compiler (original) (raw)

31 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 { 40 friend class VMStructs; 41 42 private: 43 static CompileTask* _task_free_list; 44 #ifdef ASSERT 45 static int _num_allocated_tasks; 46 #endif 47 48 Monitor* _lock; 49 uint _compile_id; 50 Method* _method;

123 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), 124 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /is_blocking/ false, 125 msg, short_form, cr); 126 } 127 128 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); 129 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { 130 print_inlining(tty, method, inline_level, bci, msg); 131 } 132 133 // Redefine Classes support 134 void mark_on_stack(); 135 136 static void print_inline_indent(int inline_level, outputStream* st = tty); 137 138 void print_tty(); 139 void print_line_on_error(outputStream* st, char* buf, int buflen); 140 141 void log_task(xmlStream* log); 142 void log_task_queued();

143 void log_task_start(CompileLog* log); 144 void log_task_done(CompileLog* log); 145 146 void set_failure_reason(const char* reason) { 147 _failure_reason = reason; 148 } 149 }; 150 151 // CompilerCounters 152 // 153 // Per Compiler Performance Counters. 154 // 155 class CompilerCounters : public CHeapObj { 156 157 public: 158 enum { 159 cmname_buffer_length = 160 160 }; 161 162 private:

341 342 static JavaThread* make_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, bool compiler_thread, TRAPS); 343 static void init_compiler_sweeper_threads(int c1_compiler_count, int c2_compiler_count); 344 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); 345 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); 346 static bool is_compile_blocking(); 347 static void preload_classes (methodHandle method, TRAPS); 348 349 static CompileTask* create_compile_task(CompileQueue* queue, 350 int compile_id, 351 methodHandle method, 352 int osr_bci, 353 int comp_level, 354 methodHandle hot_method, 355 int hot_count, 356 const char* comment, 357 bool blocking); 358 static void wait_for_completion(CompileTask* task); 359 360 static void invoke_compiler_on_method(CompileTask* task);

361 static void set_last_compile(CompilerThread thread, methodHandle method, bool is_osr, int comp_level); 362 static void push_jni_handle_block(); 363 static void pop_jni_handle_block(); 364 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); 365 static void collect_statistics(CompilerThread thread, elapsedTimer time, CompileTask* task); 366 367 static void compile_method_base(methodHandle method, 368 int osr_bci, 369 int comp_level, 370 methodHandle hot_method, 371 int hot_count, 372 const char* comment, 373 Thread* thread); 374 375 static CompileQueue* compile_queue(int comp_level); 376 static bool init_compiler_runtime(); 377 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); 378 379 public: 380 enum {

386 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 387 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 388 return NULL; 389 } 390 391 static bool compilation_is_in_queue(methodHandle method); 392 static void print_compile_queues(outputStream* st); 393 static int queue_size(int comp_level) { 394 CompileQueue q = compile_queue(comp_level); 395 return q != NULL ? q->size() : 0; 396 } 397 static void compilation_init(); 398 static void init_compiler_thread_log(); 399 static nmethod compile_method(methodHandle method, 400 int osr_bci, 401 int comp_level, 402 methodHandle hot_method, 403 int hot_count, 404 const char* comment, Thread* thread); 405

406 static void compiler_thread_loop(); 407 static uint get_compilation_id() { return _compilation_id; } 408 409 // Set _should_block. 410 // Call this from the VM, with Threads_lock held and a safepoint requested. 411 static void set_should_block(); 412 413 // Call this from the compiler at convenient points, to poll for _should_block. 414 static void maybe_block(); 415 416 enum { 417 // Flags for toggling compiler activity 418 stop_compilation = 0, 419 run_compilation = 1, 420 shutdown_compilaton = 2 421 }; 422 423 static jint get_compilation_activity_mode() { return _should_compile_new_jobs; } 424 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } 425 static bool set_should_compile_new_jobs(jint new_state) {

434 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); 435 } 436 437 static bool is_compilation_disabled_forever() { 438 return _should_compile_new_jobs == shutdown_compilaton; 439 } 440 static void handle_full_code_cache(int code_blob_type); 441 // Ensures that warning is only printed once. 442 static bool should_print_compiler_warning() { 443 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); 444 return old == 0; 445 } 446 // Return total compilation ticks 447 static jlong total_compilation_ticks() { 448 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; 449 } 450 451 // Redefine Classes support 452 static void mark_on_stack(); 453

454 // Print a detailed accounting of compilation time 455 static void print_times(); 456 457 // Debugging output for failure 458 static void print_last_compile(); 459 460 static void print_compiler_threads_on(outputStream* st); 461 462 // compiler name for debugging 463 static const char* compiler_name(int comp_level); 464 465 static int get_total_compile_count() { return _total_compile_count; } 466 static int get_total_bailout_count() { return _total_bailout_count; } 467 static int get_total_invalidated_count() { return _total_invalidated_count; } 468 static int get_total_native_compile_count() { return _total_native_compile_count; } 469 static int get_total_osr_compile_count() { return _total_osr_compile_count; } 470 static int get_total_standard_compile_count() { return _total_standard_compile_count; } 471 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } 472 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } 473 static int get_sum_nmethod_size() { return _sum_nmethod_size;} 474 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } 475 static long get_peak_compilation_time() { return _peak_compilation_time; }

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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 / 24 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 #include "trace/tracing.hpp" 32 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. 40 class CompileTask : public CHeapObj { 41 friend class VMStructs; 42 43 private: 44 static CompileTask _task_free_list; 45 #ifdef ASSERT 46 static int _num_allocated_tasks; 47 #endif 48 49 Monitor* _lock; 50 uint _compile_id; 51 Method* _method;

124 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), 125 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /is_blocking/ false, 126 msg, short_form, cr); 127 } 128 129 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); 130 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { 131 print_inlining(tty, method, inline_level, bci, msg); 132 } 133 134 // Redefine Classes support 135 void mark_on_stack(); 136 137 static void print_inline_indent(int inline_level, outputStream* st = tty); 138 139 void print_tty(); 140 void print_line_on_error(outputStream* st, char* buf, int buflen); 141 142 void log_task(xmlStream* log); 143 void log_task_queued(); 144 void log_task_dequeued(const char* comment); 145 void log_task_start(CompileLog* log); 146 void log_task_done(CompileLog* log); 147 148 void set_failure_reason(const char* reason) { 149 _failure_reason = reason; 150 } 151 }; 152 153 // CompilerCounters 154 // 155 // Per Compiler Performance Counters. 156 // 157 class CompilerCounters : public CHeapObj { 158 159 public: 160 enum { 161 cmname_buffer_length = 160 162 }; 163 164 private:

343 344 static JavaThread* make_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, bool compiler_thread, TRAPS); 345 static void init_compiler_sweeper_threads(int c1_compiler_count, int c2_compiler_count); 346 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); 347 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); 348 static bool is_compile_blocking(); 349 static void preload_classes (methodHandle method, TRAPS); 350 351 static CompileTask* create_compile_task(CompileQueue* queue, 352 int compile_id, 353 methodHandle method, 354 int osr_bci, 355 int comp_level, 356 methodHandle hot_method, 357 int hot_count, 358 const char* comment, 359 bool blocking); 360 static void wait_for_completion(CompileTask* task); 361 362 static void invoke_compiler_on_method(CompileTask* task); 363 static void post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env); 364 static void set_last_compile(CompilerThread thread, methodHandle method, bool is_osr, int comp_level); 365 static void push_jni_handle_block(); 366 static void pop_jni_handle_block(); 367 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); 368 static void collect_statistics(CompilerThread thread, elapsedTimer time, CompileTask* task); 369 370 static void compile_method_base(methodHandle method, 371 int osr_bci, 372 int comp_level, 373 methodHandle hot_method, 374 int hot_count, 375 const char* comment, 376 Thread* thread); 377 378 static CompileQueue* compile_queue(int comp_level); 379 static bool init_compiler_runtime(); 380 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); 381 382 public: 383 enum {

389 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 390 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 391 return NULL; 392 } 393 394 static bool compilation_is_in_queue(methodHandle method); 395 static void print_compile_queues(outputStream* st); 396 static int queue_size(int comp_level) { 397 CompileQueue q = compile_queue(comp_level); 398 return q != NULL ? q->size() : 0; 399 } 400 static void compilation_init(); 401 static void init_compiler_thread_log(); 402 static nmethod compile_method(methodHandle method, 403 int osr_bci, 404 int comp_level, 405 methodHandle hot_method, 406 int hot_count, 407 const char* comment, Thread* thread); 408 409 // Acquire any needed locks and assign a compile id 410 static uint assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci); 411 412 static void compiler_thread_loop(); 413 static uint get_compilation_id() { return _compilation_id; } 414 415 // Set _should_block. 416 // Call this from the VM, with Threads_lock held and a safepoint requested. 417 static void set_should_block(); 418 419 // Call this from the compiler at convenient points, to poll for _should_block. 420 static void maybe_block(); 421 422 enum { 423 // Flags for toggling compiler activity 424 stop_compilation = 0, 425 run_compilation = 1, 426 shutdown_compilaton = 2 427 }; 428 429 static jint get_compilation_activity_mode() { return _should_compile_new_jobs; } 430 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } 431 static bool set_should_compile_new_jobs(jint new_state) {

440 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); 441 } 442 443 static bool is_compilation_disabled_forever() { 444 return _should_compile_new_jobs == shutdown_compilaton; 445 } 446 static void handle_full_code_cache(int code_blob_type); 447 // Ensures that warning is only printed once. 448 static bool should_print_compiler_warning() { 449 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); 450 return old == 0; 451 } 452 // Return total compilation ticks 453 static jlong total_compilation_ticks() { 454 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; 455 } 456 457 // Redefine Classes support 458 static void mark_on_stack(); 459 460 #if INCLUDE_JVMCI 461 // Print curent compilation time stats for a given compiler 462 static void print_times(AbstractCompiler* comp); 463 #endif 464 465 // Print a detailed accounting of compilation time 466 static void print_times(bool per_compiler = true, bool aggregate = true); 467 468 // Debugging output for failure 469 static void print_last_compile(); 470 471 static void print_compiler_threads_on(outputStream* st); 472 473 // compiler name for debugging 474 static const char* compiler_name(int comp_level); 475 476 static int get_total_compile_count() { return _total_compile_count; } 477 static int get_total_bailout_count() { return _total_bailout_count; } 478 static int get_total_invalidated_count() { return _total_invalidated_count; } 479 static int get_total_native_compile_count() { return _total_native_compile_count; } 480 static int get_total_osr_compile_count() { return _total_osr_compile_count; } 481 static int get_total_standard_compile_count() { return _total_standard_compile_count; } 482 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } 483 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } 484 static int get_sum_nmethod_size() { return _sum_nmethod_size;} 485 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } 486 static long get_peak_compilation_time() { return _peak_compilation_time; }