--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/fprofiler.cpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,1595 @@
+/*
+ * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+# include "incls/_fprofiler.cpp.incl"
+
+// Static fields of FlatProfiler
+int FlatProfiler::received_gc_ticks = 0;
+int FlatProfiler::vm_operation_ticks = 0;
+int FlatProfiler::threads_lock_ticks = 0;
+int FlatProfiler::class_loader_ticks = 0;
+int FlatProfiler::extra_ticks = 0;
+int FlatProfiler::blocked_ticks = 0;
+int FlatProfiler::deopt_ticks = 0;
+int FlatProfiler::unknown_ticks = 0;
+int FlatProfiler::interpreter_ticks = 0;
+int FlatProfiler::compiler_ticks = 0;
+int FlatProfiler::received_ticks = 0;
+int FlatProfiler::delivered_ticks = 0;
+int* FlatProfiler::bytecode_ticks = NULL;
+int* FlatProfiler::bytecode_ticks_stub = NULL;
+int FlatProfiler::all_int_ticks = 0;
+int FlatProfiler::all_comp_ticks = 0;
+int FlatProfiler::all_ticks = 0;
+bool FlatProfiler::full_profile_flag = false;
+ThreadProfiler* FlatProfiler::thread_profiler = NULL;
+ThreadProfiler* FlatProfiler::vm_thread_profiler = NULL;
+FlatProfilerTask* FlatProfiler::task = NULL;
+elapsedTimer FlatProfiler::timer;
+int FlatProfiler::interval_ticks_previous = 0;
+IntervalData* FlatProfiler::interval_data = NULL;
+
+ThreadProfiler::ThreadProfiler() {
+ // Space for the ProfilerNodes
+ const int area_size = 1 * ProfilerNodeSize * 1024;
+ area_bottom = AllocateHeap(area_size, "fprofiler");
+ area_top = area_bottom;
+ area_limit = area_bottom + area_size;
+
+ // ProfilerNode pointer table
+ table = NEW_C_HEAP_ARRAY(ProfilerNode*, table_size);
+ initialize();
+ engaged = false;
+}
+
+ThreadProfiler::~ThreadProfiler() {
+ FreeHeap(area_bottom);
+ area_bottom = NULL;
+ area_top = NULL;
+ area_limit = NULL;
+ FreeHeap(table);
+ table = NULL;
+}
+
+// Statics for ThreadProfiler
+int ThreadProfiler::table_size = 1024;
+
+int ThreadProfiler::entry(int value) {
+ value = (value > 0) ? value : -value;
+ return value % table_size;
+}
+
+ThreadProfilerMark::ThreadProfilerMark(ThreadProfilerMark::Region r) {
+ _r = r;
+ _pp = NULL;
+ assert(((r > ThreadProfilerMark::noRegion) && (r < ThreadProfilerMark::maxRegion)), "ThreadProfilerMark::Region out of bounds");
+ Thread* tp = Thread::current();
+ if (tp != NULL && tp->is_Java_thread()) {
+ JavaThread* jtp = (JavaThread*) tp;
+ ThreadProfiler* pp = jtp->get_thread_profiler();
+ _pp = pp;
+ if (pp != NULL) {
+ pp->region_flag[r] = true;
+ }
+ }
+}
+
+ThreadProfilerMark::~ThreadProfilerMark() {
+ if (_pp != NULL) {
+ _pp->region_flag[_r] = false;
+ }
+ _pp = NULL;
+}
+
+// Random other statics
+static const int col1 = 2; // position of output column 1
+static const int col2 = 11; // position of output column 2
+static const int col3 = 25; // position of output column 3
+static const int col4 = 55; // position of output column 4
+
+
+// Used for detailed profiling of nmethods.
+class PCRecorder : AllStatic {
+ private:
+ static int* counters;
+ static address base;
+ enum {
+ bucket_size = 16
+ };
+ static int index_for(address pc) { return (pc - base)/bucket_size; }
+ static address pc_for(int index) { return base + (index * bucket_size); }
+ static int size() {
+ return ((int)CodeCache::max_capacity())/bucket_size * BytesPerWord;
+ }
+ public:
+ static address bucket_start_for(address pc) {
+ if (counters == NULL) return NULL;
+ return pc_for(index_for(pc));
+ }
+ static int bucket_count_for(address pc) { return counters[index_for(pc)]; }
+ static void init();
+ static void record(address pc);
+ static void print();
+ static void print_blobs(CodeBlob* cb);
+};
+
+int* PCRecorder::counters = NULL;
+address PCRecorder::base = NULL;
+
+void PCRecorder::init() {
+ MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+ int s = size();
+ counters = NEW_C_HEAP_ARRAY(int, s);
+ for (int index = 0; index < s; index++) {
+ counters[index] = 0;
+ }
+ base = CodeCache::first_address();
+}
+
+void PCRecorder::record(address pc) {
+ if (counters == NULL) return;
+ assert(CodeCache::contains(pc), "must be in CodeCache");
+ counters[index_for(pc)]++;
+}
+
+
+address FlatProfiler::bucket_start_for(address pc) {
+ return PCRecorder::bucket_start_for(pc);
+}
+
+int FlatProfiler::bucket_count_for(address pc) {
+ return PCRecorder::bucket_count_for(pc);
+}
+
+void PCRecorder::print() {
+ if (counters == NULL) return;
+
+ tty->cr();
+ tty->print_cr("Printing compiled methods with PC buckets having more than %d ticks", ProfilerPCTickThreshold);
+ tty->print_cr("===================================================================");
+ tty->cr();
+
+ GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20);
+
+
+ int s;
+ {
+ MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+ s = size();
+ }
+
+ for (int index = 0; index < s; index++) {
+ int count = counters[index];
+ if (count > ProfilerPCTickThreshold) {
+ address pc = pc_for(index);
+ CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
+ if (cb != NULL && candidates->find(cb) < 0) {
+ candidates->push(cb);
+ }
+ }
+ }
+ for (int i = 0; i < candidates->length(); i++) {
+ print_blobs(candidates->at(i));
+ }
+}
+
+void PCRecorder::print_blobs(CodeBlob* cb) {
+ if (cb != NULL) {
+ cb->print();
+ if (cb->is_nmethod()) {
+ ((nmethod*)cb)->print_code();
+ }
+ tty->cr();
+ } else {
+ tty->print_cr("stub code");
+ }
+}
+
+class tick_counter { // holds tick info for one node
+ public:
+ int ticks_in_code;
+ int ticks_in_native;
+
+ tick_counter() { ticks_in_code = ticks_in_native = 0; }
+ tick_counter(int code, int native) { ticks_in_code = code; ticks_in_native = native; }
+
+ int total() const {
+ return (ticks_in_code + ticks_in_native);
+ }
+
+ void add(tick_counter* a) {
+ ticks_in_code += a->ticks_in_code;
+ ticks_in_native += a->ticks_in_native;
+ }
+
+ void update(TickPosition where) {
+ switch(where) {
+ case tp_code: ticks_in_code++; break;
+ case tp_native: ticks_in_native++; break;
+ }
+ }
+
+ void print_code(outputStream* st, int total_ticks) {
+ st->print("%5.1f%% %5d ", total() * 100.0 / total_ticks, ticks_in_code);
+ }
+
+ void print_native(outputStream* st) {
+ st->print(" + %5d ", ticks_in_native);
+ }
+};
+
+class ProfilerNode {
+ private:
+ ProfilerNode* _next;
+ public:
+ tick_counter ticks;
+
+ public:
+
+ void* operator new(size_t size, ThreadProfiler* tp);
+ void operator delete(void* p);
+
+ ProfilerNode() {
+ _next = NULL;
+ }
+
+ virtual ~ProfilerNode() {
+ if (_next)
+ delete _next;
+ }
+
+ void set_next(ProfilerNode* n) { _next = n; }
+ ProfilerNode* next() { return _next; }
+
+ void update(TickPosition where) { ticks.update(where);}
+ int total_ticks() { return ticks.total(); }
+
+ virtual bool is_interpreted() const { return false; }
+ virtual bool is_compiled() const { return false; }
+ virtual bool is_stub() const { return false; }
+ virtual bool is_runtime_stub() const{ return false; }
+ virtual void oops_do(OopClosure* f) = 0;
+
+ virtual bool interpreted_match(methodOop m) const { return false; }
+ virtual bool compiled_match(methodOop m ) const { return false; }
+ virtual bool stub_match(methodOop m, const char* name) const { return false; }
+ virtual bool adapter_match() const { return false; }
+ virtual bool runtimeStub_match(const CodeBlob* stub, const char* name) const { return false; }
+ virtual bool unknown_compiled_match(const CodeBlob* cb) const { return false; }
+
+ static void print_title(outputStream* st) {
+ st->print(" + native");
+ st->fill_to(col3);
+ st->print("Method");
+ st->fill_to(col4);
+ st->cr();
+ }
+
+ static void print_total(outputStream* st, tick_counter* t, int total, const char* msg) {
+ t->print_code(st, total);
+ st->fill_to(col2);
+ t->print_native(st);
+ st->fill_to(col3);
+ st->print(msg);
+ st->cr();
+ }
+
+ virtual methodOop method() = 0;
+
+ virtual void print_method_on(outputStream* st) {
+ int limit;
+ int i;
+ methodOop m = method();
+ symbolOop k = m->klass_name();
+ // Print the class name with dots instead of slashes
+ limit = k->utf8_length();
+ for (i = 0 ; i < limit ; i += 1) {
+ char c = (char) k->byte_at(i);
+ if (c == '/') {
+ c = '.';
+ }
+ st->print("%c", c);
+ }
+ if (limit > 0) {
+ st->print(".");
+ }
+ symbolOop n = m->name();
+ limit = n->utf8_length();
+ for (i = 0 ; i < limit ; i += 1) {
+ char c = (char) n->byte_at(i);
+ st->print("%c", c);
+ }
+ if( Verbose ) {
+ // Disambiguate overloaded methods
+ symbolOop sig = m->signature();
+ sig->print_symbol_on(st);
+ }
+ }
+
+ virtual void print(outputStream* st, int total_ticks) {
+ ticks.print_code(st, total_ticks);
+ st->fill_to(col2);
+ ticks.print_native(st);
+ st->fill_to(col3);
+ print_method_on(st);
+ st->cr();
+ }
+
+ // for hashing into the table
+ static int hash(methodOop method) {
+ // The point here is to try to make something fairly unique
+ // out of the fields we can read without grabbing any locks
+ // since the method may be locked when we need the hash.
+ return (
+ method->code_size() ^
+ method->max_stack() ^
+ method->max_locals() ^
+ method->size_of_parameters());
+ }
+
+ // for sorting
+ static int compare(ProfilerNode** a, ProfilerNode** b) {
+ return (*b)->total_ticks() - (*a)->total_ticks();
+ }
+};
+
+void* ProfilerNode::operator new(size_t size, ThreadProfiler* tp){
+ void* result = (void*) tp->area_top;
+ tp->area_top += size;
+
+ if (tp->area_top > tp->area_limit) {
+ fatal("flat profiler buffer overflow");
+ }
+ return result;
+}
+
+void ProfilerNode::operator delete(void* p){
+}
+
+class interpretedNode : public ProfilerNode {
+ private:
+ methodOop _method;
+ public:
+ interpretedNode(methodOop method, TickPosition where) : ProfilerNode() {
+ _method = method;
+ update(where);
+ }
+
+ bool is_interpreted() const { return true; }
+
+ bool interpreted_match(methodOop m) const {
+ return _method == m;
+ }
+
+ void oops_do(OopClosure* f) {
+ f->do_oop((oop*)&_method);
+ }
+
+ methodOop method() { return _method; }
+
+ static void print_title(outputStream* st) {
+ st->fill_to(col1);
+ st->print("%11s", "Interpreted");
+ ProfilerNode::print_title(st);
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ ProfilerNode::print_method_on(st);
+ if (Verbose) method()->invocation_counter()->print_short();
+ }
+};
+
+class compiledNode : public ProfilerNode {
+ private:
+ methodOop _method;
+ public:
+ compiledNode(methodOop method, TickPosition where) : ProfilerNode() {
+ _method = method;
+ update(where);
+ }
+ bool is_compiled() const { return true; }
+
+ bool compiled_match(methodOop m) const {
+ return _method == m;
+ }
+
+ methodOop method() { return _method; }
+
+ void oops_do(OopClosure* f) {
+ f->do_oop((oop*)&_method);
+ }
+
+ static void print_title(outputStream* st) {
+ st->fill_to(col1);
+ st->print("%11s", "Compiled");
+ ProfilerNode::print_title(st);
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ ProfilerNode::print_method_on(st);
+ }
+};
+
+class stubNode : public ProfilerNode {
+ private:
+ methodOop _method;
+ const char* _symbol; // The name of the nearest VM symbol (for +ProfileVM). Points to a unique string
+ public:
+ stubNode(methodOop method, const char* name, TickPosition where) : ProfilerNode() {
+ _method = method;
+ _symbol = name;
+ update(where);
+ }
+
+ bool is_stub() const { return true; }
+
+ bool stub_match(methodOop m, const char* name) const {
+ return (_method == m) && (_symbol == name);
+ }
+
+ void oops_do(OopClosure* f) {
+ f->do_oop((oop*)&_method);
+ }
+
+ methodOop method() { return _method; }
+
+ static void print_title(outputStream* st) {
+ st->fill_to(col1);
+ st->print("%11s", "Stub");
+ ProfilerNode::print_title(st);
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ ProfilerNode::print_method_on(st);
+ print_symbol_on(st);
+ }
+
+ void print_symbol_on(outputStream* st) {
+ if(_symbol) {
+ st->print(" (%s)", _symbol);
+ }
+ }
+};
+
+class adapterNode : public ProfilerNode {
+ public:
+ adapterNode(TickPosition where) : ProfilerNode() {
+ update(where);
+ }
+ bool is_compiled() const { return true; }
+
+ bool adapter_match() const { return true; }
+
+ methodOop method() { return NULL; }
+
+ void oops_do(OopClosure* f) {
+ ;
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ st->print("%s", "adapters");
+ }
+};
+
+class runtimeStubNode : public ProfilerNode {
+ private:
+ const CodeBlob* _stub;
+ const char* _symbol; // The name of the nearest VM symbol when ProfileVM is on. Points to a unique string.
+ public:
+ runtimeStubNode(const CodeBlob* stub, const char* name, TickPosition where) : ProfilerNode(), _stub(stub), _symbol(name) {
+ assert(stub->is_runtime_stub(), "wrong code blob");
+ update(where);
+ }
+
+ bool is_runtime_stub() const { return true; }
+
+ bool runtimeStub_match(const CodeBlob* stub, const char* name) const {
+ assert(stub->is_runtime_stub(), "wrong code blob");
+ return ((RuntimeStub*)_stub)->entry_point() == ((RuntimeStub*)stub)->entry_point() &&
+ (_symbol == name);
+ }
+
+ methodOop method() { return NULL; }
+
+ static void print_title(outputStream* st) {
+ st->fill_to(col1);
+ st->print("%11s", "Runtime stub");
+ ProfilerNode::print_title(st);
+ }
+
+ void oops_do(OopClosure* f) {
+ ;
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ st->print("%s", ((RuntimeStub*)_stub)->name());
+ print_symbol_on(st);
+ }
+
+ void print_symbol_on(outputStream* st) {
+ if(_symbol) {
+ st->print(" (%s)", _symbol);
+ }
+ }
+};
+
+
+class unknown_compiledNode : public ProfilerNode {
+ const char *_name;
+ public:
+ unknown_compiledNode(const CodeBlob* cb, TickPosition where) : ProfilerNode() {
+ if ( cb->is_buffer_blob() )
+ _name = ((BufferBlob*)cb)->name();
+ else
+ _name = ((SingletonBlob*)cb)->name();
+ update(where);
+ }
+ bool is_compiled() const { return true; }
+
+ bool unknown_compiled_match(const CodeBlob* cb) const {
+ if ( cb->is_buffer_blob() )
+ return !strcmp(((BufferBlob*)cb)->name(), _name);
+ else
+ return !strcmp(((SingletonBlob*)cb)->name(), _name);
+ }
+
+ methodOop method() { return NULL; }
+
+ void oops_do(OopClosure* f) {
+ ;
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ st->print("%s", _name);
+ }
+};
+
+class vmNode : public ProfilerNode {
+ private:
+ const char* _name; // "optional" name obtained by os means such as dll lookup
+ public:
+ vmNode(const TickPosition where) : ProfilerNode() {
+ _name = NULL;
+ update(where);
+ }
+
+ vmNode(const char* name, const TickPosition where) : ProfilerNode() {
+ _name = name;
+ update(where);
+ }
+
+ const char *name() const { return _name; }
+ bool is_compiled() const { return true; }
+
+ bool vm_match(const char* name) const { return strcmp(name, _name) == 0; }
+
+ methodOop method() { return NULL; }
+
+ static int hash(const char* name){
+ // Compute a simple hash
+ const char* cp = name;
+ int h = 0;
+
+ if(name != NULL){
+ while(*cp != '\0'){
+ h = (h << 1) ^ *cp;
+ cp++;
+ }
+ }
+ return h;
+ }
+
+ void oops_do(OopClosure* f) {
+ ;
+ }
+
+ void print(outputStream* st, int total_ticks) {
+ ProfilerNode::print(st, total_ticks);
+ }
+
+ void print_method_on(outputStream* st) {
+ if(_name==NULL){
+ st->print("%s", "unknown code");
+ }
+ else {
+ st->print("%s", _name);
+ }
+ }
+};
+
+void ThreadProfiler::interpreted_update(methodOop method, TickPosition where) {
+ int index = entry(ProfilerNode::hash(method));
+ if (!table[index]) {
+ table[index] = new (this) interpretedNode(method, where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (node->interpreted_match(method)) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) interpretedNode(method, where));
+ }
+}
+
+void ThreadProfiler::compiled_update(methodOop method, TickPosition where) {
+ int index = entry(ProfilerNode::hash(method));
+ if (!table[index]) {
+ table[index] = new (this) compiledNode(method, where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (node->compiled_match(method)) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) compiledNode(method, where));
+ }
+}
+
+void ThreadProfiler::stub_update(methodOop method, const char* name, TickPosition where) {
+ int index = entry(ProfilerNode::hash(method));
+ if (!table[index]) {
+ table[index] = new (this) stubNode(method, name, where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (node->stub_match(method, name)) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) stubNode(method, name, where));
+ }
+}
+
+void ThreadProfiler::adapter_update(TickPosition where) {
+ int index = 0;
+ if (!table[index]) {
+ table[index] = new (this) adapterNode(where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (node->adapter_match()) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) adapterNode(where));
+ }
+}
+
+void ThreadProfiler::runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where) {
+ int index = 0;
+ if (!table[index]) {
+ table[index] = new (this) runtimeStubNode(stub, name, where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (node->runtimeStub_match(stub, name)) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) runtimeStubNode(stub, name, where));
+ }
+}
+
+
+void ThreadProfiler::unknown_compiled_update(const CodeBlob* cb, TickPosition where) {
+ int index = 0;
+ if (!table[index]) {
+ table[index] = new (this) unknown_compiledNode(cb, where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (node->unknown_compiled_match(cb)) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) unknown_compiledNode(cb, where));
+ }
+}
+
+void ThreadProfiler::vm_update(TickPosition where) {
+ vm_update(NULL, where);
+}
+
+void ThreadProfiler::vm_update(const char* name, TickPosition where) {
+ int index = entry(vmNode::hash(name));
+ assert(index >= 0, "Must be positive");
+ // Note that we call strdup below since the symbol may be resource allocated
+ if (!table[index]) {
+ table[index] = new (this) vmNode(os::strdup(name), where);
+ } else {
+ ProfilerNode* prev = table[index];
+ for(ProfilerNode* node = prev; node; node = node->next()) {
+ if (((vmNode *)node)->vm_match(name)) {
+ node->update(where);
+ return;
+ }
+ prev = node;
+ }
+ prev->set_next(new (this) vmNode(os::strdup(name), where));
+ }
+}
+
+
+class FlatProfilerTask : public PeriodicTask {
+public:
+ FlatProfilerTask(int interval_time) : PeriodicTask(interval_time) {}
+ void task();
+};
+
+void FlatProfiler::record_vm_operation() {
+ if (Universe::heap()->is_gc_active()) {
+ FlatProfiler::received_gc_ticks += 1;
+ return;
+ }
+
+ if (DeoptimizationMarker::is_active()) {
+ FlatProfiler::deopt_ticks += 1;
+ return;
+ }
+
+ FlatProfiler::vm_operation_ticks += 1;
+}
+
+void FlatProfiler::record_vm_tick() {
+ // Profile the VM Thread itself if needed
+ // This is done without getting the Threads_lock and we can go deep
+ // inside Safepoint, etc.
+ if( ProfileVM ) {
+ ResourceMark rm;
+ ExtendedPC epc;
+ const char *name = NULL;
+ char buf[256];
+ buf[0] = '\0';
+
+ vm_thread_profiler->inc_thread_ticks();
+
+ // Get a snapshot of a current VMThread pc (and leave it running!)
+ // The call may fail if, for instance the VM thread is interrupted while
+ // holding the Interrupt_lock or for other reasons.
+ epc = os::get_thread_pc(VMThread::vm_thread());
+ if(epc.pc() != NULL) {
+ if (os::dll_address_to_function_name(epc.pc(), buf, sizeof(buf), NULL)) {
+ name = buf;
+ }
+ }
+ if (name != NULL) {
+ vm_thread_profiler->vm_update(name, tp_native);
+ }
+ }
+}
+
+void FlatProfiler::record_thread_ticks() {
+
+ int maxthreads, suspendedthreadcount;
+ JavaThread** threadsList;
+ bool interval_expired = false;
+
+ if (ProfileIntervals &&
+ (FlatProfiler::received_ticks >= interval_ticks_previous + ProfileIntervalsTicks)) {
+ interval_expired = true;
+ interval_ticks_previous = FlatProfiler::received_ticks;
+ }
+
+ // Try not to wait for the Threads_lock
+ if (Threads_lock->try_lock()) {
+ { // Threads_lock scope
+ maxthreads = Threads::number_of_threads();
+ threadsList = NEW_C_HEAP_ARRAY(JavaThread *, maxthreads);
+ suspendedthreadcount = 0;
+ for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
+ if (tp->is_Compiler_thread()) {
+ // Only record ticks for active compiler threads
+ CompilerThread* cthread = (CompilerThread*)tp;
+ if (cthread->task() != NULL) {
+ // The compiler is active. If we need to access any of the fields
+ // of the compiler task we should suspend the CompilerThread first.
+ FlatProfiler::compiler_ticks += 1;
+ continue;
+ }
+ }
+
+ // First externally suspend all threads by marking each for
+ // external suspension - so it will stop at its next transition
+ // Then do a safepoint
+ ThreadProfiler* pp = tp->get_thread_profiler();
+ if (pp != NULL && pp->engaged) {
+ MutexLockerEx ml(tp->SR_lock(), Mutex::_no_safepoint_check_flag);
+ if (!tp->is_external_suspend() && !tp->is_exiting()) {
+ tp->set_external_suspend();
+ threadsList[suspendedthreadcount++] = tp;
+ }
+ }
+ }
+ Threads_lock->unlock();
+ }
+ // Suspend each thread. This call should just return
+ // for any threads that have already self-suspended
+ // Net result should be one safepoint
+ for (int j = 0; j < suspendedthreadcount; j++) {
+ JavaThread *tp = threadsList[j];
+ if (tp) {
+ tp->java_suspend();
+ }
+ }
+
+ // We are responsible for resuming any thread on this list
+ for (int i = 0; i < suspendedthreadcount; i++) {
+ JavaThread *tp = threadsList[i];
+ if (tp) {
+ ThreadProfiler* pp = tp->get_thread_profiler();
+ if (pp != NULL && pp->engaged) {
+ HandleMark hm;
+ FlatProfiler::delivered_ticks += 1;
+ if (interval_expired) {
+ FlatProfiler::interval_record_thread(pp);
+ }
+ // This is the place where we check to see if a user thread is
+ // blocked waiting for compilation.
+ if (tp->blocked_on_compilation()) {
+ pp->compiler_ticks += 1;
+ pp->interval_data_ref()->inc_compiling();
+ } else {
+ pp->record_tick(tp);
+ }
+ }
+ MutexLocker ml(Threads_lock);
+ tp->java_resume();
+ }
+ }
+ if (interval_expired) {
+ FlatProfiler::interval_print();
+ FlatProfiler::interval_reset();
+ }
+ } else {
+ // Couldn't get the threads lock, just record that rather than blocking
+ FlatProfiler::threads_lock_ticks += 1;
+ }
+
+}
+
+void FlatProfilerTask::task() {
+ FlatProfiler::received_ticks += 1;
+
+ if (ProfileVM) {
+ FlatProfiler::record_vm_tick();
+ }
+
+ VM_Operation* op = VMThread::vm_operation();
+ if (op != NULL) {
+ FlatProfiler::record_vm_operation();
+ if (SafepointSynchronize::is_at_safepoint()) {
+ return;
+ }
+ }
+ FlatProfiler::record_thread_ticks();
+}
+
+void ThreadProfiler::record_interpreted_tick(frame fr, TickPosition where, int* ticks) {
+ FlatProfiler::all_int_ticks++;
+ if (!FlatProfiler::full_profile()) {
+ return;
+ }
+
+ if (!fr.is_interpreted_frame_valid()) {
+ // tick came at a bad time
+ interpreter_ticks += 1;
+ FlatProfiler::interpreter_ticks += 1;
+ return;
+ }
+
+ methodOop method = NULL;
+ if (fr.fp() != NULL) {
+ method = *fr.interpreter_frame_method_addr();
+ }
+ if (!Universe::heap()->is_valid_method(method)) {
+ // tick came at a bad time, stack frame not initialized correctly
+ interpreter_ticks += 1;
+ FlatProfiler::interpreter_ticks += 1;
+ return;
+ }
+ interpreted_update(method, where);
+
+ // update byte code table
+ InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc());
+ if (desc != NULL && desc->bytecode() >= 0) {
+ ticks[desc->bytecode()]++;
+ }
+}
+
+void ThreadProfiler::record_compiled_tick(JavaThread* thread, frame fr, TickPosition where) {
+ const char *name = NULL;
+ TickPosition localwhere = where;
+
+ FlatProfiler::all_comp_ticks++;
+ if (!FlatProfiler::full_profile()) return;
+
+ CodeBlob* cb = fr.cb();
+
+// For runtime stubs, record as native rather than as compiled
+ if (cb->is_runtime_stub()) {
+ RegisterMap map(thread, false);
+ fr = fr.sender(&map);
+ cb = fr.cb();
+ localwhere = tp_native;
+ }
+ methodOop method = (cb->is_nmethod()) ? ((nmethod *)cb)->method() :
+ (methodOop)NULL;
+
+ if (method == NULL) {
+ if (cb->is_runtime_stub())
+ runtime_stub_update(cb, name, localwhere);
+ else
+ unknown_compiled_update(cb, localwhere);
+ }
+ else {
+ if (method->is_native()) {
+ stub_update(method, name, localwhere);
+ } else {
+ compiled_update(method, localwhere);
+ }
+ }
+}
+
+extern "C" void find(int x);
+
+
+void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) {
+ // The tick happend in real code -> non VM code
+ if (fr.is_interpreted_frame()) {
+ interval_data_ref()->inc_interpreted();
+ record_interpreted_tick(fr, tp_code, FlatProfiler::bytecode_ticks);
+ return;
+ }
+
+ if (CodeCache::contains(fr.pc())) {
+ interval_data_ref()->inc_compiled();
+ PCRecorder::record(fr.pc());
+ record_compiled_tick(thread, fr, tp_code);
+ return;
+ }
+
+ if (VtableStubs::stub_containing(fr.pc()) != NULL) {
+ unknown_ticks_array[ut_vtable_stubs] += 1;
+ return;
+ }
+
+ frame caller = fr.profile_find_Java_sender_frame(thread);
+
+ if (caller.sp() != NULL && caller.pc() != NULL) {
+ record_tick_for_calling_frame(thread, caller);
+ return;
+ }
+
+ unknown_ticks_array[ut_running_frame] += 1;
+ FlatProfiler::unknown_ticks += 1;
+}
+
+void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) {
+ // The tick happend in VM code
+ interval_data_ref()->inc_native();
+ if (fr.is_interpreted_frame()) {
+ record_interpreted_tick(fr, tp_native, FlatProfiler::bytecode_ticks_stub);
+ return;
+ }
+ if (CodeCache::contains(fr.pc())) {
+ record_compiled_tick(thread, fr, tp_native);
+ return;
+ }
+
+ frame caller = fr.profile_find_Java_sender_frame(thread);
+
+ if (caller.sp() != NULL && caller.pc() != NULL) {
+ record_tick_for_calling_frame(thread, caller);
+ return;
+ }
+
+ unknown_ticks_array[ut_calling_frame] += 1;
+ FlatProfiler::unknown_ticks += 1;
+}
+
+void ThreadProfiler::record_tick(JavaThread* thread) {
+ FlatProfiler::all_ticks++;
+ thread_ticks += 1;
+
+ // Here's another way to track global state changes.
+ // When the class loader starts it marks the ThreadProfiler to tell it it is in the class loader
+ // and we check that here.
+ // This is more direct, and more than one thread can be in the class loader at a time,
+ // but it does mean the class loader has to know about the profiler.
+ if (region_flag[ThreadProfilerMark::classLoaderRegion]) {
+ class_loader_ticks += 1;
+ FlatProfiler::class_loader_ticks += 1;
+ return;
+ } else if (region_flag[ThreadProfilerMark::extraRegion]) {
+ extra_ticks += 1;
+ FlatProfiler::extra_ticks += 1;
+ return;
+ }
+ // Note that the WatcherThread can now stop for safepoints
+ uint32_t debug_bits = 0;
+ if (!thread->wait_for_ext_suspend_completion(SuspendRetryCount,
+ SuspendRetryDelay, &debug_bits)) {
+ unknown_ticks_array[ut_unknown_thread_state] += 1;
+ FlatProfiler::unknown_ticks += 1;
+ return;
+ }
+
+ frame fr;
+
+ switch (thread->thread_state()) {
+ case _thread_in_native:
+ case _thread_in_native_trans:
+ case _thread_in_vm:
+ case _thread_in_vm_trans:
+ if (thread->profile_last_Java_frame(&fr)) {
+ if (fr.is_runtime_frame()) {
+ RegisterMap map(thread, false);
+ fr = fr.sender(&map);
+ }
+ record_tick_for_calling_frame(thread, fr);
+ } else {
+ unknown_ticks_array[ut_no_last_Java_frame] += 1;
+ FlatProfiler::unknown_ticks += 1;
+ }
+ break;
+ // handle_special_runtime_exit_condition self-suspends threads in Java
+ case _thread_in_Java:
+ case _thread_in_Java_trans:
+ if (thread->profile_last_Java_frame(&fr)) {
+ if (fr.is_safepoint_blob_frame()) {
+ RegisterMap map(thread, false);
+ fr = fr.sender(&map);
+ }
+ record_tick_for_running_frame(thread, fr);
+ } else {
+ unknown_ticks_array[ut_no_last_Java_frame] += 1;
+ FlatProfiler::unknown_ticks += 1;
+ }
+ break;
+ case _thread_blocked:
+ case _thread_blocked_trans:
+ if (thread->osthread() && thread->osthread()->get_state() == RUNNABLE) {
+ if (thread->profile_last_Java_frame(&fr)) {
+ if (fr.is_safepoint_blob_frame()) {
+ RegisterMap map(thread, false);
+ fr = fr.sender(&map);
+ record_tick_for_running_frame(thread, fr);
+ } else {
+ record_tick_for_calling_frame(thread, fr);
+ }
+ } else {
+ unknown_ticks_array[ut_no_last_Java_frame] += 1;
+ FlatProfiler::unknown_ticks += 1;
+ }
+ } else {
+ blocked_ticks += 1;
+ FlatProfiler::blocked_ticks += 1;
+ }
+ break;
+ case _thread_uninitialized:
+ case _thread_new:
+ // not used, included for completeness
+ case _thread_new_trans:
+ unknown_ticks_array[ut_no_last_Java_frame] += 1;
+ FlatProfiler::unknown_ticks += 1;
+ break;
+ default:
+ unknown_ticks_array[ut_unknown_thread_state] += 1;
+ FlatProfiler::unknown_ticks += 1;
+ break;
+ }
+ return;
+}
+
+void ThreadProfiler::engage() {
+ engaged = true;
+ timer.start();
+}
+
+void ThreadProfiler::disengage() {
+ engaged = false;
+ timer.stop();
+}
+
+void ThreadProfiler::initialize() {
+ for (int index = 0; index < table_size; index++) {
+ table[index] = NULL;
+ }
+ thread_ticks = 0;
+ blocked_ticks = 0;
+ compiler_ticks = 0;
+ interpreter_ticks = 0;
+ for (int ut = 0; ut < ut_end; ut += 1) {
+ unknown_ticks_array[ut] = 0;
+ }
+ region_flag[ThreadProfilerMark::classLoaderRegion] = false;
+ class_loader_ticks = 0;
+ region_flag[ThreadProfilerMark::extraRegion] = false;
+ extra_ticks = 0;
+ timer.start();
+ interval_data_ref()->reset();
+}
+
+void ThreadProfiler::reset() {
+ timer.stop();
+ if (table != NULL) {
+ for (int index = 0; index < table_size; index++) {
+ ProfilerNode* n = table[index];
+ if (n != NULL) {
+ delete n;
+ }
+ }
+ }
+ initialize();
+}
+
+void FlatProfiler::allocate_table() {
+ { // Bytecode table
+ bytecode_ticks = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes);
+ bytecode_ticks_stub = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes);
+ for(int index = 0; index < Bytecodes::number_of_codes; index++) {
+ bytecode_ticks[index] = 0;
+ bytecode_ticks_stub[index] = 0;
+ }
+ }
+
+ if (ProfilerRecordPC) PCRecorder::init();
+
+ interval_data = NEW_C_HEAP_ARRAY(IntervalData, interval_print_size);
+ FlatProfiler::interval_reset();
+}
+
+void FlatProfiler::engage(JavaThread* mainThread, bool fullProfile) {
+ full_profile_flag = fullProfile;
+ if (bytecode_ticks == NULL) {
+ allocate_table();
+ }
+ if(ProfileVM && (vm_thread_profiler == NULL)){
+ vm_thread_profiler = new ThreadProfiler();
+ }
+ if (task == NULL) {
+ task = new FlatProfilerTask(WatcherThread::delay_interval);
+ task->enroll();
+ }
+ timer.start();
+ if (mainThread != NULL) {
+ // When mainThread was created, it might not have a ThreadProfiler
+ ThreadProfiler* pp = mainThread->get_thread_profiler();
+ if (pp == NULL) {
+ mainThread->set_thread_profiler(new ThreadProfiler());
+ } else {
+ pp->reset();
+ }
+ mainThread->get_thread_profiler()->engage();
+ }
+ // This is where we would assign thread_profiler
+ // if we wanted only one thread_profiler for all threads.
+ thread_profiler = NULL;
+}
+
+void FlatProfiler::disengage() {
+ if (!task) {
+ return;
+ }
+ timer.stop();
+ task->disenroll();
+ delete task;
+ task = NULL;
+ if (thread_profiler != NULL) {
+ thread_profiler->disengage();
+ } else {
+ MutexLocker tl(Threads_lock);
+ for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
+ ThreadProfiler* pp = tp->get_thread_profiler();
+ if (pp != NULL) {
+ pp->disengage();
+ }
+ }
+ }
+}
+
+void FlatProfiler::reset() {
+ if (task) {
+ disengage();
+ }
+
+ class_loader_ticks = 0;
+ extra_ticks = 0;
+ received_gc_ticks = 0;
+ vm_operation_ticks = 0;
+ compiler_ticks = 0;
+ deopt_ticks = 0;
+ interpreter_ticks = 0;
+ blocked_ticks = 0;
+ unknown_ticks = 0;
+ received_ticks = 0;
+ delivered_ticks = 0;
+ timer.stop();
+}
+
+bool FlatProfiler::is_active() {
+ return task != NULL;
+}
+
+void FlatProfiler::print_byte_code_statistics() {
+ GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200);
+
+ tty->print_cr(" Bytecode ticks:");
+ for (int index = 0; index < Bytecodes::number_of_codes; index++) {
+ if (FlatProfiler::bytecode_ticks[index] > 0 || FlatProfiler::bytecode_ticks_stub[index] > 0) {
+ tty->print_cr(" %4d %4d = %s",
+ FlatProfiler::bytecode_ticks[index],
+ FlatProfiler::bytecode_ticks_stub[index],
+ Bytecodes::name( (Bytecodes::Code) index));
+ }
+ }
+ tty->cr();
+}
+
+void print_ticks(const char* title, int ticks, int total) {
+ if (ticks > 0) {
+ tty->print("%5.1f%% %5d", ticks * 100.0 / total, ticks);
+ tty->fill_to(col3);
+ tty->print("%s", title);
+ tty->cr();
+ }
+}
+
+void ThreadProfiler::print(const char* thread_name) {
+ ResourceMark rm;
+ MutexLocker ppl(ProfilePrint_lock);
+ int index = 0; // Declared outside for loops for portability
+
+ if (table == NULL) {
+ return;
+ }
+
+ if (thread_ticks <= 0) {
+ return;
+ }
+
+ const char* title = "too soon to tell";
+ double secs = timer.seconds();
+
+ GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200);
+ for(index = 0; index < table_size; index++) {
+ for(ProfilerNode* node = table[index]; node; node = node->next())
+ array->append(node);
+ }
+
+ array->sort(&ProfilerNode::compare);
+
+ // compute total (sanity check)
+ int active =
+ class_loader_ticks +
+ compiler_ticks +
+ interpreter_ticks +
+ unknown_ticks();
+ for (index = 0; index < array->length(); index++) {
+ active += array->at(index)->ticks.total();
+ }
+ int total = active + blocked_ticks;
+
+ tty->cr();
+ tty->print_cr("Flat profile of %3.2f secs (%d total ticks): %s", secs, total, thread_name);
+ if (total != thread_ticks) {
+ print_ticks("Lost ticks", thread_ticks-total, thread_ticks);
+ }
+ tty->cr();
+
+ // print interpreted methods
+ tick_counter interpreted_ticks;
+ bool has_interpreted_ticks = false;
+ int print_count = 0;
+ for (index = 0; index < array->length(); index++) {
+ ProfilerNode* n = array->at(index);
+ if (n->is_interpreted()) {
+ interpreted_ticks.add(&n->ticks);
+ if (!has_interpreted_ticks) {
+ interpretedNode::print_title(tty);
+ has_interpreted_ticks = true;
+ }
+ if (print_count++ < ProfilerNumberOfInterpretedMethods) {
+ n->print(tty, active);
+ }
+ }
+ }
+ if (has_interpreted_ticks) {
+ if (print_count <= ProfilerNumberOfInterpretedMethods) {
+ title = "Total interpreted";
+ } else {
+ title = "Total interpreted (including elided)";
+ }
+ interpretedNode::print_total(tty, &interpreted_ticks, active, title);
+ tty->cr();
+ }
+
+ // print compiled methods
+ tick_counter compiled_ticks;
+ bool has_compiled_ticks = false;
+ print_count = 0;
+ for (index = 0; index < array->length(); index++) {
+ ProfilerNode* n = array->at(index);
+ if (n->is_compiled()) {
+ compiled_ticks.add(&n->ticks);
+ if (!has_compiled_ticks) {
+ compiledNode::print_title(tty);
+ has_compiled_ticks = true;
+ }
+ if (print_count++ < ProfilerNumberOfCompiledMethods) {
+ n->print(tty, active);
+ }
+ }
+ }
+ if (has_compiled_ticks) {
+ if (print_count <= ProfilerNumberOfCompiledMethods) {
+ title = "Total compiled";
+ } else {
+ title = "Total compiled (including elided)";
+ }
+ compiledNode::print_total(tty, &compiled_ticks, active, title);
+ tty->cr();
+ }
+
+ // print stub methods
+ tick_counter stub_ticks;
+ bool has_stub_ticks = false;
+ print_count = 0;
+ for (index = 0; index < array->length(); index++) {
+ ProfilerNode* n = array->at(index);
+ if (n->is_stub()) {
+ stub_ticks.add(&n->ticks);
+ if (!has_stub_ticks) {
+ stubNode::print_title(tty);
+ has_stub_ticks = true;
+ }
+ if (print_count++ < ProfilerNumberOfStubMethods) {
+ n->print(tty, active);
+ }
+ }
+ }
+ if (has_stub_ticks) {
+ if (print_count <= ProfilerNumberOfStubMethods) {
+ title = "Total stub";
+ } else {
+ title = "Total stub (including elided)";
+ }
+ stubNode::print_total(tty, &stub_ticks, active, title);
+ tty->cr();
+ }
+
+ // print runtime stubs
+ tick_counter runtime_stub_ticks;
+ bool has_runtime_stub_ticks = false;
+ print_count = 0;
+ for (index = 0; index < array->length(); index++) {
+ ProfilerNode* n = array->at(index);
+ if (n->is_runtime_stub()) {
+ runtime_stub_ticks.add(&n->ticks);
+ if (!has_runtime_stub_ticks) {
+ runtimeStubNode::print_title(tty);
+ has_runtime_stub_ticks = true;
+ }
+ if (print_count++ < ProfilerNumberOfRuntimeStubNodes) {
+ n->print(tty, active);
+ }
+ }
+ }
+ if (has_runtime_stub_ticks) {
+ if (print_count <= ProfilerNumberOfRuntimeStubNodes) {
+ title = "Total runtime stubs";
+ } else {
+ title = "Total runtime stubs (including elided)";
+ }
+ runtimeStubNode::print_total(tty, &runtime_stub_ticks, active, title);
+ tty->cr();
+ }
+
+ if (blocked_ticks + class_loader_ticks + interpreter_ticks + compiler_ticks + unknown_ticks() != 0) {
+ tty->fill_to(col1);
+ tty->print_cr("Thread-local ticks:");
+ print_ticks("Blocked (of total)", blocked_ticks, total);
+ print_ticks("Class loader", class_loader_ticks, active);
+ print_ticks("Extra", extra_ticks, active);
+ print_ticks("Interpreter", interpreter_ticks, active);
+ print_ticks("Compilation", compiler_ticks, active);
+ print_ticks("Unknown: vtable stubs", unknown_ticks_array[ut_vtable_stubs], active);
+ print_ticks("Unknown: null method", unknown_ticks_array[ut_null_method], active);
+ print_ticks("Unknown: running frame", unknown_ticks_array[ut_running_frame], active);
+ print_ticks("Unknown: calling frame", unknown_ticks_array[ut_calling_frame], active);
+ print_ticks("Unknown: no pc", unknown_ticks_array[ut_no_pc], active);
+ print_ticks("Unknown: no last frame", unknown_ticks_array[ut_no_last_Java_frame], active);
+ print_ticks("Unknown: thread_state", unknown_ticks_array[ut_unknown_thread_state], active);
+ tty->cr();
+ }
+
+ if (WizardMode) {
+ tty->print_cr("Node area used: %dKb", (area_top - area_bottom) / 1024);
+ }
+ reset();
+}
+
+/*
+ThreadProfiler::print_unknown(){
+ if (table == NULL) {
+ return;
+ }
+
+ if (thread_ticks <= 0) {
+ return;
+ }
+} */
+
+void FlatProfiler::print(int unused) {
+ ResourceMark rm;
+ if (thread_profiler != NULL) {
+ thread_profiler->print("All threads");
+ } else {
+ MutexLocker tl(Threads_lock);
+ for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
+ ThreadProfiler* pp = tp->get_thread_profiler();
+ if (pp != NULL) {
+ pp->print(tp->get_thread_name());
+ }
+ }
+ }
+
+ if (ProfilerPrintByteCodeStatistics) {
+ print_byte_code_statistics();
+ }
+
+ if (non_method_ticks() > 0) {
+ tty->cr();
+ tty->print_cr("Global summary of %3.2f seconds:", timer.seconds());
+ print_ticks("Received ticks", received_ticks, received_ticks);
+ print_ticks("Received GC ticks", received_gc_ticks, received_ticks);
+ print_ticks("Compilation", compiler_ticks, received_ticks);
+ print_ticks("Deoptimization", deopt_ticks, received_ticks);
+ print_ticks("Other VM operations", vm_operation_ticks, received_ticks);
+#ifndef PRODUCT
+ print_ticks("Blocked ticks", blocked_ticks, received_ticks);
+ print_ticks("Threads_lock blocks", threads_lock_ticks, received_ticks);
+ print_ticks("Delivered ticks", delivered_ticks, received_ticks);
+ print_ticks("All ticks", all_ticks, received_ticks);
+#endif
+ print_ticks("Class loader", class_loader_ticks, received_ticks);
+ print_ticks("Extra ", extra_ticks, received_ticks);
+ print_ticks("Interpreter", interpreter_ticks, received_ticks);
+ print_ticks("Unknown code", unknown_ticks, received_ticks);
+ }
+
+ PCRecorder::print();
+
+ if(ProfileVM){
+ tty->cr();
+ vm_thread_profiler->print("VM Thread");
+ }
+}
+
+void IntervalData::print_header(outputStream* st) {
+ st->print("i/c/n/g");
+}
+
+void IntervalData::print_data(outputStream* st) {
+ st->print("%d/%d/%d/%d", interpreted(), compiled(), native(), compiling());
+}
+
+void FlatProfiler::interval_record_thread(ThreadProfiler* tp) {
+ IntervalData id = tp->interval_data();
+ int total = id.total();
+ tp->interval_data_ref()->reset();
+
+ // Insertion sort the data, if it's relevant.
+ for (int i = 0; i < interval_print_size; i += 1) {
+ if (total > interval_data[i].total()) {
+ for (int j = interval_print_size - 1; j > i; j -= 1) {
+ interval_data[j] = interval_data[j-1];
+ }
+ interval_data[i] = id;
+ break;
+ }
+ }
+}
+
+void FlatProfiler::interval_print() {
+ if ((interval_data[0].total() > 0)) {
+ tty->stamp();
+ tty->print("\t");
+ IntervalData::print_header(tty);
+ for (int i = 0; i < interval_print_size; i += 1) {
+ if (interval_data[i].total() > 0) {
+ tty->print("\t");
+ interval_data[i].print_data(tty);
+ }
+ }
+ tty->cr();
+ }
+}
+
+void FlatProfiler::interval_reset() {
+ for (int i = 0; i < interval_print_size; i += 1) {
+ interval_data[i].reset();
+ }
+}
+
+void ThreadProfiler::oops_do(OopClosure* f) {
+ if (table == NULL) return;
+
+ for(int index = 0; index < table_size; index++) {
+ for(ProfilerNode* node = table[index]; node; node = node->next())
+ node->oops_do(f);
+ }
+}
+
+void FlatProfiler::oops_do(OopClosure* f) {
+ if (thread_profiler != NULL) {
+ thread_profiler->oops_do(f);
+ } else {
+ for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
+ ThreadProfiler* pp = tp->get_thread_profiler();
+ if (pp != NULL) {
+ pp->oops_do(f);
+ }
+ }
+ }
+}