Mercurial > hg > truffle
annotate src/share/vm/compiler/compileBroker.hpp @ 19939:5119e7f07d93
Log dequeue of methods from CompileQueue
| author | Tom Rodriguez <tom.rodriguez@oracle.com> |
|---|---|
| date | Tue, 17 Mar 2015 19:21:22 -0700 |
| parents | 52b4284cb496 |
| children | 7848fc12602b |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 10405 | 2 * Copyright (c) 1999, 2013, 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" | |
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31 #include "trace/tracing.hpp" |
| 1972 | 32 |
| 0 | 33 class nmethod; |
| 34 class nmethodLocker; | |
| 35 | |
| 36 // CompileTask | |
| 37 // | |
| 38 // An entry in the compile queue. It represents a pending or current | |
| 39 // compilation. | |
| 6197 | 40 class CompileTask : public CHeapObj<mtCompiler> { |
| 3939 | 41 friend class VMStructs; |
| 42 | |
| 0 | 43 private: |
| 44 Monitor* _lock; | |
| 45 uint _compile_id; | |
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46 Method* _method; |
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47 jobject _method_holder; |
| 0 | 48 int _osr_bci; |
| 49 bool _is_complete; | |
| 50 bool _is_success; | |
| 51 bool _is_blocking; | |
| 52 int _comp_level; | |
| 53 int _num_inlined_bytecodes; | |
| 54 nmethodLocker* _code_handle; // holder of eventual result | |
| 1783 | 55 CompileTask* _next, *_prev; |
| 0 | 56 |
| 57 // Fields used for logging why the compilation was initiated: | |
| 58 jlong _time_queued; // in units of os::elapsed_counter() | |
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59 Method* _hot_method; // which method actually triggered this task |
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60 jobject _hot_method_holder; |
| 0 | 61 int _hot_count; // information about its invocation counter |
| 62 const char* _comment; // more info about the task | |
| 63 | |
| 64 public: | |
| 65 CompileTask() { | |
| 66 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
| 67 } | |
| 68 | |
| 69 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
| 70 methodHandle hot_method, int hot_count, const char* comment, | |
| 71 bool is_blocking); | |
| 72 | |
| 73 void free(); | |
| 74 | |
| 75 int compile_id() const { return _compile_id; } | |
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76 Method* method() const { return _method; } |
| 0 | 77 int osr_bci() const { return _osr_bci; } |
| 78 bool is_complete() const { return _is_complete; } | |
| 79 bool is_blocking() const { return _is_blocking; } | |
| 80 bool is_success() const { return _is_success; } | |
| 81 | |
| 82 nmethodLocker* code_handle() const { return _code_handle; } | |
| 83 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
| 84 nmethod* code() const; // _code_handle->code() | |
| 85 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
| 86 | |
| 87 Monitor* lock() const { return _lock; } | |
| 88 | |
| 89 void mark_complete() { _is_complete = true; } | |
| 90 void mark_success() { _is_success = true; } | |
| 91 | |
| 92 int comp_level() { return _comp_level;} | |
| 93 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
| 94 | |
| 95 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
| 96 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
| 97 | |
| 98 CompileTask* next() const { return _next; } | |
| 99 void set_next(CompileTask* next) { _next = next; } | |
| 1783 | 100 CompileTask* prev() const { return _prev; } |
| 101 void set_prev(CompileTask* prev) { _prev = prev; } | |
| 0 | 102 |
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103 private: |
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104 static void print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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105 bool is_osr_method = false, int osr_bci = -1, bool is_blocking = false, |
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106 const char* msg = NULL, bool short_form = false); |
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107 |
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108 public: |
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109 void print_compilation(outputStream* st = tty, const char* msg = NULL, bool short_form = false); |
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110 static void print_compilation(outputStream* st, const nmethod* nm, const char* msg = NULL, bool short_form = false) { |
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111 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), |
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112 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /*is_blocking*/ false, |
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113 msg, short_form); |
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114 } |
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115 |
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116 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); |
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117 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { |
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118 print_inlining(tty, method, inline_level, bci, msg); |
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119 } |
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120 |
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121 // Redefine Classes support |
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122 void mark_on_stack(); |
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123 |
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124 static void print_inline_indent(int inline_level, outputStream* st = tty); |
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125 |
| 0 | 126 void print(); |
| 127 void print_line(); | |
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128 void print_line_on_error(outputStream* st, char* buf, int buflen); |
| 1783 | 129 |
| 0 | 130 void log_task(xmlStream* log); |
| 131 void log_task_queued(); | |
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132 void log_task_dequeued(const char* comment); |
| 0 | 133 void log_task_start(CompileLog* log); |
| 134 void log_task_done(CompileLog* log); | |
| 135 }; | |
| 136 | |
| 137 // CompilerCounters | |
| 138 // | |
| 139 // Per Compiler Performance Counters. | |
| 140 // | |
| 6197 | 141 class CompilerCounters : public CHeapObj<mtCompiler> { |
| 0 | 142 |
| 143 public: | |
| 144 enum { | |
| 145 cmname_buffer_length = 160 | |
| 146 }; | |
| 147 | |
| 148 private: | |
| 149 | |
| 150 char _current_method[cmname_buffer_length]; | |
| 151 PerfStringVariable* _perf_current_method; | |
| 152 | |
| 153 int _compile_type; | |
| 154 PerfVariable* _perf_compile_type; | |
| 155 | |
| 156 PerfCounter* _perf_time; | |
| 157 PerfCounter* _perf_compiles; | |
| 158 | |
| 159 public: | |
| 160 CompilerCounters(const char* name, int instance, TRAPS); | |
| 161 | |
| 162 // these methods should be called in a thread safe context | |
| 163 | |
| 164 void set_current_method(const char* method) { | |
| 165 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
| 166 if (UsePerfData) _perf_current_method->set_value(method); | |
| 167 } | |
| 168 | |
| 169 char* current_method() { return _current_method; } | |
| 170 | |
| 171 void set_compile_type(int compile_type) { | |
| 172 _compile_type = compile_type; | |
| 173 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
| 174 } | |
| 175 | |
| 176 int compile_type() { return _compile_type; } | |
| 177 | |
| 178 PerfCounter* time_counter() { return _perf_time; } | |
| 179 PerfCounter* compile_counter() { return _perf_compiles; } | |
| 180 }; | |
| 181 | |
| 182 // CompileQueue | |
| 183 // | |
| 184 // A list of CompileTasks. | |
| 6197 | 185 class CompileQueue : public CHeapObj<mtCompiler> { |
| 0 | 186 private: |
| 187 const char* _name; | |
| 188 Monitor* _lock; | |
| 189 | |
| 190 CompileTask* _first; | |
| 191 CompileTask* _last; | |
| 192 | |
| 1783 | 193 int _size; |
| 0 | 194 public: |
| 195 CompileQueue(const char* name, Monitor* lock) { | |
| 196 _name = name; | |
| 197 _lock = lock; | |
| 198 _first = NULL; | |
| 199 _last = NULL; | |
| 1783 | 200 _size = 0; |
| 0 | 201 } |
| 202 | |
| 203 const char* name() const { return _name; } | |
| 204 Monitor* lock() const { return _lock; } | |
| 205 | |
| 206 void add(CompileTask* task); | |
| 1783 | 207 void remove(CompileTask* task); |
| 208 CompileTask* first() { return _first; } | |
| 209 CompileTask* last() { return _last; } | |
| 0 | 210 |
| 211 CompileTask* get(); | |
| 212 | |
| 213 bool is_empty() const { return _first == NULL; } | |
| 1783 | 214 int size() const { return _size; } |
| 0 | 215 |
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216 // Redefine Classes support |
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217 void mark_on_stack(); |
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218 void delete_all(); |
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219 void print(); |
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220 |
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221 ~CompileQueue() { |
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222 assert (is_empty(), " Compile Queue must be empty"); |
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223 } |
| 0 | 224 }; |
| 225 | |
| 1783 | 226 // CompileTaskWrapper |
| 227 // | |
| 228 // Assign this task to the current thread. Deallocate the task | |
| 229 // when the compilation is complete. | |
| 230 class CompileTaskWrapper : StackObj { | |
| 231 public: | |
| 232 CompileTaskWrapper(CompileTask* task); | |
| 233 ~CompileTaskWrapper(); | |
| 234 }; | |
| 235 | |
| 0 | 236 |
| 237 // Compilation | |
| 238 // | |
| 239 // The broker for all compilation requests. | |
| 240 class CompileBroker: AllStatic { | |
| 241 friend class Threads; | |
| 242 friend class CompileTaskWrapper; | |
| 243 | |
| 244 public: | |
| 245 enum { | |
| 246 name_buffer_length = 100 | |
| 247 }; | |
| 248 | |
| 249 // Compile type Information for print_last_compile() and CompilerCounters | |
| 250 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
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251 static int assign_compile_id (methodHandle method, int osr_bci); |
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252 |
| 0 | 253 |
| 254 private: | |
| 255 static bool _initialized; | |
| 256 static volatile bool _should_block; | |
| 257 | |
| 1202 | 258 // This flag can be used to stop compilation or turn it back on |
| 259 static volatile jint _should_compile_new_jobs; | |
| 260 | |
| 0 | 261 // The installed compiler(s) |
| 262 static AbstractCompiler* _compilers[2]; | |
| 263 | |
| 264 // These counters are used for assigning id's to each compilation | |
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265 static volatile jint _compilation_id; |
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266 static volatile jint _osr_compilation_id; |
| 0 | 267 |
| 268 static int _last_compile_type; | |
| 269 static int _last_compile_level; | |
| 270 static char _last_method_compiled[name_buffer_length]; | |
| 271 | |
| 1783 | 272 static CompileQueue* _c2_method_queue; |
| 273 static CompileQueue* _c1_method_queue; | |
| 0 | 274 static CompileTask* _task_free_list; |
| 275 | |
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276 static GrowableArray<CompilerThread*>* _compiler_threads; |
| 0 | 277 |
| 278 // performance counters | |
| 279 static PerfCounter* _perf_total_compilation; | |
| 280 static PerfCounter* _perf_native_compilation; | |
| 281 static PerfCounter* _perf_osr_compilation; | |
| 282 static PerfCounter* _perf_standard_compilation; | |
| 283 | |
| 284 static PerfCounter* _perf_total_bailout_count; | |
| 285 static PerfCounter* _perf_total_invalidated_count; | |
| 286 static PerfCounter* _perf_total_compile_count; | |
| 287 static PerfCounter* _perf_total_native_compile_count; | |
| 288 static PerfCounter* _perf_total_osr_compile_count; | |
| 289 static PerfCounter* _perf_total_standard_compile_count; | |
| 290 | |
| 291 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
| 292 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
| 293 static PerfCounter* _perf_sum_nmethod_size; | |
| 294 static PerfCounter* _perf_sum_nmethod_code_size; | |
| 295 | |
| 296 static PerfStringVariable* _perf_last_method; | |
| 297 static PerfStringVariable* _perf_last_failed_method; | |
| 298 static PerfStringVariable* _perf_last_invalidated_method; | |
| 299 static PerfVariable* _perf_last_compile_type; | |
| 300 static PerfVariable* _perf_last_compile_size; | |
| 301 static PerfVariable* _perf_last_failed_type; | |
| 302 static PerfVariable* _perf_last_invalidated_type; | |
| 303 | |
| 304 // Timers and counters for generating statistics | |
| 305 static elapsedTimer _t_total_compilation; | |
| 306 static elapsedTimer _t_osr_compilation; | |
| 307 static elapsedTimer _t_standard_compilation; | |
| 308 | |
| 10405 | 309 static int _total_compile_count; |
| 0 | 310 static int _total_bailout_count; |
| 311 static int _total_invalidated_count; | |
| 312 static int _total_native_compile_count; | |
| 313 static int _total_osr_compile_count; | |
| 314 static int _total_standard_compile_count; | |
| 315 static int _sum_osr_bytes_compiled; | |
| 316 static int _sum_standard_bytes_compiled; | |
| 317 static int _sum_nmethod_size; | |
| 318 static int _sum_nmethod_code_size; | |
| 10405 | 319 static long _peak_compilation_time; |
| 0 | 320 |
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321 static volatile jint _print_compilation_warning; |
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322 |
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323 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, TRAPS); |
| 1783 | 324 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
| 0 | 325 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
| 326 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
| 327 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
| 328 static void preload_classes (methodHandle method, TRAPS); | |
| 329 | |
| 330 static CompileTask* create_compile_task(CompileQueue* queue, | |
| 331 int compile_id, | |
| 332 methodHandle method, | |
| 333 int osr_bci, | |
| 334 int comp_level, | |
| 335 methodHandle hot_method, | |
| 336 int hot_count, | |
| 337 const char* comment, | |
| 338 bool blocking); | |
| 339 static CompileTask* allocate_task(); | |
| 340 static void free_task(CompileTask* task); | |
| 341 static void wait_for_completion(CompileTask* task); | |
| 342 | |
| 343 static void invoke_compiler_on_method(CompileTask* task); | |
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344 static void post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env); |
| 0 | 345 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); |
| 346 static void push_jni_handle_block(); | |
| 347 static void pop_jni_handle_block(); | |
| 348 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
| 349 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
| 350 | |
| 351 static void compile_method_base(methodHandle method, | |
| 352 int osr_bci, | |
| 353 int comp_level, | |
| 354 methodHandle hot_method, | |
| 355 int hot_count, | |
| 356 const char* comment, | |
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357 Thread* thread); |
| 1783 | 358 static CompileQueue* compile_queue(int comp_level) { |
| 359 if (is_c2_compile(comp_level)) return _c2_method_queue; | |
| 360 if (is_c1_compile(comp_level)) return _c1_method_queue; | |
| 361 return NULL; | |
| 362 } | |
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363 static bool init_compiler_runtime(); |
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364 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); |
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365 |
| 0 | 366 public: |
| 367 enum { | |
| 368 // The entry bci used for non-OSR compilations. | |
| 369 standard_entry_bci = InvocationEntryBci | |
| 370 }; | |
| 371 | |
| 1783 | 372 static AbstractCompiler* compiler(int comp_level) { |
| 373 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
| 374 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
| 375 return NULL; | |
| 0 | 376 } |
| 377 | |
| 1783 | 378 static bool compilation_is_in_queue(methodHandle method, int osr_bci); |
| 379 static int queue_size(int comp_level) { | |
| 380 CompileQueue *q = compile_queue(comp_level); | |
| 381 return q != NULL ? q->size() : 0; | |
| 382 } | |
| 0 | 383 static void compilation_init(); |
| 384 static void init_compiler_thread_log(); | |
| 1783 | 385 static nmethod* compile_method(methodHandle method, |
| 386 int osr_bci, | |
| 387 int comp_level, | |
| 388 methodHandle hot_method, | |
| 389 int hot_count, | |
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390 const char* comment, Thread* thread); |
| 0 | 391 |
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392 // Acquire any needed locks and assign a compile id |
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393 static uint assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci); |
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394 |
| 0 | 395 static void compiler_thread_loop(); |
| 1202 | 396 static uint get_compilation_id() { return _compilation_id; } |
| 0 | 397 |
| 398 // Set _should_block. | |
| 399 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 400 static void set_should_block(); | |
| 401 | |
| 402 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 403 static void maybe_block(); | |
| 404 | |
| 1202 | 405 enum { |
| 406 // Flags for toggling compiler activity | |
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407 stop_compilation = 0, |
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408 run_compilation = 1, |
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409 shutdown_compilaton = 2 |
| 1202 | 410 }; |
| 411 | |
| 412 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
| 413 static bool set_should_compile_new_jobs(jint new_state) { | |
| 414 // Return success if the current caller set it | |
| 415 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
| 416 return (old == (1-new_state)); | |
| 417 } | |
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418 |
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419 static void disable_compilation_forever() { |
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420 UseCompiler = false; |
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421 AlwaysCompileLoopMethods = false; |
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422 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); |
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423 } |
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424 |
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425 static bool is_compilation_disabled_forever() { |
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426 return _should_compile_new_jobs == shutdown_compilaton; |
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427 } |
| 1202 | 428 static void handle_full_code_cache(); |
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429 // Ensures that warning is only printed once. |
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430 static bool should_print_compiler_warning() { |
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431 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); |
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432 return old == 0; |
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433 } |
| 0 | 434 // Return total compilation ticks |
| 435 static jlong total_compilation_ticks() { | |
| 436 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
| 437 } | |
| 438 | |
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439 // Redefine Classes support |
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440 static void mark_on_stack(); |
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441 |
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442 #ifdef GRAAL |
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443 // Print curent compilation time stats for a given compiler |
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444 static void print_times(AbstractCompiler* comp); |
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445 #endif |
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446 |
| 0 | 447 // Print a detailed accounting of compilation time |
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448 static void print_times(bool per_compiler = true, bool aggregate = true); |
| 0 | 449 |
| 450 // Debugging output for failure | |
| 451 static void print_last_compile(); | |
| 452 | |
| 453 static void print_compiler_threads_on(outputStream* st); | |
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454 |
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455 // compiler name for debugging |
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456 static const char* compiler_name(int comp_level); |
| 10405 | 457 |
| 458 static int get_total_compile_count() { return _total_compile_count; } | |
| 459 static int get_total_bailout_count() { return _total_bailout_count; } | |
| 460 static int get_total_invalidated_count() { return _total_invalidated_count; } | |
| 461 static int get_total_native_compile_count() { return _total_native_compile_count; } | |
| 462 static int get_total_osr_compile_count() { return _total_osr_compile_count; } | |
| 463 static int get_total_standard_compile_count() { return _total_standard_compile_count; } | |
| 464 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } | |
| 465 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } | |
| 466 static int get_sum_nmethod_size() { return _sum_nmethod_size;} | |
| 467 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } | |
| 468 static long get_peak_compilation_time() { return _peak_compilation_time; } | |
| 469 static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } | |
| 0 | 470 }; |
| 1972 | 471 |
| 472 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |