Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/compileBroker.hpp @ 18226:6eda3b299460
Record compilation dependencies with +LogCompilation
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Fri, 31 Oct 2014 12:20:56 -0700 |
parents | 52b4284cb496 |
children | 5119e7f07d93 |
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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(); | |
132 void log_task_start(CompileLog* log); | |
133 void log_task_done(CompileLog* log); | |
134 }; | |
135 | |
136 // CompilerCounters | |
137 // | |
138 // Per Compiler Performance Counters. | |
139 // | |
6197 | 140 class CompilerCounters : public CHeapObj<mtCompiler> { |
0 | 141 |
142 public: | |
143 enum { | |
144 cmname_buffer_length = 160 | |
145 }; | |
146 | |
147 private: | |
148 | |
149 char _current_method[cmname_buffer_length]; | |
150 PerfStringVariable* _perf_current_method; | |
151 | |
152 int _compile_type; | |
153 PerfVariable* _perf_compile_type; | |
154 | |
155 PerfCounter* _perf_time; | |
156 PerfCounter* _perf_compiles; | |
157 | |
158 public: | |
159 CompilerCounters(const char* name, int instance, TRAPS); | |
160 | |
161 // these methods should be called in a thread safe context | |
162 | |
163 void set_current_method(const char* method) { | |
164 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
165 if (UsePerfData) _perf_current_method->set_value(method); | |
166 } | |
167 | |
168 char* current_method() { return _current_method; } | |
169 | |
170 void set_compile_type(int compile_type) { | |
171 _compile_type = compile_type; | |
172 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
173 } | |
174 | |
175 int compile_type() { return _compile_type; } | |
176 | |
177 PerfCounter* time_counter() { return _perf_time; } | |
178 PerfCounter* compile_counter() { return _perf_compiles; } | |
179 }; | |
180 | |
181 // CompileQueue | |
182 // | |
183 // A list of CompileTasks. | |
6197 | 184 class CompileQueue : public CHeapObj<mtCompiler> { |
0 | 185 private: |
186 const char* _name; | |
187 Monitor* _lock; | |
188 | |
189 CompileTask* _first; | |
190 CompileTask* _last; | |
191 | |
1783 | 192 int _size; |
0 | 193 public: |
194 CompileQueue(const char* name, Monitor* lock) { | |
195 _name = name; | |
196 _lock = lock; | |
197 _first = NULL; | |
198 _last = NULL; | |
1783 | 199 _size = 0; |
0 | 200 } |
201 | |
202 const char* name() const { return _name; } | |
203 Monitor* lock() const { return _lock; } | |
204 | |
205 void add(CompileTask* task); | |
1783 | 206 void remove(CompileTask* task); |
207 CompileTask* first() { return _first; } | |
208 CompileTask* last() { return _last; } | |
0 | 209 |
210 CompileTask* get(); | |
211 | |
212 bool is_empty() const { return _first == NULL; } | |
1783 | 213 int size() const { return _size; } |
0 | 214 |
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215 // Redefine Classes support |
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216 void mark_on_stack(); |
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217 void delete_all(); |
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218 void print(); |
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219 |
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220 ~CompileQueue() { |
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221 assert (is_empty(), " Compile Queue must be empty"); |
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222 } |
0 | 223 }; |
224 | |
1783 | 225 // CompileTaskWrapper |
226 // | |
227 // Assign this task to the current thread. Deallocate the task | |
228 // when the compilation is complete. | |
229 class CompileTaskWrapper : StackObj { | |
230 public: | |
231 CompileTaskWrapper(CompileTask* task); | |
232 ~CompileTaskWrapper(); | |
233 }; | |
234 | |
0 | 235 |
236 // Compilation | |
237 // | |
238 // The broker for all compilation requests. | |
239 class CompileBroker: AllStatic { | |
240 friend class Threads; | |
241 friend class CompileTaskWrapper; | |
242 | |
243 public: | |
244 enum { | |
245 name_buffer_length = 100 | |
246 }; | |
247 | |
248 // Compile type Information for print_last_compile() and CompilerCounters | |
249 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
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250 static int assign_compile_id (methodHandle method, int osr_bci); |
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251 |
0 | 252 |
253 private: | |
254 static bool _initialized; | |
255 static volatile bool _should_block; | |
256 | |
1202 | 257 // This flag can be used to stop compilation or turn it back on |
258 static volatile jint _should_compile_new_jobs; | |
259 | |
0 | 260 // The installed compiler(s) |
261 static AbstractCompiler* _compilers[2]; | |
262 | |
263 // These counters are used for assigning id's to each compilation | |
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264 static volatile jint _compilation_id; |
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265 static volatile jint _osr_compilation_id; |
0 | 266 |
267 static int _last_compile_type; | |
268 static int _last_compile_level; | |
269 static char _last_method_compiled[name_buffer_length]; | |
270 | |
1783 | 271 static CompileQueue* _c2_method_queue; |
272 static CompileQueue* _c1_method_queue; | |
0 | 273 static CompileTask* _task_free_list; |
274 | |
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275 static GrowableArray<CompilerThread*>* _compiler_threads; |
0 | 276 |
277 // performance counters | |
278 static PerfCounter* _perf_total_compilation; | |
279 static PerfCounter* _perf_native_compilation; | |
280 static PerfCounter* _perf_osr_compilation; | |
281 static PerfCounter* _perf_standard_compilation; | |
282 | |
283 static PerfCounter* _perf_total_bailout_count; | |
284 static PerfCounter* _perf_total_invalidated_count; | |
285 static PerfCounter* _perf_total_compile_count; | |
286 static PerfCounter* _perf_total_native_compile_count; | |
287 static PerfCounter* _perf_total_osr_compile_count; | |
288 static PerfCounter* _perf_total_standard_compile_count; | |
289 | |
290 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
291 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
292 static PerfCounter* _perf_sum_nmethod_size; | |
293 static PerfCounter* _perf_sum_nmethod_code_size; | |
294 | |
295 static PerfStringVariable* _perf_last_method; | |
296 static PerfStringVariable* _perf_last_failed_method; | |
297 static PerfStringVariable* _perf_last_invalidated_method; | |
298 static PerfVariable* _perf_last_compile_type; | |
299 static PerfVariable* _perf_last_compile_size; | |
300 static PerfVariable* _perf_last_failed_type; | |
301 static PerfVariable* _perf_last_invalidated_type; | |
302 | |
303 // Timers and counters for generating statistics | |
304 static elapsedTimer _t_total_compilation; | |
305 static elapsedTimer _t_osr_compilation; | |
306 static elapsedTimer _t_standard_compilation; | |
307 | |
10405 | 308 static int _total_compile_count; |
0 | 309 static int _total_bailout_count; |
310 static int _total_invalidated_count; | |
311 static int _total_native_compile_count; | |
312 static int _total_osr_compile_count; | |
313 static int _total_standard_compile_count; | |
314 static int _sum_osr_bytes_compiled; | |
315 static int _sum_standard_bytes_compiled; | |
316 static int _sum_nmethod_size; | |
317 static int _sum_nmethod_code_size; | |
10405 | 318 static long _peak_compilation_time; |
0 | 319 |
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320 static volatile jint _print_compilation_warning; |
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321 |
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322 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, TRAPS); |
1783 | 323 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
0 | 324 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
325 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
326 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
327 static void preload_classes (methodHandle method, TRAPS); | |
328 | |
329 static CompileTask* create_compile_task(CompileQueue* queue, | |
330 int compile_id, | |
331 methodHandle method, | |
332 int osr_bci, | |
333 int comp_level, | |
334 methodHandle hot_method, | |
335 int hot_count, | |
336 const char* comment, | |
337 bool blocking); | |
338 static CompileTask* allocate_task(); | |
339 static void free_task(CompileTask* task); | |
340 static void wait_for_completion(CompileTask* task); | |
341 | |
342 static void invoke_compiler_on_method(CompileTask* task); | |
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343 static void post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env); |
0 | 344 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); |
345 static void push_jni_handle_block(); | |
346 static void pop_jni_handle_block(); | |
347 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
348 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
349 | |
350 static void compile_method_base(methodHandle method, | |
351 int osr_bci, | |
352 int comp_level, | |
353 methodHandle hot_method, | |
354 int hot_count, | |
355 const char* comment, | |
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356 Thread* thread); |
1783 | 357 static CompileQueue* compile_queue(int comp_level) { |
358 if (is_c2_compile(comp_level)) return _c2_method_queue; | |
359 if (is_c1_compile(comp_level)) return _c1_method_queue; | |
360 return NULL; | |
361 } | |
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362 static bool init_compiler_runtime(); |
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363 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); |
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364 |
0 | 365 public: |
366 enum { | |
367 // The entry bci used for non-OSR compilations. | |
368 standard_entry_bci = InvocationEntryBci | |
369 }; | |
370 | |
1783 | 371 static AbstractCompiler* compiler(int comp_level) { |
372 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
373 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
374 return NULL; | |
0 | 375 } |
376 | |
1783 | 377 static bool compilation_is_in_queue(methodHandle method, int osr_bci); |
378 static int queue_size(int comp_level) { | |
379 CompileQueue *q = compile_queue(comp_level); | |
380 return q != NULL ? q->size() : 0; | |
381 } | |
0 | 382 static void compilation_init(); |
383 static void init_compiler_thread_log(); | |
1783 | 384 static nmethod* compile_method(methodHandle method, |
385 int osr_bci, | |
386 int comp_level, | |
387 methodHandle hot_method, | |
388 int hot_count, | |
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389 const char* comment, Thread* thread); |
0 | 390 |
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391 // Acquire any needed locks and assign a compile id |
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392 static uint assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci); |
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393 |
0 | 394 static void compiler_thread_loop(); |
1202 | 395 static uint get_compilation_id() { return _compilation_id; } |
0 | 396 |
397 // Set _should_block. | |
398 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
399 static void set_should_block(); | |
400 | |
401 // Call this from the compiler at convenient points, to poll for _should_block. | |
402 static void maybe_block(); | |
403 | |
1202 | 404 enum { |
405 // Flags for toggling compiler activity | |
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406 stop_compilation = 0, |
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407 run_compilation = 1, |
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408 shutdown_compilaton = 2 |
1202 | 409 }; |
410 | |
411 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
412 static bool set_should_compile_new_jobs(jint new_state) { | |
413 // Return success if the current caller set it | |
414 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
415 return (old == (1-new_state)); | |
416 } | |
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417 |
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418 static void disable_compilation_forever() { |
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419 UseCompiler = false; |
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420 AlwaysCompileLoopMethods = false; |
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421 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); |
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422 } |
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423 |
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424 static bool is_compilation_disabled_forever() { |
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425 return _should_compile_new_jobs == shutdown_compilaton; |
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426 } |
1202 | 427 static void handle_full_code_cache(); |
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428 // Ensures that warning is only printed once. |
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429 static bool should_print_compiler_warning() { |
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430 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); |
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431 return old == 0; |
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432 } |
0 | 433 // Return total compilation ticks |
434 static jlong total_compilation_ticks() { | |
435 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
436 } | |
437 | |
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438 // Redefine Classes support |
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439 static void mark_on_stack(); |
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440 |
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441 #ifdef GRAAL |
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442 // Print curent compilation time stats for a given compiler |
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443 static void print_times(AbstractCompiler* comp); |
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444 #endif |
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445 |
0 | 446 // Print a detailed accounting of compilation time |
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447 static void print_times(bool per_compiler = true, bool aggregate = true); |
0 | 448 |
449 // Debugging output for failure | |
450 static void print_last_compile(); | |
451 | |
452 static void print_compiler_threads_on(outputStream* st); | |
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453 |
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454 // compiler name for debugging |
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455 static const char* compiler_name(int comp_level); |
10405 | 456 |
457 static int get_total_compile_count() { return _total_compile_count; } | |
458 static int get_total_bailout_count() { return _total_bailout_count; } | |
459 static int get_total_invalidated_count() { return _total_invalidated_count; } | |
460 static int get_total_native_compile_count() { return _total_native_compile_count; } | |
461 static int get_total_osr_compile_count() { return _total_osr_compile_count; } | |
462 static int get_total_standard_compile_count() { return _total_standard_compile_count; } | |
463 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } | |
464 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } | |
465 static int get_sum_nmethod_size() { return _sum_nmethod_size;} | |
466 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } | |
467 static long get_peak_compilation_time() { return _peak_compilation_time; } | |
468 static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } | |
0 | 469 }; |
1972 | 470 |
471 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |