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_COMPILER_COMPILEBROKER_HPP
26 #define SHARE_COMPILER_COMPILEBROKER_HPP
27
28 #include "ci/compilerInterface.hpp"
29 #include "compiler/abstractCompiler.hpp"
30 #include "compiler/compilerDirectives.hpp"
31 #include "compiler/compilerThread.hpp"
32 #include "compiler/compileTask.hpp"
33 #include "runtime/atomic.hpp"
34 #include "runtime/perfDataTypes.hpp"
35 #include "utilities/stack.hpp"
36 #if INCLUDE_JVMCI
37 #include "jvmci/jvmciCompiler.hpp"
38 #endif
39
40 class nmethod;
41
42 #if defined(ASSERT) && COMPILER2_OR_JVMCI
43 // Stress testing. Dedicated threads revert optimizations based on escape analysis concurrently to
44 // the running java application. Configured with vm options DeoptimizeObjectsALot*.
45 class DeoptimizeObjectsALotThread : public JavaThread {
46
47 static void deopt_objs_alot_thread_entry(JavaThread* thread, TRAPS);
48 void deoptimize_objects_alot_loop_single();
49 void deoptimize_objects_alot_loop_all();
50
51 public:
52 DeoptimizeObjectsALotThread() : JavaThread(&deopt_objs_alot_thread_entry) { }
53
54 bool is_hidden_from_external_view() const { return true; }
81 _current_method[cmname_buffer_length-1] = '\0';
82 }
83
84 char* current_method() { return _current_method; }
85
86 void set_compile_type(int compile_type) {
87 _compile_type = compile_type;
88 }
89
90 int compile_type() { return _compile_type; }
91
92 };
93
94 // CompileQueue
95 //
96 // A list of CompileTasks.
97 class CompileQueue : public CHeapObj<mtCompiler> {
98 private:
99 const char* _name;
100
101 CompileTask* _first;
102 CompileTask* _last;
103
104 CompileTask* _first_stale;
105
106 volatile int _size;
107 int _peak_size;
108 uint _total_added;
109 uint _total_removed;
110
111 void purge_stale_tasks();
112 public:
113 CompileQueue(const char* name) {
114 _name = name;
115 _first = nullptr;
116 _last = nullptr;
117 _size = 0;
118 _total_added = 0;
119 _total_removed = 0;
120 _peak_size = 0;
121 _first_stale = nullptr;
122 }
123
124 const char* name() const { return _name; }
125
126 void add(CompileTask* task);
127 void remove(CompileTask* task);
128 void remove_and_mark_stale(CompileTask* task);
129 CompileTask* first() { return _first; }
130 CompileTask* last() { return _last; }
131
132 CompileTask* get(CompilerThread* thread);
133
134 bool is_empty() const { return _first == nullptr; }
135 int size() const { return _size; }
136
137 int get_peak_size() const { return _peak_size; }
138 uint get_total_added() const { return _total_added; }
139 uint get_total_removed() const { return _total_removed; }
140
141 // Redefine Classes support
142 void mark_on_stack();
143 void free_all();
144 void print_tty();
145 void print(outputStream* st = tty);
146
147 ~CompileQueue() {
148 assert (is_empty(), " Compile Queue must be empty");
149 }
150 };
151
152 // CompileTaskWrapper
153 //
154 // Assign this task to the current thread. Deallocate the task
155 // when the compilation is complete.
156 class CompileTaskWrapper : StackObj {
167 friend class CompileTaskWrapper;
168
169 public:
170 enum {
171 name_buffer_length = 100
172 };
173
174 // Compile type Information for print_last_compile() and CompilerCounters
175 enum { no_compile, normal_compile, osr_compile, native_compile };
176 static int assign_compile_id (const methodHandle& method, int osr_bci);
177
178
179 private:
180 static bool _initialized;
181 static volatile bool _should_block;
182
183 // This flag can be used to stop compilation or turn it back on
184 static volatile jint _should_compile_new_jobs;
185
186 // The installed compiler(s)
187 static AbstractCompiler* _compilers[2];
188
189 // The maximum numbers of compiler threads to be determined during startup.
190 static int _c1_count, _c2_count;
191
192 // An array of compiler thread Java objects
193 static jobject *_compiler1_objects, *_compiler2_objects;
194
195 // An array of compiler logs
196 static CompileLog **_compiler1_logs, **_compiler2_logs;
197
198 // These counters are used for assigning id's to each compilation
199 static volatile jint _compilation_id;
200 static volatile jint _osr_compilation_id;
201 static volatile jint _native_compilation_id;
202
203 static CompileQueue* _c2_compile_queue;
204 static CompileQueue* _c1_compile_queue;
205
206 // performance counters
207 static PerfCounter* _perf_total_compilation;
208 static PerfCounter* _perf_osr_compilation;
209 static PerfCounter* _perf_standard_compilation;
210
211 static PerfCounter* _perf_total_bailout_count;
212 static PerfCounter* _perf_total_invalidated_count;
213 static PerfCounter* _perf_total_compile_count;
214 static PerfCounter* _perf_total_osr_compile_count;
215 static PerfCounter* _perf_total_standard_compile_count;
216
217 static PerfCounter* _perf_sum_osr_bytes_compiled;
218 static PerfCounter* _perf_sum_standard_bytes_compiled;
219 static PerfCounter* _perf_sum_nmethod_size;
220 static PerfCounter* _perf_sum_nmethod_code_size;
221
222 static PerfStringVariable* _perf_last_method;
223 static PerfStringVariable* _perf_last_failed_method;
224 static PerfStringVariable* _perf_last_invalidated_method;
225 static PerfVariable* _perf_last_compile_type;
226 static PerfVariable* _perf_last_compile_size;
227 static PerfVariable* _perf_last_failed_type;
228 static PerfVariable* _perf_last_invalidated_type;
229
230 // Timers and counters for generating statistics
231 static elapsedTimer _t_total_compilation;
232 static elapsedTimer _t_osr_compilation;
233 static elapsedTimer _t_standard_compilation;
234 static elapsedTimer _t_invalidated_compilation;
235 static elapsedTimer _t_bailedout_compilation;
236
237 static uint _total_compile_count;
238 static uint _total_bailout_count;
239 static uint _total_invalidated_count;
240 static uint _total_native_compile_count;
241 static uint _total_osr_compile_count;
242 static uint _total_standard_compile_count;
243 static uint _total_compiler_stopped_count;
244 static uint _total_compiler_restarted_count;
245 static uint _sum_osr_bytes_compiled;
246 static uint _sum_standard_bytes_compiled;
247 static uint _sum_nmethod_size;
248 static uint _sum_nmethod_code_size;
249 static jlong _peak_compilation_time;
250
251 static CompilerStatistics _stats_per_level[];
252
253 static volatile int _print_compilation_warning;
254
255 enum ThreadType {
256 compiler_t,
257 deoptimizer_t,
258 training_replay_t
259 };
260
261 static JavaThread* make_thread(ThreadType type, jobject thread_oop, CompileQueue* queue, AbstractCompiler* comp, JavaThread* THREAD);
262 static void init_compiler_threads();
263 static void init_training_replay();
264 static void possibly_add_compiler_threads(JavaThread* THREAD);
265 static bool compilation_is_prohibited(const methodHandle& method, int osr_bci, int comp_level, bool excluded);
266
267 static CompileTask* create_compile_task(CompileQueue* queue,
268 int compile_id,
269 const methodHandle& method,
270 int osr_bci,
271 int comp_level,
272 int hot_count,
273 CompileTask::CompileReason compile_reason,
274 bool blocking);
275 static void wait_for_completion(CompileTask* task);
276 #if INCLUDE_JVMCI
277 static bool wait_for_jvmci_completion(JVMCICompiler* comp, CompileTask* task, JavaThread* thread);
278 #endif
279
280 static void free_buffer_blob_if_allocated(CompilerThread* thread);
281
282 static void invoke_compiler_on_method(CompileTask* task);
283 static void handle_compile_error(CompilerThread* thread, CompileTask* task, ciEnv* ci_env,
284 int compilable, const char* failure_reason);
285 static void update_compile_perf_data(CompilerThread *thread, const methodHandle& method, bool is_osr);
286
287 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task);
288
289 static void compile_method_base(const methodHandle& method,
290 int osr_bci,
291 int comp_level,
292 int hot_count,
293 CompileTask::CompileReason compile_reason,
294 bool blocking,
295 Thread* thread);
296
297 static CompileQueue* compile_queue(int comp_level);
298 static bool init_compiler_runtime();
299 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread);
300
301 public:
302 enum {
303 // The entry bci used for non-OSR compilations.
304 standard_entry_bci = InvocationEntryBci
305 };
306
307 static AbstractCompiler* compiler(int comp_level) {
308 if (is_c2_compile(comp_level)) return _compilers[1]; // C2
309 if (is_c1_compile(comp_level)) return _compilers[0]; // C1
310 return nullptr;
311 }
312
313 static bool compilation_is_complete(const methodHandle& method, int osr_bci, int comp_level);
314 static bool compilation_is_in_queue(const methodHandle& method);
315 static void print_compile_queues(outputStream* st);
316 static int queue_size(int comp_level) {
317 CompileQueue *q = compile_queue(comp_level);
318 return q != nullptr ? q->size() : 0;
319 }
320 static void compilation_init(JavaThread* THREAD);
321 static void init_compiler_thread_log();
322 static nmethod* compile_method(const methodHandle& method,
323 int osr_bci,
324 int comp_level,
325 int hot_count,
326 CompileTask::CompileReason compile_reason,
327 TRAPS);
328 static CompileQueue* c1_compile_queue();
329 static CompileQueue* c2_compile_queue();
330
331 private:
332 static nmethod* compile_method(const methodHandle& method,
333 int osr_bci,
334 int comp_level,
335 int hot_count,
336 CompileTask::CompileReason compile_reason,
337 DirectiveSet* directive,
338 TRAPS);
339
340 public:
341 // Acquire any needed locks and assign a compile id
342 static int assign_compile_id_unlocked(Thread* thread, const methodHandle& method, int osr_bci);
343
344 static void compiler_thread_loop();
345 static int get_compilation_id() { return _compilation_id; }
346
347 // Set _should_block.
348 // Call this from the VM, with Threads_lock held and a safepoint requested.
349 static void set_should_block();
350
351 // Call this from the compiler at convenient points, to poll for _should_block.
352 static void maybe_block();
353
354 enum CompilerActivity {
355 // Flags for toggling compiler activity
400
401 // Print a detailed accounting of compilation time
402 static void print_times(bool per_compiler = true, bool aggregate = true);
403
404 // compiler name for debugging
405 static const char* compiler_name(int comp_level);
406
407 // Provide access to compiler thread Java objects
408 static jobject compiler1_object(int idx) {
409 assert(_compiler1_objects != nullptr, "must be initialized");
410 assert(idx < _c1_count, "oob");
411 return _compiler1_objects[idx];
412 }
413
414 static jobject compiler2_object(int idx) {
415 assert(_compiler2_objects != nullptr, "must be initialized");
416 assert(idx < _c2_count, "oob");
417 return _compiler2_objects[idx];
418 }
419
420 static AbstractCompiler* compiler1() { return _compilers[0]; }
421 static AbstractCompiler* compiler2() { return _compilers[1]; }
422
423 static bool can_remove(CompilerThread *ct, bool do_it);
424
425 static CompileLog* get_log(CompilerThread* ct);
426
427 static int get_c1_thread_count() { return _compilers[0]->num_compiler_threads(); }
428 static int get_c2_thread_count() { return _compilers[1]->num_compiler_threads(); }
429 static int get_total_compile_count() { return _total_compile_count; }
430 static int get_total_bailout_count() { return _total_bailout_count; }
431 static int get_total_invalidated_count() { return _total_invalidated_count; }
432 static int get_total_native_compile_count() { return _total_native_compile_count; }
433 static int get_total_osr_compile_count() { return _total_osr_compile_count; }
434 static int get_total_standard_compile_count() { return _total_standard_compile_count; }
435 static int get_total_compiler_stopped_count() { return _total_compiler_stopped_count; }
436 static int get_total_compiler_restarted_count() { return _total_compiler_restarted_count; }
437 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; }
438 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; }
439 static int get_sum_nmethod_size() { return _sum_nmethod_size;}
440 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; }
441 static jlong get_peak_compilation_time() { return _peak_compilation_time; }
442 static jlong get_total_compilation_time() { return _t_total_compilation.milliseconds(); }
443
444 // Log that compilation profiling is skipped because metaspace is full.
445 static void log_metaspace_failure();
446
447 // CodeHeap State Analytics.
448 static void print_info(outputStream *out);
449 static void print_heapinfo(outputStream *out, const char* function, size_t granularity);
450 };
451
452 // In order to achiveve a maximally fast warmup we attempt to compile important methods as soon as all
453 // the classes that they depend on are initialized. TrainingReplayThread processes a queue of InstanceKlass*
454 // that have just finished running their static initializers. We find all the methods that depend on the given class
455 // and for which the number of remaining dependencies is now zero, and eagerly compile them.
456 class TrainingReplayThread : public JavaThread {
457 static void training_replay_thread_entry(JavaThread* thread, TRAPS);
458 public:
459 TrainingReplayThread() : JavaThread(&training_replay_thread_entry) { }
460
461 bool is_hidden_from_external_view() const { return true; }
462 };
463
464 #endif // SHARE_COMPILER_COMPILEBROKER_HPP
|
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_COMPILER_COMPILEBROKER_HPP
26 #define SHARE_COMPILER_COMPILEBROKER_HPP
27
28 #include "ci/compilerInterface.hpp"
29 #include "compiler/abstractCompiler.hpp"
30 #include "compiler/compilerDirectives.hpp"
31 #include "compiler/compilerThread.hpp"
32 #include "compiler/compileTask.hpp"
33 #include "runtime/atomic.hpp"
34 #include "runtime/javaThread.hpp"
35 #include "runtime/perfDataTypes.hpp"
36 #include "utilities/nonblockingQueue.inline.hpp"
37 #include "utilities/stack.hpp"
38 #if INCLUDE_JVMCI
39 #include "jvmci/jvmciCompiler.hpp"
40 #endif
41
42 class nmethod;
43
44 #if defined(ASSERT) && COMPILER2_OR_JVMCI
45 // Stress testing. Dedicated threads revert optimizations based on escape analysis concurrently to
46 // the running java application. Configured with vm options DeoptimizeObjectsALot*.
47 class DeoptimizeObjectsALotThread : public JavaThread {
48
49 static void deopt_objs_alot_thread_entry(JavaThread* thread, TRAPS);
50 void deoptimize_objects_alot_loop_single();
51 void deoptimize_objects_alot_loop_all();
52
53 public:
54 DeoptimizeObjectsALotThread() : JavaThread(&deopt_objs_alot_thread_entry) { }
55
56 bool is_hidden_from_external_view() const { return true; }
83 _current_method[cmname_buffer_length-1] = '\0';
84 }
85
86 char* current_method() { return _current_method; }
87
88 void set_compile_type(int compile_type) {
89 _compile_type = compile_type;
90 }
91
92 int compile_type() { return _compile_type; }
93
94 };
95
96 // CompileQueue
97 //
98 // A list of CompileTasks.
99 class CompileQueue : public CHeapObj<mtCompiler> {
100 private:
101 const char* _name;
102
103 NonblockingQueue<CompileTask, &CompileTask::next_ptr> _queue;
104
105 CompileTask* _first;
106 CompileTask* _last;
107
108 CompileTask* _first_stale;
109
110 Monitor* _lock;
111
112 volatile int _size;
113 int _peak_size;
114 uint _total_added;
115 uint _total_removed;
116
117 void purge_stale_tasks();
118 public:
119 CompileQueue(const char* name, Monitor* lock) {
120 _name = name;
121 _lock = lock;
122 _first = nullptr;
123 _last = nullptr;
124 _size = 0;
125 _total_added = 0;
126 _total_removed = 0;
127 _peak_size = 0;
128 _first_stale = nullptr;
129 }
130
131 const char* name() const { return _name; }
132
133 void add_pending(CompileTask* task);
134 void transfer_pending();
135
136 void add(CompileTask* task);
137 void remove(CompileTask* task);
138 void remove_and_mark_stale(CompileTask* task);
139 CompileTask* first() { return _first; }
140 CompileTask* last() { return _last; }
141
142 CompileTask* get(CompilerThread* thread);
143
144 bool is_empty() const { return _first == nullptr; }
145 int size() const { return _size; }
146
147 Monitor* lock() const { return _lock; }
148
149 int get_peak_size() const { return _peak_size; }
150 uint get_total_added() const { return _total_added; }
151 uint get_total_removed() const { return _total_removed; }
152
153 // Redefine Classes support
154 void mark_on_stack();
155 void free_all();
156 void print_tty();
157 void print(outputStream* st = tty);
158
159 ~CompileQueue() {
160 assert (is_empty(), " Compile Queue must be empty");
161 }
162 };
163
164 // CompileTaskWrapper
165 //
166 // Assign this task to the current thread. Deallocate the task
167 // when the compilation is complete.
168 class CompileTaskWrapper : StackObj {
179 friend class CompileTaskWrapper;
180
181 public:
182 enum {
183 name_buffer_length = 100
184 };
185
186 // Compile type Information for print_last_compile() and CompilerCounters
187 enum { no_compile, normal_compile, osr_compile, native_compile };
188 static int assign_compile_id (const methodHandle& method, int osr_bci);
189
190
191 private:
192 static bool _initialized;
193 static volatile bool _should_block;
194
195 // This flag can be used to stop compilation or turn it back on
196 static volatile jint _should_compile_new_jobs;
197
198 // The installed compiler(s)
199 static AbstractCompiler* _compilers[3];
200
201 // The maximum numbers of compiler threads to be determined during startup.
202 static int _c1_count, _c2_count, _c3_count, _ac_count;
203
204 // An array of compiler thread Java objects
205 static jobject *_compiler1_objects, *_compiler2_objects, *_compiler3_objects, *_ac_objects;
206
207 // An array of compiler logs
208 static CompileLog **_compiler1_logs, **_compiler2_logs, **_compiler3_logs, **_ac_logs;
209
210 // These counters are used for assigning id's to each compilation
211 static volatile jint _compilation_id;
212 static volatile jint _osr_compilation_id;
213 static volatile jint _native_compilation_id;
214
215 static CompileQueue* _c3_compile_queue;
216 static CompileQueue* _c2_compile_queue;
217 static CompileQueue* _c1_compile_queue;
218 static CompileQueue* _ac1_compile_queue;
219 static CompileQueue* _ac2_compile_queue;
220
221 // performance counters
222 static PerfCounter* _perf_total_compilation;
223 static PerfCounter* _perf_osr_compilation;
224 static PerfCounter* _perf_standard_compilation;
225
226 static PerfCounter* _perf_total_bailout_count;
227 static PerfCounter* _perf_total_invalidated_count;
228 static PerfCounter* _perf_total_compile_count;
229 static PerfCounter* _perf_total_osr_compile_count;
230 static PerfCounter* _perf_total_standard_compile_count;
231
232 static PerfCounter* _perf_sum_osr_bytes_compiled;
233 static PerfCounter* _perf_sum_standard_bytes_compiled;
234 static PerfCounter* _perf_sum_nmethod_size;
235 static PerfCounter* _perf_sum_nmethod_code_size;
236
237 static PerfStringVariable* _perf_last_method;
238 static PerfStringVariable* _perf_last_failed_method;
239 static PerfStringVariable* _perf_last_invalidated_method;
240 static PerfVariable* _perf_last_compile_type;
241 static PerfVariable* _perf_last_compile_size;
242 static PerfVariable* _perf_last_failed_type;
243 static PerfVariable* _perf_last_invalidated_type;
244
245 // Timers and counters for generating statistics
246 static elapsedTimer _t_total_compilation;
247 static elapsedTimer _t_osr_compilation;
248 static elapsedTimer _t_standard_compilation;
249 static elapsedTimer _t_invalidated_compilation;
250 static elapsedTimer _t_bailedout_compilation;
251
252 static uint _total_compile_count;
253 static uint _total_bailout_count;
254 static uint _total_invalidated_count;
255 static uint _total_not_entrant_count;
256 static uint _total_native_compile_count;
257 static uint _total_osr_compile_count;
258 static uint _total_standard_compile_count;
259 static uint _total_compiler_stopped_count;
260 static uint _total_compiler_restarted_count;
261 static uint _sum_osr_bytes_compiled;
262 static uint _sum_standard_bytes_compiled;
263 static uint _sum_nmethod_size;
264 static uint _sum_nmethod_code_size;
265 static jlong _peak_compilation_time;
266
267 static CompilerStatistics _stats_per_level[];
268 static CompilerStatistics _aot_stats;
269 static CompilerStatistics _aot_stats_per_level[];
270
271 static volatile int _print_compilation_warning;
272
273 enum ThreadType {
274 compiler_t,
275 deoptimizer_t,
276 training_replay_t
277 };
278
279 static Handle create_thread_oop(const char* name, TRAPS);
280 static JavaThread* make_thread(ThreadType type, jobject thread_oop, CompileQueue* queue, AbstractCompiler* comp, JavaThread* THREAD);
281 static void init_compiler_threads();
282 static void init_training_replay();
283 static void possibly_add_compiler_threads(JavaThread* THREAD);
284 static bool compilation_is_prohibited(const methodHandle& method, int osr_bci, int comp_level, bool excluded);
285
286 static CompileTask* create_compile_task(CompileQueue* queue,
287 int compile_id,
288 const methodHandle& method,
289 int osr_bci,
290 int comp_level,
291 int hot_count,
292 AOTCodeEntry* aot_code_entry,
293 CompileTask::CompileReason compile_reason,
294 bool requires_online_compilation,
295 bool blocking);
296 static void wait_for_completion(CompileTask* task);
297 #if INCLUDE_JVMCI
298 static bool wait_for_jvmci_completion(JVMCICompiler* comp, CompileTask* task, JavaThread* thread);
299 #endif
300 public:
301 static void wait_for_no_active_tasks();
302
303 private:
304
305 static void free_buffer_blob_if_allocated(CompilerThread* thread);
306
307 static void invoke_compiler_on_method(CompileTask* task);
308 static void handle_compile_error(CompilerThread* thread, CompileTask* task, ciEnv* ci_env,
309 int compilable, const char* failure_reason);
310 static void update_compile_perf_data(CompilerThread *thread, const methodHandle& method, bool is_osr);
311
312 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task);
313
314 static void compile_method_base(const methodHandle& method,
315 int osr_bci,
316 int comp_level,
317 int hot_count,
318 CompileTask::CompileReason compile_reason,
319 bool requires_online_compilation,
320 bool blocking,
321 Thread* thread);
322
323 static CompileQueue* compile_queue(int comp_level, bool is_aot);
324 static bool init_compiler_runtime();
325 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread);
326
327 static AOTCodeEntry* find_aot_code_entry(const methodHandle& method, int osr_bci, int comp_level,
328 CompileTask::CompileReason compile_reason,
329 bool requires_online_compilation);
330
331 public:
332 enum {
333 // The entry bci used for non-OSR compilations.
334 standard_entry_bci = InvocationEntryBci
335 };
336
337 static AbstractCompiler* compiler(int comp_level) {
338 if (is_c2_compile(comp_level)) return _compilers[1]; // C2
339 if (is_c1_compile(comp_level)) return _compilers[0]; // C1
340 return nullptr;
341 }
342
343 static bool initialized() { return _initialized; }
344 static bool compilation_is_complete(Method* method, int osr_bci, int comp_level, bool online_only,
345 CompileTask::CompileReason compile_reason);
346 static bool compilation_is_in_queue(const methodHandle& method);
347 static void print_compile_queues(outputStream* st);
348 static int queue_size(int comp_level, bool is_aot = false) {
349 CompileQueue *q = compile_queue(comp_level, is_aot);
350 return q != nullptr ? q->size() : 0;
351 }
352 static void compilation_init(JavaThread* THREAD);
353 static void init_compiler_thread_log();
354 static nmethod* compile_method(const methodHandle& method,
355 int osr_bci,
356 int comp_level,
357 int hot_count,
358 bool requires_online_compilation,
359 CompileTask::CompileReason compile_reason,
360 TRAPS);
361 static CompileQueue* c1_compile_queue();
362 static CompileQueue* c2_compile_queue();
363
364 private:
365 static nmethod* compile_method(const methodHandle& method,
366 int osr_bci,
367 int comp_level,
368 int hot_count,
369 bool requires_online_compilation,
370 CompileTask::CompileReason compile_reason,
371 DirectiveSet* directive,
372 TRAPS);
373
374 public:
375 // Acquire any needed locks and assign a compile id
376 static int assign_compile_id_unlocked(Thread* thread, const methodHandle& method, int osr_bci);
377
378 static void compiler_thread_loop();
379 static int get_compilation_id() { return _compilation_id; }
380
381 // Set _should_block.
382 // Call this from the VM, with Threads_lock held and a safepoint requested.
383 static void set_should_block();
384
385 // Call this from the compiler at convenient points, to poll for _should_block.
386 static void maybe_block();
387
388 enum CompilerActivity {
389 // Flags for toggling compiler activity
434
435 // Print a detailed accounting of compilation time
436 static void print_times(bool per_compiler = true, bool aggregate = true);
437
438 // compiler name for debugging
439 static const char* compiler_name(int comp_level);
440
441 // Provide access to compiler thread Java objects
442 static jobject compiler1_object(int idx) {
443 assert(_compiler1_objects != nullptr, "must be initialized");
444 assert(idx < _c1_count, "oob");
445 return _compiler1_objects[idx];
446 }
447
448 static jobject compiler2_object(int idx) {
449 assert(_compiler2_objects != nullptr, "must be initialized");
450 assert(idx < _c2_count, "oob");
451 return _compiler2_objects[idx];
452 }
453
454 static jobject compiler3_object(int idx) {
455 assert(_compiler3_objects != nullptr, "must be initialized");
456 assert(idx < _c3_count, "oob");
457 return _compiler3_objects[idx];
458 }
459
460 static jobject ac_object(int idx) {
461 assert(_ac_objects != nullptr, "must be initialized");
462 assert(idx < _ac_count, "oob");
463 return _ac_objects[idx];
464 }
465
466 static AbstractCompiler* compiler1() { return _compilers[0]; }
467 static AbstractCompiler* compiler2() { return _compilers[1]; }
468 static AbstractCompiler* compiler3() { return _compilers[2]; }
469
470 static bool can_remove(CompilerThread *ct, bool do_it);
471
472 static CompileLog* get_log(CompilerThread* ct);
473
474 static int get_c1_thread_count() { return _compilers[0]->num_compiler_threads(); }
475 static int get_c2_thread_count() { return _compilers[1]->num_compiler_threads(); }
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_total_compiler_stopped_count() { return _total_compiler_stopped_count; }
483 static int get_total_compiler_restarted_count() { return _total_compiler_restarted_count; }
484 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; }
485 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; }
486 static int get_sum_nmethod_size() { return _sum_nmethod_size;}
487 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; }
488 static jlong get_peak_compilation_time() { return _peak_compilation_time; }
489 static jlong get_total_compilation_time() { return _t_total_compilation.milliseconds(); }
490
491 static void log_not_entrant(nmethod* nm);
492
493 // Log that compilation profiling is skipped because metaspace is full.
494 static void log_metaspace_failure();
495
496 static void print_statistics_on(outputStream* st);
497
498 // CodeHeap State Analytics.
499 static void print_info(outputStream *out);
500 static void print_heapinfo(outputStream *out, const char* function, size_t granularity);
501 };
502
503 // In order to achiveve a maximally fast warmup we attempt to compile important methods as soon as all
504 // the classes that they depend on are initialized. TrainingReplayThread processes a queue of InstanceKlass*
505 // that have just finished running their static initializers. We find all the methods that depend on the given class
506 // and for which the number of remaining dependencies is now zero, and eagerly compile them.
507 class TrainingReplayThread : public JavaThread {
508 static void training_replay_thread_entry(JavaThread* thread, TRAPS);
509 public:
510 TrainingReplayThread() : JavaThread(&training_replay_thread_entry) { }
511
512 bool is_hidden_from_external_view() const { return true; }
513 };
514
515 #endif // SHARE_COMPILER_COMPILEBROKER_HPP
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