_code += a->ticks_in_code;
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    ticks_in_native += a->ticks_in_native;
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  }
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  void update(TickPosition where) {
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    switch(where) {
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      case tp_code:     ticks_in_code++;       break;
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      case tp_native:   ticks_in_native++;      break;
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    }
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  }
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  void print_code(outputStream* st, int total_ticks) {
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    st->print("%5.1f%% %5d ", total() * 100.0 / total_ticks, ticks_in_code);
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  }
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  void print_native(outputStream* st) {
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    st->print(" + %5d ", ticks_in_native);
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  }
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};
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class ProfilerNode {
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 private:
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  ProfilerNode* _next;
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 public:
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  tick_counter ticks;
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 public:
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  void* operator new(size_t size, ThreadProfiler* tp) throw();
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  void  operator delete(void* p);
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  ProfilerNode() {
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    _next = NULL;
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  }
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  virtual ~ProfilerNode() {
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    if (_next)
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      delete _next;
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  }
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  void set_next(ProfilerNode* n) { _next = n; }
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  ProfilerNode* next()           { return _next; }
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  void update(TickPosition where) { ticks.update(where);}
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  int total_ticks() { return ticks.total(); }
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  virtual bool is_interpreted() const { return false; }
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  virtual bool is_compiled()    const { return false; }
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  virtual bool is_stub()        const { return false; }
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  virtual bool is_runtime_stub() const{ return false; }
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  virtual void oops_do(OopClosure* f) = 0;
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  virtual bool interpreted_match(Method* m) const { return false; }
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  virtual bool compiled_match(Method* m ) const { return false; }
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  virtual bool stub_match(Method* m, const char* name) const { return false; }
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  virtual bool adapter_match() const { return false; }
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  virtual bool runtimeStub_match(const CodeBlob* stub, const char* name) const { return false; }
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  virtual bool unknown_compiled_match(const CodeBlob* cb) const { return false; }
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  static void print_title(outputStream* st) {
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    st->print(" + native");
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    st->fill_to(col3);
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    st->print("Method");
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    st->fill_to(col4);
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    st->cr();
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  }
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  static void print_total(outputStream* st, tick_counter* t, int total, const char* msg) {
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    t->print_code(st, total);
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    st->fill_to(col2);
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    t->print_native(st);
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    st->fill_to(col3);
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    st->print("%s", msg);
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    st->cr();
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  }
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  virtual Method* method()         = 0;
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  virtual void print_method_on(outputStream* st) {
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    int limit;
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    int i;
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    Method* m = method();
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    Symbol* k = m->klass_name();
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    // Print the class name with dots instead of slashes
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    limit = k->utf8_length();
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    for (i = 0 ; i < limit ; i += 1) {
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      char c = (char) k->byte_at(i);
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      if (c == '/') {
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        c = '.';
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      }
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      st->print("%c", c);
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    }
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    if (limit > 0) {
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      st->print(".");
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    }
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    Symbol* n = m->name();
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    limit = n->utf8_length();
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    for (i = 0 ; i < limit ; i += 1) {
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      char c = (char) n->byte_at(i);
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      st->print("%c", c);
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    }
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    if (Verbose || WizardMode) {
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      // Disambiguate overloaded methods
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      Symbol* sig = m->signature();
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      sig->print_symbol_on(st);
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    } else if (MethodHandles::is_signature_polymorphic(m->intrinsic_id()))
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      // compare with Method::print_short_name
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      MethodHandles::print_as_basic_type_signature_on(st, m->signature(), true);
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  }
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  virtual void print(outputStream* st, int total_ticks) {
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    ticks.print_code(st, total_ticks);
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    st->fill_to(col2);
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    ticks.print_native(st);
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    st->fill_to(col3);
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    print_method_on(st);
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    st->cr();
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  }
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  // for hashing into the table
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  static int hash(Method* method) {
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      // The point here is to try to make something fairly unique
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      // out of the fields we can read without grabbing any locks
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      // since the method may be locked when we need the hash.
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      return (
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          method->code_size() ^
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          method->max_stack() ^
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          method->max_locals() ^
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          method->size_of_parameters());
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  }
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  // for sorting
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  static int compare(ProfilerNode** a, ProfilerNode** b) {
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    return (*b)->total_ticks() - (*a)->total_ticks();
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  }
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};
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void* ProfilerNode::operator new(size_t size, ThreadProfiler* tp) throw() {
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  void* result = (void*) tp->area_top;
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  tp->area_top += size;
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  if (tp->area_top > tp->area_limit) {
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   384
    fatal("flat profiler buffer overflow");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
void ProfilerNode::operator delete(void* p){
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
class interpretedNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
 private:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   394
   Method* _method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   395
   oop       _class_loader;  // needed to keep metadata for the method alive
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
 public:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   397
   interpretedNode(Method* method, TickPosition where) : ProfilerNode() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
     _method = method;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   399
     _class_loader = method->method_holder()->class_loader();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
     update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
   bool is_interpreted() const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   405
   bool interpreted_match(Method* m) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
      return _method == m;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
   void oops_do(OopClosure* f) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   410
     f->do_oop(&_class_loader);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   413
   Method* method() { return _method; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
   static void print_title(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
     st->fill_to(col1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
     st->print("%11s", "Interpreted");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
     ProfilerNode::print_title(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
   void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
     ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
   void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
     ProfilerNode::print_method_on(st);
17000
11bf92e571a2 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 13728
diff changeset
   427
     MethodCounters* mcs = method()->method_counters();
11bf92e571a2 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 13728
diff changeset
   428
     if (Verbose && mcs != NULL) mcs->invocation_counter()->print_short();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
class compiledNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
 private:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   434
   Method* _method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   435
   oop       _class_loader;  // needed to keep metadata for the method alive
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
 public:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   437
   compiledNode(Method* method, TickPosition where) : ProfilerNode() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
     _method = method;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   439
     _class_loader = method->method_holder()->class_loader();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
     update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
  bool is_compiled()    const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   444
  bool compiled_match(Method* m) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
    return _method == m;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   448
  Method* method()         { return _method; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  void oops_do(OopClosure* f) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   451
    f->do_oop(&_class_loader);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  static void print_title(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
    st->fill_to(col1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
    st->print("%11s", "Compiled");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
    ProfilerNode::print_title(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
  void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
    ProfilerNode::print_method_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
class stubNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
 private:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   471
  Method* _method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   472
  oop       _class_loader;  // needed to keep metadata for the method alive
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
  const char* _symbol;   // The name of the nearest VM symbol (for +ProfileVM). Points to a unique string
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
 public:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   475
   stubNode(Method* method, const char* name, TickPosition where) : ProfilerNode() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
     _method = method;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   477
     _class_loader = method->method_holder()->class_loader();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
     _symbol = name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
     update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
   bool is_stub() const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   484
   void oops_do(OopClosure* f) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   485
     f->do_oop(&_class_loader);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   486
   }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   487
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   488
   bool stub_match(Method* m, const char* name) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
     return (_method == m) && (_symbol == name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   492
   Method* method() { return _method; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
   static void print_title(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
     st->fill_to(col1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
     st->print("%11s", "Stub");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
     ProfilerNode::print_title(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
   void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
     ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
   void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
     ProfilerNode::print_method_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
     print_symbol_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
  void print_symbol_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
    if(_symbol) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
      st->print("  (%s)", _symbol);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
class adapterNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
   adapterNode(TickPosition where) : ProfilerNode() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
     update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
  bool is_compiled()    const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
  bool adapter_match() const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   525
  Method* method()         { return NULL; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
  void oops_do(OopClosure* f) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
    ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
  void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
    ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
  void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
    st->print("%s", "adapters");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
class runtimeStubNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
   const CodeBlob* _stub;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
  const char* _symbol;     // The name of the nearest VM symbol when ProfileVM is on. Points to a unique string.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
   runtimeStubNode(const CodeBlob* stub, const char* name, TickPosition where) : ProfilerNode(), _stub(stub),  _symbol(name) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
     assert(stub->is_runtime_stub(), "wrong code blob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
     update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
   }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
  bool is_runtime_stub() const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
  bool runtimeStub_match(const CodeBlob* stub, const char* name) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
    assert(stub->is_runtime_stub(), "wrong code blob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
    return ((RuntimeStub*)_stub)->entry_point() == ((RuntimeStub*)stub)->entry_point() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
            (_symbol == name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   558
  Method* method() { return NULL; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
  static void print_title(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
    st->fill_to(col1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
    st->print("%11s", "Runtime stub");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
    ProfilerNode::print_title(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
  void oops_do(OopClosure* f) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
    ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
  void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
    ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
  void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
    st->print("%s", ((RuntimeStub*)_stub)->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
    print_symbol_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
  void print_symbol_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
    if(_symbol) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
      st->print("  (%s)", _symbol);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
class unknown_compiledNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
 const char *_name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
   unknown_compiledNode(const CodeBlob* cb, TickPosition where) : ProfilerNode() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
     if ( cb->is_buffer_blob() )
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
       _name = ((BufferBlob*)cb)->name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
     else
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
       _name = ((SingletonBlob*)cb)->name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
     update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
  bool is_compiled()    const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  bool unknown_compiled_match(const CodeBlob* cb) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
     if ( cb->is_buffer_blob() )
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
       return !strcmp(((BufferBlob*)cb)->name(), _name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
     else
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
       return !strcmp(((SingletonBlob*)cb)->name(), _name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   606
  Method* method()         { return NULL; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
  void oops_do(OopClosure* f) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
    ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
  void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
    ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
  void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
    st->print("%s", _name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
class vmNode : public ProfilerNode {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
  const char* _name; // "optional" name obtained by os means such as dll lookup
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
  vmNode(const TickPosition where) : ProfilerNode() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
    _name = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
    update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
  vmNode(const char* name, const TickPosition where) : ProfilerNode() {
25949
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   631
    _name = os::strdup(name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
    update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
25949
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   635
  ~vmNode() {
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   636
    if (_name != NULL) {
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   637
      os::free((void*)_name);
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   638
    }
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   639
  }
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   640
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
  const char *name()    const { return _name; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
  bool is_compiled()    const { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
  bool vm_match(const char* name) const { return strcmp(name, _name) == 0; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   646
  Method* method()          { return NULL; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
  static int hash(const char* name){
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
    // Compute a simple hash
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
    const char* cp = name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
    int h = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
    if(name != NULL){
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
      while(*cp != '\0'){
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
        h = (h << 1) ^ *cp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
        cp++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
    return h;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
  void oops_do(OopClosure* f) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
    ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
  void print(outputStream* st, int total_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
    ProfilerNode::print(st, total_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
  void print_method_on(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
    if(_name==NULL){
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
      st->print("%s", "unknown code");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
    else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
      st->print("%s", _name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   680
void ThreadProfiler::interpreted_update(Method* method, TickPosition where) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   681
  int index = entry(ProfilerNode::hash(method));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
  if (!table[index]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
    table[index] = new (this) interpretedNode(method, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   684
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
      if (node->interpreted_match(method)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   690
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   691
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
    prev->set_next(new (this) interpretedNode(method, where));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   697
void ThreadProfiler::compiled_update(Method* method, TickPosition where) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
  int index = entry(ProfilerNode::hash(method));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   699
  if (!table[index]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   700
    table[index] = new (this) compiledNode(method, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   701
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   702
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
      if (node->compiled_match(method)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   705
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   706
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
    prev->set_next(new (this) compiledNode(method, where));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   712
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   713
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   714
void ThreadProfiler::stub_update(Method* method, const char* name, TickPosition where) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   715
  int index = entry(ProfilerNode::hash(method));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
  if (!table[index]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   717
    table[index] = new (this) stubNode(method, name, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   718
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   719
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   720
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   721
      if (node->stub_match(method, name)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   722
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   723
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   724
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   726
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   727
    prev->set_next(new (this) stubNode(method, name, where));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   728
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   729
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   730
489c9b5090e2 Initial load
duke
parents:
diff changeset
   731
void ThreadProfiler::adapter_update(TickPosition where) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   732
  int index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
  if (!table[index]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
    table[index] = new (this) adapterNode(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
      if (node->adapter_match()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
    prev->set_next(new (this) adapterNode(where));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
void ThreadProfiler::runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
  int index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
  if (!table[index]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
    table[index] = new (this) runtimeStubNode(stub, name, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   752
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
      if (node->runtimeStub_match(stub, name)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   756
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   758
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   759
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   760
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   761
    prev->set_next(new (this) runtimeStubNode(stub, name, where));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   762
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   763
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   764
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
void ThreadProfiler::unknown_compiled_update(const CodeBlob* cb, TickPosition where) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
  int index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
  if (!table[index]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
    table[index] = new (this) unknown_compiledNode(cb, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
      if (node->unknown_compiled_match(cb)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
    prev->set_next(new (this) unknown_compiledNode(cb, where));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
void ThreadProfiler::vm_update(TickPosition where) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
  vm_update(NULL, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
void ThreadProfiler::vm_update(const char* name, TickPosition where) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
  int index = entry(vmNode::hash(name));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
  assert(index >= 0, "Must be positive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
  // Note that we call strdup below since the symbol may be resource allocated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
  if (!table[index]) {
25949
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   792
    table[index] = new (this) vmNode(name, where);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
    ProfilerNode* prev = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
    for(ProfilerNode* node = prev; node; node = node->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
      if (((vmNode *)node)->vm_match(name)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
        node->update(where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
      prev = node;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
    }
25949
34557722059b 6424123: JVM crashes on failed 'strdup' call
zgu
parents: 25715
diff changeset
   802
    prev->set_next(new (this) vmNode(name, where));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
class FlatProfilerTask : public PeriodicTask {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
  FlatProfilerTask(int interval_time) : PeriodicTask(interval_time) {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
  void task();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
void FlatProfiler::record_vm_operation() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
  if (Universe::heap()->is_gc_active()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
    FlatProfiler::received_gc_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
  if (DeoptimizationMarker::is_active()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
    FlatProfiler::deopt_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
  FlatProfiler::vm_operation_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
void FlatProfiler::record_vm_tick() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
  // Profile the VM Thread itself if needed
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
  // This is done without getting the Threads_lock and we can go deep
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
  // inside Safepoint, etc.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   831
  if( ProfileVM  ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
    ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
    ExtendedPC epc;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
    const char *name = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
    char buf[256];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
    buf[0] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
    vm_thread_profiler->inc_thread_ticks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
    // Get a snapshot of a current VMThread pc (and leave it running!)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
    // The call may fail if, for instance the VM thread is interrupted while
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
    // holding the Interrupt_lock or for other reasons.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
    epc = os::get_thread_pc(VMThread::vm_thread());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
    if(epc.pc() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
      if (os::dll_address_to_function_name(epc.pc(), buf, sizeof(buf), NULL)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
         name = buf;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
    if (name != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
      vm_thread_profiler->vm_update(name, tp_native);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
void FlatProfiler::record_thread_ticks() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
  int maxthreads, suspendedthreadcount;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  JavaThread** threadsList;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
  bool interval_expired = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
  if (ProfileIntervals &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
      (FlatProfiler::received_ticks >= interval_ticks_previous + ProfileIntervalsTicks)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
    interval_expired = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
    interval_ticks_previous = FlatProfiler::received_ticks;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
  // Try not to wait for the Threads_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
  if (Threads_lock->try_lock()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
    {  // Threads_lock scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
      maxthreads = Threads::number_of_threads();
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 8921
diff changeset
   871
      threadsList = NEW_C_HEAP_ARRAY(JavaThread *, maxthreads, mtInternal);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
      suspendedthreadcount = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
      for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
        if (tp->is_Compiler_thread()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
          // Only record ticks for active compiler threads
489c9b5090e2 Initial load
duke
parents:
diff changeset
   876
          CompilerThread* cthread = (CompilerThread*)tp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   877
          if (cthread->task() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
            // The compiler is active.  If we need to access any of the fields
489c9b5090e2 Initial load
duke
parents:
diff changeset
   879
            // of the compiler task we should suspend the CompilerThread first.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   880
            FlatProfiler::compiler_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   881
            continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   882
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   883
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
        // First externally suspend all threads by marking each for
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
        // external suspension - so it will stop at its next transition
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
        // Then do a safepoint
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
        ThreadProfiler* pp = tp->get_thread_profiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
        if (pp != NULL && pp->engaged) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
          MutexLockerEx ml(tp->SR_lock(), Mutex::_no_safepoint_check_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
          if (!tp->is_external_suspend() && !tp->is_exiting()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
            tp->set_external_suspend();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
            threadsList[suspendedthreadcount++] = tp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
      Threads_lock->unlock();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
    // Suspend each thread. This call should just return
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
    // for any threads that have already self-suspended
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
    // Net result should be one safepoint
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
    for (int j = 0; j < suspendedthreadcount; j++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
      JavaThread *tp = threadsList[j];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
      if (tp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
        tp->java_suspend();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
    // We are responsible for resuming any thread on this list
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
    for (int i = 0; i < suspendedthreadcount; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
      JavaThread *tp = threadsList[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
      if (tp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
        ThreadProfiler* pp = tp->get_thread_profiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
        if (pp != NULL && pp->engaged) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
          HandleMark hm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
          FlatProfiler::delivered_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
          if (interval_expired) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
          FlatProfiler::interval_record_thread(pp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
          // This is the place where we check to see if a user thread is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
          // blocked waiting for compilation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
          if (tp->blocked_on_compilation()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
            pp->compiler_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
            pp->interval_data_ref()->inc_compiling();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
          } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
            pp->record_tick(tp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
        MutexLocker ml(Threads_lock);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
        tp->java_resume();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
    if (interval_expired) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
      FlatProfiler::interval_print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
      FlatProfiler::interval_reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
    }
19698
fd7f14977192 6991327: using -Xprof trigger native memory leak
zgu
parents: 17000
diff changeset
   937
27880
afb974a04396 8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents: 26796
diff changeset
   938
    FREE_C_HEAP_ARRAY(JavaThread *, threadsList);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
    // Couldn't get the threads lock, just record that rather than blocking
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
    FlatProfiler::threads_lock_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
void FlatProfilerTask::task() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
  FlatProfiler::received_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
  if (ProfileVM) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
    FlatProfiler::record_vm_tick();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
  VM_Operation* op = VMThread::vm_operation();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
  if (op != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
    FlatProfiler::record_vm_operation();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
    if (SafepointSynchronize::is_at_safepoint()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
      return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
  FlatProfiler::record_thread_ticks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
354
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
   963
void ThreadProfiler::record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
  FlatProfiler::all_int_ticks++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
  if (!FlatProfiler::full_profile()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
354
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
   969
  if (!fr.is_interpreted_frame_valid(thread)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
    // tick came at a bad time
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
    interpreter_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
    FlatProfiler::interpreter_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
354
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
   976
  // The frame has been fully validated so we can trust the method and bci
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
   977
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   978
  Method* method = *fr.interpreter_frame_method_addr();
354
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
   979
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
  interpreted_update(method, where);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
489c9b5090e2 Initial load
duke
parents:
diff changeset
   982
  // update byte code table
489c9b5090e2 Initial load
duke
parents:
diff changeset
   983
  InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
  if (desc != NULL && desc->bytecode() >= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
    ticks[desc->bytecode()]++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
void ThreadProfiler::record_compiled_tick(JavaThread* thread, frame fr, TickPosition where) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
  const char *name = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
  TickPosition localwhere = where;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   992
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
  FlatProfiler::all_comp_ticks++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
  if (!FlatProfiler::full_profile()) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
  CodeBlob* cb = fr.cb();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
// For runtime stubs, record as native rather than as compiled
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
   if (cb->is_runtime_stub()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
        RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
        cb = fr.cb();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
        localwhere = tp_native;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1005
  Method* method = (cb->is_nmethod()) ? ((nmethod *)cb)->method() :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1006
                                          (Method*)NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
  if (method == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
    if (cb->is_runtime_stub())
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
      runtime_stub_update(cb, name, localwhere);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
    else
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
      unknown_compiled_update(cb, localwhere);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
  else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
    if (method->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
      stub_update(method, name, localwhere);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
      compiled_update(method, localwhere);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
extern "C" void find(int x);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1024
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) {
2131
98f9cef66a34 6810672: Comment typos
twisti
parents: 670
diff changeset
  1027
  // The tick happened in real code -> non VM code
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
  if (fr.is_interpreted_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
    interval_data_ref()->inc_interpreted();
354
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
  1030
    record_interpreted_tick(thread, fr, tp_code, FlatProfiler::bytecode_ticks);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
  if (CodeCache::contains(fr.pc())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
    interval_data_ref()->inc_compiled();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
    PCRecorder::record(fr.pc());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
    record_compiled_tick(thread, fr, tp_code);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
  if (VtableStubs::stub_containing(fr.pc()) != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
    unknown_ticks_array[ut_vtable_stubs] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
  frame caller = fr.profile_find_Java_sender_frame(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
  if (caller.sp() != NULL && caller.pc() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
    record_tick_for_calling_frame(thread, caller);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
  unknown_ticks_array[ut_running_frame] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
  FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) {
2131
98f9cef66a34 6810672: Comment typos
twisti
parents: 670
diff changeset
  1058
  // The tick happened in VM code
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
  interval_data_ref()->inc_native();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
  if (fr.is_interpreted_frame()) {
354
3b42d6fdcb82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents: 1
diff changeset
  1061
    record_interpreted_tick(thread, fr, tp_native, FlatProfiler::bytecode_ticks_stub);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
  if (CodeCache::contains(fr.pc())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
    record_compiled_tick(thread, fr, tp_native);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
  frame caller = fr.profile_find_Java_sender_frame(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
  if (caller.sp() != NULL && caller.pc() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
    record_tick_for_calling_frame(thread, caller);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
  unknown_ticks_array[ut_calling_frame] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
  FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
void ThreadProfiler::record_tick(JavaThread* thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
  FlatProfiler::all_ticks++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
  thread_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
  // Here's another way to track global state changes.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
  // When the class loader starts it marks the ThreadProfiler to tell it it is in the class loader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1086
  // and we check that here.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
  // This is more direct, and more than one thread can be in the class loader at a time,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1088
  // but it does mean the class loader has to know about the profiler.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1089
  if (region_flag[ThreadProfilerMark::classLoaderRegion]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
    class_loader_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
    FlatProfiler::class_loader_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
  } else if (region_flag[ThreadProfilerMark::extraRegion]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
    extra_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
    FlatProfiler::extra_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
  // Note that the WatcherThread can now stop for safepoints
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
  uint32_t debug_bits = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
  if (!thread->wait_for_ext_suspend_completion(SuspendRetryCount,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
      SuspendRetryDelay, &debug_bits)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
    unknown_ticks_array[ut_unknown_thread_state] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
    FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
  frame fr;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
  switch (thread->thread_state()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
  case _thread_in_native:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
  case _thread_in_native_trans:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
  case _thread_in_vm:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
  case _thread_in_vm_trans:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
    if (thread->profile_last_Java_frame(&fr)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
      if (fr.is_runtime_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
        RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
      record_tick_for_calling_frame(thread, fr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
      unknown_ticks_array[ut_no_last_Java_frame] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
      FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
    break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
  // handle_special_runtime_exit_condition self-suspends threads in Java
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
  case _thread_in_Java:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
  case _thread_in_Java_trans:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
    if (thread->profile_last_Java_frame(&fr)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
      if (fr.is_safepoint_blob_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
        RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
      record_tick_for_running_frame(thread, fr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
      unknown_ticks_array[ut_no_last_Java_frame] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
      FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
    break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
  case _thread_blocked:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
  case _thread_blocked_trans:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1141
    if (thread->osthread() && thread->osthread()->get_state() == RUNNABLE) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
        if (thread->profile_last_Java_frame(&fr)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
          if (fr.is_safepoint_blob_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
            RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
            fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
            record_tick_for_running_frame(thread, fr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
          } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1148
            record_tick_for_calling_frame(thread, fr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
          unknown_ticks_array[ut_no_last_Java_frame] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
          FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
          blocked_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
          FlatProfiler::blocked_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
    break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
  case _thread_uninitialized:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
  case _thread_new:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
  // not used, included for completeness
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
  case _thread_new_trans:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
     unknown_ticks_array[ut_no_last_Java_frame] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1164
     FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
     break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
  default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
    unknown_ticks_array[ut_unknown_thread_state] += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
    FlatProfiler::unknown_ticks += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
    break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
  return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
void ThreadProfiler::engage() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
  engaged = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
  timer.start();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1179
void ThreadProfiler::disengage() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
  engaged = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
  timer.stop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
void ThreadProfiler::initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
  for (int index = 0; index < table_size; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
    table[index] = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
  thread_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
  blocked_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
  compiler_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1191
  interpreter_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
  for (int ut = 0; ut < ut_end; ut += 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
    unknown_ticks_array[ut] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
  region_flag[ThreadProfilerMark::classLoaderRegion] = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
  class_loader_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
  region_flag[ThreadProfilerMark::extraRegion] = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
  extra_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
  timer.start();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
  interval_data_ref()->reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
void ThreadProfiler::reset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
  timer.stop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
  if (table != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1206
    for (int index = 0; index < table_size; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
      ProfilerNode* n = table[index];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
      if (n != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
        delete n;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1212
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1213
  initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1215
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
void FlatProfiler::allocate_table() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
  { // Bytecode table
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 8921
diff changeset
  1218
    bytecode_ticks      = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal);
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 8921
diff changeset
  1219
    bytecode_ticks_stub = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
    for(int index = 0; index < Bytecodes::number_of_codes; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
      bytecode_ticks[index]      = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
      bytecode_ticks_stub[index] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1225
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1226
  if (ProfilerRecordPC) PCRecorder::init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 8921
diff changeset
  1228
  interval_data         = NEW_C_HEAP_ARRAY(IntervalData, interval_print_size, mtInternal);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1229
  FlatProfiler::interval_reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1232
void FlatProfiler::engage(JavaThread* mainThread, bool fullProfile) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1233
  full_profile_flag = fullProfile;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1234
  if (bytecode_ticks == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
    allocate_table();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1236
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1237
  if(ProfileVM && (vm_thread_profiler == NULL)){
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1238
    vm_thread_profiler = new ThreadProfiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1239
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1240
  if (task == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
    task = new FlatProfilerTask(WatcherThread::delay_interval);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
    task->enroll();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
  timer.start();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
  if (mainThread != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
    // When mainThread was created, it might not have a ThreadProfiler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
    ThreadProfiler* pp = mainThread->get_thread_profiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
    if (pp == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
      mainThread->set_thread_profiler(new ThreadProfiler());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
      pp->reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
    mainThread->get_thread_profiler()->engage();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
  // This is where we would assign thread_profiler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
  // if we wanted only one thread_profiler for all threads.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
  thread_profiler = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
void FlatProfiler::disengage() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
  if (!task) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
  timer.stop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
  task->disenroll();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
  delete task;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
  task = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
  if (thread_profiler != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
    thread_profiler->disengage();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
    MutexLocker tl(Threads_lock);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1272
    for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
      ThreadProfiler* pp = tp->get_thread_profiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
      if (pp != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
        pp->disengage();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1276
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1279
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
void FlatProfiler::reset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
  if (task) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
    disengage();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1285
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
  class_loader_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
  extra_ticks        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
  received_gc_ticks  = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
  vm_operation_ticks = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
  compiler_ticks     = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
  deopt_ticks        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
  interpreter_ticks  = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
  blocked_ticks      = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
  unknown_ticks      = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
  received_ticks     = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
  delivered_ticks    = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
  timer.stop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
bool FlatProfiler::is_active() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
  return task != NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
void FlatProfiler::print_byte_code_statistics() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
  GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
  tty->print_cr(" Bytecode ticks:");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
  for (int index = 0; index < Bytecodes::number_of_codes; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
    if (FlatProfiler::bytecode_ticks[index] > 0 || FlatProfiler::bytecode_ticks_stub[index] > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
      tty->print_cr("  %4d %4d = %s",
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
        FlatProfiler::bytecode_ticks[index],
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
        FlatProfiler::bytecode_ticks_stub[index],
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
        Bytecodes::name( (Bytecodes::Code) index));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1319
void print_ticks(const char* title, int ticks, int total) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
  if (ticks > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
    tty->print("%5.1f%% %5d", ticks * 100.0 / total, ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
    tty->fill_to(col3);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
    tty->print("%s", title);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1325
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1326
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1327
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
void ThreadProfiler::print(const char* thread_name) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
  MutexLocker ppl(ProfilePrint_lock);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
  int index = 0; // Declared outside for loops for portability
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
  if (table == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
  if (thread_ticks <= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1339
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
  const char* title = "too soon to tell";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
  double secs = timer.seconds();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
  GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
  for(index = 0; index < table_size; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
    for(ProfilerNode* node = table[index]; node; node = node->next())
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
      array->append(node);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
  array->sort(&ProfilerNode::compare);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
  // compute total (sanity check)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
  int active =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
    class_loader_ticks +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
    compiler_ticks +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
    interpreter_ticks +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
    unknown_ticks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
  for (index = 0; index < array->length(); index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
    active += array->at(index)->ticks.total();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
  int total = active + blocked_ticks;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1364
  tty->print_cr("Flat profile of %3.2f secs (%d total ticks): %s", secs, total, thread_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
  if (total != thread_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
    print_ticks("Lost ticks", thread_ticks-total, thread_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
  // print interpreted methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
  tick_counter interpreted_ticks;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
  bool has_interpreted_ticks = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
  int print_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
  for (index = 0; index < array->length(); index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
    ProfilerNode* n = array->at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
    if (n->is_interpreted()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
      interpreted_ticks.add(&n->ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
      if (!has_interpreted_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
        interpretedNode::print_title(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
        has_interpreted_ticks = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1381
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
      if (print_count++ < ProfilerNumberOfInterpretedMethods) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
        n->print(tty, active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
  if (has_interpreted_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
    if (print_count <= ProfilerNumberOfInterpretedMethods) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1389
      title = "Total interpreted";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
      title = "Total interpreted (including elided)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
    interpretedNode::print_total(tty, &interpreted_ticks, active, title);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1395
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1397
  // print compiled methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1398
  tick_counter compiled_ticks;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
  bool has_compiled_ticks = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
  print_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
  for (index = 0; index < array->length(); index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
    ProfilerNode* n = array->at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
    if (n->is_compiled()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
      compiled_ticks.add(&n->ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
      if (!has_compiled_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
        compiledNode::print_title(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
        has_compiled_ticks = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
      if (print_count++ < ProfilerNumberOfCompiledMethods) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
        n->print(tty, active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1411
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1412
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1413
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1414
  if (has_compiled_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1415
    if (print_count <= ProfilerNumberOfCompiledMethods) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1416
      title = "Total compiled";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1417
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1418
      title = "Total compiled (including elided)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
    compiledNode::print_total(tty, &compiled_ticks, active, title);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
  // print stub methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
  tick_counter stub_ticks;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
  bool has_stub_ticks = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
  print_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
  for (index = 0; index < array->length(); index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
    ProfilerNode* n = array->at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
    if (n->is_stub()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
      stub_ticks.add(&n->ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
      if (!has_stub_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
        stubNode::print_title(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
        has_stub_ticks = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
      if (print_count++ < ProfilerNumberOfStubMethods) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
        n->print(tty, active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1439
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1440
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
  if (has_stub_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
    if (print_count <= ProfilerNumberOfStubMethods) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
      title = "Total stub";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
      title = "Total stub (including elided)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
    stubNode::print_total(tty, &stub_ticks, active, title);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
  // print runtime stubs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1452
  tick_counter runtime_stub_ticks;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1453
  bool has_runtime_stub_ticks = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1454
  print_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
  for (index = 0; index < array->length(); index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
    ProfilerNode* n = array->at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
    if (n->is_runtime_stub()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
      runtime_stub_ticks.add(&n->ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
      if (!has_runtime_stub_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
        runtimeStubNode::print_title(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
        has_runtime_stub_ticks = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
      if (print_count++ < ProfilerNumberOfRuntimeStubNodes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1464
        n->print(tty, active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1467
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
  if (has_runtime_stub_ticks) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
    if (print_count <= ProfilerNumberOfRuntimeStubNodes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
      title = "Total runtime stubs";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
      title = "Total runtime stubs (including elided)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
    runtimeStubNode::print_total(tty, &runtime_stub_ticks, active, title);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
  if (blocked_ticks + class_loader_ticks + interpreter_ticks + compiler_ticks + unknown_ticks() != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
    tty->fill_to(col1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
    tty->print_cr("Thread-local ticks:");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
    print_ticks("Blocked (of total)",  blocked_ticks,      total);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
    print_ticks("Class loader",        class_loader_ticks, active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
    print_ticks("Extra",               extra_ticks,        active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
    print_ticks("Interpreter",         interpreter_ticks,  active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
    print_ticks("Compilation",         compiler_ticks,     active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
    print_ticks("Unknown: vtable stubs",  unknown_ticks_array[ut_vtable_stubs],         active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
    print_ticks("Unknown: null method",   unknown_ticks_array[ut_null_method],          active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
    print_ticks("Unknown: running frame", unknown_ticks_array[ut_running_frame],        active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
    print_ticks("Unknown: calling frame", unknown_ticks_array[ut_calling_frame],        active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
    print_ticks("Unknown: no pc",         unknown_ticks_array[ut_no_pc],                active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
    print_ticks("Unknown: no last frame", unknown_ticks_array[ut_no_last_Java_frame],   active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
    print_ticks("Unknown: thread_state",  unknown_ticks_array[ut_unknown_thread_state], active);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
  if (WizardMode) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
    tty->print_cr("Node area used: %dKb", (area_top - area_bottom) / 1024);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
  reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
/*
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
ThreadProfiler::print_unknown(){
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
  if (table == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
  if (thread_ticks <= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
} */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
void FlatProfiler::print(int unused) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
  if (thread_profiler != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
    thread_profiler->print("All threads");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
    MutexLocker tl(Threads_lock);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
    for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
      ThreadProfiler* pp = tp->get_thread_profiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
      if (pp != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
        pp->print(tp->get_thread_name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1527
  if (ProfilerPrintByteCodeStatistics) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
    print_byte_code_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1530
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1531
  if (non_method_ticks() > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1532
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1533
    tty->print_cr("Global summary of %3.2f seconds:", timer.seconds());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1534
    print_ticks("Received ticks",      received_ticks,     received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
    print_ticks("Received GC ticks",   received_gc_ticks,  received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
    print_ticks("Compilation",         compiler_ticks,     received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
    print_ticks("Deoptimization",      deopt_ticks,        received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1538
    print_ticks("Other VM operations", vm_operation_ticks, received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1539
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
    print_ticks("Blocked ticks",       blocked_ticks,      received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
    print_ticks("Threads_lock blocks", threads_lock_ticks, received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
    print_ticks("Delivered ticks",     delivered_ticks,    received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1543
    print_ticks("All ticks",           all_ticks,          received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
    print_ticks("Class loader",        class_loader_ticks, received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
    print_ticks("Extra       ",        extra_ticks,        received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
    print_ticks("Interpreter",         interpreter_ticks,  received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
    print_ticks("Unknown code",        unknown_ticks,      received_ticks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
  PCRecorder::print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1552
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
  if(ProfileVM){
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1555
    vm_thread_profiler->print("VM Thread");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
void IntervalData::print_header(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1560
  st->print("i/c/n/g");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1562
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1563
void IntervalData::print_data(outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
  st->print("%d/%d/%d/%d", interpreted(), compiled(), native(), compiling());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
void FlatProfiler::interval_record_thread(ThreadProfiler* tp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
  IntervalData id = tp->interval_data();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
  int total = id.total();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
  tp->interval_data_ref()->reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
  // Insertion sort the data, if it's relevant.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
  for (int i = 0; i < interval_print_size; i += 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
    if (total > interval_data[i].total()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
      for (int j = interval_print_size - 1; j > i; j -= 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
        interval_data[j] = interval_data[j-1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
      interval_data[i] = id;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
void FlatProfiler::interval_print() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
  if ((interval_data[0].total() > 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
    tty->stamp();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
    tty->print("\t");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
    IntervalData::print_header(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
    for (int i = 0; i < interval_print_size; i += 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
      if (interval_data[i].total() > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
        tty->print("\t");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
        interval_data[i].print_data(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
void FlatProfiler::interval_reset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
  for (int i = 0; i < interval_print_size; i += 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
    interval_data[i].reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1605
void ThreadProfiler::oops_do(OopClosure* f) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1606
  if (table == NULL) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1607
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1608
  for(int index = 0; index < table_size; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
    for(ProfilerNode* node = table[index]; node; node = node->next())
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1610
      node->oops_do(f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
void FlatProfiler::oops_do(OopClosure* f) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1615
  if (thread_profiler != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
    thread_profiler->oops_do(f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1618
    for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1619
      ThreadProfiler* pp = tp->get_thread_profiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
      if (pp != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1621
        pp->oops_do(f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1623
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1625
}