Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/compileBroker.hpp @ 1904:cd4e20dc9917
Merge
| author | twisti |
|---|---|
| date | Wed, 20 Oct 2010 04:19:01 -0700 |
| parents | d5d065957597 |
| children | 2d26b0046e0d f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1783 | 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 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 | |
| 1783 | 44 CompileTask* _next, *_prev; |
| 0 | 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 | |
| 1783 | 52 void print_compilation(outputStream *st, methodOop method, char* method_name); |
| 0 | 53 public: |
| 54 CompileTask() { | |
| 55 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
| 56 } | |
| 57 | |
| 58 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
| 59 methodHandle hot_method, int hot_count, const char* comment, | |
| 60 bool is_blocking); | |
| 61 | |
| 62 void free(); | |
| 63 | |
| 64 int compile_id() const { return _compile_id; } | |
| 65 jobject method_handle() const { return _method; } | |
| 66 int osr_bci() const { return _osr_bci; } | |
| 67 bool is_complete() const { return _is_complete; } | |
| 68 bool is_blocking() const { return _is_blocking; } | |
| 69 bool is_success() const { return _is_success; } | |
| 70 | |
| 71 nmethodLocker* code_handle() const { return _code_handle; } | |
| 72 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
| 73 nmethod* code() const; // _code_handle->code() | |
| 74 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
| 75 | |
| 76 Monitor* lock() const { return _lock; } | |
| 77 | |
| 78 void mark_complete() { _is_complete = true; } | |
| 79 void mark_success() { _is_success = true; } | |
| 80 | |
| 81 int comp_level() { return _comp_level;} | |
| 82 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
| 83 | |
| 84 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
| 85 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
| 86 | |
| 87 CompileTask* next() const { return _next; } | |
| 88 void set_next(CompileTask* next) { _next = next; } | |
| 1783 | 89 CompileTask* prev() const { return _prev; } |
| 90 void set_prev(CompileTask* prev) { _prev = prev; } | |
| 0 | 91 |
| 92 void print(); | |
| 93 void print_line(); | |
| 1783 | 94 |
| 0 | 95 void print_line_on_error(outputStream* st, char* buf, int buflen); |
| 96 void log_task(xmlStream* log); | |
| 97 void log_task_queued(); | |
| 98 void log_task_start(CompileLog* log); | |
| 99 void log_task_done(CompileLog* log); | |
| 100 }; | |
| 101 | |
| 102 // CompilerCounters | |
| 103 // | |
| 104 // Per Compiler Performance Counters. | |
| 105 // | |
| 106 class CompilerCounters : public CHeapObj { | |
| 107 | |
| 108 public: | |
| 109 enum { | |
| 110 cmname_buffer_length = 160 | |
| 111 }; | |
| 112 | |
| 113 private: | |
| 114 | |
| 115 char _current_method[cmname_buffer_length]; | |
| 116 PerfStringVariable* _perf_current_method; | |
| 117 | |
| 118 int _compile_type; | |
| 119 PerfVariable* _perf_compile_type; | |
| 120 | |
| 121 PerfCounter* _perf_time; | |
| 122 PerfCounter* _perf_compiles; | |
| 123 | |
| 124 public: | |
| 125 CompilerCounters(const char* name, int instance, TRAPS); | |
| 126 | |
| 127 // these methods should be called in a thread safe context | |
| 128 | |
| 129 void set_current_method(const char* method) { | |
| 130 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
| 131 if (UsePerfData) _perf_current_method->set_value(method); | |
| 132 } | |
| 133 | |
| 134 char* current_method() { return _current_method; } | |
| 135 | |
| 136 void set_compile_type(int compile_type) { | |
| 137 _compile_type = compile_type; | |
| 138 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
| 139 } | |
| 140 | |
| 141 int compile_type() { return _compile_type; } | |
| 142 | |
| 143 PerfCounter* time_counter() { return _perf_time; } | |
| 144 PerfCounter* compile_counter() { return _perf_compiles; } | |
| 145 }; | |
| 146 | |
| 147 // CompileQueue | |
| 148 // | |
| 149 // A list of CompileTasks. | |
| 150 class CompileQueue : public CHeapObj { | |
| 151 private: | |
| 152 const char* _name; | |
| 153 Monitor* _lock; | |
| 154 | |
| 155 CompileTask* _first; | |
| 156 CompileTask* _last; | |
| 157 | |
| 1783 | 158 int _size; |
| 0 | 159 public: |
| 160 CompileQueue(const char* name, Monitor* lock) { | |
| 161 _name = name; | |
| 162 _lock = lock; | |
| 163 _first = NULL; | |
| 164 _last = NULL; | |
| 1783 | 165 _size = 0; |
| 0 | 166 } |
| 167 | |
| 168 const char* name() const { return _name; } | |
| 169 Monitor* lock() const { return _lock; } | |
| 170 | |
| 171 void add(CompileTask* task); | |
| 1783 | 172 void remove(CompileTask* task); |
| 173 CompileTask* first() { return _first; } | |
| 174 CompileTask* last() { return _last; } | |
| 0 | 175 |
| 176 CompileTask* get(); | |
| 177 | |
| 178 bool is_empty() const { return _first == NULL; } | |
| 1783 | 179 int size() const { return _size; } |
| 0 | 180 |
| 181 void print(); | |
| 182 }; | |
| 183 | |
| 1783 | 184 // CompileTaskWrapper |
| 185 // | |
| 186 // Assign this task to the current thread. Deallocate the task | |
| 187 // when the compilation is complete. | |
| 188 class CompileTaskWrapper : StackObj { | |
| 189 public: | |
| 190 CompileTaskWrapper(CompileTask* task); | |
| 191 ~CompileTaskWrapper(); | |
| 192 }; | |
| 193 | |
| 0 | 194 |
| 195 // Compilation | |
| 196 // | |
| 197 // The broker for all compilation requests. | |
| 198 class CompileBroker: AllStatic { | |
| 199 friend class Threads; | |
| 200 friend class CompileTaskWrapper; | |
| 201 | |
| 202 public: | |
| 203 enum { | |
| 204 name_buffer_length = 100 | |
| 205 }; | |
| 206 | |
| 207 // Compile type Information for print_last_compile() and CompilerCounters | |
| 208 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
| 209 | |
| 210 private: | |
| 211 static bool _initialized; | |
| 212 static volatile bool _should_block; | |
| 213 | |
| 1202 | 214 // This flag can be used to stop compilation or turn it back on |
| 215 static volatile jint _should_compile_new_jobs; | |
| 216 | |
| 0 | 217 // The installed compiler(s) |
| 218 static AbstractCompiler* _compilers[2]; | |
| 219 | |
| 220 // These counters are used for assigning id's to each compilation | |
| 221 static uint _compilation_id; | |
| 222 static uint _osr_compilation_id; | |
| 223 static uint _native_compilation_id; | |
| 224 | |
| 225 static int _last_compile_type; | |
| 226 static int _last_compile_level; | |
| 227 static char _last_method_compiled[name_buffer_length]; | |
| 228 | |
| 1783 | 229 static CompileQueue* _c2_method_queue; |
| 230 static CompileQueue* _c1_method_queue; | |
| 0 | 231 static CompileTask* _task_free_list; |
| 232 | |
| 233 static GrowableArray<CompilerThread*>* _method_threads; | |
| 234 | |
| 235 // performance counters | |
| 236 static PerfCounter* _perf_total_compilation; | |
| 237 static PerfCounter* _perf_native_compilation; | |
| 238 static PerfCounter* _perf_osr_compilation; | |
| 239 static PerfCounter* _perf_standard_compilation; | |
| 240 | |
| 241 static PerfCounter* _perf_total_bailout_count; | |
| 242 static PerfCounter* _perf_total_invalidated_count; | |
| 243 static PerfCounter* _perf_total_compile_count; | |
| 244 static PerfCounter* _perf_total_native_compile_count; | |
| 245 static PerfCounter* _perf_total_osr_compile_count; | |
| 246 static PerfCounter* _perf_total_standard_compile_count; | |
| 247 | |
| 248 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
| 249 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
| 250 static PerfCounter* _perf_sum_nmethod_size; | |
| 251 static PerfCounter* _perf_sum_nmethod_code_size; | |
| 252 | |
| 253 static PerfStringVariable* _perf_last_method; | |
| 254 static PerfStringVariable* _perf_last_failed_method; | |
| 255 static PerfStringVariable* _perf_last_invalidated_method; | |
| 256 static PerfVariable* _perf_last_compile_type; | |
| 257 static PerfVariable* _perf_last_compile_size; | |
| 258 static PerfVariable* _perf_last_failed_type; | |
| 259 static PerfVariable* _perf_last_invalidated_type; | |
| 260 | |
| 261 // Timers and counters for generating statistics | |
| 262 static elapsedTimer _t_total_compilation; | |
| 263 static elapsedTimer _t_osr_compilation; | |
| 264 static elapsedTimer _t_standard_compilation; | |
| 265 | |
| 266 static int _total_bailout_count; | |
| 267 static int _total_invalidated_count; | |
| 268 static int _total_compile_count; | |
| 269 static int _total_native_compile_count; | |
| 270 static int _total_osr_compile_count; | |
| 271 static int _total_standard_compile_count; | |
| 272 | |
| 273 static int _sum_osr_bytes_compiled; | |
| 274 static int _sum_standard_bytes_compiled; | |
| 275 static int _sum_nmethod_size; | |
| 276 static int _sum_nmethod_code_size; | |
| 277 | |
| 278 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS); | |
| 1783 | 279 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
| 0 | 280 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
| 281 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
| 282 static uint assign_compile_id (methodHandle method, int osr_bci); | |
| 283 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
| 284 static void preload_classes (methodHandle method, TRAPS); | |
| 285 | |
| 286 static CompileTask* create_compile_task(CompileQueue* queue, | |
| 287 int compile_id, | |
| 288 methodHandle method, | |
| 289 int osr_bci, | |
| 290 int comp_level, | |
| 291 methodHandle hot_method, | |
| 292 int hot_count, | |
| 293 const char* comment, | |
| 294 bool blocking); | |
| 295 static CompileTask* allocate_task(); | |
| 296 static void free_task(CompileTask* task); | |
| 297 static void wait_for_completion(CompileTask* task); | |
| 298 | |
| 299 static void invoke_compiler_on_method(CompileTask* task); | |
| 300 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); | |
| 301 static void push_jni_handle_block(); | |
| 302 static void pop_jni_handle_block(); | |
| 303 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
| 304 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
| 305 | |
| 306 static void compile_method_base(methodHandle method, | |
| 307 int osr_bci, | |
| 308 int comp_level, | |
| 309 methodHandle hot_method, | |
| 310 int hot_count, | |
| 311 const char* comment, | |
| 312 TRAPS); | |
| 1783 | 313 static CompileQueue* compile_queue(int comp_level) { |
| 314 if (is_c2_compile(comp_level)) return _c2_method_queue; | |
| 315 if (is_c1_compile(comp_level)) return _c1_method_queue; | |
| 316 return NULL; | |
| 317 } | |
| 0 | 318 public: |
| 319 enum { | |
| 320 // The entry bci used for non-OSR compilations. | |
| 321 standard_entry_bci = InvocationEntryBci | |
| 322 }; | |
| 323 | |
| 1783 | 324 static AbstractCompiler* compiler(int comp_level) { |
| 325 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
| 326 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
| 327 return NULL; | |
| 0 | 328 } |
| 329 | |
| 1783 | 330 static bool compilation_is_in_queue(methodHandle method, int osr_bci); |
| 331 static int queue_size(int comp_level) { | |
| 332 CompileQueue *q = compile_queue(comp_level); | |
| 333 return q != NULL ? q->size() : 0; | |
| 334 } | |
| 0 | 335 static void compilation_init(); |
| 336 static void init_compiler_thread_log(); | |
| 1783 | 337 static nmethod* compile_method(methodHandle method, |
| 338 int osr_bci, | |
| 339 int comp_level, | |
| 340 methodHandle hot_method, | |
| 341 int hot_count, | |
| 0 | 342 const char* comment, TRAPS); |
| 343 | |
| 344 static void compiler_thread_loop(); | |
| 345 | |
| 1202 | 346 static uint get_compilation_id() { return _compilation_id; } |
| 0 | 347 static bool is_idle(); |
| 348 | |
| 349 // Set _should_block. | |
| 350 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 351 static void set_should_block(); | |
| 352 | |
| 353 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 354 static void maybe_block(); | |
| 355 | |
| 1202 | 356 enum { |
| 357 // Flags for toggling compiler activity | |
| 358 stop_compilation = 0, | |
| 359 run_compilation = 1 | |
| 360 }; | |
| 361 | |
| 362 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
| 363 static bool set_should_compile_new_jobs(jint new_state) { | |
| 364 // Return success if the current caller set it | |
| 365 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
| 366 return (old == (1-new_state)); | |
| 367 } | |
| 368 static void handle_full_code_cache(); | |
| 369 | |
| 0 | 370 // Return total compilation ticks |
| 371 static jlong total_compilation_ticks() { | |
| 372 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
| 373 } | |
| 374 | |
| 375 // Print a detailed accounting of compilation time | |
| 376 static void print_times(); | |
| 377 | |
| 378 // Debugging output for failure | |
| 379 static void print_last_compile(); | |
| 380 | |
| 381 static void print_compiler_threads_on(outputStream* st); | |
| 382 }; |