author | dcubed |
Fri, 20 Sep 2013 18:19:07 -0700 | |
changeset 20066 | 439710df6d1a |
parent 17858 | c292f8791cca |
child 20702 | bbe0fcde6e13 |
child 22836 | e7e511228518 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2000, 2013, 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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||
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#include "precompiled.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "interpreter/bytecode.hpp" |
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#include "interpreter/bytecodeStream.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "memory/heapInspection.hpp" |
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#include "oops/methodData.hpp" |
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#include "prims/jvmtiRedefineClasses.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/handles.inline.hpp" |
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// ================================================================== |
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// DataLayout |
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// |
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// Overlay for generic profiling data. |
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// Some types of data layouts need a length field. |
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bool DataLayout::needs_array_len(u1 tag) { |
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return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag); |
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} |
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// Perform generic initialization of the data. More specific |
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// initialization occurs in overrides of ProfileData::post_initialize. |
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void DataLayout::initialize(u1 tag, u2 bci, int cell_count) { |
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_header._bits = (intptr_t)0; |
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_header._struct._tag = tag; |
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_header._struct._bci = bci; |
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for (int i = 0; i < cell_count; i++) { |
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set_cell_at(i, (intptr_t)0); |
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} |
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if (needs_array_len(tag)) { |
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set_cell_at(ArrayData::array_len_off_set, cell_count - 1); // -1 for header. |
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} |
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} |
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void DataLayout::clean_weak_klass_links(BoolObjectClosure* cl) { |
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ResourceMark m; |
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data_in()->clean_weak_klass_links(cl); |
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} |
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// ================================================================== |
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// ProfileData |
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// |
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// A ProfileData object is created to refer to a section of profiling |
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// data in a structured way. |
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// Constructor for invalid ProfileData. |
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ProfileData::ProfileData() { |
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_data = NULL; |
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} |
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#ifndef PRODUCT |
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void ProfileData::print_shared(outputStream* st, const char* name) { |
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st->print("bci: %d", bci()); |
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st->fill_to(tab_width_one); |
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st->print("%s", name); |
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tab(st); |
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int trap = trap_state(); |
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if (trap != 0) { |
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char buf[100]; |
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st->print("trap(%s) ", Deoptimization::format_trap_state(buf, sizeof(buf), trap)); |
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} |
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int flags = data()->flags(); |
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if (flags != 0) |
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st->print("flags(%d) ", flags); |
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} |
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void ProfileData::tab(outputStream* st) { |
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st->fill_to(tab_width_two); |
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} |
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#endif // !PRODUCT |
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// ================================================================== |
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// BitData |
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// |
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// A BitData corresponds to a one-bit flag. This is used to indicate |
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// whether a checkcast bytecode has seen a null value. |
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#ifndef PRODUCT |
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void BitData::print_data_on(outputStream* st) { |
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print_shared(st, "BitData"); |
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} |
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#endif // !PRODUCT |
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// ================================================================== |
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// CounterData |
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// |
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// A CounterData corresponds to a simple counter. |
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#ifndef PRODUCT |
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void CounterData::print_data_on(outputStream* st) { |
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print_shared(st, "CounterData"); |
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st->print_cr("count(%u)", count()); |
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} |
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#endif // !PRODUCT |
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// ================================================================== |
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// JumpData |
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// |
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// A JumpData is used to access profiling information for a direct |
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// branch. It is a counter, used for counting the number of branches, |
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// plus a data displacement, used for realigning the data pointer to |
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// the corresponding target bci. |
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void JumpData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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assert(stream->bci() == bci(), "wrong pos"); |
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int target; |
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Bytecodes::Code c = stream->code(); |
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if (c == Bytecodes::_goto_w || c == Bytecodes::_jsr_w) { |
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target = stream->dest_w(); |
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} else { |
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target = stream->dest(); |
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} |
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int my_di = mdo->dp_to_di(dp()); |
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int target_di = mdo->bci_to_di(target); |
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int offset = target_di - my_di; |
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set_displacement(offset); |
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} |
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#ifndef PRODUCT |
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void JumpData::print_data_on(outputStream* st) { |
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print_shared(st, "JumpData"); |
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st->print_cr("taken(%u) displacement(%d)", taken(), displacement()); |
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} |
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#endif // !PRODUCT |
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// ================================================================== |
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// ReceiverTypeData |
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// |
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// A ReceiverTypeData is used to access profiling information about a |
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// dynamic type check. It consists of a counter which counts the total times |
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// that the check is reached, and a series of (Klass*, count) pairs |
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// which are used to store a type profile for the receiver of the check. |
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void ReceiverTypeData::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) { |
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for (uint row = 0; row < row_limit(); row++) { |
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Klass* p = receiver(row); |
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if (p != NULL && !p->is_loader_alive(is_alive_cl)) { |
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clear_row(row); |
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} |
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} |
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} |
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#ifndef PRODUCT |
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void ReceiverTypeData::print_receiver_data_on(outputStream* st) { |
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uint row; |
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int entries = 0; |
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for (row = 0; row < row_limit(); row++) { |
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if (receiver(row) != NULL) entries++; |
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} |
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st->print_cr("count(%u) entries(%u)", count(), entries); |
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int total = count(); |
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for (row = 0; row < row_limit(); row++) { |
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if (receiver(row) != NULL) { |
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total += receiver_count(row); |
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} |
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} |
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for (row = 0; row < row_limit(); row++) { |
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if (receiver(row) != NULL) { |
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tab(st); |
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receiver(row)->print_value_on(st); |
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st->print_cr("(%u %4.2f)", receiver_count(row), (float) receiver_count(row) / (float) total); |
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} |
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} |
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} |
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void ReceiverTypeData::print_data_on(outputStream* st) { |
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print_shared(st, "ReceiverTypeData"); |
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print_receiver_data_on(st); |
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} |
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void VirtualCallData::print_data_on(outputStream* st) { |
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print_shared(st, "VirtualCallData"); |
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print_receiver_data_on(st); |
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} |
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#endif // !PRODUCT |
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// ================================================================== |
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// RetData |
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// |
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// A RetData is used to access profiling information for a ret bytecode. |
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// It is composed of a count of the number of times that the ret has |
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// been executed, followed by a series of triples of the form |
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// (bci, count, di) which count the number of times that some bci was the |
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// target of the ret and cache a corresponding displacement. |
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void RetData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
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for (uint row = 0; row < row_limit(); row++) { |
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set_bci_displacement(row, -1); |
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set_bci(row, no_bci); |
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} |
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// release so other threads see a consistent state. bci is used as |
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// a valid flag for bci_displacement. |
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OrderAccess::release(); |
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} |
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// This routine needs to atomically update the RetData structure, so the |
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// caller needs to hold the RetData_lock before it gets here. Since taking |
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// the lock can block (and allow GC) and since RetData is a ProfileData is a |
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// wrapper around a derived oop, taking the lock in _this_ method will |
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// basically cause the 'this' pointer's _data field to contain junk after the |
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// lock. We require the caller to take the lock before making the ProfileData |
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// structure. Currently the only caller is InterpreterRuntime::update_mdp_for_ret |
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address RetData::fixup_ret(int return_bci, MethodData* h_mdo) { |
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// First find the mdp which corresponds to the return bci. |
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address mdp = h_mdo->bci_to_dp(return_bci); |
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// Now check to see if any of the cache slots are open. |
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for (uint row = 0; row < row_limit(); row++) { |
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if (bci(row) == no_bci) { |
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set_bci_displacement(row, mdp - dp()); |
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set_bci_count(row, DataLayout::counter_increment); |
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// Barrier to ensure displacement is written before the bci; allows |
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// the interpreter to read displacement without fear of race condition. |
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release_set_bci(row, return_bci); |
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break; |
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} |
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} |
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return mdp; |
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} |
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#ifndef PRODUCT |
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void RetData::print_data_on(outputStream* st) { |
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print_shared(st, "RetData"); |
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uint row; |
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int entries = 0; |
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for (row = 0; row < row_limit(); row++) { |
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if (bci(row) != no_bci) entries++; |
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} |
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st->print_cr("count(%u) entries(%u)", count(), entries); |
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for (row = 0; row < row_limit(); row++) { |
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if (bci(row) != no_bci) { |
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tab(st); |
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st->print_cr("bci(%d: count(%u) displacement(%d))", |
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bci(row), bci_count(row), bci_displacement(row)); |
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} |
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} |
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264 |
} |
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#endif // !PRODUCT |
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||
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// ================================================================== |
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// BranchData |
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// |
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// A BranchData is used to access profiling data for a two-way branch. |
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// It consists of taken and not_taken counts as well as a data displacement |
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// for the taken case. |
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void BranchData::post_initialize(BytecodeStream* stream, MethodData* mdo) { |
1 | 275 |
assert(stream->bci() == bci(), "wrong pos"); |
276 |
int target = stream->dest(); |
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277 |
int my_di = mdo->dp_to_di(dp()); |
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278 |
int target_di = mdo->bci_to_di(target); |
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279 |
int offset = target_di - my_di; |
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280 |
set_displacement(offset); |
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281 |
} |
|
282 |
||
283 |
#ifndef PRODUCT |
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284 |
void BranchData::print_data_on(outputStream* st) { |
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285 |
print_shared(st, "BranchData"); |
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286 |
st->print_cr("taken(%u) displacement(%d)", |
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taken(), displacement()); |
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288 |
tab(st); |
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289 |
st->print_cr("not taken(%u)", not_taken()); |
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290 |
} |
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291 |
#endif |
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292 |
||
293 |
// ================================================================== |
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294 |
// MultiBranchData |
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295 |
// |
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296 |
// A MultiBranchData is used to access profiling information for |
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297 |
// a multi-way branch (*switch bytecodes). It consists of a series |
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298 |
// of (count, displacement) pairs, which count the number of times each |
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299 |
// case was taken and specify the data displacment for each branch target. |
|
300 |
||
301 |
int MultiBranchData::compute_cell_count(BytecodeStream* stream) { |
|
302 |
int cell_count = 0; |
|
303 |
if (stream->code() == Bytecodes::_tableswitch) { |
|
7913 | 304 |
Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
305 |
cell_count = 1 + per_case_cell_count * (1 + sw.length()); // 1 for default |
|
1 | 306 |
} else { |
7913 | 307 |
Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
308 |
cell_count = 1 + per_case_cell_count * (sw.number_of_pairs() + 1); // 1 for default |
|
1 | 309 |
} |
310 |
return cell_count; |
|
311 |
} |
|
312 |
||
313 |
void MultiBranchData::post_initialize(BytecodeStream* stream, |
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MethodData* mdo) { |
1 | 315 |
assert(stream->bci() == bci(), "wrong pos"); |
316 |
int target; |
|
317 |
int my_di; |
|
318 |
int target_di; |
|
319 |
int offset; |
|
320 |
if (stream->code() == Bytecodes::_tableswitch) { |
|
7913 | 321 |
Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
322 |
int len = sw.length(); |
|
1 | 323 |
assert(array_len() == per_case_cell_count * (len + 1), "wrong len"); |
324 |
for (int count = 0; count < len; count++) { |
|
7913 | 325 |
target = sw.dest_offset_at(count) + bci(); |
1 | 326 |
my_di = mdo->dp_to_di(dp()); |
327 |
target_di = mdo->bci_to_di(target); |
|
328 |
offset = target_di - my_di; |
|
329 |
set_displacement_at(count, offset); |
|
330 |
} |
|
7913 | 331 |
target = sw.default_offset() + bci(); |
1 | 332 |
my_di = mdo->dp_to_di(dp()); |
333 |
target_di = mdo->bci_to_di(target); |
|
334 |
offset = target_di - my_di; |
|
335 |
set_default_displacement(offset); |
|
336 |
||
337 |
} else { |
|
7913 | 338 |
Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
339 |
int npairs = sw.number_of_pairs(); |
|
1 | 340 |
assert(array_len() == per_case_cell_count * (npairs + 1), "wrong len"); |
341 |
for (int count = 0; count < npairs; count++) { |
|
7913 | 342 |
LookupswitchPair pair = sw.pair_at(count); |
343 |
target = pair.offset() + bci(); |
|
1 | 344 |
my_di = mdo->dp_to_di(dp()); |
345 |
target_di = mdo->bci_to_di(target); |
|
346 |
offset = target_di - my_di; |
|
347 |
set_displacement_at(count, offset); |
|
348 |
} |
|
7913 | 349 |
target = sw.default_offset() + bci(); |
1 | 350 |
my_di = mdo->dp_to_di(dp()); |
351 |
target_di = mdo->bci_to_di(target); |
|
352 |
offset = target_di - my_di; |
|
353 |
set_default_displacement(offset); |
|
354 |
} |
|
355 |
} |
|
356 |
||
357 |
#ifndef PRODUCT |
|
358 |
void MultiBranchData::print_data_on(outputStream* st) { |
|
359 |
print_shared(st, "MultiBranchData"); |
|
360 |
st->print_cr("default_count(%u) displacement(%d)", |
|
361 |
default_count(), default_displacement()); |
|
362 |
int cases = number_of_cases(); |
|
363 |
for (int i = 0; i < cases; i++) { |
|
364 |
tab(st); |
|
365 |
st->print_cr("count(%u) displacement(%d)", |
|
366 |
count_at(i), displacement_at(i)); |
|
367 |
} |
|
368 |
} |
|
369 |
#endif |
|
370 |
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#ifndef PRODUCT |
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void ArgInfoData::print_data_on(outputStream* st) { |
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373 |
print_shared(st, "ArgInfoData"); |
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int nargs = number_of_args(); |
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|
375 |
for (int i = 0; i < nargs; i++) { |
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|
376 |
st->print(" 0x%x", arg_modified(i)); |
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|
377 |
} |
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|
378 |
st->cr(); |
a0e996680b05
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|
379 |
} |
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|
380 |
|
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|
381 |
#endif |
1 | 382 |
// ================================================================== |
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|
383 |
// MethodData* |
1 | 384 |
// |
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|
385 |
// A MethodData* holds information which has been collected about |
1 | 386 |
// a method. |
387 |
||
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|
388 |
MethodData* MethodData::allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS) { |
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|
389 |
int size = MethodData::compute_allocation_size_in_words(method); |
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|
390 |
|
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|
391 |
return new (loader_data, size, false, MetaspaceObj::MethodDataType, THREAD) |
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|
392 |
MethodData(method(), size, CHECK_NULL); |
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|
393 |
} |
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|
394 |
|
882756847a04
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changeset
|
395 |
int MethodData::bytecode_cell_count(Bytecodes::Code code) { |
16611 | 396 |
#if defined(COMPILER1) && !defined(COMPILER2) |
397 |
return no_profile_data; |
|
398 |
#else |
|
1 | 399 |
switch (code) { |
400 |
case Bytecodes::_checkcast: |
|
401 |
case Bytecodes::_instanceof: |
|
402 |
case Bytecodes::_aastore: |
|
403 |
if (TypeProfileCasts) { |
|
404 |
return ReceiverTypeData::static_cell_count(); |
|
405 |
} else { |
|
406 |
return BitData::static_cell_count(); |
|
407 |
} |
|
408 |
case Bytecodes::_invokespecial: |
|
409 |
case Bytecodes::_invokestatic: |
|
410 |
return CounterData::static_cell_count(); |
|
411 |
case Bytecodes::_goto: |
|
412 |
case Bytecodes::_goto_w: |
|
413 |
case Bytecodes::_jsr: |
|
414 |
case Bytecodes::_jsr_w: |
|
415 |
return JumpData::static_cell_count(); |
|
416 |
case Bytecodes::_invokevirtual: |
|
417 |
case Bytecodes::_invokeinterface: |
|
418 |
return VirtualCallData::static_cell_count(); |
|
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|
419 |
case Bytecodes::_invokedynamic: |
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diff
changeset
|
420 |
return CounterData::static_cell_count(); |
1 | 421 |
case Bytecodes::_ret: |
422 |
return RetData::static_cell_count(); |
|
423 |
case Bytecodes::_ifeq: |
|
424 |
case Bytecodes::_ifne: |
|
425 |
case Bytecodes::_iflt: |
|
426 |
case Bytecodes::_ifge: |
|
427 |
case Bytecodes::_ifgt: |
|
428 |
case Bytecodes::_ifle: |
|
429 |
case Bytecodes::_if_icmpeq: |
|
430 |
case Bytecodes::_if_icmpne: |
|
431 |
case Bytecodes::_if_icmplt: |
|
432 |
case Bytecodes::_if_icmpge: |
|
433 |
case Bytecodes::_if_icmpgt: |
|
434 |
case Bytecodes::_if_icmple: |
|
435 |
case Bytecodes::_if_acmpeq: |
|
436 |
case Bytecodes::_if_acmpne: |
|
437 |
case Bytecodes::_ifnull: |
|
438 |
case Bytecodes::_ifnonnull: |
|
439 |
return BranchData::static_cell_count(); |
|
440 |
case Bytecodes::_lookupswitch: |
|
441 |
case Bytecodes::_tableswitch: |
|
442 |
return variable_cell_count; |
|
443 |
} |
|
444 |
return no_profile_data; |
|
16611 | 445 |
#endif |
1 | 446 |
} |
447 |
||
448 |
// Compute the size of the profiling information corresponding to |
|
449 |
// the current bytecode. |
|
13728
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changeset
|
450 |
int MethodData::compute_data_size(BytecodeStream* stream) { |
1 | 451 |
int cell_count = bytecode_cell_count(stream->code()); |
452 |
if (cell_count == no_profile_data) { |
|
453 |
return 0; |
|
454 |
} |
|
455 |
if (cell_count == variable_cell_count) { |
|
456 |
cell_count = MultiBranchData::compute_cell_count(stream); |
|
457 |
} |
|
458 |
// Note: cell_count might be zero, meaning that there is just |
|
459 |
// a DataLayout header, with no extra cells. |
|
460 |
assert(cell_count >= 0, "sanity"); |
|
461 |
return DataLayout::compute_size_in_bytes(cell_count); |
|
462 |
} |
|
463 |
||
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changeset
|
464 |
int MethodData::compute_extra_data_count(int data_size, int empty_bc_count) { |
1 | 465 |
if (ProfileTraps) { |
466 |
// Assume that up to 3% of BCIs with no MDP will need to allocate one. |
|
467 |
int extra_data_count = (uint)(empty_bc_count * 3) / 128 + 1; |
|
468 |
// If the method is large, let the extra BCIs grow numerous (to ~1%). |
|
469 |
int one_percent_of_data |
|
470 |
= (uint)data_size / (DataLayout::header_size_in_bytes()*128); |
|
471 |
if (extra_data_count < one_percent_of_data) |
|
472 |
extra_data_count = one_percent_of_data; |
|
473 |
if (extra_data_count > empty_bc_count) |
|
474 |
extra_data_count = empty_bc_count; // no need for more |
|
475 |
return extra_data_count; |
|
476 |
} else { |
|
477 |
return 0; |
|
478 |
} |
|
479 |
} |
|
480 |
||
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changeset
|
481 |
// Compute the size of the MethodData* necessary to store |
1 | 482 |
// profiling information about a given method. Size is in bytes. |
13728
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changeset
|
483 |
int MethodData::compute_allocation_size_in_bytes(methodHandle method) { |
1 | 484 |
int data_size = 0; |
485 |
BytecodeStream stream(method); |
|
486 |
Bytecodes::Code c; |
|
487 |
int empty_bc_count = 0; // number of bytecodes lacking data |
|
488 |
while ((c = stream.next()) >= 0) { |
|
489 |
int size_in_bytes = compute_data_size(&stream); |
|
490 |
data_size += size_in_bytes; |
|
491 |
if (size_in_bytes == 0) empty_bc_count += 1; |
|
492 |
} |
|
493 |
int object_size = in_bytes(data_offset()) + data_size; |
|
494 |
||
495 |
// Add some extra DataLayout cells (at least one) to track stray traps. |
|
496 |
int extra_data_count = compute_extra_data_count(data_size, empty_bc_count); |
|
497 |
object_size += extra_data_count * DataLayout::compute_size_in_bytes(0); |
|
498 |
||
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changeset
|
499 |
// Add a cell to record information about modified arguments. |
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6667615: (Escape Analysis) extend MDO to cache arguments escape state
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diff
changeset
|
500 |
int arg_size = method->size_of_parameters(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
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diff
changeset
|
501 |
object_size += DataLayout::compute_size_in_bytes(arg_size+1); |
1 | 502 |
return object_size; |
503 |
} |
|
504 |
||
13728
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6964458: Reimplement class meta-data storage to use native memory
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parents:
8334
diff
changeset
|
505 |
// Compute the size of the MethodData* necessary to store |
1 | 506 |
// profiling information about a given method. Size is in words |
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
507 |
int MethodData::compute_allocation_size_in_words(methodHandle method) { |
1 | 508 |
int byte_size = compute_allocation_size_in_bytes(method); |
509 |
int word_size = align_size_up(byte_size, BytesPerWord) / BytesPerWord; |
|
510 |
return align_object_size(word_size); |
|
511 |
} |
|
512 |
||
513 |
// Initialize an individual data segment. Returns the size of |
|
514 |
// the segment in bytes. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
515 |
int MethodData::initialize_data(BytecodeStream* stream, |
1 | 516 |
int data_index) { |
16611 | 517 |
#if defined(COMPILER1) && !defined(COMPILER2) |
518 |
return 0; |
|
519 |
#else |
|
1 | 520 |
int cell_count = -1; |
521 |
int tag = DataLayout::no_tag; |
|
522 |
DataLayout* data_layout = data_layout_at(data_index); |
|
523 |
Bytecodes::Code c = stream->code(); |
|
524 |
switch (c) { |
|
525 |
case Bytecodes::_checkcast: |
|
526 |
case Bytecodes::_instanceof: |
|
527 |
case Bytecodes::_aastore: |
|
528 |
if (TypeProfileCasts) { |
|
529 |
cell_count = ReceiverTypeData::static_cell_count(); |
|
530 |
tag = DataLayout::receiver_type_data_tag; |
|
531 |
} else { |
|
532 |
cell_count = BitData::static_cell_count(); |
|
533 |
tag = DataLayout::bit_data_tag; |
|
534 |
} |
|
535 |
break; |
|
536 |
case Bytecodes::_invokespecial: |
|
537 |
case Bytecodes::_invokestatic: |
|
538 |
cell_count = CounterData::static_cell_count(); |
|
539 |
tag = DataLayout::counter_data_tag; |
|
540 |
break; |
|
541 |
case Bytecodes::_goto: |
|
542 |
case Bytecodes::_goto_w: |
|
543 |
case Bytecodes::_jsr: |
|
544 |
case Bytecodes::_jsr_w: |
|
545 |
cell_count = JumpData::static_cell_count(); |
|
546 |
tag = DataLayout::jump_data_tag; |
|
547 |
break; |
|
548 |
case Bytecodes::_invokevirtual: |
|
549 |
case Bytecodes::_invokeinterface: |
|
550 |
cell_count = VirtualCallData::static_cell_count(); |
|
551 |
tag = DataLayout::virtual_call_data_tag; |
|
552 |
break; |
|
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
553 |
case Bytecodes::_invokedynamic: |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
554 |
// %%% should make a type profile for any invokedynamic that takes a ref argument |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
555 |
cell_count = CounterData::static_cell_count(); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
556 |
tag = DataLayout::counter_data_tag; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
670
diff
changeset
|
557 |
break; |
1 | 558 |
case Bytecodes::_ret: |
559 |
cell_count = RetData::static_cell_count(); |
|
560 |
tag = DataLayout::ret_data_tag; |
|
561 |
break; |
|
562 |
case Bytecodes::_ifeq: |
|
563 |
case Bytecodes::_ifne: |
|
564 |
case Bytecodes::_iflt: |
|
565 |
case Bytecodes::_ifge: |
|
566 |
case Bytecodes::_ifgt: |
|
567 |
case Bytecodes::_ifle: |
|
568 |
case Bytecodes::_if_icmpeq: |
|
569 |
case Bytecodes::_if_icmpne: |
|
570 |
case Bytecodes::_if_icmplt: |
|
571 |
case Bytecodes::_if_icmpge: |
|
572 |
case Bytecodes::_if_icmpgt: |
|
573 |
case Bytecodes::_if_icmple: |
|
574 |
case Bytecodes::_if_acmpeq: |
|
575 |
case Bytecodes::_if_acmpne: |
|
576 |
case Bytecodes::_ifnull: |
|
577 |
case Bytecodes::_ifnonnull: |
|
578 |
cell_count = BranchData::static_cell_count(); |
|
579 |
tag = DataLayout::branch_data_tag; |
|
580 |
break; |
|
581 |
case Bytecodes::_lookupswitch: |
|
582 |
case Bytecodes::_tableswitch: |
|
583 |
cell_count = MultiBranchData::compute_cell_count(stream); |
|
584 |
tag = DataLayout::multi_branch_data_tag; |
|
585 |
break; |
|
586 |
} |
|
587 |
assert(tag == DataLayout::multi_branch_data_tag || |
|
588 |
cell_count == bytecode_cell_count(c), "cell counts must agree"); |
|
589 |
if (cell_count >= 0) { |
|
590 |
assert(tag != DataLayout::no_tag, "bad tag"); |
|
591 |
assert(bytecode_has_profile(c), "agree w/ BHP"); |
|
592 |
data_layout->initialize(tag, stream->bci(), cell_count); |
|
593 |
return DataLayout::compute_size_in_bytes(cell_count); |
|
594 |
} else { |
|
595 |
assert(!bytecode_has_profile(c), "agree w/ !BHP"); |
|
596 |
return 0; |
|
597 |
} |
|
16611 | 598 |
#endif |
1 | 599 |
} |
600 |
||
601 |
// Get the data at an arbitrary (sort of) data index. |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
602 |
ProfileData* MethodData::data_at(int data_index) const { |
1 | 603 |
if (out_of_bounds(data_index)) { |
604 |
return NULL; |
|
605 |
} |
|
606 |
DataLayout* data_layout = data_layout_at(data_index); |
|
3696 | 607 |
return data_layout->data_in(); |
608 |
} |
|
1 | 609 |
|
3696 | 610 |
ProfileData* DataLayout::data_in() { |
611 |
switch (tag()) { |
|
1 | 612 |
case DataLayout::no_tag: |
613 |
default: |
|
614 |
ShouldNotReachHere(); |
|
615 |
return NULL; |
|
616 |
case DataLayout::bit_data_tag: |
|
3696 | 617 |
return new BitData(this); |
1 | 618 |
case DataLayout::counter_data_tag: |
3696 | 619 |
return new CounterData(this); |
1 | 620 |
case DataLayout::jump_data_tag: |
3696 | 621 |
return new JumpData(this); |
1 | 622 |
case DataLayout::receiver_type_data_tag: |
3696 | 623 |
return new ReceiverTypeData(this); |
1 | 624 |
case DataLayout::virtual_call_data_tag: |
3696 | 625 |
return new VirtualCallData(this); |
1 | 626 |
case DataLayout::ret_data_tag: |
3696 | 627 |
return new RetData(this); |
1 | 628 |
case DataLayout::branch_data_tag: |
3696 | 629 |
return new BranchData(this); |
1 | 630 |
case DataLayout::multi_branch_data_tag: |
3696 | 631 |
return new MultiBranchData(this); |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
632 |
case DataLayout::arg_info_data_tag: |
3696 | 633 |
return new ArgInfoData(this); |
1 | 634 |
}; |
635 |
} |
|
636 |
||
637 |
// Iteration over data. |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
638 |
ProfileData* MethodData::next_data(ProfileData* current) const { |
1 | 639 |
int current_index = dp_to_di(current->dp()); |
640 |
int next_index = current_index + current->size_in_bytes(); |
|
641 |
ProfileData* next = data_at(next_index); |
|
642 |
return next; |
|
643 |
} |
|
644 |
||
645 |
// Give each of the data entries a chance to perform specific |
|
646 |
// data initialization. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
647 |
void MethodData::post_initialize(BytecodeStream* stream) { |
1 | 648 |
ResourceMark rm; |
649 |
ProfileData* data; |
|
650 |
for (data = first_data(); is_valid(data); data = next_data(data)) { |
|
651 |
stream->set_start(data->bci()); |
|
652 |
stream->next(); |
|
653 |
data->post_initialize(stream, this); |
|
654 |
} |
|
655 |
} |
|
656 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
657 |
// Initialize the MethodData* corresponding to a given method. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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parents:
8334
diff
changeset
|
658 |
MethodData::MethodData(methodHandle method, int size, TRAPS) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
659 |
No_Safepoint_Verifier no_safepoint; // init function atomic wrt GC |
1 | 660 |
ResourceMark rm; |
661 |
// Set the method back-pointer. |
|
662 |
_method = method(); |
|
6453 | 663 |
|
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
664 |
init(); |
1 | 665 |
set_creation_mileage(mileage_of(method())); |
666 |
||
667 |
// Go through the bytecodes and allocate and initialize the |
|
668 |
// corresponding data cells. |
|
669 |
int data_size = 0; |
|
670 |
int empty_bc_count = 0; // number of bytecodes lacking data |
|
15928
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15437
diff
changeset
|
671 |
_data[0] = 0; // apparently not set below. |
1 | 672 |
BytecodeStream stream(method); |
673 |
Bytecodes::Code c; |
|
674 |
while ((c = stream.next()) >= 0) { |
|
675 |
int size_in_bytes = initialize_data(&stream, data_size); |
|
676 |
data_size += size_in_bytes; |
|
677 |
if (size_in_bytes == 0) empty_bc_count += 1; |
|
678 |
} |
|
679 |
_data_size = data_size; |
|
680 |
int object_size = in_bytes(data_offset()) + data_size; |
|
681 |
||
682 |
// Add some extra DataLayout cells (at least one) to track stray traps. |
|
683 |
int extra_data_count = compute_extra_data_count(data_size, empty_bc_count); |
|
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
684 |
int extra_size = extra_data_count * DataLayout::compute_size_in_bytes(0); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
685 |
|
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
686 |
// Add a cell to record information about modified arguments. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
687 |
// Set up _args_modified array after traps cells so that |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
688 |
// the code for traps cells works. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
689 |
DataLayout *dp = data_layout_at(data_size + extra_size); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
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diff
changeset
|
690 |
|
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
691 |
int arg_size = method->size_of_parameters(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
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parents:
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changeset
|
692 |
dp->initialize(DataLayout::arg_info_data_tag, 0, arg_size+1); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
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parents:
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|
693 |
|
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
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diff
changeset
|
694 |
object_size += extra_size + DataLayout::compute_size_in_bytes(arg_size+1); |
1 | 695 |
|
696 |
// Set an initial hint. Don't use set_hint_di() because |
|
697 |
// first_di() may be out of bounds if data_size is 0. |
|
698 |
// In that situation, _hint_di is never used, but at |
|
699 |
// least well-defined. |
|
700 |
_hint_di = first_di(); |
|
701 |
||
702 |
post_initialize(&stream); |
|
703 |
||
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|
704 |
set_size(object_size); |
16689
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|
705 |
} |
15928
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coleenp
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changeset
|
706 |
|
16689
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iignatyev
parents:
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diff
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|
707 |
void MethodData::init() { |
efce070b8d42
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parents:
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|
708 |
_invocation_counter.init(); |
efce070b8d42
8007288: Additional WB API for compiler's testing
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parents:
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changeset
|
709 |
_backedge_counter.init(); |
efce070b8d42
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iignatyev
parents:
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changeset
|
710 |
_invocation_counter_start = 0; |
efce070b8d42
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iignatyev
parents:
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diff
changeset
|
711 |
_backedge_counter_start = 0; |
efce070b8d42
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parents:
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diff
changeset
|
712 |
_num_loops = 0; |
efce070b8d42
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parents:
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diff
changeset
|
713 |
_num_blocks = 0; |
efce070b8d42
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parents:
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changeset
|
714 |
_highest_comp_level = 0; |
efce070b8d42
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parents:
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changeset
|
715 |
_highest_osr_comp_level = 0; |
efce070b8d42
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iignatyev
parents:
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|
716 |
_would_profile = true; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
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diff
changeset
|
717 |
|
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
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diff
changeset
|
718 |
// Initialize flags and trap history. |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
719 |
_nof_decompiles = 0; |
efce070b8d42
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iignatyev
parents:
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changeset
|
720 |
_nof_overflow_recompiles = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
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changeset
|
721 |
_nof_overflow_traps = 0; |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
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diff
changeset
|
722 |
clear_escape_info(); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
diff
changeset
|
723 |
assert(sizeof(_trap_hist) % sizeof(HeapWord) == 0, "align"); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
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diff
changeset
|
724 |
Copy::zero_to_words((HeapWord*) &_trap_hist, |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
16611
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changeset
|
725 |
sizeof(_trap_hist) / sizeof(HeapWord)); |
1 | 726 |
} |
727 |
||
728 |
// Get a measure of how much mileage the method has on it. |
|
13728
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changeset
|
729 |
int MethodData::mileage_of(Method* method) { |
1 | 730 |
int mileage = 0; |
6453 | 731 |
if (TieredCompilation) { |
732 |
mileage = MAX2(method->invocation_count(), method->backedge_count()); |
|
733 |
} else { |
|
734 |
int iic = method->interpreter_invocation_count(); |
|
735 |
if (mileage < iic) mileage = iic; |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
736 |
MethodCounters* mcs = method->method_counters(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
737 |
if (mcs != NULL) { |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
738 |
InvocationCounter* ic = mcs->invocation_counter(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
739 |
InvocationCounter* bc = mcs->backedge_counter(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
740 |
int icval = ic->count(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
741 |
if (ic->carry()) icval += CompileThreshold; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
742 |
if (mileage < icval) mileage = icval; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
743 |
int bcval = bc->count(); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
744 |
if (bc->carry()) bcval += CompileThreshold; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
745 |
if (mileage < bcval) mileage = bcval; |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16611
diff
changeset
|
746 |
} |
6453 | 747 |
} |
1 | 748 |
return mileage; |
749 |
} |
|
750 |
||
13728
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coleenp
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8334
diff
changeset
|
751 |
bool MethodData::is_mature() const { |
6453 | 752 |
return CompilationPolicy::policy()->is_mature(_method); |
1 | 753 |
} |
754 |
||
755 |
// Translate a bci to its corresponding data index (di). |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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8334
diff
changeset
|
756 |
address MethodData::bci_to_dp(int bci) { |
1 | 757 |
ResourceMark rm; |
758 |
ProfileData* data = data_before(bci); |
|
759 |
ProfileData* prev = NULL; |
|
760 |
for ( ; is_valid(data); data = next_data(data)) { |
|
761 |
if (data->bci() >= bci) { |
|
762 |
if (data->bci() == bci) set_hint_di(dp_to_di(data->dp())); |
|
763 |
else if (prev != NULL) set_hint_di(dp_to_di(prev->dp())); |
|
764 |
return data->dp(); |
|
765 |
} |
|
766 |
prev = data; |
|
767 |
} |
|
768 |
return (address)limit_data_position(); |
|
769 |
} |
|
770 |
||
771 |
// Translate a bci to its corresponding data, or NULL. |
|
13728
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coleenp
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8334
diff
changeset
|
772 |
ProfileData* MethodData::bci_to_data(int bci) { |
1 | 773 |
ProfileData* data = data_before(bci); |
774 |
for ( ; is_valid(data); data = next_data(data)) { |
|
775 |
if (data->bci() == bci) { |
|
776 |
set_hint_di(dp_to_di(data->dp())); |
|
777 |
return data; |
|
778 |
} else if (data->bci() > bci) { |
|
779 |
break; |
|
780 |
} |
|
781 |
} |
|
782 |
return bci_to_extra_data(bci, false); |
|
783 |
} |
|
784 |
||
785 |
// Translate a bci to its corresponding extra data, or NULL. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
786 |
ProfileData* MethodData::bci_to_extra_data(int bci, bool create_if_missing) { |
1 | 787 |
DataLayout* dp = extra_data_base(); |
788 |
DataLayout* end = extra_data_limit(); |
|
789 |
DataLayout* avail = NULL; |
|
790 |
for (; dp < end; dp = next_extra(dp)) { |
|
791 |
// No need for "OrderAccess::load_acquire" ops, |
|
792 |
// since the data structure is monotonic. |
|
793 |
if (dp->tag() == DataLayout::no_tag) break; |
|
218
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changeset
|
794 |
if (dp->tag() == DataLayout::arg_info_data_tag) { |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
795 |
dp = end; // ArgInfoData is at the end of extra data section. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
796 |
break; |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
797 |
} |
1 | 798 |
if (dp->bci() == bci) { |
799 |
assert(dp->tag() == DataLayout::bit_data_tag, "sane"); |
|
800 |
return new BitData(dp); |
|
801 |
} |
|
802 |
} |
|
803 |
if (create_if_missing && dp < end) { |
|
804 |
// Allocate this one. There is no mutual exclusion, |
|
805 |
// so two threads could allocate different BCIs to the |
|
806 |
// same data layout. This means these extra data |
|
807 |
// records, like most other MDO contents, must not be |
|
808 |
// trusted too much. |
|
809 |
DataLayout temp; |
|
810 |
temp.initialize(DataLayout::bit_data_tag, bci, 0); |
|
811 |
dp->release_set_header(temp.header()); |
|
812 |
assert(dp->tag() == DataLayout::bit_data_tag, "sane"); |
|
813 |
//NO: assert(dp->bci() == bci, "no concurrent allocation"); |
|
814 |
return new BitData(dp); |
|
815 |
} |
|
816 |
return NULL; |
|
817 |
} |
|
818 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
819 |
ArgInfoData *MethodData::arg_info() { |
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
820 |
DataLayout* dp = extra_data_base(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
821 |
DataLayout* end = extra_data_limit(); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
822 |
for (; dp < end; dp = next_extra(dp)) { |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
823 |
if (dp->tag() == DataLayout::arg_info_data_tag) |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
824 |
return new ArgInfoData(dp); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
825 |
} |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
826 |
return NULL; |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
827 |
} |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
828 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
829 |
// Printing |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
830 |
|
1 | 831 |
#ifndef PRODUCT |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
832 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
833 |
void MethodData::print_on(outputStream* st) const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
834 |
assert(is_methodData(), "should be method data"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
835 |
st->print("method data for "); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
836 |
method()->print_value_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
837 |
st->cr(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
838 |
print_data_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
839 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
840 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
841 |
#endif //PRODUCT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
842 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
843 |
void MethodData::print_value_on(outputStream* st) const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
844 |
assert(is_methodData(), "should be method data"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
845 |
st->print("method data for "); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
846 |
method()->print_value_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
847 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
848 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
849 |
#ifndef PRODUCT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
850 |
void MethodData::print_data_on(outputStream* st) const { |
1 | 851 |
ResourceMark rm; |
852 |
ProfileData* data = first_data(); |
|
853 |
for ( ; is_valid(data); data = next_data(data)) { |
|
854 |
st->print("%d", dp_to_di(data->dp())); |
|
855 |
st->fill_to(6); |
|
856 |
data->print_data_on(st); |
|
857 |
} |
|
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
858 |
st->print_cr("--- Extra data:"); |
1 | 859 |
DataLayout* dp = extra_data_base(); |
860 |
DataLayout* end = extra_data_limit(); |
|
861 |
for (; dp < end; dp = next_extra(dp)) { |
|
862 |
// No need for "OrderAccess::load_acquire" ops, |
|
863 |
// since the data structure is monotonic. |
|
218
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
864 |
if (dp->tag() == DataLayout::no_tag) continue; |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
865 |
if (dp->tag() == DataLayout::bit_data_tag) { |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
866 |
data = new BitData(dp); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
867 |
} else { |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
868 |
assert(dp->tag() == DataLayout::arg_info_data_tag, "must be BitData or ArgInfo"); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
869 |
data = new ArgInfoData(dp); |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
870 |
dp = end; // ArgInfoData is at the end of extra data section. |
a0e996680b05
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
1
diff
changeset
|
871 |
} |
1 | 872 |
st->print("%d", dp_to_di(data->dp())); |
873 |
st->fill_to(6); |
|
874 |
data->print_data_on(st); |
|
875 |
} |
|
876 |
} |
|
877 |
#endif |
|
878 |
||
15437 | 879 |
#if INCLUDE_SERVICES |
880 |
// Size Statistics |
|
881 |
void MethodData::collect_statistics(KlassSizeStats *sz) const { |
|
882 |
int n = sz->count(this); |
|
883 |
sz->_method_data_bytes += n; |
|
884 |
sz->_method_all_bytes += n; |
|
885 |
sz->_rw_bytes += n; |
|
886 |
} |
|
887 |
#endif // INCLUDE_SERVICES |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
888 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
889 |
// Verification |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
890 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
891 |
void MethodData::verify_on(outputStream* st) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
892 |
guarantee(is_methodData(), "object must be method data"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
893 |
// guarantee(m->is_perm(), "should be in permspace"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
894 |
this->verify_data_on(st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
895 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
896 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
8334
diff
changeset
|
897 |
void MethodData::verify_data_on(outputStream* st) { |
1 | 898 |
NEEDS_CLEANUP; |
899 |
// not yet implemented. |
|
900 |
} |