Mercurial > hg > truffle
annotate src/share/vm/compiler/compileBroker.hpp @ 21244:bf5e055dbc9c
SSAUtils: minor refactoring.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Thu, 30 Apr 2015 15:36:03 +0200 |
parents | 7848fc12602b |
children | be896a1983c0 |
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" | |
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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: |
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44 static CompileTask* _task_free_list; |
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45 #ifdef ASSERT |
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46 static int _num_allocated_tasks; |
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47 #endif |
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48 |
0 | 49 Monitor* _lock; |
50 uint _compile_id; | |
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51 Method* _method; |
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52 jobject _method_holder; |
0 | 53 int _osr_bci; |
54 bool _is_complete; | |
55 bool _is_success; | |
56 bool _is_blocking; | |
57 int _comp_level; | |
58 int _num_inlined_bytecodes; | |
59 nmethodLocker* _code_handle; // holder of eventual result | |
1783 | 60 CompileTask* _next, *_prev; |
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61 bool _is_free; |
0 | 62 // Fields used for logging why the compilation was initiated: |
63 jlong _time_queued; // in units of os::elapsed_counter() | |
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64 Method* _hot_method; // which method actually triggered this task |
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65 jobject _hot_method_holder; |
0 | 66 int _hot_count; // information about its invocation counter |
67 const char* _comment; // more info about the task | |
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68 const char* _failure_reason; |
0 | 69 |
70 public: | |
71 CompileTask() { | |
72 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
73 } | |
74 | |
75 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
76 methodHandle hot_method, int hot_count, const char* comment, | |
77 bool is_blocking); | |
78 | |
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79 static CompileTask* allocate(); |
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80 static void free(CompileTask* task); |
0 | 81 |
82 int compile_id() const { return _compile_id; } | |
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83 Method* method() const { return _method; } |
0 | 84 int osr_bci() const { return _osr_bci; } |
85 bool is_complete() const { return _is_complete; } | |
86 bool is_blocking() const { return _is_blocking; } | |
87 bool is_success() const { return _is_success; } | |
88 | |
89 nmethodLocker* code_handle() const { return _code_handle; } | |
90 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
91 nmethod* code() const; // _code_handle->code() | |
92 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
93 | |
94 Monitor* lock() const { return _lock; } | |
95 | |
96 void mark_complete() { _is_complete = true; } | |
97 void mark_success() { _is_success = true; } | |
98 | |
99 int comp_level() { return _comp_level;} | |
100 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
101 | |
102 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
103 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
104 | |
105 CompileTask* next() const { return _next; } | |
106 void set_next(CompileTask* next) { _next = next; } | |
1783 | 107 CompileTask* prev() const { return _prev; } |
108 void set_prev(CompileTask* prev) { _prev = prev; } | |
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109 bool is_free() const { return _is_free; } |
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110 void set_is_free(bool val) { _is_free = val; } |
0 | 111 |
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112 private: |
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113 static void print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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114 bool is_osr_method = false, int osr_bci = -1, bool is_blocking = false, |
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115 const char* msg = NULL, bool short_form = false); |
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116 |
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117 public: |
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118 void print_compilation(outputStream* st = tty, const char* msg = NULL, bool short_form = false); |
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119 static void print_compilation(outputStream* st, const nmethod* nm, const char* msg = NULL, bool short_form = false) { |
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120 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), |
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121 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /*is_blocking*/ false, |
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122 msg, short_form); |
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123 } |
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124 |
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125 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); |
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126 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { |
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127 print_inlining(tty, method, inline_level, bci, msg); |
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128 } |
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129 |
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130 // Redefine Classes support |
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131 void mark_on_stack(); |
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132 |
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133 static void print_inline_indent(int inline_level, outputStream* st = tty); |
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134 |
0 | 135 void print(); |
136 void print_line(); | |
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137 void print_line_on_error(outputStream* st, char* buf, int buflen); |
1783 | 138 |
0 | 139 void log_task(xmlStream* log); |
140 void log_task_queued(); | |
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141 void log_task_dequeued(const char* comment); |
0 | 142 void log_task_start(CompileLog* log); |
143 void log_task_done(CompileLog* log); | |
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144 |
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145 void set_failure_reason(const char* reason) { |
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146 _failure_reason = reason; |
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147 } |
0 | 148 }; |
149 | |
150 // CompilerCounters | |
151 // | |
152 // Per Compiler Performance Counters. | |
153 // | |
6197 | 154 class CompilerCounters : public CHeapObj<mtCompiler> { |
0 | 155 |
156 public: | |
157 enum { | |
158 cmname_buffer_length = 160 | |
159 }; | |
160 | |
161 private: | |
162 | |
163 char _current_method[cmname_buffer_length]; | |
164 PerfStringVariable* _perf_current_method; | |
165 | |
166 int _compile_type; | |
167 PerfVariable* _perf_compile_type; | |
168 | |
169 PerfCounter* _perf_time; | |
170 PerfCounter* _perf_compiles; | |
171 | |
172 public: | |
173 CompilerCounters(const char* name, int instance, TRAPS); | |
174 | |
175 // these methods should be called in a thread safe context | |
176 | |
177 void set_current_method(const char* method) { | |
178 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
179 if (UsePerfData) _perf_current_method->set_value(method); | |
180 } | |
181 | |
182 char* current_method() { return _current_method; } | |
183 | |
184 void set_compile_type(int compile_type) { | |
185 _compile_type = compile_type; | |
186 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
187 } | |
188 | |
189 int compile_type() { return _compile_type; } | |
190 | |
191 PerfCounter* time_counter() { return _perf_time; } | |
192 PerfCounter* compile_counter() { return _perf_compiles; } | |
193 }; | |
194 | |
195 // CompileQueue | |
196 // | |
197 // A list of CompileTasks. | |
6197 | 198 class CompileQueue : public CHeapObj<mtCompiler> { |
0 | 199 private: |
200 const char* _name; | |
201 Monitor* _lock; | |
202 | |
203 CompileTask* _first; | |
204 CompileTask* _last; | |
205 | |
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206 CompileTask* _first_stale; |
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207 |
1783 | 208 int _size; |
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209 |
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210 void purge_stale_tasks(); |
0 | 211 public: |
212 CompileQueue(const char* name, Monitor* lock) { | |
213 _name = name; | |
214 _lock = lock; | |
215 _first = NULL; | |
216 _last = NULL; | |
1783 | 217 _size = 0; |
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218 _first_stale = NULL; |
0 | 219 } |
220 | |
221 const char* name() const { return _name; } | |
222 Monitor* lock() const { return _lock; } | |
223 | |
224 void add(CompileTask* task); | |
1783 | 225 void remove(CompileTask* task); |
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226 void remove_and_mark_stale(CompileTask* task); |
1783 | 227 CompileTask* first() { return _first; } |
228 CompileTask* last() { return _last; } | |
0 | 229 |
230 CompileTask* get(); | |
231 | |
232 bool is_empty() const { return _first == NULL; } | |
1783 | 233 int size() const { return _size; } |
0 | 234 |
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235 |
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236 // Redefine Classes support |
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237 void mark_on_stack(); |
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238 void free_all(); |
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239 NOT_PRODUCT (void print();) |
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240 |
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241 ~CompileQueue() { |
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242 assert (is_empty(), " Compile Queue must be empty"); |
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243 } |
0 | 244 }; |
245 | |
1783 | 246 // CompileTaskWrapper |
247 // | |
248 // Assign this task to the current thread. Deallocate the task | |
249 // when the compilation is complete. | |
250 class CompileTaskWrapper : StackObj { | |
251 public: | |
252 CompileTaskWrapper(CompileTask* task); | |
253 ~CompileTaskWrapper(); | |
254 }; | |
255 | |
0 | 256 |
257 // Compilation | |
258 // | |
259 // The broker for all compilation requests. | |
260 class CompileBroker: AllStatic { | |
261 friend class Threads; | |
262 friend class CompileTaskWrapper; | |
263 | |
264 public: | |
265 enum { | |
266 name_buffer_length = 100 | |
267 }; | |
268 | |
269 // Compile type Information for print_last_compile() and CompilerCounters | |
270 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
14236 | 271 static int assign_compile_id (methodHandle method, int osr_bci); |
272 | |
0 | 273 |
274 private: | |
275 static bool _initialized; | |
276 static volatile bool _should_block; | |
277 | |
1202 | 278 // This flag can be used to stop compilation or turn it back on |
279 static volatile jint _should_compile_new_jobs; | |
280 | |
0 | 281 // The installed compiler(s) |
282 static AbstractCompiler* _compilers[2]; | |
283 | |
284 // These counters are used for assigning id's to each compilation | |
14236 | 285 static volatile jint _compilation_id; |
286 static volatile jint _osr_compilation_id; | |
0 | 287 |
288 static int _last_compile_type; | |
289 static int _last_compile_level; | |
290 static char _last_method_compiled[name_buffer_length]; | |
291 | |
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292 static CompileQueue* _c2_compile_queue; |
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293 static CompileQueue* _c1_compile_queue; |
0 | 294 |
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295 static GrowableArray<CompilerThread*>* _compiler_threads; |
0 | 296 |
297 // performance counters | |
298 static PerfCounter* _perf_total_compilation; | |
299 static PerfCounter* _perf_native_compilation; | |
300 static PerfCounter* _perf_osr_compilation; | |
301 static PerfCounter* _perf_standard_compilation; | |
302 | |
303 static PerfCounter* _perf_total_bailout_count; | |
304 static PerfCounter* _perf_total_invalidated_count; | |
305 static PerfCounter* _perf_total_compile_count; | |
306 static PerfCounter* _perf_total_native_compile_count; | |
307 static PerfCounter* _perf_total_osr_compile_count; | |
308 static PerfCounter* _perf_total_standard_compile_count; | |
309 | |
310 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
311 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
312 static PerfCounter* _perf_sum_nmethod_size; | |
313 static PerfCounter* _perf_sum_nmethod_code_size; | |
314 | |
315 static PerfStringVariable* _perf_last_method; | |
316 static PerfStringVariable* _perf_last_failed_method; | |
317 static PerfStringVariable* _perf_last_invalidated_method; | |
318 static PerfVariable* _perf_last_compile_type; | |
319 static PerfVariable* _perf_last_compile_size; | |
320 static PerfVariable* _perf_last_failed_type; | |
321 static PerfVariable* _perf_last_invalidated_type; | |
322 | |
323 // Timers and counters for generating statistics | |
324 static elapsedTimer _t_total_compilation; | |
325 static elapsedTimer _t_osr_compilation; | |
326 static elapsedTimer _t_standard_compilation; | |
327 | |
10405 | 328 static int _total_compile_count; |
0 | 329 static int _total_bailout_count; |
330 static int _total_invalidated_count; | |
331 static int _total_native_compile_count; | |
332 static int _total_osr_compile_count; | |
333 static int _total_standard_compile_count; | |
334 static int _sum_osr_bytes_compiled; | |
335 static int _sum_standard_bytes_compiled; | |
336 static int _sum_nmethod_size; | |
337 static int _sum_nmethod_code_size; | |
10405 | 338 static long _peak_compilation_time; |
0 | 339 |
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340 static volatile jint _print_compilation_warning; |
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341 |
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342 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, TRAPS); |
1783 | 343 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
0 | 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); | |
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346 static bool is_compile_blocking (); |
0 | 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); | |
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361 static void post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env); |
0 | 362 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); |
363 static void push_jni_handle_block(); | |
364 static void pop_jni_handle_block(); | |
365 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
366 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
367 | |
368 static void compile_method_base(methodHandle method, | |
369 int osr_bci, | |
370 int comp_level, | |
371 methodHandle hot_method, | |
372 int hot_count, | |
373 const char* comment, | |
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374 Thread* thread); |
1783 | 375 static CompileQueue* compile_queue(int comp_level) { |
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376 if (is_c2_compile(comp_level)) return _c2_compile_queue; |
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377 if (is_c1_compile(comp_level)) return _c1_compile_queue; |
1783 | 378 return NULL; |
379 } | |
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380 static bool init_compiler_runtime(); |
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381 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); |
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382 |
0 | 383 public: |
384 enum { | |
385 // The entry bci used for non-OSR compilations. | |
386 standard_entry_bci = InvocationEntryBci | |
387 }; | |
388 | |
1783 | 389 static AbstractCompiler* compiler(int comp_level) { |
390 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
391 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
392 return NULL; | |
0 | 393 } |
394 | |
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395 static bool compilation_is_in_queue(methodHandle method); |
1783 | 396 static int queue_size(int comp_level) { |
397 CompileQueue *q = compile_queue(comp_level); | |
398 return q != NULL ? q->size() : 0; | |
399 } | |
0 | 400 static void compilation_init(); |
401 static void init_compiler_thread_log(); | |
1783 | 402 static nmethod* compile_method(methodHandle method, |
403 int osr_bci, | |
404 int comp_level, | |
405 methodHandle hot_method, | |
406 int hot_count, | |
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407 const char* comment, Thread* thread); |
0 | 408 |
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409 // Acquire any needed locks and assign a compile id |
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410 static uint assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci); |
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411 |
0 | 412 static void compiler_thread_loop(); |
1202 | 413 static uint get_compilation_id() { return _compilation_id; } |
0 | 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 | |
1202 | 422 enum { |
423 // Flags for toggling compiler activity | |
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424 stop_compilation = 0, |
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425 run_compilation = 1, |
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426 shutdown_compilaton = 2 |
1202 | 427 }; |
428 | |
429 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
430 static bool set_should_compile_new_jobs(jint new_state) { | |
431 // Return success if the current caller set it | |
432 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
433 return (old == (1-new_state)); | |
434 } | |
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435 |
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436 static void disable_compilation_forever() { |
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437 UseCompiler = false; |
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438 AlwaysCompileLoopMethods = false; |
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439 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); |
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440 } |
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441 |
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442 static bool is_compilation_disabled_forever() { |
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443 return _should_compile_new_jobs == shutdown_compilaton; |
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444 } |
1202 | 445 static void handle_full_code_cache(); |
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446 // Ensures that warning is only printed once. |
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447 static bool should_print_compiler_warning() { |
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448 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); |
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449 return old == 0; |
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450 } |
0 | 451 // Return total compilation ticks |
452 static jlong total_compilation_ticks() { | |
453 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
454 } | |
455 | |
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456 // Redefine Classes support |
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457 static void mark_on_stack(); |
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458 |
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459 #ifdef GRAAL |
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460 // Print curent compilation time stats for a given compiler |
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461 static void print_times(AbstractCompiler* comp); |
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462 #endif |
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0 | 464 // Print a detailed accounting of compilation time |
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465 static void print_times(bool per_compiler = true, bool aggregate = true); |
0 | 466 |
467 // Debugging output for failure | |
468 static void print_last_compile(); | |
469 | |
470 static void print_compiler_threads_on(outputStream* st); | |
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471 |
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472 // compiler name for debugging |
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473 static const char* compiler_name(int comp_level); |
10405 | 474 |
475 static int get_total_compile_count() { return _total_compile_count; } | |
476 static int get_total_bailout_count() { return _total_bailout_count; } | |
477 static int get_total_invalidated_count() { return _total_invalidated_count; } | |
478 static int get_total_native_compile_count() { return _total_native_compile_count; } | |
479 static int get_total_osr_compile_count() { return _total_osr_compile_count; } | |
480 static int get_total_standard_compile_count() { return _total_standard_compile_count; } | |
481 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } | |
482 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } | |
483 static int get_sum_nmethod_size() { return _sum_nmethod_size;} | |
484 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } | |
485 static long get_peak_compilation_time() { return _peak_compilation_time; } | |
486 static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } | |
0 | 487 }; |
1972 | 488 |
489 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |