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src/share/vm/c1/c1_Compiler.cpp@d2a62e0f25eb (annotated)

src/share/vm/c1/c1_Compiler.cpp

Thu, 28 Jun 2012 17:03:16 -0400

author

zgu

date

Thu, 28 Jun 2012 17:03:16 -0400

changeset 3900

d2a62e0f25eb

parent 2314

f95d63e2154a

child 4153

b9a9ed0f8eeb

permissions

-rw-r--r--

6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "c1/c1_Compilation.hpp"
stefank@2314	27	#include "c1/c1_Compiler.hpp"
stefank@2314	28	#include "c1/c1_FrameMap.hpp"
stefank@2314	29	#include "c1/c1_GraphBuilder.hpp"
stefank@2314	30	#include "c1/c1_LinearScan.hpp"
stefank@2314	31	#include "c1/c1_MacroAssembler.hpp"
stefank@2314	32	#include "c1/c1_Runtime1.hpp"
stefank@2314	33	#include "c1/c1_ValueType.hpp"
stefank@2314	34	#include "compiler/compileBroker.hpp"
stefank@2314	35	#include "compiler/compilerOracle.hpp"
stefank@2314	36	#include "interpreter/linkResolver.hpp"
stefank@2314	37	#include "memory/allocation.hpp"
stefank@2314	38	#include "memory/allocation.inline.hpp"
stefank@2314	39	#include "memory/resourceArea.hpp"
stefank@2314	40	#include "prims/nativeLookup.hpp"
stefank@2314	41	#include "runtime/arguments.hpp"
stefank@2314	42	#include "runtime/interfaceSupport.hpp"
stefank@2314	43	#include "runtime/sharedRuntime.hpp"
duke@435	44
duke@435	45	volatile int Compiler::_runtimes = uninitialized;
duke@435	46
duke@435	47	Compiler::Compiler() {
duke@435	48	}
duke@435	49
duke@435	50
duke@435	51	Compiler::~Compiler() {
duke@435	52	Unimplemented();
duke@435	53	}
duke@435	54
duke@435	55
iveresov@1939	56	void Compiler::initialize_all() {
iveresov@1939	57	BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
zgu@3900	58	Arena* arena = new (mtCompiler) Arena();
iveresov@1939	59	Runtime1::initialize(buffer_blob);
iveresov@1939	60	FrameMap::initialize();
iveresov@1939	61	// initialize data structures
iveresov@1939	62	ValueType::initialize(arena);
iveresov@1939	63	// Instruction::initialize();
iveresov@1939	64	// BlockBegin::initialize();
iveresov@1939	65	GraphBuilder::initialize();
iveresov@1939	66	// note: to use more than one instance of LinearScan at a time this function call has to
iveresov@1939	67	// be moved somewhere outside of this constructor:
iveresov@1939	68	Interval::initialize(arena);
iveresov@1939	69	}
iveresov@1939	70
iveresov@1939	71
duke@435	72	void Compiler::initialize() {
duke@435	73	if (_runtimes != initialized) {
iveresov@1939	74	initialize_runtimes( initialize_all, &_runtimes);
duke@435	75	}
duke@435	76	mark_initialized();
duke@435	77	}
duke@435	78
duke@435	79
iveresov@1939	80	BufferBlob* Compiler::build_buffer_blob() {
iveresov@1939	81	// setup CodeBuffer. Preallocate a BufferBlob of size
iveresov@1939	82	// NMethodSizeLimit plus some extra space for constants.
iveresov@1939	83	int code_buffer_size = Compilation::desired_max_code_buffer_size() +
iveresov@1939	84	Compilation::desired_max_constant_size();
iveresov@1939	85	BufferBlob* blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
iveresov@1939	86	code_buffer_size);
iveresov@1939	87	guarantee(blob != NULL, "must create initial code buffer");
iveresov@1939	88	return blob;
iveresov@1939	89	}
iveresov@1939	90
iveresov@1939	91
duke@435	92	void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
iveresov@1939	93	// Allocate buffer blob once at startup since allocation for each
iveresov@1939	94	// compilation seems to be too expensive (at least on Intel win32).
iveresov@1939	95	BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
iveresov@1939	96	if (buffer_blob == NULL) {
iveresov@1939	97	buffer_blob = build_buffer_blob();
iveresov@1939	98	CompilerThread::current()->set_buffer_blob(buffer_blob);
iveresov@1939	99	}
duke@435	100
duke@435	101	if (!is_initialized()) {
duke@435	102	initialize();
duke@435	103	}
duke@435	104	// invoke compilation
duke@435	105	{
duke@435	106	// We are nested here because we need for the destructor
duke@435	107	// of Compilation to occur before we release the any
duke@435	108	// competing compiler thread
duke@435	109	ResourceMark rm;
iveresov@1939	110	Compilation c(this, env, method, entry_bci, buffer_blob);
duke@435	111	}
duke@435	112	}
duke@435	113
duke@435	114
duke@435	115	void Compiler::print_timers() {
duke@435	116	Compilation::print_timers();
duke@435	117	}