Mercurial > hg > graal-compiler
comparison src/share/vm/compiler/compileBroker.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | 5f24d0319e54 |
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1 /* | |
2 * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 class nmethod; | |
26 class nmethodLocker; | |
27 | |
28 // CompileTask | |
29 // | |
30 // An entry in the compile queue. It represents a pending or current | |
31 // compilation. | |
32 class CompileTask : public CHeapObj { | |
33 private: | |
34 Monitor* _lock; | |
35 uint _compile_id; | |
36 jobject _method; | |
37 int _osr_bci; | |
38 bool _is_complete; | |
39 bool _is_success; | |
40 bool _is_blocking; | |
41 int _comp_level; | |
42 int _num_inlined_bytecodes; | |
43 nmethodLocker* _code_handle; // holder of eventual result | |
44 CompileTask* _next; | |
45 | |
46 // Fields used for logging why the compilation was initiated: | |
47 jlong _time_queued; // in units of os::elapsed_counter() | |
48 jobject _hot_method; // which method actually triggered this task | |
49 int _hot_count; // information about its invocation counter | |
50 const char* _comment; // more info about the task | |
51 | |
52 public: | |
53 CompileTask() { | |
54 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
55 } | |
56 | |
57 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
58 methodHandle hot_method, int hot_count, const char* comment, | |
59 bool is_blocking); | |
60 | |
61 void free(); | |
62 | |
63 int compile_id() const { return _compile_id; } | |
64 jobject method_handle() const { return _method; } | |
65 int osr_bci() const { return _osr_bci; } | |
66 bool is_complete() const { return _is_complete; } | |
67 bool is_blocking() const { return _is_blocking; } | |
68 bool is_success() const { return _is_success; } | |
69 | |
70 nmethodLocker* code_handle() const { return _code_handle; } | |
71 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
72 nmethod* code() const; // _code_handle->code() | |
73 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
74 | |
75 Monitor* lock() const { return _lock; } | |
76 | |
77 void mark_complete() { _is_complete = true; } | |
78 void mark_success() { _is_success = true; } | |
79 | |
80 int comp_level() { return _comp_level;} | |
81 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
82 | |
83 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
84 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
85 | |
86 CompileTask* next() const { return _next; } | |
87 void set_next(CompileTask* next) { _next = next; } | |
88 | |
89 void print(); | |
90 void print_line(); | |
91 void print_line_on_error(outputStream* st, char* buf, int buflen); | |
92 void log_task(xmlStream* log); | |
93 void log_task_queued(); | |
94 void log_task_start(CompileLog* log); | |
95 void log_task_done(CompileLog* log); | |
96 | |
97 }; | |
98 | |
99 // CompilerCounters | |
100 // | |
101 // Per Compiler Performance Counters. | |
102 // | |
103 class CompilerCounters : public CHeapObj { | |
104 | |
105 public: | |
106 enum { | |
107 cmname_buffer_length = 160 | |
108 }; | |
109 | |
110 private: | |
111 | |
112 char _current_method[cmname_buffer_length]; | |
113 PerfStringVariable* _perf_current_method; | |
114 | |
115 int _compile_type; | |
116 PerfVariable* _perf_compile_type; | |
117 | |
118 PerfCounter* _perf_time; | |
119 PerfCounter* _perf_compiles; | |
120 | |
121 public: | |
122 CompilerCounters(const char* name, int instance, TRAPS); | |
123 | |
124 // these methods should be called in a thread safe context | |
125 | |
126 void set_current_method(const char* method) { | |
127 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
128 if (UsePerfData) _perf_current_method->set_value(method); | |
129 } | |
130 | |
131 char* current_method() { return _current_method; } | |
132 | |
133 void set_compile_type(int compile_type) { | |
134 _compile_type = compile_type; | |
135 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
136 } | |
137 | |
138 int compile_type() { return _compile_type; } | |
139 | |
140 PerfCounter* time_counter() { return _perf_time; } | |
141 PerfCounter* compile_counter() { return _perf_compiles; } | |
142 }; | |
143 | |
144 | |
145 // CompileQueue | |
146 // | |
147 // A list of CompileTasks. | |
148 class CompileQueue : public CHeapObj { | |
149 private: | |
150 const char* _name; | |
151 Monitor* _lock; | |
152 | |
153 CompileTask* _first; | |
154 CompileTask* _last; | |
155 | |
156 public: | |
157 CompileQueue(const char* name, Monitor* lock) { | |
158 _name = name; | |
159 _lock = lock; | |
160 _first = NULL; | |
161 _last = NULL; | |
162 } | |
163 | |
164 const char* name() const { return _name; } | |
165 Monitor* lock() const { return _lock; } | |
166 | |
167 void add(CompileTask* task); | |
168 | |
169 CompileTask* get(); | |
170 | |
171 bool is_empty() const { return _first == NULL; } | |
172 | |
173 void print(); | |
174 }; | |
175 | |
176 | |
177 // Compilation | |
178 // | |
179 // The broker for all compilation requests. | |
180 class CompileBroker: AllStatic { | |
181 friend class Threads; | |
182 friend class CompileTaskWrapper; | |
183 | |
184 public: | |
185 enum { | |
186 name_buffer_length = 100 | |
187 }; | |
188 | |
189 // Compile type Information for print_last_compile() and CompilerCounters | |
190 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
191 | |
192 private: | |
193 static bool _initialized; | |
194 static volatile bool _should_block; | |
195 | |
196 // The installed compiler(s) | |
197 static AbstractCompiler* _compilers[2]; | |
198 | |
199 // These counters are used for assigning id's to each compilation | |
200 static uint _compilation_id; | |
201 static uint _osr_compilation_id; | |
202 static uint _native_compilation_id; | |
203 | |
204 static int _last_compile_type; | |
205 static int _last_compile_level; | |
206 static char _last_method_compiled[name_buffer_length]; | |
207 | |
208 static CompileQueue* _method_queue; | |
209 static CompileTask* _task_free_list; | |
210 | |
211 static GrowableArray<CompilerThread*>* _method_threads; | |
212 | |
213 // performance counters | |
214 static PerfCounter* _perf_total_compilation; | |
215 static PerfCounter* _perf_native_compilation; | |
216 static PerfCounter* _perf_osr_compilation; | |
217 static PerfCounter* _perf_standard_compilation; | |
218 | |
219 static PerfCounter* _perf_total_bailout_count; | |
220 static PerfCounter* _perf_total_invalidated_count; | |
221 static PerfCounter* _perf_total_compile_count; | |
222 static PerfCounter* _perf_total_native_compile_count; | |
223 static PerfCounter* _perf_total_osr_compile_count; | |
224 static PerfCounter* _perf_total_standard_compile_count; | |
225 | |
226 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
227 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
228 static PerfCounter* _perf_sum_nmethod_size; | |
229 static PerfCounter* _perf_sum_nmethod_code_size; | |
230 | |
231 static PerfStringVariable* _perf_last_method; | |
232 static PerfStringVariable* _perf_last_failed_method; | |
233 static PerfStringVariable* _perf_last_invalidated_method; | |
234 static PerfVariable* _perf_last_compile_type; | |
235 static PerfVariable* _perf_last_compile_size; | |
236 static PerfVariable* _perf_last_failed_type; | |
237 static PerfVariable* _perf_last_invalidated_type; | |
238 | |
239 // Timers and counters for generating statistics | |
240 static elapsedTimer _t_total_compilation; | |
241 static elapsedTimer _t_osr_compilation; | |
242 static elapsedTimer _t_standard_compilation; | |
243 | |
244 static int _total_bailout_count; | |
245 static int _total_invalidated_count; | |
246 static int _total_compile_count; | |
247 static int _total_native_compile_count; | |
248 static int _total_osr_compile_count; | |
249 static int _total_standard_compile_count; | |
250 | |
251 static int _sum_osr_bytes_compiled; | |
252 static int _sum_standard_bytes_compiled; | |
253 static int _sum_nmethod_size; | |
254 static int _sum_nmethod_code_size; | |
255 | |
256 static int compiler_count() { | |
257 return CICompilerCountPerCPU | |
258 // Example: if CICompilerCountPerCPU is true, then we get | |
259 // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine. | |
260 // May help big-app startup time. | |
261 ? (MAX2(log2_intptr(os::active_processor_count())-1,1)) | |
262 : CICompilerCount; | |
263 } | |
264 | |
265 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS); | |
266 static void init_compiler_threads(int compiler_count); | |
267 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); | |
268 static bool compilation_is_in_queue (methodHandle method, int osr_bci); | |
269 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
270 static uint assign_compile_id (methodHandle method, int osr_bci); | |
271 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
272 static void preload_classes (methodHandle method, TRAPS); | |
273 | |
274 static CompileTask* create_compile_task(CompileQueue* queue, | |
275 int compile_id, | |
276 methodHandle method, | |
277 int osr_bci, | |
278 int comp_level, | |
279 methodHandle hot_method, | |
280 int hot_count, | |
281 const char* comment, | |
282 bool blocking); | |
283 static CompileTask* allocate_task(); | |
284 static void free_task(CompileTask* task); | |
285 static void wait_for_completion(CompileTask* task); | |
286 | |
287 static void invoke_compiler_on_method(CompileTask* task); | |
288 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); | |
289 static void push_jni_handle_block(); | |
290 static void pop_jni_handle_block(); | |
291 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
292 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
293 | |
294 static void compile_method_base(methodHandle method, | |
295 int osr_bci, | |
296 int comp_level, | |
297 methodHandle hot_method, | |
298 int hot_count, | |
299 const char* comment, | |
300 TRAPS); | |
301 | |
302 public: | |
303 enum { | |
304 // The entry bci used for non-OSR compilations. | |
305 standard_entry_bci = InvocationEntryBci | |
306 }; | |
307 | |
308 static AbstractCompiler* compiler(int level ) { | |
309 if (level == CompLevel_fast_compile) return _compilers[0]; | |
310 assert(level == CompLevel_highest_tier, "what level?") | |
311 return _compilers[1]; | |
312 } | |
313 | |
314 static void compilation_init(); | |
315 static void init_compiler_thread_log(); | |
316 static nmethod* compile_method(methodHandle method, int osr_bci, | |
317 methodHandle hot_method, int hot_count, | |
318 const char* comment, TRAPS); | |
319 | |
320 static void compiler_thread_loop(); | |
321 | |
322 static bool is_idle(); | |
323 | |
324 // Set _should_block. | |
325 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
326 static void set_should_block(); | |
327 | |
328 // Call this from the compiler at convenient points, to poll for _should_block. | |
329 static void maybe_block(); | |
330 | |
331 // Return total compilation ticks | |
332 static jlong total_compilation_ticks() { | |
333 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
334 } | |
335 | |
336 // Print a detailed accounting of compilation time | |
337 static void print_times(); | |
338 | |
339 // Debugging output for failure | |
340 static void print_last_compile(); | |
341 | |
342 static void print_compiler_threads_on(outputStream* st); | |
343 }; |