Mercurial > hg > graal-jvmci-8
annotate src/share/vm/compiler/compileBroker.hpp @ 20469:dd89808e49ba
8049530: Provide descriptive failure reason for compilation tasks removed for the queue
Reviewed-by: roland, iveresov
author | vlivanov |
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date | Mon, 14 Jul 2014 03:26:52 -0700 |
parents | 7301840ea20e |
children | 41dcdd636080 |
rev | line source |
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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" | |
31 | |
0 | 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. | |
6197 | 39 class CompileTask : public CHeapObj<mtCompiler> { |
3939 | 40 friend class VMStructs; |
41 | |
0 | 42 private: |
43 Monitor* _lock; | |
44 uint _compile_id; | |
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45 Method* _method; |
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46 jobject _method_holder; |
0 | 47 int _osr_bci; |
48 bool _is_complete; | |
49 bool _is_success; | |
50 bool _is_blocking; | |
51 int _comp_level; | |
52 int _num_inlined_bytecodes; | |
53 nmethodLocker* _code_handle; // holder of eventual result | |
1783 | 54 CompileTask* _next, *_prev; |
0 | 55 |
56 // Fields used for logging why the compilation was initiated: | |
57 jlong _time_queued; // in units of os::elapsed_counter() | |
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58 Method* _hot_method; // which method actually triggered this task |
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59 jobject _hot_method_holder; |
0 | 60 int _hot_count; // information about its invocation counter |
61 const char* _comment; // more info about the task | |
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62 const char* _failure_reason; |
0 | 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); | |
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134 |
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135 void set_failure_reason(const char* reason) { |
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136 _failure_reason = reason; |
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137 } |
0 | 138 }; |
139 | |
140 // CompilerCounters | |
141 // | |
142 // Per Compiler Performance Counters. | |
143 // | |
6197 | 144 class CompilerCounters : public CHeapObj<mtCompiler> { |
0 | 145 |
146 public: | |
147 enum { | |
148 cmname_buffer_length = 160 | |
149 }; | |
150 | |
151 private: | |
152 | |
153 char _current_method[cmname_buffer_length]; | |
154 PerfStringVariable* _perf_current_method; | |
155 | |
156 int _compile_type; | |
157 PerfVariable* _perf_compile_type; | |
158 | |
159 PerfCounter* _perf_time; | |
160 PerfCounter* _perf_compiles; | |
161 | |
162 public: | |
163 CompilerCounters(const char* name, int instance, TRAPS); | |
164 | |
165 // these methods should be called in a thread safe context | |
166 | |
167 void set_current_method(const char* method) { | |
168 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
169 if (UsePerfData) _perf_current_method->set_value(method); | |
170 } | |
171 | |
172 char* current_method() { return _current_method; } | |
173 | |
174 void set_compile_type(int compile_type) { | |
175 _compile_type = compile_type; | |
176 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
177 } | |
178 | |
179 int compile_type() { return _compile_type; } | |
180 | |
181 PerfCounter* time_counter() { return _perf_time; } | |
182 PerfCounter* compile_counter() { return _perf_compiles; } | |
183 }; | |
184 | |
185 // CompileQueue | |
186 // | |
187 // A list of CompileTasks. | |
6197 | 188 class CompileQueue : public CHeapObj<mtCompiler> { |
0 | 189 private: |
190 const char* _name; | |
191 Monitor* _lock; | |
192 | |
193 CompileTask* _first; | |
194 CompileTask* _last; | |
195 | |
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196 CompileTask* _first_stale; |
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197 |
1783 | 198 int _size; |
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199 |
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200 void purge_stale_tasks(); |
0 | 201 public: |
202 CompileQueue(const char* name, Monitor* lock) { | |
203 _name = name; | |
204 _lock = lock; | |
205 _first = NULL; | |
206 _last = NULL; | |
1783 | 207 _size = 0; |
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208 _first_stale = NULL; |
0 | 209 } |
210 | |
211 const char* name() const { return _name; } | |
212 Monitor* lock() const { return _lock; } | |
213 | |
214 void add(CompileTask* task); | |
1783 | 215 void remove(CompileTask* task); |
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216 void remove_and_mark_stale(CompileTask* task); |
1783 | 217 CompileTask* first() { return _first; } |
218 CompileTask* last() { return _last; } | |
0 | 219 |
220 CompileTask* get(); | |
221 | |
222 bool is_empty() const { return _first == NULL; } | |
1783 | 223 int size() const { return _size; } |
0 | 224 |
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225 |
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226 // Redefine Classes support |
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227 void mark_on_stack(); |
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228 void delete_all(); |
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229 void print(); |
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230 |
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231 ~CompileQueue() { |
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232 assert (is_empty(), " Compile Queue must be empty"); |
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233 } |
0 | 234 }; |
235 | |
1783 | 236 // CompileTaskWrapper |
237 // | |
238 // Assign this task to the current thread. Deallocate the task | |
239 // when the compilation is complete. | |
240 class CompileTaskWrapper : StackObj { | |
241 public: | |
242 CompileTaskWrapper(CompileTask* task); | |
243 ~CompileTaskWrapper(); | |
244 }; | |
245 | |
0 | 246 |
247 // Compilation | |
248 // | |
249 // The broker for all compilation requests. | |
250 class CompileBroker: AllStatic { | |
251 friend class Threads; | |
252 friend class CompileTaskWrapper; | |
253 | |
254 public: | |
255 enum { | |
256 name_buffer_length = 100 | |
257 }; | |
258 | |
259 // Compile type Information for print_last_compile() and CompilerCounters | |
260 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
17625 | 261 static int assign_compile_id (methodHandle method, int osr_bci); |
262 | |
0 | 263 |
264 private: | |
265 static bool _initialized; | |
266 static volatile bool _should_block; | |
267 | |
1202 | 268 // This flag can be used to stop compilation or turn it back on |
269 static volatile jint _should_compile_new_jobs; | |
270 | |
0 | 271 // The installed compiler(s) |
272 static AbstractCompiler* _compilers[2]; | |
273 | |
274 // These counters are used for assigning id's to each compilation | |
17625 | 275 static volatile jint _compilation_id; |
276 static volatile jint _osr_compilation_id; | |
0 | 277 |
278 static int _last_compile_type; | |
279 static int _last_compile_level; | |
280 static char _last_method_compiled[name_buffer_length]; | |
281 | |
1783 | 282 static CompileQueue* _c2_method_queue; |
283 static CompileQueue* _c1_method_queue; | |
0 | 284 static CompileTask* _task_free_list; |
285 | |
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286 static GrowableArray<CompilerThread*>* _compiler_threads; |
0 | 287 |
288 // performance counters | |
289 static PerfCounter* _perf_total_compilation; | |
290 static PerfCounter* _perf_native_compilation; | |
291 static PerfCounter* _perf_osr_compilation; | |
292 static PerfCounter* _perf_standard_compilation; | |
293 | |
294 static PerfCounter* _perf_total_bailout_count; | |
295 static PerfCounter* _perf_total_invalidated_count; | |
296 static PerfCounter* _perf_total_compile_count; | |
297 static PerfCounter* _perf_total_native_compile_count; | |
298 static PerfCounter* _perf_total_osr_compile_count; | |
299 static PerfCounter* _perf_total_standard_compile_count; | |
300 | |
301 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
302 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
303 static PerfCounter* _perf_sum_nmethod_size; | |
304 static PerfCounter* _perf_sum_nmethod_code_size; | |
305 | |
306 static PerfStringVariable* _perf_last_method; | |
307 static PerfStringVariable* _perf_last_failed_method; | |
308 static PerfStringVariable* _perf_last_invalidated_method; | |
309 static PerfVariable* _perf_last_compile_type; | |
310 static PerfVariable* _perf_last_compile_size; | |
311 static PerfVariable* _perf_last_failed_type; | |
312 static PerfVariable* _perf_last_invalidated_type; | |
313 | |
314 // Timers and counters for generating statistics | |
315 static elapsedTimer _t_total_compilation; | |
316 static elapsedTimer _t_osr_compilation; | |
317 static elapsedTimer _t_standard_compilation; | |
318 | |
10405 | 319 static int _total_compile_count; |
0 | 320 static int _total_bailout_count; |
321 static int _total_invalidated_count; | |
322 static int _total_native_compile_count; | |
323 static int _total_osr_compile_count; | |
324 static int _total_standard_compile_count; | |
325 static int _sum_osr_bytes_compiled; | |
326 static int _sum_standard_bytes_compiled; | |
327 static int _sum_nmethod_size; | |
328 static int _sum_nmethod_code_size; | |
10405 | 329 static long _peak_compilation_time; |
0 | 330 |
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331 static volatile jint _print_compilation_warning; |
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332 |
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333 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, TRAPS); |
1783 | 334 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
0 | 335 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
336 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
337 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
338 static void preload_classes (methodHandle method, TRAPS); | |
339 | |
340 static CompileTask* create_compile_task(CompileQueue* queue, | |
341 int compile_id, | |
342 methodHandle method, | |
343 int osr_bci, | |
344 int comp_level, | |
345 methodHandle hot_method, | |
346 int hot_count, | |
347 const char* comment, | |
348 bool blocking); | |
349 static CompileTask* allocate_task(); | |
350 static void free_task(CompileTask* task); | |
351 static void wait_for_completion(CompileTask* task); | |
352 | |
353 static void invoke_compiler_on_method(CompileTask* task); | |
354 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); | |
355 static void push_jni_handle_block(); | |
356 static void pop_jni_handle_block(); | |
357 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
358 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
359 | |
360 static void compile_method_base(methodHandle method, | |
361 int osr_bci, | |
362 int comp_level, | |
363 methodHandle hot_method, | |
364 int hot_count, | |
365 const char* comment, | |
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366 Thread* thread); |
1783 | 367 static CompileQueue* compile_queue(int comp_level) { |
368 if (is_c2_compile(comp_level)) return _c2_method_queue; | |
369 if (is_c1_compile(comp_level)) return _c1_method_queue; | |
370 return NULL; | |
371 } | |
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372 static bool init_compiler_runtime(); |
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373 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); |
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374 |
0 | 375 public: |
376 enum { | |
377 // The entry bci used for non-OSR compilations. | |
378 standard_entry_bci = InvocationEntryBci | |
379 }; | |
380 | |
1783 | 381 static AbstractCompiler* compiler(int comp_level) { |
382 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
383 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
384 return NULL; | |
0 | 385 } |
386 | |
1783 | 387 static bool compilation_is_in_queue(methodHandle method, int osr_bci); |
388 static int queue_size(int comp_level) { | |
389 CompileQueue *q = compile_queue(comp_level); | |
390 return q != NULL ? q->size() : 0; | |
391 } | |
0 | 392 static void compilation_init(); |
393 static void init_compiler_thread_log(); | |
1783 | 394 static nmethod* compile_method(methodHandle method, |
395 int osr_bci, | |
396 int comp_level, | |
397 methodHandle hot_method, | |
398 int hot_count, | |
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399 const char* comment, Thread* thread); |
0 | 400 |
401 static void compiler_thread_loop(); | |
1202 | 402 static uint get_compilation_id() { return _compilation_id; } |
0 | 403 |
404 // Set _should_block. | |
405 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
406 static void set_should_block(); | |
407 | |
408 // Call this from the compiler at convenient points, to poll for _should_block. | |
409 static void maybe_block(); | |
410 | |
1202 | 411 enum { |
412 // Flags for toggling compiler activity | |
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413 stop_compilation = 0, |
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414 run_compilation = 1, |
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415 shutdown_compilaton = 2 |
1202 | 416 }; |
417 | |
418 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
419 static bool set_should_compile_new_jobs(jint new_state) { | |
420 // Return success if the current caller set it | |
421 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
422 return (old == (1-new_state)); | |
423 } | |
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424 |
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425 static void disable_compilation_forever() { |
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426 UseCompiler = false; |
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427 AlwaysCompileLoopMethods = false; |
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428 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); |
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429 } |
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430 |
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431 static bool is_compilation_disabled_forever() { |
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432 return _should_compile_new_jobs == shutdown_compilaton; |
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433 } |
1202 | 434 static void handle_full_code_cache(); |
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435 // Ensures that warning is only printed once. |
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436 static bool should_print_compiler_warning() { |
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437 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); |
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438 return old == 0; |
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439 } |
0 | 440 // Return total compilation ticks |
441 static jlong total_compilation_ticks() { | |
442 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
443 } | |
444 | |
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445 // Redefine Classes support |
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446 static void mark_on_stack(); |
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447 |
0 | 448 // Print a detailed accounting of compilation time |
449 static void print_times(); | |
450 | |
451 // Debugging output for failure | |
452 static void print_last_compile(); | |
453 | |
454 static void print_compiler_threads_on(outputStream* st); | |
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455 |
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456 // compiler name for debugging |
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457 static const char* compiler_name(int comp_level); |
10405 | 458 |
459 static int get_total_compile_count() { return _total_compile_count; } | |
460 static int get_total_bailout_count() { return _total_bailout_count; } | |
461 static int get_total_invalidated_count() { return _total_invalidated_count; } | |
462 static int get_total_native_compile_count() { return _total_native_compile_count; } | |
463 static int get_total_osr_compile_count() { return _total_osr_compile_count; } | |
464 static int get_total_standard_compile_count() { return _total_standard_compile_count; } | |
465 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } | |
466 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } | |
467 static int get_sum_nmethod_size() { return _sum_nmethod_size;} | |
468 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } | |
469 static long get_peak_compilation_time() { return _peak_compilation_time; } | |
470 static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } | |
0 | 471 }; |
1972 | 472 |
473 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |