Mercurial > hg > truffle
annotate src/share/vm/compiler/compileBroker.cpp @ 16447:ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Thu, 10 Jul 2014 12:33:32 +0200 |
| parents | 4481cf549cfc |
| children | d2aa48d54db5 |
| rev | line source |
|---|---|
| 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 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
| 28 #include "code/codeCache.hpp" | |
| 29 #include "compiler/compileBroker.hpp" | |
| 30 #include "compiler/compileLog.hpp" | |
| 31 #include "compiler/compilerOracle.hpp" | |
| 32 #include "interpreter/linkResolver.hpp" | |
| 33 #include "memory/allocation.inline.hpp" | |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
| 1972 | 36 #include "oops/oop.inline.hpp" |
| 37 #include "prims/nativeLookup.hpp" | |
| 38 #include "runtime/arguments.hpp" | |
| 39 #include "runtime/compilationPolicy.hpp" | |
| 40 #include "runtime/init.hpp" | |
| 41 #include "runtime/interfaceSupport.hpp" | |
| 42 #include "runtime/javaCalls.hpp" | |
| 43 #include "runtime/os.hpp" | |
| 44 #include "runtime/sharedRuntime.hpp" | |
| 45 #include "runtime/sweeper.hpp" | |
| 10405 | 46 #include "trace/tracing.hpp" |
| 1972 | 47 #include "utilities/dtrace.hpp" |
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48 #include "utilities/events.hpp" |
| 1972 | 49 #ifdef COMPILER1 |
| 50 #include "c1/c1_Compiler.hpp" | |
| 51 #endif | |
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52 #ifdef GRAAL |
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53 #include "graal/graalCompiler.hpp" |
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54 #ifdef COMPILERGRAAL |
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55 #include "runtime/vframe.hpp" |
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56 #endif |
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57 #endif |
| 1972 | 58 #ifdef COMPILER2 |
| 59 #include "opto/c2compiler.hpp" | |
| 60 #endif | |
| 61 #ifdef SHARK | |
| 62 #include "shark/sharkCompiler.hpp" | |
| 63 #endif | |
| 0 | 64 |
| 65 #ifdef DTRACE_ENABLED | |
| 66 | |
| 67 // Only bother with this argument setup if dtrace is available | |
| 68 | |
| 14909 | 69 #ifndef USDT2 |
| 70 HS_DTRACE_PROBE_DECL8(hotspot, method__compile__begin, | |
| 71 char*, intptr_t, char*, intptr_t, char*, intptr_t, char*, intptr_t); | |
| 72 HS_DTRACE_PROBE_DECL9(hotspot, method__compile__end, | |
| 73 char*, intptr_t, char*, intptr_t, char*, intptr_t, char*, intptr_t, bool); | |
| 74 | |
| 75 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) \ | |
| 76 { \ | |
| 77 Symbol* klass_name = (method)->klass_name(); \ | |
| 78 Symbol* name = (method)->name(); \ | |
| 79 Symbol* signature = (method)->signature(); \ | |
| 80 HS_DTRACE_PROBE8(hotspot, method__compile__begin, \ | |
| 81 comp_name, strlen(comp_name), \ | |
| 82 klass_name->bytes(), klass_name->utf8_length(), \ | |
| 83 name->bytes(), name->utf8_length(), \ | |
| 84 signature->bytes(), signature->utf8_length()); \ | |
| 85 } | |
| 86 | |
| 87 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) \ | |
| 88 { \ | |
| 89 Symbol* klass_name = (method)->klass_name(); \ | |
| 90 Symbol* name = (method)->name(); \ | |
| 91 Symbol* signature = (method)->signature(); \ | |
| 92 HS_DTRACE_PROBE9(hotspot, method__compile__end, \ | |
| 93 comp_name, strlen(comp_name), \ | |
| 94 klass_name->bytes(), klass_name->utf8_length(), \ | |
| 95 name->bytes(), name->utf8_length(), \ | |
| 96 signature->bytes(), signature->utf8_length(), (success)); \ | |
| 97 } | |
| 98 | |
| 99 #else /* USDT2 */ | |
| 100 | |
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101 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) \ |
| 4006 | 102 { \ |
| 103 Symbol* klass_name = (method)->klass_name(); \ | |
| 104 Symbol* name = (method)->name(); \ | |
| 105 Symbol* signature = (method)->signature(); \ | |
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106 HOTSPOT_METHOD_COMPILE_BEGIN( \ |
| 14909 | 107 comp_name, strlen(comp_name), \ |
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108 (char *) klass_name->bytes(), klass_name->utf8_length(), \ |
| 4006 | 109 (char *) name->bytes(), name->utf8_length(), \ |
| 110 (char *) signature->bytes(), signature->utf8_length()); \ | |
| 111 } | |
| 112 | |
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113 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) \ |
| 4006 | 114 { \ |
| 115 Symbol* klass_name = (method)->klass_name(); \ | |
| 116 Symbol* name = (method)->name(); \ | |
| 117 Symbol* signature = (method)->signature(); \ | |
| 118 HOTSPOT_METHOD_COMPILE_END( \ | |
| 14909 | 119 comp_name, strlen(comp_name), \ |
| 4006 | 120 (char *) klass_name->bytes(), klass_name->utf8_length(), \ |
| 121 (char *) name->bytes(), name->utf8_length(), \ | |
| 122 (char *) signature->bytes(), signature->utf8_length(), (success)); \ | |
| 123 } | |
| 14909 | 124 #endif /* USDT2 */ |
| 4006 | 125 |
| 0 | 126 #else // ndef DTRACE_ENABLED |
| 127 | |
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128 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) |
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129 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) |
| 0 | 130 |
| 131 #endif // ndef DTRACE_ENABLED | |
| 132 | |
| 133 bool CompileBroker::_initialized = false; | |
| 134 volatile bool CompileBroker::_should_block = false; | |
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135 volatile jint CompileBroker::_print_compilation_warning = 0; |
| 1202 | 136 volatile jint CompileBroker::_should_compile_new_jobs = run_compilation; |
| 0 | 137 |
| 138 // The installed compiler(s) | |
| 139 AbstractCompiler* CompileBroker::_compilers[2]; | |
| 140 | |
| 14909 | 141 // These counters are used for assigning id's to each compilation |
| 142 uint CompileBroker::_compilation_id = 0; | |
| 143 uint CompileBroker::_osr_compilation_id = 0; | |
| 0 | 144 |
| 145 // Debugging information | |
| 146 int CompileBroker::_last_compile_type = no_compile; | |
| 147 int CompileBroker::_last_compile_level = CompLevel_none; | |
| 148 char CompileBroker::_last_method_compiled[CompileBroker::name_buffer_length]; | |
| 149 | |
| 150 // Performance counters | |
| 151 PerfCounter* CompileBroker::_perf_total_compilation = NULL; | |
| 152 PerfCounter* CompileBroker::_perf_osr_compilation = NULL; | |
| 153 PerfCounter* CompileBroker::_perf_standard_compilation = NULL; | |
| 154 | |
| 155 PerfCounter* CompileBroker::_perf_total_bailout_count = NULL; | |
| 156 PerfCounter* CompileBroker::_perf_total_invalidated_count = NULL; | |
| 157 PerfCounter* CompileBroker::_perf_total_compile_count = NULL; | |
| 158 PerfCounter* CompileBroker::_perf_total_osr_compile_count = NULL; | |
| 159 PerfCounter* CompileBroker::_perf_total_standard_compile_count = NULL; | |
| 160 | |
| 161 PerfCounter* CompileBroker::_perf_sum_osr_bytes_compiled = NULL; | |
| 162 PerfCounter* CompileBroker::_perf_sum_standard_bytes_compiled = NULL; | |
| 163 PerfCounter* CompileBroker::_perf_sum_nmethod_size = NULL; | |
| 164 PerfCounter* CompileBroker::_perf_sum_nmethod_code_size = NULL; | |
| 165 | |
| 166 PerfStringVariable* CompileBroker::_perf_last_method = NULL; | |
| 167 PerfStringVariable* CompileBroker::_perf_last_failed_method = NULL; | |
| 168 PerfStringVariable* CompileBroker::_perf_last_invalidated_method = NULL; | |
| 169 PerfVariable* CompileBroker::_perf_last_compile_type = NULL; | |
| 170 PerfVariable* CompileBroker::_perf_last_compile_size = NULL; | |
| 171 PerfVariable* CompileBroker::_perf_last_failed_type = NULL; | |
| 172 PerfVariable* CompileBroker::_perf_last_invalidated_type = NULL; | |
| 173 | |
| 174 // Timers and counters for generating statistics | |
| 175 elapsedTimer CompileBroker::_t_total_compilation; | |
| 176 elapsedTimer CompileBroker::_t_osr_compilation; | |
| 177 elapsedTimer CompileBroker::_t_standard_compilation; | |
| 178 | |
| 179 int CompileBroker::_total_bailout_count = 0; | |
| 180 int CompileBroker::_total_invalidated_count = 0; | |
| 181 int CompileBroker::_total_compile_count = 0; | |
| 182 int CompileBroker::_total_osr_compile_count = 0; | |
| 183 int CompileBroker::_total_standard_compile_count = 0; | |
| 184 | |
| 185 int CompileBroker::_sum_osr_bytes_compiled = 0; | |
| 186 int CompileBroker::_sum_standard_bytes_compiled = 0; | |
| 187 int CompileBroker::_sum_nmethod_size = 0; | |
| 188 int CompileBroker::_sum_nmethod_code_size = 0; | |
| 189 | |
| 10405 | 190 long CompileBroker::_peak_compilation_time = 0; |
| 191 | |
| 192 CompileQueue* CompileBroker::_c2_method_queue = NULL; | |
| 193 CompileQueue* CompileBroker::_c1_method_queue = NULL; | |
| 194 CompileTask* CompileBroker::_task_free_list = NULL; | |
| 0 | 195 |
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196 GrowableArray<CompilerThread*>* CompileBroker::_compiler_threads = NULL; |
| 0 | 197 |
| 198 | |
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199 class CompilationLog : public StringEventLog { |
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200 public: |
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201 CompilationLog() : StringEventLog("Compilation events") { |
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202 } |
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203 |
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204 void log_compile(JavaThread* thread, CompileTask* task) { |
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205 StringLogMessage lm; |
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206 stringStream sstr = lm.stream(); |
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207 // msg.time_stamp().update_to(tty->time_stamp().ticks()); |
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208 task->print_compilation(&sstr, NULL, true); |
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209 log(thread, "%s", (const char*)lm); |
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210 } |
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211 |
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212 void log_nmethod(JavaThread* thread, nmethod* nm) { |
| 4944 | 213 log(thread, "nmethod %d%s " INTPTR_FORMAT " code ["INTPTR_FORMAT ", " INTPTR_FORMAT "]", |
| 214 nm->compile_id(), nm->is_osr_method() ? "%" : "", | |
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215 nm, nm->code_begin(), nm->code_end()); |
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216 } |
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217 |
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218 void log_failure(JavaThread* thread, CompileTask* task, const char* reason, const char* retry_message) { |
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219 StringLogMessage lm; |
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220 lm.print("%4d COMPILE SKIPPED: %s", task->compile_id(), reason); |
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221 if (retry_message != NULL) { |
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222 lm.append(" (%s)", retry_message); |
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223 } |
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224 lm.print("\n"); |
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225 log(thread, "%s", (const char*)lm); |
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226 } |
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227 }; |
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228 |
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229 static CompilationLog* _compilation_log = NULL; |
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230 |
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231 void compileBroker_init() { |
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232 if (LogEvents) { |
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233 _compilation_log = new CompilationLog(); |
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234 } |
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235 } |
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236 |
| 0 | 237 CompileTaskWrapper::CompileTaskWrapper(CompileTask* task) { |
| 238 CompilerThread* thread = CompilerThread::current(); | |
| 239 thread->set_task(task); | |
| 240 CompileLog* log = thread->log(); | |
| 241 if (log != NULL) task->log_task_start(log); | |
| 242 } | |
| 243 | |
| 244 CompileTaskWrapper::~CompileTaskWrapper() { | |
| 245 CompilerThread* thread = CompilerThread::current(); | |
| 246 CompileTask* task = thread->task(); | |
| 247 CompileLog* log = thread->log(); | |
| 248 if (log != NULL) task->log_task_done(log); | |
| 249 thread->set_task(NULL); | |
| 250 task->set_code_handle(NULL); | |
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251 thread->set_env(NULL); |
| 0 | 252 if (task->is_blocking()) { |
| 253 MutexLocker notifier(task->lock(), thread); | |
| 254 task->mark_complete(); | |
| 255 // Notify the waiting thread that the compilation has completed. | |
| 256 task->lock()->notify_all(); | |
| 257 } else { | |
| 258 task->mark_complete(); | |
| 259 | |
| 260 // By convention, the compiling thread is responsible for | |
| 261 // recycling a non-blocking CompileTask. | |
| 262 CompileBroker::free_task(task); | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 | |
| 267 // ------------------------------------------------------------------ | |
| 268 // CompileTask::initialize | |
| 269 void CompileTask::initialize(int compile_id, | |
| 270 methodHandle method, | |
| 271 int osr_bci, | |
| 272 int comp_level, | |
| 273 methodHandle hot_method, | |
| 274 int hot_count, | |
| 275 const char* comment, | |
| 276 bool is_blocking) { | |
| 277 assert(!_lock->is_locked(), "bad locking"); | |
| 278 | |
| 279 _compile_id = compile_id; | |
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280 _method = method(); |
| 7409 | 281 _method_holder = JNIHandles::make_global(method->method_holder()->klass_holder()); |
| 0 | 282 _osr_bci = osr_bci; |
| 283 _is_blocking = is_blocking; | |
| 284 _comp_level = comp_level; | |
| 285 _num_inlined_bytecodes = 0; | |
| 286 | |
| 287 _is_complete = false; | |
| 288 _is_success = false; | |
| 289 _code_handle = NULL; | |
| 290 | |
| 291 _hot_method = NULL; | |
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292 _hot_method_holder = NULL; |
| 0 | 293 _hot_count = hot_count; |
| 294 _time_queued = 0; // tidy | |
| 295 _comment = comment; | |
| 296 | |
| 297 if (LogCompilation) { | |
| 298 _time_queued = os::elapsed_counter(); | |
| 299 if (hot_method.not_null()) { | |
| 300 if (hot_method == method) { | |
| 301 _hot_method = _method; | |
| 302 } else { | |
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303 _hot_method = hot_method(); |
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304 // only add loader or mirror if different from _method_holder |
| 7409 | 305 _hot_method_holder = JNIHandles::make_global(hot_method->method_holder()->klass_holder()); |
| 0 | 306 } |
| 307 } | |
| 308 } | |
| 309 | |
| 310 _next = NULL; | |
| 311 } | |
| 312 | |
| 313 // ------------------------------------------------------------------ | |
| 314 // CompileTask::code/set_code | |
| 315 nmethod* CompileTask::code() const { | |
| 316 if (_code_handle == NULL) return NULL; | |
| 317 return _code_handle->code(); | |
| 318 } | |
| 319 void CompileTask::set_code(nmethod* nm) { | |
| 320 if (_code_handle == NULL && nm == NULL) return; | |
| 321 guarantee(_code_handle != NULL, ""); | |
| 322 _code_handle->set_code(nm); | |
| 323 if (nm == NULL) _code_handle = NULL; // drop the handle also | |
| 324 } | |
| 325 | |
| 326 // ------------------------------------------------------------------ | |
| 327 // CompileTask::free | |
| 328 void CompileTask::free() { | |
| 329 set_code(NULL); | |
| 330 assert(!_lock->is_locked(), "Should not be locked when freed"); | |
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331 JNIHandles::destroy_global(_method_holder); |
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332 JNIHandles::destroy_global(_hot_method_holder); |
| 0 | 333 } |
| 334 | |
| 335 | |
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336 void CompileTask::mark_on_stack() { |
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337 // Mark these methods as something redefine classes cannot remove. |
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338 _method->set_on_stack(true); |
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339 if (_hot_method != NULL) { |
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340 _hot_method->set_on_stack(true); |
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341 } |
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342 } |
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343 |
| 0 | 344 // ------------------------------------------------------------------ |
| 345 // CompileTask::print | |
| 346 void CompileTask::print() { | |
| 347 tty->print("<CompileTask compile_id=%d ", _compile_id); | |
| 348 tty->print("method="); | |
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349 _method->print_name(tty); |
| 0 | 350 tty->print_cr(" osr_bci=%d is_blocking=%s is_complete=%s is_success=%s>", |
| 351 _osr_bci, bool_to_str(_is_blocking), | |
| 352 bool_to_str(_is_complete), bool_to_str(_is_success)); | |
| 353 } | |
| 354 | |
| 1783 | 355 |
| 0 | 356 // ------------------------------------------------------------------ |
| 357 // CompileTask::print_line_on_error | |
| 358 // | |
| 359 // This function is called by fatal error handler when the thread | |
| 360 // causing troubles is a compiler thread. | |
| 361 // | |
| 362 // Do not grab any lock, do not allocate memory. | |
| 363 // | |
| 364 // Otherwise it's the same as CompileTask::print_line() | |
| 365 // | |
| 366 void CompileTask::print_line_on_error(outputStream* st, char* buf, int buflen) { | |
| 367 // print compiler name | |
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368 st->print("%s:", CompileBroker::compiler_name(comp_level())); |
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369 print_compilation(st); |
| 0 | 370 } |
| 371 | |
| 372 // ------------------------------------------------------------------ | |
| 373 // CompileTask::print_line | |
| 374 void CompileTask::print_line() { | |
| 375 ttyLocker ttyl; // keep the following output all in one block | |
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376 print_compilation(); |
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377 } |
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378 |
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379 |
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380 // ------------------------------------------------------------------ |
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381 // CompileTask::print_compilation_impl |
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382 void CompileTask::print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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383 bool is_osr_method, int osr_bci, bool is_blocking, |
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384 const char* msg, bool short_form) { |
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385 if (!short_form) { |
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386 st->print("%7d ", (int) st->time_stamp().milliseconds()); // print timestamp |
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387 } |
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388 // print compiler name if requested |
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389 if (CIPrintCompilerName) st->print("%s:", CompileBroker::compiler_name(comp_level)); |
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390 st->print("%4d ", compile_id); // print compilation number |
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391 |
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392 // For unloaded methods the transition to zombie occurs after the |
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393 // method is cleared so it's impossible to report accurate |
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394 // information for that case. |
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395 bool is_synchronized = false; |
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396 bool has_exception_handler = false; |
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397 bool is_native = false; |
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398 if (method != NULL) { |
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399 is_synchronized = method->is_synchronized(); |
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400 has_exception_handler = method->has_exception_handler(); |
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401 is_native = method->is_native(); |
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402 } |
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403 // method attributes |
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404 const char compile_type = is_osr_method ? '%' : ' '; |
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405 const char sync_char = is_synchronized ? 's' : ' '; |
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406 const char exception_char = has_exception_handler ? '!' : ' '; |
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407 const char blocking_char = is_blocking ? 'b' : ' '; |
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408 const char native_char = is_native ? 'n' : ' '; |
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409 |
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410 // print method attributes |
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411 st->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, native_char); |
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412 |
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413 if (TieredCompilation) { |
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414 if (comp_level != -1) st->print("%d ", comp_level); |
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415 else st->print("- "); |
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416 } |
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417 st->print(" "); // more indent |
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418 |
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419 if (method == NULL) { |
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420 st->print("(method)"); |
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421 } else { |
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422 method->print_short_name(st); |
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423 if (is_osr_method) { |
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424 st->print(" @ %d", osr_bci); |
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425 } |
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426 if (method->is_native()) |
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427 st->print(" (native)"); |
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428 else |
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429 st->print(" (%d bytes)", method->code_size()); |
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430 } |
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431 |
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432 if (msg != NULL) { |
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433 st->print(" %s", msg); |
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434 } |
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435 if (!short_form) { |
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436 st->cr(); |
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437 } |
| 0 | 438 } |
| 439 | |
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440 // ------------------------------------------------------------------ |
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441 // CompileTask::print_inlining |
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442 void CompileTask::print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg) { |
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443 // 1234567 |
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444 st->print(" "); // print timestamp |
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445 // 1234 |
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446 st->print(" "); // print compilation number |
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447 |
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448 // method attributes |
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449 if (method->is_loaded()) { |
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450 const char sync_char = method->is_synchronized() ? 's' : ' '; |
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451 const char exception_char = method->has_exception_handlers() ? '!' : ' '; |
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452 const char monitors_char = method->has_monitor_bytecodes() ? 'm' : ' '; |
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453 |
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454 // print method attributes |
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455 st->print(" %c%c%c ", sync_char, exception_char, monitors_char); |
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456 } else { |
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457 // %s!bn |
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458 st->print(" "); // print method attributes |
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459 } |
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460 |
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461 if (TieredCompilation) { |
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462 st->print(" "); |
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463 } |
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464 st->print(" "); // more indent |
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465 st->print(" "); // initial inlining indent |
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466 |
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467 for (int i = 0; i < inline_level; i++) st->print(" "); |
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468 |
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469 st->print("@ %d ", bci); // print bci |
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470 method->print_short_name(st); |
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471 if (method->is_loaded()) |
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472 st->print(" (%d bytes)", method->code_size()); |
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473 else |
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474 st->print(" (not loaded)"); |
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475 |
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476 if (msg != NULL) { |
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477 st->print(" %s", msg); |
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478 } |
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479 st->cr(); |
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480 } |
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481 |
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482 // ------------------------------------------------------------------ |
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483 // CompileTask::print_inline_indent |
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484 void CompileTask::print_inline_indent(int inline_level, outputStream* st) { |
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485 // 1234567 |
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486 st->print(" "); // print timestamp |
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487 // 1234 |
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488 st->print(" "); // print compilation number |
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489 // %s!bn |
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490 st->print(" "); // print method attributes |
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491 if (TieredCompilation) { |
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492 st->print(" "); |
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493 } |
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494 st->print(" "); // more indent |
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495 st->print(" "); // initial inlining indent |
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496 for (int i = 0; i < inline_level; i++) st->print(" "); |
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497 } |
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498 |
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499 // ------------------------------------------------------------------ |
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500 // CompileTask::print_compilation |
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501 void CompileTask::print_compilation(outputStream* st, const char* msg, bool short_form) { |
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502 bool is_osr_method = osr_bci() != InvocationEntryBci; |
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503 print_compilation_impl(st, method(), compile_id(), comp_level(), is_osr_method, osr_bci(), is_blocking(), msg, short_form); |
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504 } |
| 0 | 505 |
| 506 // ------------------------------------------------------------------ | |
| 507 // CompileTask::log_task | |
| 508 void CompileTask::log_task(xmlStream* log) { | |
| 509 Thread* thread = Thread::current(); | |
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510 methodHandle method(thread, this->method()); |
| 0 | 511 ResourceMark rm(thread); |
| 512 | |
| 513 // <task id='9' method='M' osr_bci='X' level='1' blocking='1' stamp='1.234'> | |
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514 log->print(" compile_id='%d'", _compile_id); |
| 0 | 515 if (_osr_bci != CompileBroker::standard_entry_bci) { |
| 516 log->print(" compile_kind='osr'"); // same as nmethod::compile_kind | |
| 517 } // else compile_kind='c2c' | |
| 518 if (!method.is_null()) log->method(method); | |
| 519 if (_osr_bci != CompileBroker::standard_entry_bci) { | |
| 520 log->print(" osr_bci='%d'", _osr_bci); | |
| 521 } | |
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522 // Always print the level in tiered. |
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523 if (_comp_level != CompLevel_highest_tier || TieredCompilation) { |
| 0 | 524 log->print(" level='%d'", _comp_level); |
| 525 } | |
| 526 if (_is_blocking) { | |
| 527 log->print(" blocking='1'"); | |
| 528 } | |
| 529 log->stamp(); | |
| 530 } | |
| 531 | |
| 532 | |
| 533 // ------------------------------------------------------------------ | |
| 534 // CompileTask::log_task_queued | |
| 535 void CompileTask::log_task_queued() { | |
| 536 Thread* thread = Thread::current(); | |
| 537 ttyLocker ttyl; | |
| 538 ResourceMark rm(thread); | |
| 539 | |
| 540 xtty->begin_elem("task_queued"); | |
| 541 log_task(xtty); | |
| 542 if (_comment != NULL) { | |
| 543 xtty->print(" comment='%s'", _comment); | |
| 544 } | |
| 545 if (_hot_method != NULL) { | |
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546 methodHandle hot(thread, _hot_method); |
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547 methodHandle method(thread, _method); |
| 0 | 548 if (hot() != method()) { |
| 549 xtty->method(hot); | |
| 550 } | |
| 551 } | |
| 552 if (_hot_count != 0) { | |
| 553 xtty->print(" hot_count='%d'", _hot_count); | |
| 554 } | |
| 555 xtty->end_elem(); | |
| 556 } | |
| 557 | |
| 558 | |
| 559 // ------------------------------------------------------------------ | |
| 560 // CompileTask::log_task_start | |
| 561 void CompileTask::log_task_start(CompileLog* log) { | |
| 562 log->begin_head("task"); | |
| 563 log_task(log); | |
| 564 log->end_head(); | |
| 565 } | |
| 566 | |
| 567 | |
| 568 // ------------------------------------------------------------------ | |
| 569 // CompileTask::log_task_done | |
| 570 void CompileTask::log_task_done(CompileLog* log) { | |
| 571 Thread* thread = Thread::current(); | |
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572 methodHandle method(thread, this->method()); |
| 0 | 573 ResourceMark rm(thread); |
| 574 | |
| 575 // <task_done ... stamp='1.234'> </task> | |
| 576 nmethod* nm = code(); | |
| 577 log->begin_elem("task_done success='%d' nmsize='%d' count='%d'", | |
| 1748 | 578 _is_success, nm == NULL ? 0 : nm->content_size(), |
| 0 | 579 method->invocation_count()); |
| 580 int bec = method->backedge_count(); | |
| 581 if (bec != 0) log->print(" backedge_count='%d'", bec); | |
| 582 // Note: "_is_complete" is about to be set, but is not. | |
| 583 if (_num_inlined_bytecodes != 0) { | |
| 584 log->print(" inlined_bytes='%d'", _num_inlined_bytecodes); | |
| 585 } | |
| 586 log->stamp(); | |
| 587 log->end_elem(); | |
| 588 log->tail("task"); | |
| 589 log->clear_identities(); // next task will have different CI | |
| 590 if (log->unflushed_count() > 2000) { | |
| 591 log->flush(); | |
| 592 } | |
| 593 log->mark_file_end(); | |
| 594 } | |
| 595 | |
| 596 | |
| 597 | |
| 598 // Add a CompileTask to a CompileQueue | |
| 599 void CompileQueue::add(CompileTask* task) { | |
| 600 assert(lock()->owned_by_self(), "must own lock"); | |
| 601 | |
| 602 task->set_next(NULL); | |
| 1783 | 603 task->set_prev(NULL); |
| 0 | 604 |
| 605 if (_last == NULL) { | |
| 606 // The compile queue is empty. | |
| 607 assert(_first == NULL, "queue is empty"); | |
| 608 _first = task; | |
| 609 _last = task; | |
| 610 } else { | |
| 611 // Append the task to the queue. | |
| 612 assert(_last->next() == NULL, "not last"); | |
| 613 _last->set_next(task); | |
| 1783 | 614 task->set_prev(_last); |
| 0 | 615 _last = task; |
| 616 } | |
| 1783 | 617 ++_size; |
| 0 | 618 |
| 619 // Mark the method as being in the compile queue. | |
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620 task->method()->set_queued_for_compilation(); |
| 0 | 621 |
| 622 if (CIPrintCompileQueue) { | |
| 623 print(); | |
| 624 } | |
| 625 | |
| 626 if (LogCompilation && xtty != NULL) { | |
| 627 task->log_task_queued(); | |
| 628 } | |
| 629 | |
| 630 // Notify CompilerThreads that a task is available. | |
| 1783 | 631 lock()->notify_all(); |
| 0 | 632 } |
| 633 | |
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634 void CompileQueue::delete_all() { |
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635 assert(lock()->owned_by_self(), "must own lock"); |
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636 if (_first != NULL) { |
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637 for (CompileTask* task = _first; task != NULL; task = task->next()) { |
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638 delete task; |
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639 } |
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640 _first = NULL; |
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641 } |
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642 } |
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643 |
| 0 | 644 // ------------------------------------------------------------------ |
| 645 // CompileQueue::get | |
| 646 // | |
| 647 // Get the next CompileTask from a CompileQueue | |
| 648 CompileTask* CompileQueue::get() { | |
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649 NMethodSweeper::possibly_sweep(); |
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650 |
| 0 | 651 MutexLocker locker(lock()); |
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652 // If _first is NULL we have no more compile jobs. There are two reasons for |
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653 // having no compile jobs: First, we compiled everything we wanted. Second, |
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654 // we ran out of code cache so compilation has been disabled. In the latter |
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655 // case we perform code cache sweeps to free memory such that we can re-enable |
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656 // compilation. |
| 0 | 657 while (_first == NULL) { |
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658 // Exit loop if compilation is disabled forever |
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659 if (CompileBroker::is_compilation_disabled_forever()) { |
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660 return NULL; |
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661 } |
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662 |
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663 if (UseCodeCacheFlushing && !CompileBroker::should_compile_new_jobs()) { |
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664 // Wait a certain amount of time to possibly do another sweep. |
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665 // We must wait until stack scanning has happened so that we can |
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666 // transition a method's state from 'not_entrant' to 'zombie'. |
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667 long wait_time = NmethodSweepCheckInterval * 1000; |
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668 if (FLAG_IS_DEFAULT(NmethodSweepCheckInterval)) { |
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669 // Only one thread at a time can do sweeping. Scale the |
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670 // wait time according to the number of compiler threads. |
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671 // As a result, the next sweep is likely to happen every 100ms |
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672 // with an arbitrary number of threads that do sweeping. |
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673 wait_time = 100 * CICompilerCount; |
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674 } |
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675 bool timeout = lock()->wait(!Mutex::_no_safepoint_check_flag, wait_time); |
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676 if (timeout) { |
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677 MutexUnlocker ul(lock()); |
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678 NMethodSweeper::possibly_sweep(); |
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679 } |
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680 } else { |
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681 // If there are no compilation tasks and we can compile new jobs |
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682 // (i.e., there is enough free space in the code cache) there is |
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683 // no need to invoke the sweeper. As a result, the hotness of methods |
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684 // remains unchanged. This behavior is desired, since we want to keep |
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685 // the stable state, i.e., we do not want to evict methods from the |
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686 // code cache if it is unnecessary. |
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687 // We need a timed wait here, since compiler threads can exit if compilation |
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688 // is disabled forever. We use 5 seconds wait time; the exiting of compiler threads |
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689 // is not critical and we do not want idle compiler threads to wake up too often. |
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690 lock()->wait(!Mutex::_no_safepoint_check_flag, 5*1000); |
|
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691 } |
| 0 | 692 } |
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693 |
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694 if (CompileBroker::is_compilation_disabled_forever()) { |
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695 return NULL; |
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696 } |
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697 |
| 1783 | 698 CompileTask* task = CompilationPolicy::policy()->select_task(this); |
| 699 remove(task); | |
| 700 return task; | |
| 701 } | |
| 0 | 702 |
| 1783 | 703 void CompileQueue::remove(CompileTask* task) |
| 704 { | |
| 705 assert(lock()->owned_by_self(), "must own lock"); | |
| 706 if (task->prev() != NULL) { | |
| 707 task->prev()->set_next(task->next()); | |
| 708 } else { | |
| 709 // max is the first element | |
| 710 assert(task == _first, "Sanity"); | |
| 711 _first = task->next(); | |
| 0 | 712 } |
| 713 | |
| 1783 | 714 if (task->next() != NULL) { |
| 715 task->next()->set_prev(task->prev()); | |
| 716 } else { | |
| 717 // max is the last element | |
| 718 assert(task == _last, "Sanity"); | |
| 719 _last = task->prev(); | |
| 720 } | |
| 721 --_size; | |
| 0 | 722 } |
| 723 | |
|
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724 // methods in the compile queue need to be marked as used on the stack |
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725 // so that they don't get reclaimed by Redefine Classes |
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726 void CompileQueue::mark_on_stack() { |
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727 CompileTask* task = _first; |
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728 while (task != NULL) { |
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729 task->mark_on_stack(); |
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730 task = task->next(); |
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731 } |
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732 } |
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733 |
| 0 | 734 // ------------------------------------------------------------------ |
| 735 // CompileQueue::print | |
| 736 void CompileQueue::print() { | |
| 737 tty->print_cr("Contents of %s", name()); | |
| 738 tty->print_cr("----------------------"); | |
| 739 CompileTask* task = _first; | |
| 740 while (task != NULL) { | |
| 741 task->print_line(); | |
| 742 task = task->next(); | |
| 743 } | |
| 744 tty->print_cr("----------------------"); | |
| 745 } | |
| 746 | |
| 747 CompilerCounters::CompilerCounters(const char* thread_name, int instance, TRAPS) { | |
| 748 | |
| 749 _current_method[0] = '\0'; | |
| 750 _compile_type = CompileBroker::no_compile; | |
| 751 | |
| 752 if (UsePerfData) { | |
| 753 ResourceMark rm; | |
| 754 | |
| 755 // create the thread instance name space string - don't create an | |
| 756 // instance subspace if instance is -1 - keeps the adapterThread | |
| 757 // counters from having a ".0" namespace. | |
| 758 const char* thread_i = (instance == -1) ? thread_name : | |
| 759 PerfDataManager::name_space(thread_name, instance); | |
| 760 | |
| 761 | |
| 762 char* name = PerfDataManager::counter_name(thread_i, "method"); | |
| 763 _perf_current_method = | |
| 764 PerfDataManager::create_string_variable(SUN_CI, name, | |
| 765 cmname_buffer_length, | |
| 766 _current_method, CHECK); | |
| 767 | |
| 768 name = PerfDataManager::counter_name(thread_i, "type"); | |
| 769 _perf_compile_type = PerfDataManager::create_variable(SUN_CI, name, | |
| 770 PerfData::U_None, | |
| 771 (jlong)_compile_type, | |
| 772 CHECK); | |
| 773 | |
| 774 name = PerfDataManager::counter_name(thread_i, "time"); | |
| 775 _perf_time = PerfDataManager::create_counter(SUN_CI, name, | |
| 776 PerfData::U_Ticks, CHECK); | |
| 777 | |
| 778 name = PerfDataManager::counter_name(thread_i, "compiles"); | |
| 779 _perf_compiles = PerfDataManager::create_counter(SUN_CI, name, | |
| 780 PerfData::U_Events, CHECK); | |
| 781 } | |
| 782 } | |
| 783 | |
| 784 // ------------------------------------------------------------------ | |
| 785 // CompileBroker::compilation_init | |
| 786 // | |
| 787 // Initialize the Compilation object | |
| 788 void CompileBroker::compilation_init() { | |
| 789 _last_method_compiled[0] = '\0'; | |
| 790 | |
|
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791 // No need to initialize compilation system if we do not use it. |
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792 if (!UseCompiler) { |
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793 return; |
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794 } |
| 1970 | 795 #ifndef SHARK |
| 0 | 796 // Set the interface to the current compiler(s). |
| 1783 | 797 int c1_count = CompilationPolicy::policy()->compiler_count(CompLevel_simple); |
| 798 int c2_count = CompilationPolicy::policy()->compiler_count(CompLevel_full_optimization); | |
|
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799 #ifdef GRAAL |
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800 GraalCompiler* graal = new GraalCompiler(); |
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801 #endif |
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802 |
| 0 | 803 #ifdef COMPILER1 |
| 1783 | 804 if (c1_count > 0) { |
| 805 _compilers[0] = new Compiler(); | |
| 806 } | |
| 0 | 807 #endif // COMPILER1 |
| 808 | |
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809 #if defined(COMPILERGRAAL) |
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810 _compilers[1] = graal; |
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811 if (FLAG_IS_DEFAULT(GraalThreads)) { |
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812 if (!TieredCompilation && FLAG_IS_DEFAULT(BootstrapGraal) || BootstrapGraal) { |
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813 // Graal will bootstrap so give it more threads |
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814 c2_count = os::active_processor_count(); |
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815 } |
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816 } else { |
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817 c2_count = GraalThreads; |
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818 } |
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819 #endif // COMPILERGRAAL |
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820 |
| 0 | 821 #ifdef COMPILER2 |
| 1783 | 822 if (c2_count > 0) { |
| 823 _compilers[1] = new C2Compiler(); | |
| 824 } | |
| 0 | 825 #endif // COMPILER2 |
| 1970 | 826 #else // SHARK |
| 827 int c1_count = 0; | |
| 828 int c2_count = 1; | |
| 829 | |
| 830 _compilers[1] = new SharkCompiler(); | |
| 831 #endif // SHARK | |
| 1692 | 832 |
| 0 | 833 // Initialize the CompileTask free list |
| 834 _task_free_list = NULL; | |
| 835 | |
| 836 // Start the CompilerThreads | |
| 1783 | 837 init_compiler_threads(c1_count, c2_count); |
| 0 | 838 // totalTime performance counter is always created as it is required |
| 839 // by the implementation of java.lang.management.CompilationMBean. | |
| 840 { | |
| 841 EXCEPTION_MARK; | |
| 842 _perf_total_compilation = | |
| 843 PerfDataManager::create_counter(JAVA_CI, "totalTime", | |
| 844 PerfData::U_Ticks, CHECK); | |
| 845 } | |
| 846 | |
| 847 | |
| 848 if (UsePerfData) { | |
| 849 | |
| 850 EXCEPTION_MARK; | |
| 851 | |
| 852 // create the jvmstat performance counters | |
| 853 _perf_osr_compilation = | |
| 854 PerfDataManager::create_counter(SUN_CI, "osrTime", | |
| 855 PerfData::U_Ticks, CHECK); | |
| 856 | |
| 857 _perf_standard_compilation = | |
| 858 PerfDataManager::create_counter(SUN_CI, "standardTime", | |
| 859 PerfData::U_Ticks, CHECK); | |
| 860 | |
| 861 _perf_total_bailout_count = | |
| 862 PerfDataManager::create_counter(SUN_CI, "totalBailouts", | |
| 863 PerfData::U_Events, CHECK); | |
| 864 | |
| 865 _perf_total_invalidated_count = | |
| 866 PerfDataManager::create_counter(SUN_CI, "totalInvalidates", | |
| 867 PerfData::U_Events, CHECK); | |
| 868 | |
| 869 _perf_total_compile_count = | |
| 870 PerfDataManager::create_counter(SUN_CI, "totalCompiles", | |
| 871 PerfData::U_Events, CHECK); | |
| 872 _perf_total_osr_compile_count = | |
| 873 PerfDataManager::create_counter(SUN_CI, "osrCompiles", | |
| 874 PerfData::U_Events, CHECK); | |
| 875 | |
| 876 _perf_total_standard_compile_count = | |
| 877 PerfDataManager::create_counter(SUN_CI, "standardCompiles", | |
| 878 PerfData::U_Events, CHECK); | |
| 879 | |
| 880 _perf_sum_osr_bytes_compiled = | |
| 881 PerfDataManager::create_counter(SUN_CI, "osrBytes", | |
| 882 PerfData::U_Bytes, CHECK); | |
| 883 | |
| 884 _perf_sum_standard_bytes_compiled = | |
| 885 PerfDataManager::create_counter(SUN_CI, "standardBytes", | |
| 886 PerfData::U_Bytes, CHECK); | |
| 887 | |
| 888 _perf_sum_nmethod_size = | |
| 889 PerfDataManager::create_counter(SUN_CI, "nmethodSize", | |
| 890 PerfData::U_Bytes, CHECK); | |
| 891 | |
| 892 _perf_sum_nmethod_code_size = | |
| 893 PerfDataManager::create_counter(SUN_CI, "nmethodCodeSize", | |
| 894 PerfData::U_Bytes, CHECK); | |
| 895 | |
| 896 _perf_last_method = | |
| 897 PerfDataManager::create_string_variable(SUN_CI, "lastMethod", | |
| 898 CompilerCounters::cmname_buffer_length, | |
| 899 "", CHECK); | |
| 900 | |
| 901 _perf_last_failed_method = | |
| 902 PerfDataManager::create_string_variable(SUN_CI, "lastFailedMethod", | |
| 903 CompilerCounters::cmname_buffer_length, | |
| 904 "", CHECK); | |
| 905 | |
| 906 _perf_last_invalidated_method = | |
| 907 PerfDataManager::create_string_variable(SUN_CI, "lastInvalidatedMethod", | |
| 908 CompilerCounters::cmname_buffer_length, | |
| 909 "", CHECK); | |
| 910 | |
| 911 _perf_last_compile_type = | |
| 912 PerfDataManager::create_variable(SUN_CI, "lastType", | |
| 913 PerfData::U_None, | |
| 914 (jlong)CompileBroker::no_compile, | |
| 915 CHECK); | |
| 916 | |
| 917 _perf_last_compile_size = | |
| 918 PerfDataManager::create_variable(SUN_CI, "lastSize", | |
| 919 PerfData::U_Bytes, | |
| 920 (jlong)CompileBroker::no_compile, | |
| 921 CHECK); | |
| 922 | |
| 923 | |
| 924 _perf_last_failed_type = | |
| 925 PerfDataManager::create_variable(SUN_CI, "lastFailedType", | |
| 926 PerfData::U_None, | |
| 927 (jlong)CompileBroker::no_compile, | |
| 928 CHECK); | |
| 929 | |
| 930 _perf_last_invalidated_type = | |
| 931 PerfDataManager::create_variable(SUN_CI, "lastInvalidatedType", | |
| 932 PerfData::U_None, | |
| 933 (jlong)CompileBroker::no_compile, | |
| 934 CHECK); | |
| 935 } | |
| 936 | |
| 937 _initialized = true; | |
| 938 } | |
| 939 | |
| 940 | |
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941 CompilerThread* CompileBroker::make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, |
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942 AbstractCompiler* comp, TRAPS) { |
| 0 | 943 CompilerThread* compiler_thread = NULL; |
| 944 | |
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945 Klass* k = |
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946 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), |
| 0 | 947 true, CHECK_0); |
| 948 instanceKlassHandle klass (THREAD, k); | |
| 949 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK_0); | |
| 950 Handle string = java_lang_String::create_from_str(name, CHECK_0); | |
| 951 | |
| 952 // Initialize thread_oop to put it into the system threadGroup | |
| 953 Handle thread_group (THREAD, Universe::system_thread_group()); | |
| 954 JavaValue result(T_VOID); | |
| 955 JavaCalls::call_special(&result, thread_oop, | |
| 956 klass, | |
|
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957 vmSymbols::object_initializer_name(), |
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958 vmSymbols::threadgroup_string_void_signature(), |
| 0 | 959 thread_group, |
| 960 string, | |
| 961 CHECK_0); | |
| 962 | |
| 963 { | |
| 964 MutexLocker mu(Threads_lock, THREAD); | |
| 965 compiler_thread = new CompilerThread(queue, counters); | |
| 966 // At this point the new CompilerThread data-races with this startup | |
| 967 // thread (which I believe is the primoridal thread and NOT the VM | |
| 968 // thread). This means Java bytecodes being executed at startup can | |
| 969 // queue compile jobs which will run at whatever default priority the | |
| 970 // newly created CompilerThread runs at. | |
| 971 | |
| 972 | |
| 973 // At this point it may be possible that no osthread was created for the | |
| 974 // JavaThread due to lack of memory. We would have to throw an exception | |
| 975 // in that case. However, since this must work and we do not allow | |
| 976 // exceptions anyway, check and abort if this fails. | |
| 977 | |
| 978 if (compiler_thread == NULL || compiler_thread->osthread() == NULL){ | |
| 979 vm_exit_during_initialization("java.lang.OutOfMemoryError", | |
| 14909 | 980 "unable to create new native thread"); |
| 0 | 981 } |
| 982 | |
| 983 java_lang_Thread::set_thread(thread_oop(), compiler_thread); | |
| 984 | |
| 985 // Note that this only sets the JavaThread _priority field, which by | |
| 986 // definition is limited to Java priorities and not OS priorities. | |
| 987 // The os-priority is set in the CompilerThread startup code itself | |
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988 |
| 0 | 989 java_lang_Thread::set_priority(thread_oop(), NearMaxPriority); |
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990 |
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991 // Note that we cannot call os::set_priority because it expects Java |
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992 // priorities and we are *explicitly* using OS priorities so that it's |
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993 // possible to set the compiler thread priority higher than any Java |
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994 // thread. |
| 0 | 995 |
|
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996 int native_prio = CompilerThreadPriority; |
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997 if (native_prio == -1) { |
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998 if (UseCriticalCompilerThreadPriority) { |
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999 native_prio = os::java_to_os_priority[CriticalPriority]; |
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1000 } else { |
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1001 native_prio = os::java_to_os_priority[NearMaxPriority]; |
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1002 } |
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1003 } |
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1004 os::set_native_priority(compiler_thread, native_prio); |
| 0 | 1005 |
| 1006 java_lang_Thread::set_daemon(thread_oop()); | |
| 1007 | |
| 1008 compiler_thread->set_threadObj(thread_oop()); | |
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1009 compiler_thread->set_compiler(comp); |
| 0 | 1010 Threads::add(compiler_thread); |
| 1011 Thread::start(compiler_thread); | |
| 1012 } | |
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1013 |
| 0 | 1014 // Let go of Threads_lock before yielding |
| 1015 os::yield(); // make sure that the compiler thread is started early (especially helpful on SOLARIS) | |
| 1016 | |
| 1017 return compiler_thread; | |
| 1018 } | |
| 1019 | |
| 1020 | |
| 1783 | 1021 void CompileBroker::init_compiler_threads(int c1_compiler_count, int c2_compiler_count) { |
| 0 | 1022 EXCEPTION_MARK; |
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1023 #if !defined(ZERO) && !defined(SHARK) && !defined(COMPILERGRAAL) |
| 1783 | 1024 assert(c2_compiler_count > 0 || c1_compiler_count > 0, "No compilers?"); |
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1025 #endif // !ZERO && !SHARK && !COMPILERGRAAL |
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1026 // Initialize the compilation queue |
| 1783 | 1027 if (c2_compiler_count > 0) { |
| 1028 _c2_method_queue = new CompileQueue("C2MethodQueue", MethodCompileQueue_lock); | |
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1029 _compilers[1]->set_num_compiler_threads(c2_compiler_count); |
| 1783 | 1030 } |
| 1031 if (c1_compiler_count > 0) { | |
| 1032 _c1_method_queue = new CompileQueue("C1MethodQueue", MethodCompileQueue_lock); | |
|
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1033 _compilers[0]->set_num_compiler_threads(c1_compiler_count); |
| 1783 | 1034 } |
| 0 | 1035 |
| 1783 | 1036 int compiler_count = c1_compiler_count + c2_compiler_count; |
| 1037 | |
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1038 _compiler_threads = |
| 6197 | 1039 new (ResourceObj::C_HEAP, mtCompiler) GrowableArray<CompilerThread*>(compiler_count, true); |
| 0 | 1040 |
| 1041 char name_buffer[256]; | |
| 1783 | 1042 for (int i = 0; i < c2_compiler_count; i++) { |
| 0 | 1043 // Create a name for our thread. |
|
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1044 sprintf(name_buffer, "%s CompilerThread%d", _compilers[1]->name(), i); |
| 0 | 1045 CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); |
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1046 // Shark and C2 |
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1047 CompilerThread* new_thread = make_compiler_thread(name_buffer, _c2_method_queue, counters, _compilers[1], CHECK); |
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1048 _compiler_threads->append(new_thread); |
| 0 | 1049 } |
| 1783 | 1050 |
| 1051 for (int i = c2_compiler_count; i < compiler_count; i++) { | |
| 1052 // Create a name for our thread. | |
| 1053 sprintf(name_buffer, "C1 CompilerThread%d", i); | |
| 1054 CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); | |
|
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1055 // C1 |
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1056 CompilerThread* new_thread = make_compiler_thread(name_buffer, _c1_method_queue, counters, _compilers[0], CHECK); |
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1057 _compiler_threads->append(new_thread); |
| 1783 | 1058 } |
| 1059 | |
| 0 | 1060 if (UsePerfData) { |
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1061 PerfDataManager::create_constant(SUN_CI, "threads", PerfData::U_Bytes, compiler_count, CHECK); |
| 0 | 1062 } |
| 1063 } | |
| 1064 | |
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1065 |
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1066 // Set the methods on the stack as on_stack so that redefine classes doesn't |
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1067 // reclaim them |
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1068 void CompileBroker::mark_on_stack() { |
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1069 if (_c2_method_queue != NULL) { |
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1070 _c2_method_queue->mark_on_stack(); |
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1071 } |
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1072 if (_c1_method_queue != NULL) { |
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1073 _c1_method_queue->mark_on_stack(); |
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1074 } |
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1075 } |
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1076 |
| 0 | 1077 // ------------------------------------------------------------------ |
| 1078 // CompileBroker::compile_method | |
| 1079 // | |
| 1080 // Request compilation of a method. | |
| 1081 void CompileBroker::compile_method_base(methodHandle method, | |
| 1082 int osr_bci, | |
| 1083 int comp_level, | |
| 1084 methodHandle hot_method, | |
| 1085 int hot_count, | |
| 1086 const char* comment, | |
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1087 Thread* thread) { |
| 0 | 1088 // do nothing if compiler thread(s) is not available |
| 1089 if (!_initialized ) { | |
| 1090 return; | |
| 1091 } | |
| 1092 | |
| 1093 guarantee(!method->is_abstract(), "cannot compile abstract methods"); | |
|
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1094 assert(method->method_holder()->oop_is_instance(), |
| 0 | 1095 "sanity check"); |
|
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1096 assert(!method->method_holder()->is_not_initialized(), |
| 0 | 1097 "method holder must be initialized"); |
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1098 assert(!method->is_method_handle_intrinsic(), "do not enqueue these guys"); |
| 0 | 1099 |
| 1100 if (CIPrintRequests) { | |
| 1101 tty->print("request: "); | |
| 1102 method->print_short_name(tty); | |
| 1103 if (osr_bci != InvocationEntryBci) { | |
| 1104 tty->print(" osr_bci: %d", osr_bci); | |
| 1105 } | |
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1106 tty->print(" level: %d comment: %s count: %d", comp_level, comment, hot_count); |
| 0 | 1107 if (!hot_method.is_null()) { |
| 1108 tty->print(" hot: "); | |
| 1109 if (hot_method() != method()) { | |
| 1110 hot_method->print_short_name(tty); | |
| 1111 } else { | |
| 1112 tty->print("yes"); | |
| 1113 } | |
| 1114 } | |
| 1115 tty->cr(); | |
| 1116 } | |
| 1117 | |
| 1118 // A request has been made for compilation. Before we do any | |
| 1119 // real work, check to see if the method has been compiled | |
| 1120 // in the meantime with a definitive result. | |
| 1121 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1122 return; | |
| 1123 } | |
| 1124 | |
| 2403 | 1125 #ifndef PRODUCT |
| 1126 if (osr_bci != -1 && !FLAG_IS_DEFAULT(OSROnlyBCI)) { | |
| 1127 if ((OSROnlyBCI > 0) ? (OSROnlyBCI != osr_bci) : (-OSROnlyBCI == osr_bci)) { | |
| 1128 // Positive OSROnlyBCI means only compile that bci. Negative means don't compile that BCI. | |
| 1129 return; | |
| 1130 } | |
| 1131 } | |
| 1132 #endif | |
| 1783 | 1133 |
| 0 | 1134 // If this method is already in the compile queue, then |
| 1135 // we do not block the current thread. | |
| 1136 if (compilation_is_in_queue(method, osr_bci)) { | |
| 1137 // We may want to decay our counter a bit here to prevent | |
| 1138 // multiple denied requests for compilation. This is an | |
| 1139 // open compilation policy issue. Note: The other possibility, | |
| 1140 // in the case that this is a blocking compile request, is to have | |
| 1141 // all subsequent blocking requesters wait for completion of | |
| 1142 // ongoing compiles. Note that in this case we'll need a protocol | |
| 1143 // for freeing the associated compile tasks. [Or we could have | |
| 1144 // a single static monitor on which all these waiters sleep.] | |
| 1145 return; | |
| 1146 } | |
| 1147 | |
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1148 // If the requesting thread is holding the pending list lock |
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1149 // then we just return. We can't risk blocking while holding |
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1150 // the pending list lock or a 3-way deadlock may occur |
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1151 // between the reference handler thread, a GC (instigated |
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1152 // by a compiler thread), and compiled method registration. |
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1153 if (InstanceRefKlass::owns_pending_list_lock(JavaThread::current())) { |
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1154 return; |
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1155 } |
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1156 |
| 0 | 1157 // Outputs from the following MutexLocker block: |
| 1158 CompileTask* task = NULL; | |
| 1159 bool blocking = false; | |
| 1783 | 1160 CompileQueue* queue = compile_queue(comp_level); |
| 0 | 1161 |
| 1162 // Acquire our lock. | |
| 1163 { | |
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1164 MutexLocker locker(queue->lock(), thread); |
| 0 | 1165 |
| 1166 // Make sure the method has not slipped into the queues since | |
| 1167 // last we checked; note that those checks were "fast bail-outs". | |
| 1168 // Here we need to be more careful, see 14012000 below. | |
| 1169 if (compilation_is_in_queue(method, osr_bci)) { | |
| 1170 return; | |
| 1171 } | |
| 1172 | |
| 1173 // We need to check again to see if the compilation has | |
| 1174 // completed. A previous compilation may have registered | |
| 1175 // some result. | |
| 1176 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1177 return; | |
| 1178 } | |
| 1179 | |
| 1180 // We now know that this compilation is not pending, complete, | |
| 1181 // or prohibited. Assign a compile_id to this compilation | |
| 1182 // and check to see if it is in our [Start..Stop) range. | |
| 14909 | 1183 uint compile_id = assign_compile_id(method, osr_bci); |
| 0 | 1184 if (compile_id == 0) { |
| 1185 // The compilation falls outside the allowed range. | |
| 1186 return; | |
| 1187 } | |
| 1188 | |
| 1189 // Should this thread wait for completion of the compile? | |
| 1190 blocking = is_compile_blocking(method, osr_bci); | |
| 1191 | |
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1192 #ifdef COMPILERGRAAL |
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1193 if (blocking) { |
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1194 // Don't allow blocking compiles for requests triggered by Graal. |
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1195 if (thread->is_Compiler_thread()) { |
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1196 blocking = false; |
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1197 } |
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1198 |
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1199 // Don't allow blocking compiles if inside a class initializer |
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1200 vframeStream vfst((JavaThread*) thread); |
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1201 for (; !vfst.at_end(); vfst.next()) { |
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1202 if (vfst.method()->is_static_initializer()) { |
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1203 blocking = false; |
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1204 break; |
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1205 } |
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1206 } |
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1207 } |
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1208 // Don't allow blocking compiles |
|
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1209 #endif |
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1210 |
| 0 | 1211 // We will enter the compilation in the queue. |
| 1212 // 14012000: Note that this sets the queued_for_compile bits in | |
| 1213 // the target method. We can now reason that a method cannot be | |
| 1214 // queued for compilation more than once, as follows: | |
| 1215 // Before a thread queues a task for compilation, it first acquires | |
| 1216 // the compile queue lock, then checks if the method's queued bits | |
| 1217 // are set or it has already been compiled. Thus there can not be two | |
| 1218 // instances of a compilation task for the same method on the | |
| 1219 // compilation queue. Consider now the case where the compilation | |
| 1220 // thread has already removed a task for that method from the queue | |
| 1221 // and is in the midst of compiling it. In this case, the | |
| 1222 // queued_for_compile bits must be set in the method (and these | |
| 1223 // will be visible to the current thread, since the bits were set | |
| 1224 // under protection of the compile queue lock, which we hold now. | |
| 1225 // When the compilation completes, the compiler thread first sets | |
| 1226 // the compilation result and then clears the queued_for_compile | |
| 1227 // bits. Neither of these actions are protected by a barrier (or done | |
| 1228 // under the protection of a lock), so the only guarantee we have | |
| 1229 // (on machines with TSO (Total Store Order)) is that these values | |
| 1230 // will update in that order. As a result, the only combinations of | |
| 1231 // these bits that the current thread will see are, in temporal order: | |
| 1232 // <RESULT, QUEUE> : | |
| 1233 // <0, 1> : in compile queue, but not yet compiled | |
| 1234 // <1, 1> : compiled but queue bit not cleared | |
| 1235 // <1, 0> : compiled and queue bit cleared | |
| 1236 // Because we first check the queue bits then check the result bits, | |
| 1237 // we are assured that we cannot introduce a duplicate task. | |
| 1238 // Note that if we did the tests in the reverse order (i.e. check | |
| 1239 // result then check queued bit), we could get the result bit before | |
| 1240 // the compilation completed, and the queue bit after the compilation | |
| 1241 // completed, and end up introducing a "duplicate" (redundant) task. | |
| 1242 // In that case, the compiler thread should first check if a method | |
| 1243 // has already been compiled before trying to compile it. | |
| 1244 // NOTE: in the event that there are multiple compiler threads and | |
| 1245 // there is de-optimization/recompilation, things will get hairy, | |
| 1246 // and in that case it's best to protect both the testing (here) of | |
| 1247 // these bits, and their updating (here and elsewhere) under a | |
| 1248 // common lock. | |
| 1783 | 1249 task = create_compile_task(queue, |
| 0 | 1250 compile_id, method, |
| 1251 osr_bci, comp_level, | |
| 1252 hot_method, hot_count, comment, | |
| 1253 blocking); | |
| 1254 } | |
| 1255 | |
| 1256 if (blocking) { | |
| 1257 wait_for_completion(task); | |
| 1258 } | |
| 1259 } | |
| 1260 | |
| 1261 | |
| 1262 nmethod* CompileBroker::compile_method(methodHandle method, int osr_bci, | |
| 1783 | 1263 int comp_level, |
| 0 | 1264 methodHandle hot_method, int hot_count, |
|
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1265 const char* comment, Thread* THREAD) { |
| 0 | 1266 // make sure arguments make sense |
|
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1267 assert(method->method_holder()->oop_is_instance(), "not an instance method"); |
| 0 | 1268 assert(osr_bci == InvocationEntryBci || (0 <= osr_bci && osr_bci < method->code_size()), "bci out of range"); |
| 1269 assert(!method->is_abstract() && (osr_bci == InvocationEntryBci || !method->is_native()), "cannot compile abstract/native methods"); | |
|
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1270 assert(!method->method_holder()->is_not_initialized(), "method holder must be initialized"); |
|
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1271 // allow any levels for WhiteBox |
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1272 assert(WhiteBoxAPI || TieredCompilation || comp_level == CompLevel_highest_tier, "only CompLevel_highest_tier must be used in non-tiered"); |
| 0 | 1273 // return quickly if possible |
| 1274 | |
| 1275 // lock, make sure that the compilation | |
| 1276 // isn't prohibited in a straightforward way. | |
|
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1277 AbstractCompiler *comp = CompileBroker::compiler(comp_level); |
|
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1278 if (comp == NULL || !comp->can_compile_method(method) || |
|
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|
1279 compilation_is_prohibited(method, osr_bci, comp_level)) { |
| 0 | 1280 return NULL; |
| 1281 } | |
| 1282 | |
| 1283 if (osr_bci == InvocationEntryBci) { | |
| 1284 // standard compilation | |
| 1285 nmethod* method_code = method->code(); | |
| 1783 | 1286 if (method_code != NULL) { |
| 1287 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1288 return method_code; | |
| 1289 } | |
| 0 | 1290 } |
|
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1291 if (method->is_not_compilable(comp_level)) { |
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1292 return NULL; |
| 1202 | 1293 } |
| 0 | 1294 } else { |
| 1295 // osr compilation | |
| 1296 #ifndef TIERED | |
| 1297 // seems like an assert of dubious value | |
| 1783 | 1298 assert(comp_level == CompLevel_highest_tier, |
| 0 | 1299 "all OSR compiles are assumed to be at a single compilation lavel"); |
| 1300 #endif // TIERED | |
| 1783 | 1301 // We accept a higher level osr method |
| 1302 nmethod* nm = method->lookup_osr_nmethod_for(osr_bci, comp_level, false); | |
| 0 | 1303 if (nm != NULL) return nm; |
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1304 if (method->is_not_osr_compilable(comp_level)) return NULL; |
| 0 | 1305 } |
| 1306 | |
| 1307 assert(!HAS_PENDING_EXCEPTION, "No exception should be present"); | |
| 1308 // some prerequisites that are compiler specific | |
|
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1309 if (comp->is_c2() || comp->is_shark()) { |
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1310 method->constants()->resolve_string_constants(CHECK_AND_CLEAR_NULL); |
| 0 | 1311 // Resolve all classes seen in the signature of the method |
| 1312 // we are compiling. | |
|
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1313 Method::load_signature_classes(method, CHECK_AND_CLEAR_NULL); |
| 0 | 1314 } |
| 1315 | |
| 1316 // If the method is native, do the lookup in the thread requesting | |
| 1317 // the compilation. Native lookups can load code, which is not | |
| 1318 // permitted during compilation. | |
| 1319 // | |
| 1320 // Note: A native method implies non-osr compilation which is | |
| 1321 // checked with an assertion at the entry of this method. | |
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1322 if (method->is_native() && !method->is_method_handle_intrinsic()) { |
| 0 | 1323 bool in_base_library; |
| 1324 address adr = NativeLookup::lookup(method, in_base_library, THREAD); | |
| 1325 if (HAS_PENDING_EXCEPTION) { | |
| 1326 // In case of an exception looking up the method, we just forget | |
| 1327 // about it. The interpreter will kick-in and throw the exception. | |
| 1328 method->set_not_compilable(); // implies is_not_osr_compilable() | |
| 1329 CLEAR_PENDING_EXCEPTION; | |
| 1330 return NULL; | |
| 1331 } | |
| 1332 assert(method->has_native_function(), "must have native code by now"); | |
| 1333 } | |
| 1334 | |
| 1335 // RedefineClasses() has replaced this method; just return | |
| 1336 if (method->is_old()) { | |
| 1337 return NULL; | |
| 1338 } | |
| 1339 | |
| 1340 // JVMTI -- post_compile_event requires jmethod_id() that may require | |
| 1341 // a lock the compiling thread can not acquire. Prefetch it here. | |
| 1342 if (JvmtiExport::should_post_compiled_method_load()) { | |
| 1343 method->jmethod_id(); | |
| 1344 } | |
| 1345 | |
| 1346 // do the compilation | |
| 1347 if (method->is_native()) { | |
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1348 if (!PreferInterpreterNativeStubs || method->is_method_handle_intrinsic()) { |
| 14909 | 1349 // Acquire our lock. |
| 1350 int compile_id; | |
| 1351 { | |
| 1352 MutexLocker locker(MethodCompileQueue_lock, THREAD); | |
| 1353 compile_id = assign_compile_id(method, standard_entry_bci); | |
| 1354 } | |
|
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1355 // To properly handle the appendix argument for out-of-line calls we are using a small trampoline that |
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1356 // pops off the appendix argument and jumps to the target (see gen_special_dispatch in SharedRuntime). |
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1357 // |
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1358 // Since normal compiled-to-compiled calls are not able to handle such a thing we MUST generate an adapter |
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1359 // in this case. If we can't generate one and use it we can not execute the out-of-line method handle calls. |
| 14909 | 1360 (void) AdapterHandlerLibrary::create_native_wrapper(method, compile_id); |
| 0 | 1361 } else { |
| 1362 return NULL; | |
| 1363 } | |
| 1364 } else { | |
|
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1365 // If the compiler is shut off due to code cache getting full |
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1366 // fail out now so blocking compiles dont hang the java thread |
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1367 if (!should_compile_new_jobs()) { |
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1368 CompilationPolicy::policy()->delay_compilation(method()); |
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1369 return NULL; |
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1370 } |
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1371 compile_method_base(method, osr_bci, comp_level, hot_method, hot_count, comment, THREAD); |
| 0 | 1372 } |
| 1373 | |
| 1374 // return requested nmethod | |
| 1783 | 1375 // We accept a higher level osr method |
| 1376 return osr_bci == InvocationEntryBci ? method->code() : method->lookup_osr_nmethod_for(osr_bci, comp_level, false); | |
| 0 | 1377 } |
| 1378 | |
| 1379 | |
| 1380 // ------------------------------------------------------------------ | |
| 1381 // CompileBroker::compilation_is_complete | |
| 1382 // | |
| 1383 // See if compilation of this method is already complete. | |
| 1384 bool CompileBroker::compilation_is_complete(methodHandle method, | |
| 1385 int osr_bci, | |
| 1386 int comp_level) { | |
| 1387 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1388 if (is_osr) { | |
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1389 if (method->is_not_osr_compilable(comp_level)) { |
| 0 | 1390 return true; |
| 1391 } else { | |
| 1783 | 1392 nmethod* result = method->lookup_osr_nmethod_for(osr_bci, comp_level, true); |
| 0 | 1393 return (result != NULL); |
| 1394 } | |
| 1395 } else { | |
| 1396 if (method->is_not_compilable(comp_level)) { | |
| 1397 return true; | |
| 1398 } else { | |
| 1399 nmethod* result = method->code(); | |
| 1400 if (result == NULL) return false; | |
| 1783 | 1401 return comp_level == result->comp_level(); |
| 0 | 1402 } |
| 1403 } | |
| 1404 } | |
| 1405 | |
| 1406 | |
| 1407 // ------------------------------------------------------------------ | |
| 1408 // CompileBroker::compilation_is_in_queue | |
| 1409 // | |
| 1410 // See if this compilation is already requested. | |
| 1411 // | |
| 1412 // Implementation note: there is only a single "is in queue" bit | |
| 1413 // for each method. This means that the check below is overly | |
| 1414 // conservative in the sense that an osr compilation in the queue | |
| 1415 // will block a normal compilation from entering the queue (and vice | |
| 1416 // versa). This can be remedied by a full queue search to disambiguate | |
| 1417 // cases. If it is deemed profitible, this may be done. | |
| 1418 bool CompileBroker::compilation_is_in_queue(methodHandle method, | |
| 1783 | 1419 int osr_bci) { |
| 0 | 1420 return method->queued_for_compilation(); |
| 1421 } | |
| 1422 | |
| 1423 // ------------------------------------------------------------------ | |
| 1424 // CompileBroker::compilation_is_prohibited | |
| 1425 // | |
| 1426 // See if this compilation is not allowed. | |
| 1427 bool CompileBroker::compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level) { | |
| 1428 bool is_native = method->is_native(); | |
| 1429 // Some compilers may not support the compilation of natives. | |
|
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1430 AbstractCompiler *comp = compiler(comp_level); |
| 0 | 1431 if (is_native && |
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1432 (!CICompileNatives || comp == NULL || !comp->supports_native())) { |
| 1783 | 1433 method->set_not_compilable_quietly(comp_level); |
| 0 | 1434 return true; |
| 1435 } | |
| 1436 | |
| 1437 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1438 // Some compilers may not support on stack replacement. | |
| 1439 if (is_osr && | |
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1440 (!CICompileOSR || comp == NULL || !comp->supports_osr())) { |
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1441 method->set_not_osr_compilable(comp_level); |
| 0 | 1442 return true; |
| 1443 } | |
| 1444 | |
| 1445 // The method may be explicitly excluded by the user. | |
| 1446 bool quietly; | |
| 1447 if (CompilerOracle::should_exclude(method, quietly)) { | |
| 1448 if (!quietly) { | |
| 1449 // This does not happen quietly... | |
| 1450 ResourceMark rm; | |
| 1451 tty->print("### Excluding %s:%s", | |
| 1452 method->is_native() ? "generation of native wrapper" : "compile", | |
| 1453 (method->is_static() ? " static" : "")); | |
| 1454 method->print_short_name(tty); | |
| 1455 tty->cr(); | |
| 1456 } | |
| 7998 | 1457 method->set_not_compilable(CompLevel_all, !quietly, "excluded by CompilerOracle"); |
| 0 | 1458 } |
| 1459 | |
| 1460 return false; | |
| 1461 } | |
| 1462 | |
| 14909 | 1463 |
| 1464 // ------------------------------------------------------------------ | |
| 1465 // CompileBroker::assign_compile_id | |
| 1466 // | |
| 1467 // Assign a serialized id number to this compilation request. If the | |
| 1468 // number falls out of the allowed range, return a 0. OSR | |
| 1469 // compilations may be numbered separately from regular compilations | |
| 1470 // if certain debugging flags are used. | |
| 1471 uint CompileBroker::assign_compile_id(methodHandle method, int osr_bci) { | |
| 1472 assert(MethodCompileQueue_lock->owner() == Thread::current(), | |
| 1473 "must hold the compilation queue lock"); | |
| 0 | 1474 bool is_osr = (osr_bci != standard_entry_bci); |
| 14909 | 1475 uint id; |
| 1476 if (CICountOSR && is_osr) { | |
| 1477 id = ++_osr_compilation_id; | |
| 1478 if ((uint)CIStartOSR <= id && id < (uint)CIStopOSR) { | |
| 0 | 1479 return id; |
| 1480 } | |
| 1481 } else { | |
| 14909 | 1482 id = ++_compilation_id; |
| 1483 if ((uint)CIStart <= id && id < (uint)CIStop) { | |
| 0 | 1484 return id; |
| 1485 } | |
| 1486 } | |
| 1487 | |
| 1488 // Method was not in the appropriate compilation range. | |
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1489 method->set_not_compilable_quietly(); |
| 0 | 1490 return 0; |
| 1491 } | |
| 1492 | |
| 1493 | |
| 1494 // ------------------------------------------------------------------ | |
|
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1495 // CompileBroker::assign_compile_id_unlocked |
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1496 // |
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1497 // Public wrapper for assign_compile_id that acquires the needed locks |
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1498 uint CompileBroker::assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci) { |
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1499 MutexLocker locker(MethodCompileQueue_lock, thread); |
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1500 return assign_compile_id(method, osr_bci); |
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1501 } |
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1502 |
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1503 |
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1504 // ------------------------------------------------------------------ |
| 0 | 1505 // CompileBroker::is_compile_blocking |
| 1506 // | |
| 1507 // Should the current thread be blocked until this compilation request | |
| 1508 // has been fulfilled? | |
| 1509 bool CompileBroker::is_compile_blocking(methodHandle method, int osr_bci) { | |
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1510 assert(!InstanceRefKlass::owns_pending_list_lock(JavaThread::current()), "possible deadlock"); |
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1511 return !BackgroundCompilation; |
| 0 | 1512 } |
| 1513 | |
| 1514 | |
| 1515 // ------------------------------------------------------------------ | |
| 1516 // CompileBroker::preload_classes | |
| 1517 void CompileBroker::preload_classes(methodHandle method, TRAPS) { | |
| 1518 // Move this code over from c1_Compiler.cpp | |
| 1519 ShouldNotReachHere(); | |
| 1520 } | |
| 1521 | |
| 1522 | |
| 1523 // ------------------------------------------------------------------ | |
| 1524 // CompileBroker::create_compile_task | |
| 1525 // | |
| 1526 // Create a CompileTask object representing the current request for | |
| 1527 // compilation. Add this task to the queue. | |
| 1528 CompileTask* CompileBroker::create_compile_task(CompileQueue* queue, | |
| 1529 int compile_id, | |
| 1530 methodHandle method, | |
| 1531 int osr_bci, | |
| 1532 int comp_level, | |
| 1533 methodHandle hot_method, | |
| 1534 int hot_count, | |
| 1535 const char* comment, | |
| 1536 bool blocking) { | |
| 1537 CompileTask* new_task = allocate_task(); | |
| 1538 new_task->initialize(compile_id, method, osr_bci, comp_level, | |
| 1539 hot_method, hot_count, comment, | |
| 1540 blocking); | |
| 1541 queue->add(new_task); | |
| 1542 return new_task; | |
| 1543 } | |
| 1544 | |
| 1545 | |
| 1546 // ------------------------------------------------------------------ | |
| 1547 // CompileBroker::allocate_task | |
| 1548 // | |
| 1549 // Allocate a CompileTask, from the free list if possible. | |
| 1550 CompileTask* CompileBroker::allocate_task() { | |
| 1551 MutexLocker locker(CompileTaskAlloc_lock); | |
| 1552 CompileTask* task = NULL; | |
| 1553 if (_task_free_list != NULL) { | |
| 1554 task = _task_free_list; | |
| 1555 _task_free_list = task->next(); | |
| 1556 task->set_next(NULL); | |
| 1557 } else { | |
| 1558 task = new CompileTask(); | |
| 1559 task->set_next(NULL); | |
| 1560 } | |
| 1561 return task; | |
| 1562 } | |
| 1563 | |
| 1564 | |
| 1565 // ------------------------------------------------------------------ | |
| 1566 // CompileBroker::free_task | |
| 1567 // | |
| 1568 // Add a task to the free list. | |
| 1569 void CompileBroker::free_task(CompileTask* task) { | |
| 1570 MutexLocker locker(CompileTaskAlloc_lock); | |
| 1571 task->free(); | |
| 1572 task->set_next(_task_free_list); | |
| 1573 _task_free_list = task; | |
| 1574 } | |
| 1575 | |
| 1576 | |
| 1577 // ------------------------------------------------------------------ | |
| 1578 // CompileBroker::wait_for_completion | |
| 1579 // | |
| 1580 // Wait for the given method CompileTask to complete. | |
| 1581 void CompileBroker::wait_for_completion(CompileTask* task) { | |
| 1582 if (CIPrintCompileQueue) { | |
| 1583 tty->print_cr("BLOCKING FOR COMPILE"); | |
| 1584 } | |
| 1585 | |
| 1586 assert(task->is_blocking(), "can only wait on blocking task"); | |
| 1587 | |
| 1588 JavaThread *thread = JavaThread::current(); | |
| 1589 thread->set_blocked_on_compilation(true); | |
| 1590 | |
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1591 methodHandle method(thread, task->method()); |
| 0 | 1592 { |
| 1593 MutexLocker waiter(task->lock(), thread); | |
| 1594 | |
| 1595 while (!task->is_complete()) | |
| 1596 task->lock()->wait(); | |
| 1597 } | |
| 1598 // It is harmless to check this status without the lock, because | |
| 1599 // completion is a stable property (until the task object is recycled). | |
| 1600 assert(task->is_complete(), "Compilation should have completed"); | |
| 1601 assert(task->code_handle() == NULL, "must be reset"); | |
| 1602 | |
| 1603 thread->set_blocked_on_compilation(false); | |
| 1604 | |
| 1605 // By convention, the waiter is responsible for recycling a | |
| 1606 // blocking CompileTask. Since there is only one waiter ever | |
| 1607 // waiting on a CompileTask, we know that no one else will | |
| 1608 // be using this CompileTask; we can free it. | |
| 1609 free_task(task); | |
| 1610 } | |
| 1611 | |
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1612 // Initialize compiler thread(s) + compiler object(s). The postcondition |
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1613 // of this function is that the compiler runtimes are initialized and that |
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1614 //compiler threads can start compiling. |
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1615 bool CompileBroker::init_compiler_runtime() { |
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1616 CompilerThread* thread = CompilerThread::current(); |
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1617 AbstractCompiler* comp = thread->compiler(); |
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1618 // Final sanity check - the compiler object must exist |
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1619 guarantee(comp != NULL, "Compiler object must exist"); |
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1620 |
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1621 int system_dictionary_modification_counter; |
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1622 { |
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1623 MutexLocker locker(Compile_lock, thread); |
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1624 system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); |
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1625 } |
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1626 |
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1627 { |
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1628 // Must switch to native to allocate ci_env |
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1629 ThreadToNativeFromVM ttn(thread); |
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1630 ciEnv ci_env(NULL, system_dictionary_modification_counter); |
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1631 // Cache Jvmti state |
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1632 ci_env.cache_jvmti_state(); |
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1633 // Cache DTrace flags |
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1634 ci_env.cache_dtrace_flags(); |
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1635 |
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1636 // Switch back to VM state to do compiler initialization |
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1637 ThreadInVMfromNative tv(thread); |
|
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1638 ResetNoHandleMark rnhm; |
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1639 |
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1640 |
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1641 if (!comp->is_shark()) { |
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1642 // Perform per-thread and global initializations |
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1643 comp->initialize(); |
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1644 } |
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1645 } |
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1646 |
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1647 if (comp->is_failed()) { |
|
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1648 disable_compilation_forever(); |
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1649 // If compiler initialization failed, no compiler thread that is specific to a |
|
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1650 // particular compiler runtime will ever start to compile methods. |
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1651 |
|
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1652 shutdown_compiler_runtime(comp, thread); |
|
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1653 return false; |
|
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1654 } |
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|
1655 |
|
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|
1656 // C1 specific check |
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1657 if (comp->is_c1() && (thread->get_buffer_blob() == NULL)) { |
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1658 warning("Initialization of %s thread failed (no space to run compilers)", thread->name()); |
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1659 return false; |
|
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1660 } |
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1661 |
|
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1662 return true; |
|
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1663 } |
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|
1664 |
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1665 // If C1 and/or C2 initialization failed, we shut down all compilation. |
|
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1666 // We do this to keep things simple. This can be changed if it ever turns out to be |
|
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1667 // a problem. |
|
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1668 void CompileBroker::shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread) { |
|
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1669 // Free buffer blob, if allocated |
|
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1670 if (thread->get_buffer_blob() != NULL) { |
|
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|
1671 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
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1672 CodeCache::free(thread->get_buffer_blob()); |
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|
1673 } |
|
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|
1674 |
|
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1675 if (comp->should_perform_shutdown()) { |
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|
1676 // There are two reasons for shutting down the compiler |
|
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|
1677 // 1) compiler runtime initialization failed |
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1678 // 2) The code cache is full and the following flag is set: -XX:-UseCodeCacheFlushing |
|
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|
1679 warning("Shutting down compiler %s (no space to run compilers)", comp->name()); |
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|
1680 |
|
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|
1681 // Only one thread per compiler runtime object enters here |
|
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1682 // Set state to shut down |
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|
1683 comp->set_shut_down(); |
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|
1684 |
|
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1685 MutexLocker mu(MethodCompileQueue_lock, thread); |
|
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1686 CompileQueue* queue; |
|
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1687 if (_c1_method_queue != NULL) { |
|
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1688 _c1_method_queue->delete_all(); |
|
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1689 queue = _c1_method_queue; |
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1690 _c1_method_queue = NULL; |
|
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1691 delete _c1_method_queue; |
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1692 } |
|
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|
1693 |
|
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1694 if (_c2_method_queue != NULL) { |
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1695 _c2_method_queue->delete_all(); |
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1696 queue = _c2_method_queue; |
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1697 _c2_method_queue = NULL; |
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1698 delete _c2_method_queue; |
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1699 } |
|
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|
1700 |
|
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|
1701 // We could delete compiler runtimes also. However, there are references to |
|
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|
1702 // the compiler runtime(s) (e.g., nmethod::is_compiled_by_c1()) which then |
|
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1703 // fail. This can be done later if necessary. |
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1704 } |
|
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|
1705 } |
|
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|
1706 |
| 0 | 1707 // ------------------------------------------------------------------ |
| 1708 // CompileBroker::compiler_thread_loop | |
| 1709 // | |
| 1710 // The main loop run by a CompilerThread. | |
| 1711 void CompileBroker::compiler_thread_loop() { | |
| 1712 CompilerThread* thread = CompilerThread::current(); | |
| 1713 CompileQueue* queue = thread->queue(); | |
| 1714 // For the thread that initializes the ciObjectFactory | |
| 1715 // this resource mark holds all the shared objects | |
| 1716 ResourceMark rm; | |
| 1717 | |
| 1718 // First thread to get here will initialize the compiler interface | |
| 1719 | |
| 1720 if (!ciObjectFactory::is_initialized()) { | |
| 1721 ASSERT_IN_VM; | |
| 1722 MutexLocker only_one (CompileThread_lock, thread); | |
| 1723 if (!ciObjectFactory::is_initialized()) { | |
| 1724 ciObjectFactory::initialize(); | |
| 1725 } | |
| 1726 } | |
| 1727 | |
| 1728 // Open a log. | |
| 1729 if (LogCompilation) { | |
| 1730 init_compiler_thread_log(); | |
| 1731 } | |
| 1732 CompileLog* log = thread->log(); | |
| 1733 if (log != NULL) { | |
| 6843 | 1734 log->begin_elem("start_compile_thread name='%s' thread='" UINTX_FORMAT "' process='%d'", |
| 1735 thread->name(), | |
| 0 | 1736 os::current_thread_id(), |
| 1737 os::current_process_id()); | |
| 1738 log->stamp(); | |
| 1739 log->end_elem(); | |
| 1740 } | |
| 1741 | |
|
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1742 // If compiler thread/runtime initialization fails, exit the compiler thread |
|
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1743 if (!init_compiler_runtime()) { |
|
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1744 return; |
|
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|
1745 } |
| 1202 | 1746 |
|
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1747 // Poll for new compilation tasks as long as the JVM runs. Compilation |
|
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1748 // should only be disabled if something went wrong while initializing the |
|
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1749 // compiler runtimes. This, in turn, should not happen. The only known case |
|
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1750 // when compiler runtime initialization fails is if there is not enough free |
|
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1751 // space in the code cache to generate the necessary stubs, etc. |
|
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1752 while (!is_compilation_disabled_forever()) { |
|
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1753 // We need this HandleMark to avoid leaking VM handles. |
|
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1754 HandleMark hm(thread); |
| 0 | 1755 |
|
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1756 if (CodeCache::unallocated_capacity() < CodeCacheMinimumFreeSpace) { |
|
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1757 // the code cache is really full |
|
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|
1758 handle_full_code_cache(); |
|
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1759 } |
| 0 | 1760 |
|
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1761 CompileTask* task = queue->get(); |
|
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1762 if (task == NULL) { |
|
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|
1763 continue; |
|
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1764 } |
| 0 | 1765 |
|
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|
1766 // Give compiler threads an extra quanta. They tend to be bursty and |
|
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1767 // this helps the compiler to finish up the job. |
|
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1768 if( CompilerThreadHintNoPreempt ) |
|
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|
1769 os::hint_no_preempt(); |
| 0 | 1770 |
|
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1771 // trace per thread time and compile statistics |
|
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1772 CompilerCounters* counters = ((CompilerThread*)thread)->counters(); |
|
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1773 PerfTraceTimedEvent(counters->time_counter(), counters->compile_counter()); |
| 0 | 1774 |
|
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1775 // Assign the task to the current thread. Mark this compilation |
|
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|
1776 // thread as active for the profiler. |
|
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|
1777 CompileTaskWrapper ctw(task); |
|
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1778 nmethodLocker result_handle; // (handle for the nmethod produced by this task) |
|
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1779 task->set_code_handle(&result_handle); |
|
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1780 methodHandle method(thread, task->method()); |
|
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|
1781 |
|
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|
1782 // Never compile a method if breakpoints are present in it |
|
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|
1783 if (method()->number_of_breakpoints() == 0) { |
|
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|
1784 // Compile the method. |
|
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|
1785 if ((UseCompiler || AlwaysCompileLoopMethods) && CompileBroker::should_compile_new_jobs()) { |
| 0 | 1786 #ifdef COMPILER1 |
|
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|
1787 // Allow repeating compilations for the purpose of benchmarking |
|
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1788 // compile speed. This is not useful for customers. |
|
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|
1789 if (CompilationRepeat != 0) { |
|
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1790 int compile_count = CompilationRepeat; |
|
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1791 while (compile_count > 0) { |
|
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|
1792 invoke_compiler_on_method(task); |
|
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1793 nmethod* nm = method->code(); |
|
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1794 if (nm != NULL) { |
|
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|
1795 nm->make_zombie(); |
|
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|
1796 method->clear_code(); |
| 0 | 1797 } |
|
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1798 compile_count--; |
| 0 | 1799 } |
|
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1800 } |
| 0 | 1801 #endif /* COMPILER1 */ |
|
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1802 invoke_compiler_on_method(task); |
|
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1803 } else { |
|
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1804 // After compilation is disabled, remove remaining methods from queue |
|
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1805 method->clear_queued_for_compilation(); |
| 0 | 1806 } |
| 1807 } | |
| 1808 } | |
|
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1809 |
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1810 // Shut down compiler runtime |
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1811 shutdown_compiler_runtime(thread->compiler(), thread); |
| 0 | 1812 } |
| 1813 | |
| 1814 // ------------------------------------------------------------------ | |
| 1815 // CompileBroker::init_compiler_thread_log | |
| 1816 // | |
| 1817 // Set up state required by +LogCompilation. | |
| 1818 void CompileBroker::init_compiler_thread_log() { | |
| 1819 CompilerThread* thread = CompilerThread::current(); | |
|
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1820 char file_name[4*K]; |
| 0 | 1821 FILE* fp = NULL; |
| 1822 intx thread_id = os::current_thread_id(); | |
| 1823 for (int try_temp_dir = 1; try_temp_dir >= 0; try_temp_dir--) { | |
| 1824 const char* dir = (try_temp_dir ? os::get_temp_directory() : NULL); | |
|
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1825 if (dir == NULL) { |
|
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1826 jio_snprintf(file_name, sizeof(file_name), "hs_c" UINTX_FORMAT "_pid%u.log", |
|
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1827 thread_id, os::current_process_id()); |
|
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1828 } else { |
|
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1829 jio_snprintf(file_name, sizeof(file_name), |
|
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1830 "%s%shs_c" UINTX_FORMAT "_pid%u.log", dir, |
|
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1831 os::file_separator(), thread_id, os::current_process_id()); |
|
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1832 } |
|
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1833 |
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1834 fp = fopen(file_name, "at"); |
| 0 | 1835 if (fp != NULL) { |
|
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|
1836 if (LogCompilation && Verbose) { |
|
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1837 tty->print_cr("Opening compilation log %s", file_name); |
|
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1838 } |
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1839 CompileLog* log = new(ResourceObj::C_HEAP, mtCompiler) CompileLog(file_name, fp, thread_id); |
|
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1840 thread->init_log(log); |
|
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1841 |
|
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1842 if (xtty != NULL) { |
|
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1843 ttyLocker ttyl; |
|
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|
1844 // Record any per thread log files |
|
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|
1845 xtty->elem("thread_logfile thread='%d' filename='%s'", thread_id, file_name); |
|
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1846 } |
|
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|
1847 return; |
| 0 | 1848 } |
| 1849 } | |
|
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|
1850 warning("Cannot open log file: %s", file_name); |
| 0 | 1851 } |
| 1852 | |
| 1853 // ------------------------------------------------------------------ | |
| 1854 // CompileBroker::set_should_block | |
| 1855 // | |
| 1856 // Set _should_block. | |
| 1857 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 1858 void CompileBroker::set_should_block() { | |
| 1859 assert(Threads_lock->owner() == Thread::current(), "must have threads lock"); | |
| 1860 assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint already"); | |
| 1861 #ifndef PRODUCT | |
| 1862 if (PrintCompilation && (Verbose || WizardMode)) | |
| 1863 tty->print_cr("notifying compiler thread pool to block"); | |
| 1864 #endif | |
| 1865 _should_block = true; | |
| 1866 } | |
| 1867 | |
| 1868 // ------------------------------------------------------------------ | |
| 1869 // CompileBroker::maybe_block | |
| 1870 // | |
| 1871 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 1872 void CompileBroker::maybe_block() { | |
| 1873 if (_should_block) { | |
| 1874 #ifndef PRODUCT | |
| 1875 if (PrintCompilation && (Verbose || WizardMode)) | |
| 1876 tty->print_cr("compiler thread " INTPTR_FORMAT " poll detects block request", Thread::current()); | |
| 1877 #endif | |
| 1878 ThreadInVMfromNative tivfn(JavaThread::current()); | |
| 1879 } | |
| 1880 } | |
| 1881 | |
|
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|
1882 // wrapper for CodeCache::print_summary() |
|
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|
1883 static void codecache_print(bool detailed) |
|
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|
1884 { |
|
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|
1885 ResourceMark rm; |
|
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|
1886 stringStream s; |
|
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|
1887 // Dump code cache into a buffer before locking the tty, |
|
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|
1888 { |
|
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|
1889 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
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|
1890 CodeCache::print_summary(&s, detailed); |
|
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|
1891 } |
|
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|
1892 ttyLocker ttyl; |
|
12158
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|
1893 tty->print(s.as_string()); |
|
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|
1894 } |
|
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|
1895 |
|
15463
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|
1896 void CompileBroker::post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env) { |
|
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1897 |
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|
1898 if (success) { |
|
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made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
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|
1899 task->mark_success(); |
|
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1900 if (ci_env != NULL) { |
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|
1901 task->set_num_inlined_bytecodes(ci_env->num_inlined_bytecodes()); |
|
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1902 } |
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1903 if (_compilation_log != NULL) { |
|
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made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
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|
1904 nmethod* code = task->code(); |
|
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1905 if (code != NULL) { |
|
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|
1906 _compilation_log->log_nmethod(thread, code); |
|
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1907 } |
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1908 } |
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1909 } |
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1910 |
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1911 // simulate crash during compilation |
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1912 assert(task->compile_id() != CICrashAt, "just as planned"); |
|
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1913 if (event.should_commit()) { |
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1914 event.set_method(task->method()); |
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1915 event.set_compileID(task->compile_id()); |
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1916 event.set_compileLevel(task->comp_level()); |
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1917 event.set_succeded(task->is_success()); |
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1918 event.set_isOsr(task->osr_bci() != CompileBroker::standard_entry_bci); |
|
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|
1919 event.set_codeSize((task->code() == NULL) ? 0 : task->code()->total_size()); |
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1920 event.set_inlinedBytes(task->num_inlined_bytecodes()); |
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1921 event.commit(); |
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1922 } |
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1923 } |
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1924 |
| 0 | 1925 // ------------------------------------------------------------------ |
| 1926 // CompileBroker::invoke_compiler_on_method | |
| 1927 // | |
| 1928 // Compile a method. | |
| 1929 // | |
| 1930 void CompileBroker::invoke_compiler_on_method(CompileTask* task) { | |
| 1931 if (PrintCompilation) { | |
| 1932 ResourceMark rm; | |
| 1933 task->print_line(); | |
| 1934 } | |
| 1935 elapsedTimer time; | |
| 1936 | |
| 1937 CompilerThread* thread = CompilerThread::current(); | |
| 1938 ResourceMark rm(thread); | |
| 1939 | |
|
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1940 if (LogEvents) { |
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1941 _compilation_log->log_compile(thread, task); |
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1942 } |
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1943 |
| 0 | 1944 // Common flags. |
| 1945 uint compile_id = task->compile_id(); | |
| 1946 int osr_bci = task->osr_bci(); | |
| 1947 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1948 bool should_log = (thread->log() != NULL); | |
| 1949 bool should_break = false; | |
|
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1950 int task_level = task->comp_level(); |
| 0 | 1951 { |
| 1952 // create the handle inside it's own block so it can't | |
| 1953 // accidentally be referenced once the thread transitions to | |
| 1954 // native. The NoHandleMark before the transition should catch | |
| 1955 // any cases where this occurs in the future. | |
|
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1956 methodHandle method(thread, task->method()); |
| 0 | 1957 should_break = check_break_at(method, compile_id, is_osr); |
| 1958 if (should_log && !CompilerOracle::should_log(method)) { | |
| 1959 should_log = false; | |
| 1960 } | |
| 1961 assert(!method->is_native(), "no longer compile natives"); | |
| 1962 | |
| 1963 // Save information about this method in case of failure. | |
|
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1964 set_last_compile(thread, method, is_osr, task_level); |
| 0 | 1965 |
|
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1966 DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, compiler_name(task_level)); |
| 0 | 1967 } |
| 1968 | |
| 1969 // Allocate a new set of JNI handles. | |
| 1970 push_jni_handle_block(); | |
|
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1971 Method* target_handle = task->method(); |
| 0 | 1972 int compilable = ciEnv::MethodCompilable; |
|
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1973 AbstractCompiler *comp = compiler(task_level); |
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1974 |
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1975 #ifdef COMPILERGRAAL |
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1976 if (comp != NULL && comp->is_graal()) { |
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1977 GraalCompiler* graal = (GraalCompiler*) comp; |
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1978 |
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1979 TraceTime t1("compilation", &time); |
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1980 EventCompilation event; |
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1981 |
|
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1982 graal->compile_method(target_handle, osr_bci, task); |
|
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1983 |
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1984 post_compile(thread, task, event, task->code() != NULL, NULL); |
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1985 } else |
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1986 #endif // COMPILERGRAAL |
| 0 | 1987 { |
| 1988 int system_dictionary_modification_counter; | |
| 1989 { | |
| 1990 MutexLocker locker(Compile_lock, thread); | |
| 1991 system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); | |
| 1992 } | |
| 1993 | |
| 1994 NoHandleMark nhm; | |
| 1995 ThreadToNativeFromVM ttn(thread); | |
| 1996 | |
| 1997 ciEnv ci_env(task, system_dictionary_modification_counter); | |
| 1998 if (should_break) { | |
| 1999 ci_env.set_break_at_compile(true); | |
| 2000 } | |
| 2001 if (should_log) { | |
| 2002 ci_env.set_log(thread->log()); | |
| 2003 } | |
| 2004 assert(thread->env() == &ci_env, "set by ci_env"); | |
| 2005 // The thread-env() field is cleared in ~CompileTaskWrapper. | |
| 2006 | |
|
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2007 // Cache Jvmti state |
|
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|
2008 ci_env.cache_jvmti_state(); |
|
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|
2009 |
|
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|
2010 // Cache DTrace flags |
|
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|
2011 ci_env.cache_dtrace_flags(); |
|
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2012 |
| 0 | 2013 ciMethod* target = ci_env.get_method_from_handle(target_handle); |
| 2014 | |
| 2015 TraceTime t1("compilation", &time); | |
| 10405 | 2016 EventCompilation event; |
| 0 | 2017 |
|
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2018 if (comp == NULL) { |
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2019 ci_env.record_method_not_compilable("no compiler", !TieredCompilation); |
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2020 } else { |
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2021 comp->compile_method(&ci_env, target, osr_bci); |
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2022 } |
| 0 | 2023 |
| 2024 if (!ci_env.failing() && task->code() == NULL) { | |
| 2025 //assert(false, "compiler should always document failure"); | |
| 2026 // The compiler elected, without comment, not to register a result. | |
| 2027 // Do not attempt further compilations of this method. | |
|
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2028 ci_env.record_method_not_compilable("compile failed", !TieredCompilation); |
| 0 | 2029 } |
| 2030 | |
|
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2031 // Copy this bit to the enclosing block: |
|
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2032 compilable = ci_env.compilable(); |
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2033 |
| 0 | 2034 if (ci_env.failing()) { |
|
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2035 const char* retry_message = ci_env.retry_message(); |
|
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2036 if (_compilation_log != NULL) { |
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2037 _compilation_log->log_failure(thread, task, ci_env.failure_reason(), retry_message); |
|
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2038 } |
| 0 | 2039 if (PrintCompilation) { |
|
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|
2040 FormatBufferResource msg = retry_message != NULL ? |
|
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2041 err_msg_res("COMPILE SKIPPED: %s (%s)", ci_env.failure_reason(), retry_message) : |
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|
2042 err_msg_res("COMPILE SKIPPED: %s", ci_env.failure_reason()); |
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|
2043 task->print_compilation(tty, msg); |
| 0 | 2044 } |
| 2045 } | |
|
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|
2046 |
|
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Doug Simon <doug.simon@oracle.com>
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|
2047 post_compile(thread, task, event, !ci_env.failing(), &ci_env); |
| 0 | 2048 } |
| 2049 pop_jni_handle_block(); | |
| 2050 | |
|
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|
2051 methodHandle method(thread, task->method()); |
| 0 | 2052 |
|
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10206
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|
2053 DTRACE_METHOD_COMPILE_END_PROBE(method, compiler_name(task_level), task->is_success()); |
| 0 | 2054 |
| 2055 collect_statistics(thread, time, task); | |
| 2056 | |
|
4064
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|
2057 if (PrintCompilation && PrintCompilation2) { |
| 4047 | 2058 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); // print timestamp |
| 2059 tty->print("%4d ", compile_id); // print compilation number | |
| 2060 tty->print("%s ", (is_osr ? "%" : " ")); | |
| 10278 | 2061 if (task->code() != NULL) { |
| 2062 tty->print("size: %d(%d) ", task->code()->total_size(), task->code()->insts_size()); | |
| 2063 } | |
| 2064 tty->print_cr("time: %d inlined: %d bytes", (int)time.milliseconds(), task->num_inlined_bytecodes()); | |
| 4047 | 2065 } |
| 2066 | |
|
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|
2067 if (PrintCodeCacheOnCompilation) |
|
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|
2068 codecache_print(/* detailed= */ false); |
|
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|
2069 |
|
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|
2070 // Disable compilation, if required. |
|
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|
2071 switch (compilable) { |
|
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|
2072 case ciEnv::MethodCompilable_never: |
|
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|
2073 if (is_osr) |
|
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|
2074 method->set_not_osr_compilable_quietly(); |
|
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2075 else |
|
1208
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|
2076 method->set_not_compilable_quietly(); |
|
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2077 break; |
|
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2078 case ciEnv::MethodCompilable_not_at_tier: |
|
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2079 if (is_osr) |
|
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|
2080 method->set_not_osr_compilable_quietly(task_level); |
|
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2081 else |
|
8771
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|
2082 method->set_not_compilable_quietly(task_level); |
|
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|
2083 break; |
| 0 | 2084 } |
| 2085 | |
| 2086 // Note that the queued_for_compilation bits are cleared without | |
| 2087 // protection of a mutex. [They were set by the requester thread, | |
| 2088 // when adding the task to the complie queue -- at which time the | |
| 2089 // compile queue lock was held. Subsequently, we acquired the compile | |
| 2090 // queue lock to get this task off the compile queue; thus (to belabour | |
| 2091 // the point somewhat) our clearing of the bits must be occurring | |
| 2092 // only after the setting of the bits. See also 14012000 above. | |
| 2093 method->clear_queued_for_compilation(); | |
| 2094 | |
| 2095 #ifdef ASSERT | |
| 2096 if (CollectedHeap::fired_fake_oom()) { | |
| 2097 // The current compile received a fake OOM during compilation so | |
| 2098 // go ahead and exit the VM since the test apparently succeeded | |
| 2099 tty->print_cr("*** Shutting down VM after successful fake OOM"); | |
| 2100 vm_exit(0); | |
| 2101 } | |
| 2102 #endif | |
| 2103 } | |
| 2104 | |
|
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|
2105 /** |
|
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|
2106 * The CodeCache is full. Print out warning and disable compilation |
|
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|
2107 * or try code cache cleaning so compilation can continue later. |
|
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|
2108 */ |
| 1202 | 2109 void CompileBroker::handle_full_code_cache() { |
| 2110 UseInterpreter = true; | |
| 2111 if (UseCompiler || AlwaysCompileLoopMethods ) { | |
|
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2112 if (xtty != NULL) { |
|
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|
2113 ResourceMark rm; |
|
2482
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|
2114 stringStream s; |
|
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|
2115 // Dump code cache state into a buffer before locking the tty, |
|
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|
2116 // because log_state() will use locks causing lock conflicts. |
|
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2117 CodeCache::log_state(&s); |
|
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|
2118 // Lock to prevent tearing |
|
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|
2119 ttyLocker ttyl; |
|
1728
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|
2120 xtty->begin_elem("code_cache_full"); |
|
2482
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|
2121 xtty->print(s.as_string()); |
|
1728
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|
2122 xtty->stamp(); |
|
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|
2123 xtty->end_elem(); |
| 1202 | 2124 } |
| 10405 | 2125 |
| 2126 CodeCache::report_codemem_full(); | |
| 2127 | |
|
1578
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|
2128 #ifndef PRODUCT |
| 1202 | 2129 if (CompileTheWorld || ExitOnFullCodeCache) { |
|
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|
2130 codecache_print(/* detailed= */ true); |
| 1202 | 2131 before_exit(JavaThread::current()); |
| 2132 exit_globals(); // will delete tty | |
| 2133 vm_direct_exit(CompileTheWorld ? 0 : 1); | |
| 2134 } | |
|
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|
2135 #endif |
| 1202 | 2136 if (UseCodeCacheFlushing) { |
|
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2137 // Since code cache is full, immediately stop new compiles |
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2138 if (CompileBroker::set_should_compile_new_jobs(CompileBroker::stop_compilation)) { |
|
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2139 NMethodSweeper::log_sweep("disable_compiler"); |
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|
2140 } |
|
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|
2141 // Switch to 'vm_state'. This ensures that possibly_sweep() can be called |
|
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2142 // without having to consider the state in which the current thread is. |
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2143 ThreadInVMfromUnknown in_vm; |
|
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|
2144 NMethodSweeper::possibly_sweep(); |
| 1202 | 2145 } else { |
|
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|
2146 disable_compilation_forever(); |
| 1202 | 2147 } |
|
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|
2148 |
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2149 // Print warning only once |
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|
2150 if (should_print_compiler_warning()) { |
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|
2151 warning("CodeCache is full. Compiler has been disabled."); |
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2152 warning("Try increasing the code cache size using -XX:ReservedCodeCacheSize="); |
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2153 codecache_print(/* detailed= */ true); |
|
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|
2154 } |
| 1202 | 2155 } |
| 2156 } | |
| 2157 | |
| 2158 // ------------------------------------------------------------------ | |
| 0 | 2159 // CompileBroker::set_last_compile |
| 2160 // | |
| 2161 // Record this compilation for debugging purposes. | |
| 2162 void CompileBroker::set_last_compile(CompilerThread* thread, methodHandle method, bool is_osr, int comp_level) { | |
| 2163 ResourceMark rm; | |
| 2164 char* method_name = method->name()->as_C_string(); | |
| 2165 strncpy(_last_method_compiled, method_name, CompileBroker::name_buffer_length); | |
| 2166 char current_method[CompilerCounters::cmname_buffer_length]; | |
| 2167 size_t maxLen = CompilerCounters::cmname_buffer_length; | |
| 2168 | |
| 2169 if (UsePerfData) { | |
|
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2170 const char* class_name = method->method_holder()->name()->as_C_string(); |
| 0 | 2171 |
| 2172 size_t s1len = strlen(class_name); | |
| 2173 size_t s2len = strlen(method_name); | |
| 2174 | |
| 2175 // check if we need to truncate the string | |
| 2176 if (s1len + s2len + 2 > maxLen) { | |
| 2177 | |
| 2178 // the strategy is to lop off the leading characters of the | |
| 2179 // class name and the trailing characters of the method name. | |
| 2180 | |
| 2181 if (s2len + 2 > maxLen) { | |
| 2182 // lop of the entire class name string, let snprintf handle | |
| 2183 // truncation of the method name. | |
| 2184 class_name += s1len; // null string | |
| 2185 } | |
| 2186 else { | |
| 2187 // lop off the extra characters from the front of the class name | |
| 2188 class_name += ((s1len + s2len + 2) - maxLen); | |
| 2189 } | |
| 2190 } | |
| 2191 | |
| 2192 jio_snprintf(current_method, maxLen, "%s %s", class_name, method_name); | |
| 2193 } | |
| 2194 | |
| 2195 if (CICountOSR && is_osr) { | |
| 2196 _last_compile_type = osr_compile; | |
| 2197 } else { | |
| 2198 _last_compile_type = normal_compile; | |
| 2199 } | |
| 2200 _last_compile_level = comp_level; | |
| 2201 | |
| 2202 if (UsePerfData) { | |
| 2203 CompilerCounters* counters = thread->counters(); | |
| 2204 counters->set_current_method(current_method); | |
| 2205 counters->set_compile_type((jlong)_last_compile_type); | |
| 2206 } | |
| 2207 } | |
| 2208 | |
| 2209 | |
| 2210 // ------------------------------------------------------------------ | |
| 2211 // CompileBroker::push_jni_handle_block | |
| 2212 // | |
| 2213 // Push on a new block of JNI handles. | |
| 2214 void CompileBroker::push_jni_handle_block() { | |
| 2215 JavaThread* thread = JavaThread::current(); | |
| 2216 | |
| 2217 // Allocate a new block for JNI handles. | |
| 2218 // Inlined code from jni_PushLocalFrame() | |
| 2219 JNIHandleBlock* java_handles = thread->active_handles(); | |
| 2220 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); | |
| 2221 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); | |
| 2222 compile_handles->set_pop_frame_link(java_handles); // make sure java handles get gc'd. | |
| 2223 thread->set_active_handles(compile_handles); | |
| 2224 } | |
| 2225 | |
| 2226 | |
| 2227 // ------------------------------------------------------------------ | |
| 2228 // CompileBroker::pop_jni_handle_block | |
| 2229 // | |
| 2230 // Pop off the current block of JNI handles. | |
| 2231 void CompileBroker::pop_jni_handle_block() { | |
| 2232 JavaThread* thread = JavaThread::current(); | |
| 2233 | |
| 2234 // Release our JNI handle block | |
| 2235 JNIHandleBlock* compile_handles = thread->active_handles(); | |
| 2236 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); | |
| 2237 thread->set_active_handles(java_handles); | |
| 2238 compile_handles->set_pop_frame_link(NULL); | |
| 2239 JNIHandleBlock::release_block(compile_handles, thread); // may block | |
| 2240 } | |
| 2241 | |
| 2242 | |
| 2243 // ------------------------------------------------------------------ | |
| 2244 // CompileBroker::check_break_at | |
| 2245 // | |
| 2246 // Should the compilation break at the current compilation. | |
| 2247 bool CompileBroker::check_break_at(methodHandle method, int compile_id, bool is_osr) { | |
| 2248 if (CICountOSR && is_osr && (compile_id == CIBreakAtOSR)) { | |
| 2249 return true; | |
| 2250 } else if( CompilerOracle::should_break_at(method) ) { // break when compiling | |
| 2251 return true; | |
| 2252 } else { | |
| 2253 return (compile_id == CIBreakAt); | |
| 2254 } | |
| 2255 } | |
| 2256 | |
| 2257 // ------------------------------------------------------------------ | |
| 2258 // CompileBroker::collect_statistics | |
| 2259 // | |
| 2260 // Collect statistics about the compilation. | |
| 2261 | |
| 2262 void CompileBroker::collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task) { | |
| 2263 bool success = task->is_success(); | |
|
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|
2264 methodHandle method (thread, task->method()); |
| 0 | 2265 uint compile_id = task->compile_id(); |
| 2266 bool is_osr = (task->osr_bci() != standard_entry_bci); | |
| 2267 nmethod* code = task->code(); | |
| 2268 CompilerCounters* counters = thread->counters(); | |
| 2269 | |
| 2270 assert(code == NULL || code->is_locked_by_vm(), "will survive the MutexLocker"); | |
| 2271 MutexLocker locker(CompileStatistics_lock); | |
| 2272 | |
| 2273 // _perf variables are production performance counters which are | |
| 2274 // updated regardless of the setting of the CITime and CITimeEach flags | |
| 2275 // | |
| 2276 if (!success) { | |
| 2277 _total_bailout_count++; | |
| 2278 if (UsePerfData) { | |
| 2279 _perf_last_failed_method->set_value(counters->current_method()); | |
| 2280 _perf_last_failed_type->set_value(counters->compile_type()); | |
| 2281 _perf_total_bailout_count->inc(); | |
| 2282 } | |
| 2283 } else if (code == NULL) { | |
| 2284 if (UsePerfData) { | |
| 2285 _perf_last_invalidated_method->set_value(counters->current_method()); | |
| 2286 _perf_last_invalidated_type->set_value(counters->compile_type()); | |
| 2287 _perf_total_invalidated_count->inc(); | |
| 2288 } | |
| 2289 _total_invalidated_count++; | |
| 2290 } else { | |
| 2291 // Compilation succeeded | |
| 2292 | |
| 2293 // update compilation ticks - used by the implementation of | |
| 2294 // java.lang.management.CompilationMBean | |
| 2295 _perf_total_compilation->inc(time.ticks()); | |
| 2296 | |
| 10405 | 2297 _t_total_compilation.add(time); |
| 2298 _peak_compilation_time = time.milliseconds() > _peak_compilation_time ? time.milliseconds() : _peak_compilation_time; | |
| 2299 | |
| 0 | 2300 if (CITime) { |
|
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|
2301 int bytes_compiled = method->code_size() + task->num_inlined_bytecodes(); |
|
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|
2302 GRAAL_ONLY(CompilerStatistics* stats = compiler(task->comp_level())->stats();) |
| 0 | 2303 if (is_osr) { |
| 2304 _t_osr_compilation.add(time); | |
|
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|
2305 _sum_osr_bytes_compiled += bytes_compiled; |
|
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|
2306 GRAAL_ONLY(stats->_osr.update(time, bytes_compiled);) |
| 0 | 2307 } else { |
| 2308 _t_standard_compilation.add(time); | |
| 2309 _sum_standard_bytes_compiled += method->code_size() + task->num_inlined_bytecodes(); | |
|
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
2310 GRAAL_ONLY(stats->_standard.update(time, bytes_compiled);) |
| 0 | 2311 } |
|
12779
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|
2312 GRAAL_ONLY(stats->_nmethods_size += code->total_size();) |
|
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made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2313 GRAAL_ONLY(stats->_nmethods_code_size += code->insts_size();) |
| 0 | 2314 } |
| 2315 | |
| 2316 if (UsePerfData) { | |
| 2317 // save the name of the last method compiled | |
| 2318 _perf_last_method->set_value(counters->current_method()); | |
| 2319 _perf_last_compile_type->set_value(counters->compile_type()); | |
| 2320 _perf_last_compile_size->set_value(method->code_size() + | |
| 2321 task->num_inlined_bytecodes()); | |
| 2322 if (is_osr) { | |
| 2323 _perf_osr_compilation->inc(time.ticks()); | |
| 2324 _perf_sum_osr_bytes_compiled->inc(method->code_size() + task->num_inlined_bytecodes()); | |
| 2325 } else { | |
| 2326 _perf_standard_compilation->inc(time.ticks()); | |
| 2327 _perf_sum_standard_bytes_compiled->inc(method->code_size() + task->num_inlined_bytecodes()); | |
| 2328 } | |
| 2329 } | |
| 2330 | |
| 2331 if (CITimeEach) { | |
| 2332 float bytes_per_sec = 1.0 * (method->code_size() + task->num_inlined_bytecodes()) / time.seconds(); | |
| 2333 tty->print_cr("%3d seconds: %f bytes/sec : %f (bytes %d + %d inlined)", | |
| 2334 compile_id, time.seconds(), bytes_per_sec, method->code_size(), task->num_inlined_bytecodes()); | |
| 2335 } | |
| 2336 | |
| 2337 // Collect counts of successful compilations | |
| 1748 | 2338 _sum_nmethod_size += code->total_size(); |
| 2339 _sum_nmethod_code_size += code->insts_size(); | |
| 0 | 2340 _total_compile_count++; |
| 2341 | |
| 2342 if (UsePerfData) { | |
| 1748 | 2343 _perf_sum_nmethod_size->inc( code->total_size()); |
| 2344 _perf_sum_nmethod_code_size->inc(code->insts_size()); | |
| 0 | 2345 _perf_total_compile_count->inc(); |
| 2346 } | |
| 2347 | |
| 2348 if (is_osr) { | |
| 2349 if (UsePerfData) _perf_total_osr_compile_count->inc(); | |
| 2350 _total_osr_compile_count++; | |
| 2351 } else { | |
| 2352 if (UsePerfData) _perf_total_standard_compile_count->inc(); | |
| 2353 _total_standard_compile_count++; | |
| 2354 } | |
| 2355 } | |
| 2356 // set the current method for the thread to null | |
| 2357 if (UsePerfData) counters->set_current_method(""); | |
| 2358 } | |
| 2359 | |
|
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|
2360 const char* CompileBroker::compiler_name(int comp_level) { |
|
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|
2361 AbstractCompiler *comp = CompileBroker::compiler(comp_level); |
|
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|
2362 if (comp == NULL) { |
|
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|
2363 return "no compiler"; |
|
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|
2364 } else { |
|
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|
2365 return (comp->name()); |
|
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|
2366 } |
|
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|
2367 } |
| 0 | 2368 |
|
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|
2369 #ifdef GRAAL |
|
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|
2370 void CompileBroker::print_times(AbstractCompiler* comp) { |
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|
2371 CompilerStatistics* stats = comp->stats(); |
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|
2372 tty->print_cr(" %s {speed: %d bytes/s; standard: %6.3f s, %d bytes, %d methods; osr: %6.3f s, %d bytes, %d methods; nmethods_size: %d bytes; nmethods_code_size: %d bytes}", |
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2373 comp->name(), stats->bytes_per_second(), |
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2374 stats->_standard._time.seconds(), stats->_standard._bytes, stats->_standard._count, |
|
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2375 stats->_osr._time.seconds(), stats->_osr._bytes, stats->_osr._count, |
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2376 stats->_nmethods_size, stats->_nmethods_code_size); |
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2377 } |
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2378 #endif |
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2379 |
|
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|
2380 void CompileBroker::print_times(bool per_compiler, bool aggregate) { |
|
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2381 #ifdef GRAAL |
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2382 elapsedTimer standard_compilation; |
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2383 elapsedTimer total_compilation; |
|
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2384 elapsedTimer osr_compilation; |
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2385 |
|
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2386 int standard_bytes_compiled = 0; |
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2387 int osr_bytes_compiled = 0; |
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2388 |
|
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2389 int standard_compile_count = 0; |
|
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2390 int osr_compile_count = 0; |
|
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2391 int total_compile_count = 0; |
|
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|
2392 |
|
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|
2393 int nmethods_size = 0; |
|
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2394 int nmethods_code_size = 0; |
|
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|
2395 bool printedHeader = false; |
|
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|
2396 |
|
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made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2397 for (unsigned int i = 0; i < sizeof(_compilers) / sizeof(AbstractCompiler*); i++) { |
|
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|
2398 AbstractCompiler* comp = _compilers[i]; |
|
f6c511451e4a
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|
2399 if (comp != NULL) { |
|
13364
5a4293f24642
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|
2400 if (per_compiler && aggregate && !printedHeader) { |
|
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|
2401 printedHeader = true; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2402 tty->cr(); |
|
f6c511451e4a
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|
2403 tty->print_cr("Individual compiler times (for compiled methods only)"); |
|
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Doug Simon <doug.simon@oracle.com>
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|
2404 tty->print_cr("------------------------------------------------"); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2405 tty->cr(); |
|
f6c511451e4a
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|
2406 } |
|
f6c511451e4a
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|
2407 CompilerStatistics* stats = comp->stats(); |
|
f6c511451e4a
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|
2408 |
|
f6c511451e4a
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|
2409 standard_compilation.add(stats->_standard._time); |
|
f6c511451e4a
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|
2410 osr_compilation.add(stats->_osr._time); |
|
f6c511451e4a
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|
2411 |
|
f6c511451e4a
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|
2412 standard_bytes_compiled += stats->_standard._bytes; |
|
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|
2413 osr_bytes_compiled += stats->_osr._bytes; |
|
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|
2414 |
|
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|
2415 standard_compile_count += stats->_standard._count; |
|
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2416 osr_compile_count += stats->_osr._count; |
|
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|
2417 |
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2418 nmethods_size += stats->_nmethods_size; |
|
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|
2419 nmethods_code_size += stats->_nmethods_code_size; |
|
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|
2420 |
|
13364
5a4293f24642
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Doug Simon <doug.simon@oracle.com>
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diff
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|
2421 if (per_compiler) { |
|
16006
66a9286203a2
decoupled Graal runtime initialization and Graal compilation queue initialization
Doug Simon <doug.simon@oracle.com>
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15494
diff
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|
2422 print_times(comp); |
|
13364
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|
2423 } |
|
12779
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|
2424 } |
|
f6c511451e4a
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|
2425 } |
|
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|
2426 total_compile_count = osr_compile_count + standard_compile_count; |
|
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|
2427 total_compilation.add(osr_compilation); |
|
f6c511451e4a
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Doug Simon <doug.simon@oracle.com>
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|
2428 total_compilation.add(standard_compilation); |
|
f6c511451e4a
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|
2429 #else |
|
f6c511451e4a
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|
2430 elapsedTimer standard_compilation = CompileBroker::_t_standard_compilation; |
|
f6c511451e4a
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|
2431 elapsedTimer osr_compilation = CompileBroker::_t_osr_compilation; |
|
f6c511451e4a
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Doug Simon <doug.simon@oracle.com>
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|
2432 elapsedTimer total_compilation = CompileBroker::_t_total_compilation; |
|
f6c511451e4a
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Doug Simon <doug.simon@oracle.com>
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|
2433 |
|
f6c511451e4a
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Doug Simon <doug.simon@oracle.com>
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|
2434 int standard_bytes_compiled = CompileBroker::_sum_standard_bytes_compiled; |
|
f6c511451e4a
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|
2435 int osr_bytes_compiled = CompileBroker::_sum_osr_bytes_compiled; |
|
f6c511451e4a
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Doug Simon <doug.simon@oracle.com>
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|
2436 |
|
f6c511451e4a
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Doug Simon <doug.simon@oracle.com>
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|
2437 int standard_compile_count = CompileBroker::_total_standard_compile_count; |
|
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Doug Simon <doug.simon@oracle.com>
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|
2438 int osr_compile_count = CompileBroker::_total_osr_compile_count; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
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|
2439 int total_compile_count = CompileBroker::_total_compile_count; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2440 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
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|
2441 int nmethods_size = CompileBroker::_sum_nmethod_code_size; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2442 int nmethods_code_size = CompileBroker::_sum_nmethod_size; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
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|
2443 #endif |
|
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made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2444 |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
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diff
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|
2445 if (!aggregate) { |
|
5a4293f24642
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Doug Simon <doug.simon@oracle.com>
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diff
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|
2446 return; |
|
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Doug Simon <doug.simon@oracle.com>
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diff
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|
2447 } |
| 0 | 2448 tty->cr(); |
| 2449 tty->print_cr("Accumulated compiler times (for compiled methods only)"); | |
| 2450 tty->print_cr("------------------------------------------------"); | |
| 2451 //0000000000111111111122222222223333333333444444444455555555556666666666 | |
| 2452 //0123456789012345678901234567890123456789012345678901234567890123456789 | |
|
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|
2453 tty->print_cr(" Total compilation time : %6.3f s", total_compilation.seconds()); |
| 0 | 2454 tty->print_cr(" Standard compilation : %6.3f s, Average : %2.3f", |
|
12779
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|
2455 standard_compilation.seconds(), |
|
f6c511451e4a
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|
2456 standard_compilation.seconds() / standard_compile_count); |
|
f6c511451e4a
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|
2457 tty->print_cr(" On stack replacement : %6.3f s, Average : %2.3f", osr_compilation.seconds(), osr_compilation.seconds() / osr_compile_count); |
| 1131 | 2458 |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2459 AbstractCompiler *comp = compiler(CompLevel_simple); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
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diff
changeset
|
2460 if (comp != NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
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diff
changeset
|
2461 comp->print_timers(); |
| 0 | 2462 } |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2463 comp = compiler(CompLevel_full_optimization); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
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diff
changeset
|
2464 if (comp != NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
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changeset
|
2465 comp->print_timers(); |
| 1783 | 2466 } |
| 0 | 2467 tty->cr(); |
|
12779
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|
2468 tty->print_cr(" Total compiled methods : %6d methods", total_compile_count); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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changeset
|
2469 tty->print_cr(" Standard compilation : %6d methods", standard_compile_count); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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changeset
|
2470 tty->print_cr(" On stack replacement : %6d methods", osr_compile_count); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2471 int tcb = osr_bytes_compiled + standard_bytes_compiled; |
| 0 | 2472 tty->print_cr(" Total compiled bytecodes : %6d bytes", tcb); |
|
12779
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changeset
|
2473 tty->print_cr(" Standard compilation : %6d bytes", standard_bytes_compiled); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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changeset
|
2474 tty->print_cr(" On stack replacement : %6d bytes", osr_bytes_compiled); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
2475 double tcs = total_compilation.seconds(); |
|
7568
140d4d4ab3b9
added per-compiler compilation speed statistics for C1 and C2 (included in output produced by -XX:+CITime)
Doug Simon <doug.simon@oracle.com>
parents:
7482
diff
changeset
|
2476 int bps = tcs == 0.0 ? 0 : (int)(tcb / tcs); |
| 0 | 2477 tty->print_cr(" Average compilation speed: %6d bytes/s", bps); |
| 2478 tty->cr(); | |
|
12779
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
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changeset
|
2479 tty->print_cr(" nmethod code size : %6d bytes", nmethods_code_size); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
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|
2480 tty->print_cr(" nmethod total size : %6d bytes", nmethods_size); |
| 0 | 2481 } |
| 2482 | |
| 2483 // Debugging output for failure | |
| 2484 void CompileBroker::print_last_compile() { | |
| 2485 if ( _last_compile_level != CompLevel_none && | |
| 2486 compiler(_last_compile_level) != NULL && | |
| 2487 _last_method_compiled != NULL && | |
| 2488 _last_compile_type != no_compile) { | |
| 2489 if (_last_compile_type == osr_compile) { | |
| 2490 tty->print_cr("Last parse: [osr]%d+++(%d) %s", | |
| 2491 _osr_compilation_id, _last_compile_level, _last_method_compiled); | |
| 2492 } else { | |
| 2493 tty->print_cr("Last parse: %d+++(%d) %s", | |
| 2494 _compilation_id, _last_compile_level, _last_method_compiled); | |
| 2495 } | |
| 2496 } | |
| 2497 } | |
| 2498 | |
| 2499 | |
| 2500 void CompileBroker::print_compiler_threads_on(outputStream* st) { | |
| 2501 #ifndef PRODUCT | |
| 2502 st->print_cr("Compiler thread printing unimplemented."); | |
| 2503 st->cr(); | |
| 2504 #endif | |
| 2505 } |