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src/share/vm/compiler/compileBroker.hpp@f95d63e2154a (annotated)

src/share/vm/compiler/compileBroker.hpp

Tue, 23 Nov 2010 13:22:55 -0800

author

stefank

date

Tue, 23 Nov 2010 13:22:55 -0800

changeset 2314

f95d63e2154a

parent 2138

d5d065957597

child 2687

3d58a4983660

permissions

-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435	1	/*
iveresov@2138	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	#ifndef SHARE_VM_COMPILER_COMPILEBROKER_HPP
stefank@2314	26	#define SHARE_VM_COMPILER_COMPILEBROKER_HPP
stefank@2314	27
stefank@2314	28	#include "ci/compilerInterface.hpp"
stefank@2314	29	#include "compiler/abstractCompiler.hpp"
stefank@2314	30	#include "runtime/perfData.hpp"
stefank@2314	31
duke@435	32	class nmethod;
duke@435	33	class nmethodLocker;
duke@435	34
duke@435	35	// CompileTask
duke@435	36	//
duke@435	37	// An entry in the compile queue. It represents a pending or current
duke@435	38	// compilation.
duke@435	39	class CompileTask : public CHeapObj {
duke@435	40	private:
duke@435	41	Monitor* _lock;
duke@435	42	uint _compile_id;
duke@435	43	jobject _method;
duke@435	44	int _osr_bci;
duke@435	45	bool _is_complete;
duke@435	46	bool _is_success;
duke@435	47	bool _is_blocking;
duke@435	48	int _comp_level;
duke@435	49	int _num_inlined_bytecodes;
duke@435	50	nmethodLocker* _code_handle; // holder of eventual result
iveresov@2138	51	CompileTask* _next, *_prev;
duke@435	52
duke@435	53	// Fields used for logging why the compilation was initiated:
duke@435	54	jlong _time_queued; // in units of os::elapsed_counter()
duke@435	55	jobject _hot_method; // which method actually triggered this task
duke@435	56	int _hot_count; // information about its invocation counter
duke@435	57	const char* _comment; // more info about the task
duke@435	58
iveresov@2138	59	void print_compilation(outputStream *st, methodOop method, char* method_name);
duke@435	60	public:
duke@435	61	CompileTask() {
duke@435	62	_lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock");
duke@435	63	}
duke@435	64
duke@435	65	void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level,
duke@435	66	methodHandle hot_method, int hot_count, const char* comment,
duke@435	67	bool is_blocking);
duke@435	68
duke@435	69	void free();
duke@435	70
duke@435	71	int compile_id() const { return _compile_id; }
duke@435	72	jobject method_handle() const { return _method; }
duke@435	73	int osr_bci() const { return _osr_bci; }
duke@435	74	bool is_complete() const { return _is_complete; }
duke@435	75	bool is_blocking() const { return _is_blocking; }
duke@435	76	bool is_success() const { return _is_success; }
duke@435	77
duke@435	78	nmethodLocker* code_handle() const { return _code_handle; }
duke@435	79	void set_code_handle(nmethodLocker* l) { _code_handle = l; }
duke@435	80	nmethod* code() const; // _code_handle->code()
duke@435	81	void set_code(nmethod* nm); // _code_handle->set_code(nm)
duke@435	82
duke@435	83	Monitor* lock() const { return _lock; }
duke@435	84
duke@435	85	void mark_complete() { _is_complete = true; }
duke@435	86	void mark_success() { _is_success = true; }
duke@435	87
duke@435	88	int comp_level() { return _comp_level;}
duke@435	89	void set_comp_level(int comp_level) { _comp_level = comp_level;}
duke@435	90
duke@435	91	int num_inlined_bytecodes() const { return _num_inlined_bytecodes; }
duke@435	92	void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; }
duke@435	93
duke@435	94	CompileTask* next() const { return _next; }
duke@435	95	void set_next(CompileTask* next) { _next = next; }
iveresov@2138	96	CompileTask* prev() const { return _prev; }
iveresov@2138	97	void set_prev(CompileTask* prev) { _prev = prev; }
duke@435	98
duke@435	99	void print();
duke@435	100	void print_line();
iveresov@2138	101
duke@435	102	void print_line_on_error(outputStream* st, char* buf, int buflen);
duke@435	103	void log_task(xmlStream* log);
duke@435	104	void log_task_queued();
duke@435	105	void log_task_start(CompileLog* log);
duke@435	106	void log_task_done(CompileLog* log);
duke@435	107	};
duke@435	108
duke@435	109	// CompilerCounters
duke@435	110	//
duke@435	111	// Per Compiler Performance Counters.
duke@435	112	//
duke@435	113	class CompilerCounters : public CHeapObj {
duke@435	114
duke@435	115	public:
duke@435	116	enum {
duke@435	117	cmname_buffer_length = 160
duke@435	118	};
duke@435	119
duke@435	120	private:
duke@435	121
duke@435	122	char _current_method[cmname_buffer_length];
duke@435	123	PerfStringVariable* _perf_current_method;
duke@435	124
duke@435	125	int _compile_type;
duke@435	126	PerfVariable* _perf_compile_type;
duke@435	127
duke@435	128	PerfCounter* _perf_time;
duke@435	129	PerfCounter* _perf_compiles;
duke@435	130
duke@435	131	public:
duke@435	132	CompilerCounters(const char* name, int instance, TRAPS);
duke@435	133
duke@435	134	// these methods should be called in a thread safe context
duke@435	135
duke@435	136	void set_current_method(const char* method) {
duke@435	137	strncpy(_current_method, method, (size_t)cmname_buffer_length);
duke@435	138	if (UsePerfData) _perf_current_method->set_value(method);
duke@435	139	}
duke@435	140
duke@435	141	char* current_method() { return _current_method; }
duke@435	142
duke@435	143	void set_compile_type(int compile_type) {
duke@435	144	_compile_type = compile_type;
duke@435	145	if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type);
duke@435	146	}
duke@435	147
duke@435	148	int compile_type() { return _compile_type; }
duke@435	149
duke@435	150	PerfCounter* time_counter() { return _perf_time; }
duke@435	151	PerfCounter* compile_counter() { return _perf_compiles; }
duke@435	152	};
duke@435	153
duke@435	154	// CompileQueue
duke@435	155	//
duke@435	156	// A list of CompileTasks.
duke@435	157	class CompileQueue : public CHeapObj {
duke@435	158	private:
duke@435	159	const char* _name;
duke@435	160	Monitor* _lock;
duke@435	161
duke@435	162	CompileTask* _first;
duke@435	163	CompileTask* _last;
duke@435	164
iveresov@2138	165	int _size;
duke@435	166	public:
duke@435	167	CompileQueue(const char* name, Monitor* lock) {
duke@435	168	_name = name;
duke@435	169	_lock = lock;
duke@435	170	_first = NULL;
duke@435	171	_last = NULL;
iveresov@2138	172	_size = 0;
duke@435	173	}
duke@435	174
duke@435	175	const char* name() const { return _name; }
duke@435	176	Monitor* lock() const { return _lock; }
duke@435	177
duke@435	178	void add(CompileTask* task);
iveresov@2138	179	void remove(CompileTask* task);
iveresov@2138	180	CompileTask* first() { return _first; }
iveresov@2138	181	CompileTask* last() { return _last; }
duke@435	182
duke@435	183	CompileTask* get();
duke@435	184
duke@435	185	bool is_empty() const { return _first == NULL; }
iveresov@2138	186	int size() const { return _size; }
duke@435	187
duke@435	188	void print();
duke@435	189	};
duke@435	190
iveresov@2138	191	// CompileTaskWrapper
iveresov@2138	192	//
iveresov@2138	193	// Assign this task to the current thread. Deallocate the task
iveresov@2138	194	// when the compilation is complete.
iveresov@2138	195	class CompileTaskWrapper : StackObj {
iveresov@2138	196	public:
iveresov@2138	197	CompileTaskWrapper(CompileTask* task);
iveresov@2138	198	~CompileTaskWrapper();
iveresov@2138	199	};
iveresov@2138	200
duke@435	201
duke@435	202	// Compilation
duke@435	203	//
duke@435	204	// The broker for all compilation requests.
duke@435	205	class CompileBroker: AllStatic {
duke@435	206	friend class Threads;
duke@435	207	friend class CompileTaskWrapper;
duke@435	208
duke@435	209	public:
duke@435	210	enum {
duke@435	211	name_buffer_length = 100
duke@435	212	};
duke@435	213
duke@435	214	// Compile type Information for print_last_compile() and CompilerCounters
duke@435	215	enum { no_compile, normal_compile, osr_compile, native_compile };
duke@435	216
duke@435	217	private:
duke@435	218	static bool _initialized;
duke@435	219	static volatile bool _should_block;
duke@435	220
kvn@1637	221	// This flag can be used to stop compilation or turn it back on
kvn@1637	222	static volatile jint _should_compile_new_jobs;
kvn@1637	223
duke@435	224	// The installed compiler(s)
duke@435	225	static AbstractCompiler* _compilers[2];
duke@435	226
duke@435	227	// These counters are used for assigning id's to each compilation
duke@435	228	static uint _compilation_id;
duke@435	229	static uint _osr_compilation_id;
duke@435	230	static uint _native_compilation_id;
duke@435	231
duke@435	232	static int _last_compile_type;
duke@435	233	static int _last_compile_level;
duke@435	234	static char _last_method_compiled[name_buffer_length];
duke@435	235
iveresov@2138	236	static CompileQueue* _c2_method_queue;
iveresov@2138	237	static CompileQueue* _c1_method_queue;
duke@435	238	static CompileTask* _task_free_list;
duke@435	239
duke@435	240	static GrowableArray<CompilerThread*>* _method_threads;
duke@435	241
duke@435	242	// performance counters
duke@435	243	static PerfCounter* _perf_total_compilation;
duke@435	244	static PerfCounter* _perf_native_compilation;
duke@435	245	static PerfCounter* _perf_osr_compilation;
duke@435	246	static PerfCounter* _perf_standard_compilation;
duke@435	247
duke@435	248	static PerfCounter* _perf_total_bailout_count;
duke@435	249	static PerfCounter* _perf_total_invalidated_count;
duke@435	250	static PerfCounter* _perf_total_compile_count;
duke@435	251	static PerfCounter* _perf_total_native_compile_count;
duke@435	252	static PerfCounter* _perf_total_osr_compile_count;
duke@435	253	static PerfCounter* _perf_total_standard_compile_count;
duke@435	254
duke@435	255	static PerfCounter* _perf_sum_osr_bytes_compiled;
duke@435	256	static PerfCounter* _perf_sum_standard_bytes_compiled;
duke@435	257	static PerfCounter* _perf_sum_nmethod_size;
duke@435	258	static PerfCounter* _perf_sum_nmethod_code_size;
duke@435	259
duke@435	260	static PerfStringVariable* _perf_last_method;
duke@435	261	static PerfStringVariable* _perf_last_failed_method;
duke@435	262	static PerfStringVariable* _perf_last_invalidated_method;
duke@435	263	static PerfVariable* _perf_last_compile_type;
duke@435	264	static PerfVariable* _perf_last_compile_size;
duke@435	265	static PerfVariable* _perf_last_failed_type;
duke@435	266	static PerfVariable* _perf_last_invalidated_type;
duke@435	267
duke@435	268	// Timers and counters for generating statistics
duke@435	269	static elapsedTimer _t_total_compilation;
duke@435	270	static elapsedTimer _t_osr_compilation;
duke@435	271	static elapsedTimer _t_standard_compilation;
duke@435	272
duke@435	273	static int _total_bailout_count;
duke@435	274	static int _total_invalidated_count;
duke@435	275	static int _total_compile_count;
duke@435	276	static int _total_native_compile_count;
duke@435	277	static int _total_osr_compile_count;
duke@435	278	static int _total_standard_compile_count;
duke@435	279
duke@435	280	static int _sum_osr_bytes_compiled;
duke@435	281	static int _sum_standard_bytes_compiled;
duke@435	282	static int _sum_nmethod_size;
duke@435	283	static int _sum_nmethod_code_size;
duke@435	284
duke@435	285	static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS);
iveresov@2138	286	static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count);
duke@435	287	static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level);
duke@435	288	static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level);
duke@435	289	static uint assign_compile_id (methodHandle method, int osr_bci);
duke@435	290	static bool is_compile_blocking (methodHandle method, int osr_bci);
duke@435	291	static void preload_classes (methodHandle method, TRAPS);
duke@435	292
duke@435	293	static CompileTask* create_compile_task(CompileQueue* queue,
duke@435	294	int compile_id,
duke@435	295	methodHandle method,
duke@435	296	int osr_bci,
duke@435	297	int comp_level,
duke@435	298	methodHandle hot_method,
duke@435	299	int hot_count,
duke@435	300	const char* comment,
duke@435	301	bool blocking);
duke@435	302	static CompileTask* allocate_task();
duke@435	303	static void free_task(CompileTask* task);
duke@435	304	static void wait_for_completion(CompileTask* task);
duke@435	305
duke@435	306	static void invoke_compiler_on_method(CompileTask* task);
duke@435	307	static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level);
duke@435	308	static void push_jni_handle_block();
duke@435	309	static void pop_jni_handle_block();
duke@435	310	static bool check_break_at(methodHandle method, int compile_id, bool is_osr);
duke@435	311	static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task);
duke@435	312
duke@435	313	static void compile_method_base(methodHandle method,
duke@435	314	int osr_bci,
duke@435	315	int comp_level,
duke@435	316	methodHandle hot_method,
duke@435	317	int hot_count,
duke@435	318	const char* comment,
duke@435	319	TRAPS);
iveresov@2138	320	static CompileQueue* compile_queue(int comp_level) {
iveresov@2138	321	if (is_c2_compile(comp_level)) return _c2_method_queue;
iveresov@2138	322	if (is_c1_compile(comp_level)) return _c1_method_queue;
iveresov@2138	323	return NULL;
iveresov@2138	324	}
duke@435	325	public:
duke@435	326	enum {
duke@435	327	// The entry bci used for non-OSR compilations.
duke@435	328	standard_entry_bci = InvocationEntryBci
duke@435	329	};
duke@435	330
iveresov@2138	331	static AbstractCompiler* compiler(int comp_level) {
iveresov@2138	332	if (is_c2_compile(comp_level)) return _compilers[1]; // C2
iveresov@2138	333	if (is_c1_compile(comp_level)) return _compilers[0]; // C1
iveresov@2138	334	return NULL;
duke@435	335	}
duke@435	336
iveresov@2138	337	static bool compilation_is_in_queue(methodHandle method, int osr_bci);
iveresov@2138	338	static int queue_size(int comp_level) {
iveresov@2138	339	CompileQueue *q = compile_queue(comp_level);
iveresov@2138	340	return q != NULL ? q->size() : 0;
iveresov@2138	341	}
duke@435	342	static void compilation_init();
duke@435	343	static void init_compiler_thread_log();
iveresov@2138	344	static nmethod* compile_method(methodHandle method,
iveresov@2138	345	int osr_bci,
iveresov@2138	346	int comp_level,
iveresov@2138	347	methodHandle hot_method,
iveresov@2138	348	int hot_count,
duke@435	349	const char* comment, TRAPS);
duke@435	350
duke@435	351	static void compiler_thread_loop();
duke@435	352
kvn@1637	353	static uint get_compilation_id() { return _compilation_id; }
duke@435	354	static bool is_idle();
duke@435	355
duke@435	356	// Set _should_block.
duke@435	357	// Call this from the VM, with Threads_lock held and a safepoint requested.
duke@435	358	static void set_should_block();
duke@435	359
duke@435	360	// Call this from the compiler at convenient points, to poll for _should_block.
duke@435	361	static void maybe_block();
duke@435	362
kvn@1637	363	enum {
kvn@1637	364	// Flags for toggling compiler activity
kvn@1637	365	stop_compilation = 0,
kvn@1637	366	run_compilation = 1
kvn@1637	367	};
kvn@1637	368
kvn@1637	369	static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); }
kvn@1637	370	static bool set_should_compile_new_jobs(jint new_state) {
kvn@1637	371	// Return success if the current caller set it
kvn@1637	372	jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state);
kvn@1637	373	return (old == (1-new_state));
kvn@1637	374	}
kvn@1637	375	static void handle_full_code_cache();
kvn@1637	376
duke@435	377	// Return total compilation ticks
duke@435	378	static jlong total_compilation_ticks() {
duke@435	379	return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0;
duke@435	380	}
duke@435	381
duke@435	382	// Print a detailed accounting of compilation time
duke@435	383	static void print_times();
duke@435	384
duke@435	385	// Debugging output for failure
duke@435	386	static void print_last_compile();
duke@435	387
duke@435	388	static void print_compiler_threads_on(outputStream* st);
duke@435	389	};
stefank@2314	390
stefank@2314	391	#endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP