Mercurial > hg > truffle
annotate src/share/vm/compiler/compileBroker.hpp @ 4970:33df1aeaebbf
Merge with http://hg.openjdk.java.net/hsx/hsx24/hotspot/
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Mon, 27 Feb 2012 13:10:13 +0100 |
| parents | 716a2c5c0656 aa3d708d67c4 |
| children | 957c266d8bc5 |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 1999, 2012, 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 | |
| 1972 | 25 #ifndef SHARE_VM_COMPILER_COMPILEBROKER_HPP |
| 26 #define SHARE_VM_COMPILER_COMPILEBROKER_HPP | |
| 27 | |
| 28 #include "ci/compilerInterface.hpp" | |
| 29 #include "compiler/abstractCompiler.hpp" | |
| 30 #include "runtime/perfData.hpp" | |
| 31 | |
| 0 | 32 class nmethod; |
| 33 class nmethodLocker; | |
| 34 | |
| 35 // CompileTask | |
| 36 // | |
| 37 // An entry in the compile queue. It represents a pending or current | |
| 38 // compilation. | |
| 39 class CompileTask : public CHeapObj { | |
| 3939 | 40 friend class VMStructs; |
| 41 | |
| 0 | 42 private: |
| 43 Monitor* _lock; | |
| 44 uint _compile_id; | |
| 45 jobject _method; | |
| 46 int _osr_bci; | |
| 47 bool _is_complete; | |
| 48 bool _is_success; | |
| 49 bool _is_blocking; | |
| 50 int _comp_level; | |
| 51 int _num_inlined_bytecodes; | |
| 52 nmethodLocker* _code_handle; // holder of eventual result | |
| 1783 | 53 CompileTask* _next, *_prev; |
| 0 | 54 |
| 55 // Fields used for logging why the compilation was initiated: | |
| 56 jlong _time_queued; // in units of os::elapsed_counter() | |
| 57 jobject _hot_method; // which method actually triggered this task | |
| 58 int _hot_count; // information about its invocation counter | |
| 59 const char* _comment; // more info about the task | |
| 60 | |
| 61 public: | |
| 62 CompileTask() { | |
| 63 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
| 64 } | |
| 65 | |
| 66 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
| 67 methodHandle hot_method, int hot_count, const char* comment, | |
| 68 bool is_blocking); | |
| 69 | |
| 70 void free(); | |
| 71 | |
| 72 int compile_id() const { return _compile_id; } | |
| 73 jobject method_handle() const { return _method; } | |
| 74 int osr_bci() const { return _osr_bci; } | |
| 75 bool is_complete() const { return _is_complete; } | |
| 76 bool is_blocking() const { return _is_blocking; } | |
| 77 bool is_success() const { return _is_success; } | |
| 78 | |
| 79 nmethodLocker* code_handle() const { return _code_handle; } | |
| 80 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
| 81 nmethod* code() const; // _code_handle->code() | |
| 82 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
| 83 | |
| 84 Monitor* lock() const { return _lock; } | |
| 85 | |
| 86 void mark_complete() { _is_complete = true; } | |
| 87 void mark_success() { _is_success = true; } | |
| 88 | |
| 89 int comp_level() { return _comp_level;} | |
| 90 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
| 91 | |
| 92 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
| 93 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
| 94 | |
| 95 CompileTask* next() const { return _next; } | |
| 96 void set_next(CompileTask* next) { _next = next; } | |
| 1783 | 97 CompileTask* prev() const { return _prev; } |
| 98 void set_prev(CompileTask* prev) { _prev = prev; } | |
| 0 | 99 |
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100 private: |
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101 static void print_compilation_impl(outputStream* st, methodOop method, int compile_id, int comp_level, |
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102 bool is_osr_method = false, int osr_bci = -1, bool is_blocking = false, |
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103 const char* msg = NULL, bool short_form = false); |
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104 |
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105 public: |
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106 void print_compilation(outputStream* st = tty, bool short_form = false); |
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107 static void print_compilation(outputStream* st, const nmethod* nm, const char* msg = NULL) { |
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108 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), |
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109 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /*is_blocking*/ false, |
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110 msg); |
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111 } |
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112 |
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113 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); |
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114 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { |
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115 print_inlining(tty, method, inline_level, bci, msg); |
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116 } |
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117 |
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118 static void print_inline_indent(int inline_level, outputStream* st = tty); |
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119 |
| 0 | 120 void print(); |
| 121 void print_line(); | |
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122 void print_line_on_error(outputStream* st, char* buf, int buflen); |
| 1783 | 123 |
| 0 | 124 void log_task(xmlStream* log); |
| 125 void log_task_queued(); | |
| 126 void log_task_start(CompileLog* log); | |
| 127 void log_task_done(CompileLog* log); | |
| 128 }; | |
| 129 | |
| 130 // CompilerCounters | |
| 131 // | |
| 132 // Per Compiler Performance Counters. | |
| 133 // | |
| 134 class CompilerCounters : public CHeapObj { | |
| 135 | |
| 136 public: | |
| 137 enum { | |
| 138 cmname_buffer_length = 160 | |
| 139 }; | |
| 140 | |
| 141 private: | |
| 142 | |
| 143 char _current_method[cmname_buffer_length]; | |
| 144 PerfStringVariable* _perf_current_method; | |
| 145 | |
| 146 int _compile_type; | |
| 147 PerfVariable* _perf_compile_type; | |
| 148 | |
| 149 PerfCounter* _perf_time; | |
| 150 PerfCounter* _perf_compiles; | |
| 151 | |
| 152 public: | |
| 153 CompilerCounters(const char* name, int instance, TRAPS); | |
| 154 | |
| 155 // these methods should be called in a thread safe context | |
| 156 | |
| 157 void set_current_method(const char* method) { | |
| 158 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
| 159 if (UsePerfData) _perf_current_method->set_value(method); | |
| 160 } | |
| 161 | |
| 162 char* current_method() { return _current_method; } | |
| 163 | |
| 164 void set_compile_type(int compile_type) { | |
| 165 _compile_type = compile_type; | |
| 166 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
| 167 } | |
| 168 | |
| 169 int compile_type() { return _compile_type; } | |
| 170 | |
| 171 PerfCounter* time_counter() { return _perf_time; } | |
| 172 PerfCounter* compile_counter() { return _perf_compiles; } | |
| 173 }; | |
| 174 | |
| 175 // CompileQueue | |
| 176 // | |
| 177 // A list of CompileTasks. | |
| 178 class CompileQueue : public CHeapObj { | |
| 179 private: | |
| 180 const char* _name; | |
| 181 Monitor* _lock; | |
| 182 | |
| 183 CompileTask* _first; | |
| 184 CompileTask* _last; | |
| 185 | |
| 1783 | 186 int _size; |
| 0 | 187 public: |
| 188 CompileQueue(const char* name, Monitor* lock) { | |
| 189 _name = name; | |
| 190 _lock = lock; | |
| 191 _first = NULL; | |
| 192 _last = NULL; | |
| 1783 | 193 _size = 0; |
| 0 | 194 } |
| 195 | |
| 196 const char* name() const { return _name; } | |
| 197 Monitor* lock() const { return _lock; } | |
| 198 | |
| 199 void add(CompileTask* task); | |
| 1783 | 200 void remove(CompileTask* task); |
| 201 CompileTask* first() { return _first; } | |
| 202 CompileTask* last() { return _last; } | |
| 0 | 203 |
| 204 CompileTask* get(); | |
| 205 | |
| 206 bool is_empty() const { return _first == NULL; } | |
| 1783 | 207 int size() const { return _size; } |
| 0 | 208 |
| 209 void print(); | |
| 210 }; | |
| 211 | |
| 1783 | 212 // CompileTaskWrapper |
| 213 // | |
| 214 // Assign this task to the current thread. Deallocate the task | |
| 215 // when the compilation is complete. | |
| 216 class CompileTaskWrapper : StackObj { | |
| 217 public: | |
| 218 CompileTaskWrapper(CompileTask* task); | |
| 219 ~CompileTaskWrapper(); | |
| 220 }; | |
| 221 | |
| 0 | 222 |
| 223 // Compilation | |
| 224 // | |
| 225 // The broker for all compilation requests. | |
| 226 class CompileBroker: AllStatic { | |
| 227 friend class Threads; | |
| 228 friend class CompileTaskWrapper; | |
| 229 | |
| 230 public: | |
| 231 enum { | |
| 232 name_buffer_length = 100 | |
| 233 }; | |
| 234 | |
| 235 // Compile type Information for print_last_compile() and CompilerCounters | |
| 236 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
| 237 | |
| 238 private: | |
| 239 static bool _initialized; | |
| 240 static volatile bool _should_block; | |
| 241 | |
| 1202 | 242 // This flag can be used to stop compilation or turn it back on |
| 243 static volatile jint _should_compile_new_jobs; | |
| 244 | |
| 0 | 245 // The installed compiler(s) |
| 246 static AbstractCompiler* _compilers[2]; | |
| 247 | |
| 248 // These counters are used for assigning id's to each compilation | |
| 249 static uint _compilation_id; | |
| 250 static uint _osr_compilation_id; | |
| 251 static uint _native_compilation_id; | |
| 252 | |
| 253 static int _last_compile_type; | |
| 254 static int _last_compile_level; | |
| 255 static char _last_method_compiled[name_buffer_length]; | |
| 256 | |
| 1783 | 257 static CompileQueue* _c2_method_queue; |
| 258 static CompileQueue* _c1_method_queue; | |
| 0 | 259 static CompileTask* _task_free_list; |
| 260 | |
| 261 static GrowableArray<CompilerThread*>* _method_threads; | |
| 262 | |
| 263 // performance counters | |
| 264 static PerfCounter* _perf_total_compilation; | |
| 265 static PerfCounter* _perf_native_compilation; | |
| 266 static PerfCounter* _perf_osr_compilation; | |
| 267 static PerfCounter* _perf_standard_compilation; | |
| 268 | |
| 269 static PerfCounter* _perf_total_bailout_count; | |
| 270 static PerfCounter* _perf_total_invalidated_count; | |
| 271 static PerfCounter* _perf_total_compile_count; | |
| 272 static PerfCounter* _perf_total_native_compile_count; | |
| 273 static PerfCounter* _perf_total_osr_compile_count; | |
| 274 static PerfCounter* _perf_total_standard_compile_count; | |
| 275 | |
| 276 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
| 277 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
| 278 static PerfCounter* _perf_sum_nmethod_size; | |
| 279 static PerfCounter* _perf_sum_nmethod_code_size; | |
| 280 | |
| 281 static PerfStringVariable* _perf_last_method; | |
| 282 static PerfStringVariable* _perf_last_failed_method; | |
| 283 static PerfStringVariable* _perf_last_invalidated_method; | |
| 284 static PerfVariable* _perf_last_compile_type; | |
| 285 static PerfVariable* _perf_last_compile_size; | |
| 286 static PerfVariable* _perf_last_failed_type; | |
| 287 static PerfVariable* _perf_last_invalidated_type; | |
| 288 | |
| 289 // Timers and counters for generating statistics | |
| 290 static elapsedTimer _t_total_compilation; | |
| 291 static elapsedTimer _t_osr_compilation; | |
| 292 static elapsedTimer _t_standard_compilation; | |
| 293 | |
| 294 static int _total_bailout_count; | |
| 295 static int _total_invalidated_count; | |
| 296 static int _total_compile_count; | |
| 297 static int _total_native_compile_count; | |
| 298 static int _total_osr_compile_count; | |
| 299 static int _total_standard_compile_count; | |
| 300 | |
| 301 static int _sum_osr_bytes_compiled; | |
| 302 static int _sum_standard_bytes_compiled; | |
| 303 static int _sum_nmethod_size; | |
| 304 static int _sum_nmethod_code_size; | |
| 305 | |
| 306 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS); | |
| 1783 | 307 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
| 0 | 308 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
| 309 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
| 310 static uint assign_compile_id (methodHandle method, int osr_bci); | |
| 311 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
| 312 static void preload_classes (methodHandle method, TRAPS); | |
| 313 | |
| 314 static CompileTask* create_compile_task(CompileQueue* queue, | |
| 315 int compile_id, | |
| 316 methodHandle method, | |
| 317 int osr_bci, | |
| 318 int comp_level, | |
| 319 methodHandle hot_method, | |
| 320 int hot_count, | |
| 321 const char* comment, | |
| 322 bool blocking); | |
| 323 static CompileTask* allocate_task(); | |
| 324 static void free_task(CompileTask* task); | |
| 325 static void wait_for_completion(CompileTask* task); | |
| 326 | |
| 327 static void invoke_compiler_on_method(CompileTask* task); | |
| 328 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); | |
| 329 static void push_jni_handle_block(); | |
| 330 static void pop_jni_handle_block(); | |
| 331 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
| 332 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
| 333 | |
| 334 static void compile_method_base(methodHandle method, | |
| 335 int osr_bci, | |
| 336 int comp_level, | |
| 337 methodHandle hot_method, | |
| 338 int hot_count, | |
| 339 const char* comment, | |
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340 Thread* thread); |
| 1783 | 341 static CompileQueue* compile_queue(int comp_level) { |
| 342 if (is_c2_compile(comp_level)) return _c2_method_queue; | |
| 343 if (is_c1_compile(comp_level)) return _c1_method_queue; | |
| 344 return NULL; | |
| 345 } | |
| 0 | 346 public: |
| 347 enum { | |
| 348 // The entry bci used for non-OSR compilations. | |
| 349 standard_entry_bci = InvocationEntryBci | |
| 350 }; | |
| 351 | |
| 1783 | 352 static AbstractCompiler* compiler(int comp_level) { |
| 353 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
| 354 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
| 355 return NULL; | |
| 0 | 356 } |
| 357 | |
| 1783 | 358 static bool compilation_is_in_queue(methodHandle method, int osr_bci); |
| 359 static int queue_size(int comp_level) { | |
| 360 CompileQueue *q = compile_queue(comp_level); | |
| 361 return q != NULL ? q->size() : 0; | |
| 362 } | |
| 0 | 363 static void compilation_init(); |
| 364 static void init_compiler_thread_log(); | |
| 1783 | 365 static nmethod* compile_method(methodHandle method, |
| 366 int osr_bci, | |
| 367 int comp_level, | |
| 368 methodHandle hot_method, | |
| 369 int hot_count, | |
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370 const char* comment, Thread* thread); |
| 0 | 371 |
| 372 static void compiler_thread_loop(); | |
| 373 | |
| 1202 | 374 static uint get_compilation_id() { return _compilation_id; } |
| 0 | 375 static bool is_idle(); |
| 376 | |
| 377 // Set _should_block. | |
| 378 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 379 static void set_should_block(); | |
| 380 | |
| 381 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 382 static void maybe_block(); | |
| 383 | |
| 1202 | 384 enum { |
| 385 // Flags for toggling compiler activity | |
| 386 stop_compilation = 0, | |
| 387 run_compilation = 1 | |
| 388 }; | |
| 389 | |
| 390 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
| 391 static bool set_should_compile_new_jobs(jint new_state) { | |
| 392 // Return success if the current caller set it | |
| 393 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
| 394 return (old == (1-new_state)); | |
| 395 } | |
| 396 static void handle_full_code_cache(); | |
| 397 | |
| 0 | 398 // Return total compilation ticks |
| 399 static jlong total_compilation_ticks() { | |
| 400 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
| 401 } | |
| 402 | |
| 403 // Print a detailed accounting of compilation time | |
| 404 static void print_times(); | |
| 405 | |
| 406 // Debugging output for failure | |
| 407 static void print_last_compile(); | |
| 408 | |
| 409 static void print_compiler_threads_on(outputStream* st); | |
| 410 }; | |
| 1972 | 411 |
| 412 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |