318 static uint get_compilation_id() { return _compilation_id; }
319
320 // Set _should_block.
321 // Call this from the VM, with Threads_lock held and a safepoint requested.
322 static void set_should_block();
323
324 // Call this from the compiler at convenient points, to poll for _should_block.
325 static void maybe_block();
326
327 enum CompilerActivity {
328 // Flags for toggling compiler activity
329 stop_compilation = 0,
330 run_compilation = 1,
331 shutdown_compilation = 2
332 };
333
334 static jint get_compilation_activity_mode() { return _should_compile_new_jobs; }
335 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); }
336 static bool set_should_compile_new_jobs(jint new_state) {
337 // Return success if the current caller set it
338 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state);
339 bool success = (old == (1-new_state));
340 if (success) {
341 if (new_state == run_compilation) {
342 _total_compiler_restarted_count++;
343 } else {
344 _total_compiler_stopped_count++;
345 }
346 }
347 return success;
348 }
349
350 static void disable_compilation_forever() {
351 UseCompiler = false;
352 AlwaysCompileLoopMethods = false;
353 Atomic::xchg(&_should_compile_new_jobs, jint(shutdown_compilation));
354 }
355
356 static bool is_compilation_disabled_forever() {
357 return _should_compile_new_jobs == shutdown_compilation;
358 }
359 static void handle_full_code_cache(int code_blob_type);
360 // Ensures that warning is only printed once.
361 static bool should_print_compiler_warning() {
362 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0);
363 return old == 0;
364 }
365 // Return total compilation ticks
366 static jlong total_compilation_ticks() {
367 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0;
368 }
369
370 // Redefine Classes support
371 static void mark_on_stack();
372
373 #if INCLUDE_JVMCI
374 // Print curent compilation time stats for a given compiler
375 static void print_times(AbstractCompiler* comp);
376 #endif
377
378 // Print a detailed accounting of compilation time
379 static void print_times(bool per_compiler = true, bool aggregate = true);
380
381 // compiler name for debugging
382 static const char* compiler_name(int comp_level);
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318 static uint get_compilation_id() { return _compilation_id; }
319
320 // Set _should_block.
321 // Call this from the VM, with Threads_lock held and a safepoint requested.
322 static void set_should_block();
323
324 // Call this from the compiler at convenient points, to poll for _should_block.
325 static void maybe_block();
326
327 enum CompilerActivity {
328 // Flags for toggling compiler activity
329 stop_compilation = 0,
330 run_compilation = 1,
331 shutdown_compilation = 2
332 };
333
334 static jint get_compilation_activity_mode() { return _should_compile_new_jobs; }
335 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); }
336 static bool set_should_compile_new_jobs(jint new_state) {
337 // Return success if the current caller set it
338 jint old = Atomic::cmpxchg(&_should_compile_new_jobs, 1-new_state, new_state);
339 bool success = (old == (1-new_state));
340 if (success) {
341 if (new_state == run_compilation) {
342 _total_compiler_restarted_count++;
343 } else {
344 _total_compiler_stopped_count++;
345 }
346 }
347 return success;
348 }
349
350 static void disable_compilation_forever() {
351 UseCompiler = false;
352 AlwaysCompileLoopMethods = false;
353 Atomic::xchg(&_should_compile_new_jobs, jint(shutdown_compilation));
354 }
355
356 static bool is_compilation_disabled_forever() {
357 return _should_compile_new_jobs == shutdown_compilation;
358 }
359 static void handle_full_code_cache(int code_blob_type);
360 // Ensures that warning is only printed once.
361 static bool should_print_compiler_warning() {
362 jint old = Atomic::cmpxchg(&_print_compilation_warning, 0, 1);
363 return old == 0;
364 }
365 // Return total compilation ticks
366 static jlong total_compilation_ticks() {
367 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0;
368 }
369
370 // Redefine Classes support
371 static void mark_on_stack();
372
373 #if INCLUDE_JVMCI
374 // Print curent compilation time stats for a given compiler
375 static void print_times(AbstractCompiler* comp);
376 #endif
377
378 // Print a detailed accounting of compilation time
379 static void print_times(bool per_compiler = true, bool aggregate = true);
380
381 // compiler name for debugging
382 static const char* compiler_name(int comp_level);
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