Mercurial > hg > graal-jvmci-8
annotate src/share/vm/compiler/compileBroker.cpp @ 23294:5d04cfbd1945
reduced delta against jvmci-9
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 29 Jan 2016 21:52:36 +0100 |
| parents | d2cd0b15957c |
| children | c3ebefa1c743 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1999, 2014, 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 | |
| 22298 | 52 #if INCLUDE_JVMCI |
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53 #include "jvmci/jvmciCompiler.hpp" |
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54 #include "jvmci/jvmciJavaClasses.hpp" |
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55 #ifdef COMPILERJVMCI |
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56 #include "jvmci/jvmciRuntime.hpp" |
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57 #include "runtime/vframe.hpp" |
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58 #endif |
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59 #endif |
| 1972 | 60 #ifdef COMPILER2 |
| 61 #include "opto/c2compiler.hpp" | |
| 62 #endif | |
| 63 #ifdef SHARK | |
| 64 #include "shark/sharkCompiler.hpp" | |
| 65 #endif | |
| 0 | 66 |
| 67 #ifdef DTRACE_ENABLED | |
| 68 | |
| 69 // Only bother with this argument setup if dtrace is available | |
| 70 | |
| 4006 | 71 #ifndef USDT2 |
| 0 | 72 HS_DTRACE_PROBE_DECL8(hotspot, method__compile__begin, |
| 73 char*, intptr_t, char*, intptr_t, char*, intptr_t, char*, intptr_t); | |
| 74 HS_DTRACE_PROBE_DECL9(hotspot, method__compile__end, | |
| 75 char*, intptr_t, char*, intptr_t, char*, intptr_t, char*, intptr_t, bool); | |
| 76 | |
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77 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) \ |
| 0 | 78 { \ |
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79 Symbol* klass_name = (method)->klass_name(); \ |
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80 Symbol* name = (method)->name(); \ |
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81 Symbol* signature = (method)->signature(); \ |
| 0 | 82 HS_DTRACE_PROBE8(hotspot, method__compile__begin, \ |
| 83 comp_name, strlen(comp_name), \ | |
| 84 klass_name->bytes(), klass_name->utf8_length(), \ | |
| 85 name->bytes(), name->utf8_length(), \ | |
| 86 signature->bytes(), signature->utf8_length()); \ | |
| 87 } | |
| 88 | |
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89 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) \ |
| 0 | 90 { \ |
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91 Symbol* klass_name = (method)->klass_name(); \ |
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92 Symbol* name = (method)->name(); \ |
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93 Symbol* signature = (method)->signature(); \ |
| 0 | 94 HS_DTRACE_PROBE9(hotspot, method__compile__end, \ |
| 95 comp_name, strlen(comp_name), \ | |
| 96 klass_name->bytes(), klass_name->utf8_length(), \ | |
| 97 name->bytes(), name->utf8_length(), \ | |
| 98 signature->bytes(), signature->utf8_length(), (success)); \ | |
| 99 } | |
| 100 | |
| 4006 | 101 #else /* USDT2 */ |
| 102 | |
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103 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) \ |
| 4006 | 104 { \ |
| 105 Symbol* klass_name = (method)->klass_name(); \ | |
| 106 Symbol* name = (method)->name(); \ | |
| 107 Symbol* signature = (method)->signature(); \ | |
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108 HOTSPOT_METHOD_COMPILE_BEGIN( \ |
| 4006 | 109 comp_name, strlen(comp_name), \ |
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110 (char *) klass_name->bytes(), klass_name->utf8_length(), \ |
| 4006 | 111 (char *) name->bytes(), name->utf8_length(), \ |
| 112 (char *) signature->bytes(), signature->utf8_length()); \ | |
| 113 } | |
| 114 | |
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115 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) \ |
| 4006 | 116 { \ |
| 117 Symbol* klass_name = (method)->klass_name(); \ | |
| 118 Symbol* name = (method)->name(); \ | |
| 119 Symbol* signature = (method)->signature(); \ | |
| 120 HOTSPOT_METHOD_COMPILE_END( \ | |
| 121 comp_name, strlen(comp_name), \ | |
| 122 (char *) klass_name->bytes(), klass_name->utf8_length(), \ | |
| 123 (char *) name->bytes(), name->utf8_length(), \ | |
| 124 (char *) signature->bytes(), signature->utf8_length(), (success)); \ | |
| 125 } | |
| 126 #endif /* USDT2 */ | |
| 127 | |
| 0 | 128 #else // ndef DTRACE_ENABLED |
| 129 | |
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130 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) |
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131 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) |
| 0 | 132 |
| 133 #endif // ndef DTRACE_ENABLED | |
| 134 | |
| 135 bool CompileBroker::_initialized = false; | |
| 136 volatile bool CompileBroker::_should_block = false; | |
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137 volatile jint CompileBroker::_print_compilation_warning = 0; |
| 1202 | 138 volatile jint CompileBroker::_should_compile_new_jobs = run_compilation; |
| 0 | 139 |
| 140 // The installed compiler(s) | |
| 141 AbstractCompiler* CompileBroker::_compilers[2]; | |
| 142 | |
| 14236 | 143 // These counters are used to assign an unique ID to each compilation. |
| 144 volatile jint CompileBroker::_compilation_id = 0; | |
| 145 volatile jint CompileBroker::_osr_compilation_id = 0; | |
| 0 | 146 |
| 147 // Debugging information | |
| 148 int CompileBroker::_last_compile_type = no_compile; | |
| 149 int CompileBroker::_last_compile_level = CompLevel_none; | |
| 150 char CompileBroker::_last_method_compiled[CompileBroker::name_buffer_length]; | |
| 151 | |
| 152 // Performance counters | |
| 153 PerfCounter* CompileBroker::_perf_total_compilation = NULL; | |
| 154 PerfCounter* CompileBroker::_perf_osr_compilation = NULL; | |
| 155 PerfCounter* CompileBroker::_perf_standard_compilation = NULL; | |
| 156 | |
| 157 PerfCounter* CompileBroker::_perf_total_bailout_count = NULL; | |
| 158 PerfCounter* CompileBroker::_perf_total_invalidated_count = NULL; | |
| 159 PerfCounter* CompileBroker::_perf_total_compile_count = NULL; | |
| 160 PerfCounter* CompileBroker::_perf_total_osr_compile_count = NULL; | |
| 161 PerfCounter* CompileBroker::_perf_total_standard_compile_count = NULL; | |
| 162 | |
| 163 PerfCounter* CompileBroker::_perf_sum_osr_bytes_compiled = NULL; | |
| 164 PerfCounter* CompileBroker::_perf_sum_standard_bytes_compiled = NULL; | |
| 165 PerfCounter* CompileBroker::_perf_sum_nmethod_size = NULL; | |
| 166 PerfCounter* CompileBroker::_perf_sum_nmethod_code_size = NULL; | |
| 167 | |
| 168 PerfStringVariable* CompileBroker::_perf_last_method = NULL; | |
| 169 PerfStringVariable* CompileBroker::_perf_last_failed_method = NULL; | |
| 170 PerfStringVariable* CompileBroker::_perf_last_invalidated_method = NULL; | |
| 171 PerfVariable* CompileBroker::_perf_last_compile_type = NULL; | |
| 172 PerfVariable* CompileBroker::_perf_last_compile_size = NULL; | |
| 173 PerfVariable* CompileBroker::_perf_last_failed_type = NULL; | |
| 174 PerfVariable* CompileBroker::_perf_last_invalidated_type = NULL; | |
| 175 | |
| 176 // Timers and counters for generating statistics | |
| 177 elapsedTimer CompileBroker::_t_total_compilation; | |
| 178 elapsedTimer CompileBroker::_t_osr_compilation; | |
| 179 elapsedTimer CompileBroker::_t_standard_compilation; | |
| 180 | |
| 181 int CompileBroker::_total_bailout_count = 0; | |
| 182 int CompileBroker::_total_invalidated_count = 0; | |
| 183 int CompileBroker::_total_compile_count = 0; | |
| 184 int CompileBroker::_total_osr_compile_count = 0; | |
| 185 int CompileBroker::_total_standard_compile_count = 0; | |
| 186 | |
| 187 int CompileBroker::_sum_osr_bytes_compiled = 0; | |
| 188 int CompileBroker::_sum_standard_bytes_compiled = 0; | |
| 189 int CompileBroker::_sum_nmethod_size = 0; | |
| 190 int CompileBroker::_sum_nmethod_code_size = 0; | |
| 191 | |
| 10405 | 192 long CompileBroker::_peak_compilation_time = 0; |
| 193 | |
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194 CompileQueue* CompileBroker::_c2_compile_queue = NULL; |
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195 CompileQueue* CompileBroker::_c1_compile_queue = NULL; |
| 0 | 196 |
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197 GrowableArray<CompilerThread*>* CompileBroker::_compiler_threads = NULL; |
| 0 | 198 |
| 199 | |
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200 class CompilationLog : public StringEventLog { |
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201 public: |
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202 CompilationLog() : StringEventLog("Compilation events") { |
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203 } |
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204 |
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205 void log_compile(JavaThread* thread, CompileTask* task) { |
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206 StringLogMessage lm; |
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207 stringStream sstr = lm.stream(); |
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208 // msg.time_stamp().update_to(tty->time_stamp().ticks()); |
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209 task->print_compilation(&sstr, NULL, true); |
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210 log(thread, "%s", (const char*)lm); |
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211 } |
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212 |
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213 void log_nmethod(JavaThread* thread, nmethod* nm) { |
| 4944 | 214 log(thread, "nmethod %d%s " INTPTR_FORMAT " code ["INTPTR_FORMAT ", " INTPTR_FORMAT "]", |
| 215 nm->compile_id(), nm->is_osr_method() ? "%" : "", | |
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216 p2i(nm), p2i(nm->code_begin()), p2i(nm->code_end())); |
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217 } |
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218 |
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219 void log_failure(JavaThread* thread, CompileTask* task, const char* reason, const char* retry_message) { |
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220 StringLogMessage lm; |
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221 lm.print("%4d COMPILE SKIPPED: %s", task->compile_id(), reason); |
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222 if (retry_message != NULL) { |
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223 lm.append(" (%s)", retry_message); |
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224 } |
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225 lm.print("\n"); |
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226 log(thread, "%s", (const char*)lm); |
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227 } |
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228 }; |
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229 |
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230 static CompilationLog* _compilation_log = NULL; |
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231 |
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232 void compileBroker_init() { |
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233 if (LogEvents) { |
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234 _compilation_log = new CompilationLog(); |
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235 } |
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236 } |
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237 |
| 0 | 238 CompileTaskWrapper::CompileTaskWrapper(CompileTask* task) { |
| 239 CompilerThread* thread = CompilerThread::current(); | |
| 240 thread->set_task(task); | |
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241 #ifdef COMPILERJVMCI |
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242 if (task->is_blocking() && CompileBroker::compiler(task->comp_level())->is_jvmci()) { |
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243 task->set_jvmci_compiler_thread(thread); |
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244 } |
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245 #endif |
| 0 | 246 CompileLog* log = thread->log(); |
| 247 if (log != NULL) task->log_task_start(log); | |
| 248 } | |
| 249 | |
| 250 CompileTaskWrapper::~CompileTaskWrapper() { | |
| 251 CompilerThread* thread = CompilerThread::current(); | |
| 252 CompileTask* task = thread->task(); | |
| 253 CompileLog* log = thread->log(); | |
| 254 if (log != NULL) task->log_task_done(log); | |
| 255 thread->set_task(NULL); | |
| 256 task->set_code_handle(NULL); | |
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257 thread->set_env(NULL); |
| 0 | 258 if (task->is_blocking()) { |
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259 bool free_task = false; |
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260 { |
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261 MutexLocker notifier(task->lock(), thread); |
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262 task->mark_complete(); |
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263 #ifdef COMPILERJVMCI |
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264 if (CompileBroker::compiler(task->comp_level())->is_jvmci()) { |
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265 if (!task->has_waiter()) { |
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266 // The waiting thread timed out and thus did not free the task. |
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267 free_task = true; |
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268 } |
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269 task->set_jvmci_compiler_thread(NULL); |
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270 } |
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271 #endif |
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272 if (!free_task) { |
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273 // Notify the waiting thread that the compilation has completed. |
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274 task->lock()->notify_all(); |
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275 } |
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276 } |
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277 if (free_task) { |
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278 // The task can only be freed once the task lock is released. |
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279 CompileTask::free(task); |
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280 } |
| 0 | 281 } else { |
| 282 task->mark_complete(); | |
| 283 | |
| 284 // By convention, the compiling thread is responsible for | |
| 285 // recycling a non-blocking CompileTask. | |
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286 CompileTask::free(task); |
| 0 | 287 } |
| 288 } | |
| 289 | |
| 290 | |
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291 CompileTask* CompileTask::_task_free_list = NULL; |
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292 #ifdef ASSERT |
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293 int CompileTask::_num_allocated_tasks = 0; |
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294 #endif |
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295 /** |
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296 * Allocate a CompileTask, from the free list if possible. |
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297 */ |
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298 CompileTask* CompileTask::allocate() { |
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299 MutexLocker locker(CompileTaskAlloc_lock); |
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300 CompileTask* task = NULL; |
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301 |
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302 if (_task_free_list != NULL) { |
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303 task = _task_free_list; |
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304 _task_free_list = task->next(); |
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305 task->set_next(NULL); |
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306 } else { |
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307 task = new CompileTask(); |
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308 DEBUG_ONLY(_num_allocated_tasks++;) |
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309 NOT_COMPILERJVMCI(assert (_num_allocated_tasks < 10000, "Leaking compilation tasks?");) |
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310 task->set_next(NULL); |
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311 task->set_is_free(true); |
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312 } |
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313 assert(task->is_free(), "Task must be free."); |
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314 task->set_is_free(false); |
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315 return task; |
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316 } |
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317 |
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318 |
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319 /** |
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320 * Add a task to the free list. |
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321 */ |
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322 void CompileTask::free(CompileTask* task) { |
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323 MutexLocker locker(CompileTaskAlloc_lock); |
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324 if (!task->is_free()) { |
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325 task->set_code(NULL); |
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326 assert(!task->lock()->is_locked(), "Should not be locked when freed"); |
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327 JNIHandles::destroy_global(task->_method_holder); |
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328 JNIHandles::destroy_global(task->_hot_method_holder); |
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329 |
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330 task->set_is_free(true); |
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331 task->set_next(_task_free_list); |
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332 _task_free_list = task; |
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333 } |
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334 } |
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335 |
| 0 | 336 void CompileTask::initialize(int compile_id, |
| 337 methodHandle method, | |
| 338 int osr_bci, | |
| 339 int comp_level, | |
| 340 methodHandle hot_method, | |
| 341 int hot_count, | |
| 342 const char* comment, | |
| 343 bool is_blocking) { | |
| 344 assert(!_lock->is_locked(), "bad locking"); | |
| 345 | |
| 346 _compile_id = compile_id; | |
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347 _method = method(); |
| 7409 | 348 _method_holder = JNIHandles::make_global(method->method_holder()->klass_holder()); |
| 0 | 349 _osr_bci = osr_bci; |
| 350 _is_blocking = is_blocking; | |
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351 COMPILERJVMCI_PRESENT(_has_waiter = CompileBroker::compiler(comp_level)->is_jvmci();) |
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352 COMPILERJVMCI_PRESENT(_jvmci_compiler_thread = NULL;) |
| 0 | 353 _comp_level = comp_level; |
| 354 _num_inlined_bytecodes = 0; | |
| 355 | |
| 356 _is_complete = false; | |
| 357 _is_success = false; | |
| 358 _code_handle = NULL; | |
| 359 | |
| 360 _hot_method = NULL; | |
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361 _hot_method_holder = NULL; |
| 0 | 362 _hot_count = hot_count; |
| 363 _time_queued = 0; // tidy | |
| 364 _comment = comment; | |
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365 _failure_reason = NULL; |
| 0 | 366 |
| 367 if (LogCompilation) { | |
| 368 _time_queued = os::elapsed_counter(); | |
| 369 if (hot_method.not_null()) { | |
| 370 if (hot_method == method) { | |
| 371 _hot_method = _method; | |
| 372 } else { | |
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373 _hot_method = hot_method(); |
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374 // only add loader or mirror if different from _method_holder |
| 7409 | 375 _hot_method_holder = JNIHandles::make_global(hot_method->method_holder()->klass_holder()); |
| 0 | 376 } |
| 377 } | |
| 378 } | |
| 379 | |
| 380 _next = NULL; | |
| 381 } | |
| 382 | |
| 383 // ------------------------------------------------------------------ | |
| 384 // CompileTask::code/set_code | |
| 385 nmethod* CompileTask::code() const { | |
| 386 if (_code_handle == NULL) return NULL; | |
| 387 return _code_handle->code(); | |
| 388 } | |
| 389 void CompileTask::set_code(nmethod* nm) { | |
| 390 if (_code_handle == NULL && nm == NULL) return; | |
| 391 guarantee(_code_handle != NULL, ""); | |
| 392 _code_handle->set_code(nm); | |
| 393 if (nm == NULL) _code_handle = NULL; // drop the handle also | |
| 394 } | |
| 395 | |
| 396 | |
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397 void CompileTask::mark_on_stack() { |
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398 // Mark these methods as something redefine classes cannot remove. |
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399 _method->set_on_stack(true); |
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400 if (_hot_method != NULL) { |
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401 _hot_method->set_on_stack(true); |
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402 } |
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403 } |
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404 |
| 0 | 405 // ------------------------------------------------------------------ |
| 406 // CompileTask::print | |
| 407 void CompileTask::print() { | |
| 408 tty->print("<CompileTask compile_id=%d ", _compile_id); | |
| 409 tty->print("method="); | |
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410 _method->print_name(tty); |
| 0 | 411 tty->print_cr(" osr_bci=%d is_blocking=%s is_complete=%s is_success=%s>", |
| 412 _osr_bci, bool_to_str(_is_blocking), | |
| 413 bool_to_str(_is_complete), bool_to_str(_is_success)); | |
| 414 } | |
| 415 | |
| 1783 | 416 |
| 0 | 417 // ------------------------------------------------------------------ |
| 418 // CompileTask::print_line_on_error | |
| 419 // | |
| 420 // This function is called by fatal error handler when the thread | |
| 421 // causing troubles is a compiler thread. | |
| 422 // | |
| 423 // Do not grab any lock, do not allocate memory. | |
| 424 // | |
| 425 // Otherwise it's the same as CompileTask::print_line() | |
| 426 // | |
| 427 void CompileTask::print_line_on_error(outputStream* st, char* buf, int buflen) { | |
| 428 // print compiler name | |
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429 st->print("%s:", CompileBroker::compiler_name(comp_level())); |
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430 print_compilation(st); |
| 0 | 431 } |
| 432 | |
| 433 // ------------------------------------------------------------------ | |
| 434 // CompileTask::print_line | |
| 435 void CompileTask::print_line() { | |
| 436 ttyLocker ttyl; // keep the following output all in one block | |
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437 print_compilation(); |
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438 } |
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439 |
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440 |
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441 // ------------------------------------------------------------------ |
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442 // CompileTask::print_compilation_impl |
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443 void CompileTask::print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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444 bool is_osr_method, int osr_bci, bool is_blocking, |
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445 const char* msg, bool short_form) { |
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446 if (!short_form) { |
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447 st->print("%7d ", (int) st->time_stamp().milliseconds()); // print timestamp |
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448 } |
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449 // print compiler name if requested |
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450 if (CIPrintCompilerName) st->print("%s:", CompileBroker::compiler_name(comp_level)); |
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451 st->print("%4d ", compile_id); // print compilation number |
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452 |
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453 // For unloaded methods the transition to zombie occurs after the |
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454 // method is cleared so it's impossible to report accurate |
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455 // information for that case. |
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456 bool is_synchronized = false; |
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457 bool has_exception_handler = false; |
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458 bool is_native = false; |
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459 if (method != NULL) { |
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460 is_synchronized = method->is_synchronized(); |
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461 has_exception_handler = method->has_exception_handler(); |
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462 is_native = method->is_native(); |
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463 } |
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464 // method attributes |
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465 const char compile_type = is_osr_method ? '%' : ' '; |
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466 const char sync_char = is_synchronized ? 's' : ' '; |
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467 const char exception_char = has_exception_handler ? '!' : ' '; |
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468 const char blocking_char = is_blocking ? 'b' : ' '; |
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469 const char native_char = is_native ? 'n' : ' '; |
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470 |
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471 // print method attributes |
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472 st->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, native_char); |
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473 |
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474 if (TieredCompilation) { |
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475 if (comp_level != -1) st->print("%d ", comp_level); |
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476 else st->print("- "); |
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477 } |
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478 st->print(" "); // more indent |
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479 |
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480 if (method == NULL) { |
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481 st->print("(method)"); |
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482 } else { |
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483 method->print_short_name(st); |
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484 if (is_osr_method) { |
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485 st->print(" @ %d", osr_bci); |
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486 } |
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487 if (method->is_native()) |
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488 st->print(" (native)"); |
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489 else |
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490 st->print(" (%d bytes)", method->code_size()); |
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491 } |
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492 |
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493 if (msg != NULL) { |
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494 st->print(" %s", msg); |
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495 } |
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496 if (!short_form) { |
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497 st->cr(); |
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498 } |
| 0 | 499 } |
| 500 | |
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501 // ------------------------------------------------------------------ |
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502 // CompileTask::print_inlining |
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503 void CompileTask::print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg) { |
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504 // 1234567 |
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505 st->print(" "); // print timestamp |
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506 // 1234 |
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507 st->print(" "); // print compilation number |
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508 |
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509 // method attributes |
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510 if (method->is_loaded()) { |
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511 const char sync_char = method->is_synchronized() ? 's' : ' '; |
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512 const char exception_char = method->has_exception_handlers() ? '!' : ' '; |
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513 const char monitors_char = method->has_monitor_bytecodes() ? 'm' : ' '; |
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514 |
|
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515 // print method attributes |
|
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516 st->print(" %c%c%c ", sync_char, exception_char, monitors_char); |
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517 } else { |
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518 // %s!bn |
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519 st->print(" "); // print method attributes |
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520 } |
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521 |
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522 if (TieredCompilation) { |
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523 st->print(" "); |
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524 } |
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525 st->print(" "); // more indent |
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526 st->print(" "); // initial inlining indent |
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527 |
|
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528 for (int i = 0; i < inline_level; i++) st->print(" "); |
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529 |
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530 st->print("@ %d ", bci); // print bci |
|
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531 method->print_short_name(st); |
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532 if (method->is_loaded()) |
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533 st->print(" (%d bytes)", method->code_size()); |
|
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534 else |
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535 st->print(" (not loaded)"); |
|
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536 |
|
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537 if (msg != NULL) { |
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538 st->print(" %s", msg); |
|
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539 } |
|
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540 st->cr(); |
|
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541 } |
|
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542 |
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543 // ------------------------------------------------------------------ |
|
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544 // CompileTask::print_inline_indent |
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545 void CompileTask::print_inline_indent(int inline_level, outputStream* st) { |
|
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546 // 1234567 |
|
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547 st->print(" "); // print timestamp |
|
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|
548 // 1234 |
|
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549 st->print(" "); // print compilation number |
|
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550 // %s!bn |
|
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551 st->print(" "); // print method attributes |
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552 if (TieredCompilation) { |
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553 st->print(" "); |
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|
554 } |
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555 st->print(" "); // more indent |
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556 st->print(" "); // initial inlining indent |
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557 for (int i = 0; i < inline_level; i++) st->print(" "); |
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558 } |
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559 |
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560 // ------------------------------------------------------------------ |
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561 // CompileTask::print_compilation |
|
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562 void CompileTask::print_compilation(outputStream* st, const char* msg, bool short_form) { |
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563 bool is_osr_method = osr_bci() != InvocationEntryBci; |
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564 print_compilation_impl(st, method(), compile_id(), comp_level(), is_osr_method, osr_bci(), is_blocking(), msg, short_form); |
|
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565 } |
| 0 | 566 |
| 567 // ------------------------------------------------------------------ | |
| 568 // CompileTask::log_task | |
| 569 void CompileTask::log_task(xmlStream* log) { | |
| 570 Thread* thread = Thread::current(); | |
|
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571 methodHandle method(thread, this->method()); |
| 0 | 572 ResourceMark rm(thread); |
| 573 | |
| 574 // <task id='9' method='M' osr_bci='X' level='1' blocking='1' stamp='1.234'> | |
|
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575 log->print(" compile_id='%d'", _compile_id); |
| 0 | 576 if (_osr_bci != CompileBroker::standard_entry_bci) { |
| 577 log->print(" compile_kind='osr'"); // same as nmethod::compile_kind | |
| 578 } // else compile_kind='c2c' | |
| 579 if (!method.is_null()) log->method(method); | |
| 580 if (_osr_bci != CompileBroker::standard_entry_bci) { | |
| 581 log->print(" osr_bci='%d'", _osr_bci); | |
| 582 } | |
|
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583 // Always print the level in tiered. |
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584 if (_comp_level != CompLevel_highest_tier || TieredCompilation) { |
| 0 | 585 log->print(" level='%d'", _comp_level); |
| 586 } | |
| 587 if (_is_blocking) { | |
| 588 log->print(" blocking='1'"); | |
| 589 } | |
| 590 log->stamp(); | |
| 591 } | |
| 592 | |
| 593 | |
| 594 // ------------------------------------------------------------------ | |
| 595 // CompileTask::log_task_queued | |
| 596 void CompileTask::log_task_queued() { | |
| 597 Thread* thread = Thread::current(); | |
| 598 ttyLocker ttyl; | |
| 599 ResourceMark rm(thread); | |
| 600 | |
| 601 xtty->begin_elem("task_queued"); | |
| 602 log_task(xtty); | |
| 603 if (_comment != NULL) { | |
| 604 xtty->print(" comment='%s'", _comment); | |
| 605 } | |
| 606 if (_hot_method != NULL) { | |
|
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607 methodHandle hot(thread, _hot_method); |
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608 methodHandle method(thread, _method); |
| 0 | 609 if (hot() != method()) { |
| 610 xtty->method(hot); | |
| 611 } | |
| 612 } | |
| 613 if (_hot_count != 0) { | |
| 614 xtty->print(" hot_count='%d'", _hot_count); | |
| 615 } | |
| 616 xtty->end_elem(); | |
| 617 } | |
| 618 | |
| 619 | |
| 620 // ------------------------------------------------------------------ | |
|
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621 // CompileTask::log_task_dequeued |
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622 void CompileTask::log_task_dequeued(const char* comment) { |
|
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623 if (LogCompilation && xtty != NULL) { |
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624 Thread* thread = Thread::current(); |
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625 ttyLocker ttyl; |
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626 ResourceMark rm(thread); |
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627 |
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628 xtty->begin_elem("task_dequeued"); |
|
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629 log_task(xtty); |
|
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630 if (comment != NULL) { |
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631 xtty->print(" comment='%s'", comment); |
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632 } |
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633 xtty->end_elem(); |
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634 } |
|
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635 } |
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636 |
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637 |
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|
638 // ------------------------------------------------------------------ |
| 0 | 639 // CompileTask::log_task_start |
| 640 void CompileTask::log_task_start(CompileLog* log) { | |
| 641 log->begin_head("task"); | |
| 642 log_task(log); | |
| 643 log->end_head(); | |
| 644 } | |
| 645 | |
| 646 | |
| 647 // ------------------------------------------------------------------ | |
| 648 // CompileTask::log_task_done | |
| 649 void CompileTask::log_task_done(CompileLog* log) { | |
| 650 Thread* thread = Thread::current(); | |
|
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651 methodHandle method(thread, this->method()); |
| 0 | 652 ResourceMark rm(thread); |
| 653 | |
|
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654 if (!_is_success) { |
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655 const char* reason = _failure_reason != NULL ? _failure_reason : "unknown"; |
|
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656 log->elem("failure reason='%s'", reason); |
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657 } |
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|
658 |
| 0 | 659 // <task_done ... stamp='1.234'> </task> |
| 660 nmethod* nm = code(); | |
| 661 log->begin_elem("task_done success='%d' nmsize='%d' count='%d'", | |
| 1748 | 662 _is_success, nm == NULL ? 0 : nm->content_size(), |
| 0 | 663 method->invocation_count()); |
| 664 int bec = method->backedge_count(); | |
| 665 if (bec != 0) log->print(" backedge_count='%d'", bec); | |
| 666 // Note: "_is_complete" is about to be set, but is not. | |
| 667 if (_num_inlined_bytecodes != 0) { | |
| 668 log->print(" inlined_bytes='%d'", _num_inlined_bytecodes); | |
| 669 } | |
| 670 log->stamp(); | |
| 671 log->end_elem(); | |
| 672 log->tail("task"); | |
| 673 log->clear_identities(); // next task will have different CI | |
| 674 if (log->unflushed_count() > 2000) { | |
| 675 log->flush(); | |
| 676 } | |
| 677 log->mark_file_end(); | |
| 678 } | |
| 679 | |
| 680 | |
| 681 | |
|
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|
682 /** |
|
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|
683 * Add a CompileTask to a CompileQueue |
|
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|
684 */ |
| 0 | 685 void CompileQueue::add(CompileTask* task) { |
| 686 assert(lock()->owned_by_self(), "must own lock"); | |
|
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|
687 assert(!CompileBroker::is_compilation_disabled_forever(), "Do not add task if compilation is turned off forever"); |
| 0 | 688 |
| 689 task->set_next(NULL); | |
| 1783 | 690 task->set_prev(NULL); |
| 0 | 691 |
| 692 if (_last == NULL) { | |
| 693 // The compile queue is empty. | |
| 694 assert(_first == NULL, "queue is empty"); | |
| 695 _first = task; | |
| 696 _last = task; | |
| 697 } else { | |
| 698 // Append the task to the queue. | |
| 699 assert(_last->next() == NULL, "not last"); | |
| 700 _last->set_next(task); | |
| 1783 | 701 task->set_prev(_last); |
| 0 | 702 _last = task; |
| 703 } | |
| 1783 | 704 ++_size; |
| 0 | 705 |
| 706 // Mark the method as being in the compile queue. | |
|
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707 task->method()->set_queued_for_compilation(); |
| 0 | 708 |
|
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|
709 NOT_PRODUCT(print();) |
| 0 | 710 |
| 711 if (LogCompilation && xtty != NULL) { | |
| 712 task->log_task_queued(); | |
| 713 } | |
| 714 | |
| 715 // Notify CompilerThreads that a task is available. | |
| 1783 | 716 lock()->notify_all(); |
| 0 | 717 } |
| 718 | |
|
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|
719 /** |
|
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|
720 * Empties compilation queue by putting all compilation tasks onto |
|
c47fcf523fff
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|
721 * a freelist. Furthermore, the method wakes up all threads that are |
|
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|
722 * waiting on a compilation task to finish. This can happen if background |
|
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723 * compilation is disabled. |
|
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|
724 */ |
|
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|
725 void CompileQueue::free_all() { |
|
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|
726 MutexLocker mu(lock()); |
|
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|
727 CompileTask* next = _first; |
|
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|
728 |
|
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|
729 // Iterate over all tasks in the compile queue |
|
c47fcf523fff
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|
730 while (next != NULL) { |
|
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changeset
|
731 CompileTask* current = next; |
|
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changeset
|
732 next = current->next(); |
|
20591
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diff
changeset
|
733 { |
|
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diff
changeset
|
734 // Wake up thread that blocks on the compile task. |
|
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8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
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|
735 MutexLocker ct_lock(current->lock()); |
|
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8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
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|
736 current->lock()->notify(); |
|
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diff
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|
737 } |
|
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diff
changeset
|
738 // Put the task back on the freelist. |
|
c47fcf523fff
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|
739 CompileTask::free(current); |
|
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|
740 } |
|
20590
c47fcf523fff
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|
741 _first = NULL; |
|
c47fcf523fff
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|
742 |
|
20588
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|
743 // Wake up all threads that block on the queue. |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
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changeset
|
744 lock()->notify_all(); |
|
12880
469216acdb28
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|
745 } |
|
469216acdb28
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changeset
|
746 |
| 0 | 747 // ------------------------------------------------------------------ |
| 748 // CompileQueue::get | |
| 749 // | |
| 750 // Get the next CompileTask from a CompileQueue | |
| 751 CompileTask* CompileQueue::get() { | |
|
1538
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|
752 NMethodSweeper::possibly_sweep(); |
|
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|
753 |
| 0 | 754 MutexLocker locker(lock()); |
|
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|
755 // If _first is NULL we have no more compile jobs. There are two reasons for |
|
510fbd28919c
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|
756 // having no compile jobs: First, we compiled everything we wanted. Second, |
|
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|
757 // we ran out of code cache so compilation has been disabled. In the latter |
|
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|
758 // case we perform code cache sweeps to free memory such that we can re-enable |
|
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|
759 // compilation. |
| 0 | 760 while (_first == NULL) { |
|
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|
761 // Exit loop if compilation is disabled forever |
|
469216acdb28
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|
762 if (CompileBroker::is_compilation_disabled_forever()) { |
|
469216acdb28
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|
763 return NULL; |
|
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|
764 } |
|
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|
765 |
|
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|
766 if (UseCodeCacheFlushing && !CompileBroker::should_compile_new_jobs()) { |
|
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|
767 // Wait a certain amount of time to possibly do another sweep. |
|
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|
768 // We must wait until stack scanning has happened so that we can |
|
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8020151: PSR:PERF Large performance regressions when code cache is filled
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|
769 // transition a method's state from 'not_entrant' to 'zombie'. |
|
510fbd28919c
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|
770 long wait_time = NmethodSweepCheckInterval * 1000; |
|
510fbd28919c
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|
771 if (FLAG_IS_DEFAULT(NmethodSweepCheckInterval)) { |
|
510fbd28919c
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|
772 // Only one thread at a time can do sweeping. Scale the |
|
510fbd28919c
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|
773 // wait time according to the number of compiler threads. |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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|
774 // As a result, the next sweep is likely to happen every 100ms |
|
510fbd28919c
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|
775 // with an arbitrary number of threads that do sweeping. |
|
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|
776 wait_time = 100 * CICompilerCount; |
|
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|
777 } |
|
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|
778 bool timeout = lock()->wait(!Mutex::_no_safepoint_check_flag, wait_time); |
|
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changeset
|
779 if (timeout) { |
|
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diff
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|
780 MutexUnlocker ul(lock()); |
|
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diff
changeset
|
781 NMethodSweeper::possibly_sweep(); |
|
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diff
changeset
|
782 } |
|
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diff
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|
783 } else { |
|
12324
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diff
changeset
|
784 // If there are no compilation tasks and we can compile new jobs |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
785 // (i.e., there is enough free space in the code cache) there is |
|
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diff
changeset
|
786 // no need to invoke the sweeper. As a result, the hotness of methods |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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|
787 // remains unchanged. This behavior is desired, since we want to keep |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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changeset
|
788 // the stable state, i.e., we do not want to evict methods from the |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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12158
diff
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|
789 // code cache if it is unnecessary. |
|
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
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diff
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|
790 // We need a timed wait here, since compiler threads can exit if compilation |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
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|
791 // is disabled forever. We use 5 seconds wait time; the exiting of compiler threads |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
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|
792 // is not critical and we do not want idle compiler threads to wake up too often. |
|
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parents:
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changeset
|
793 lock()->wait(!Mutex::_no_safepoint_check_flag, 5*1000); |
|
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1353
diff
changeset
|
794 } |
| 0 | 795 } |
|
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
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12861
diff
changeset
|
796 |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
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diff
changeset
|
797 if (CompileBroker::is_compilation_disabled_forever()) { |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
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diff
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|
798 return NULL; |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
799 } |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
800 |
|
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
801 CompileTask* task; |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
802 { |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
803 No_Safepoint_Verifier nsv; |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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changeset
|
804 task = CompilationPolicy::policy()->select_task(this); |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
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|
805 } |
| 1783 | 806 remove(task); |
|
20465
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vlivanov
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changeset
|
807 purge_stale_tasks(); // may temporarily release MCQ lock |
| 1783 | 808 return task; |
| 809 } | |
| 0 | 810 |
|
20465
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changeset
|
811 // Clean & deallocate stale compile tasks. |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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diff
changeset
|
812 // Temporarily releases MethodCompileQueue lock. |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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changeset
|
813 void CompileQueue::purge_stale_tasks() { |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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changeset
|
814 assert(lock()->owned_by_self(), "must own lock"); |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
815 if (_first_stale != NULL) { |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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diff
changeset
|
816 // Stale tasks are purged when MCQ lock is released, |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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diff
changeset
|
817 // but _first_stale updates are protected by MCQ lock. |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
818 // Once task processing starts and MCQ lock is released, |
|
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vlivanov
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|
819 // other compiler threads can reuse _first_stale. |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
820 CompileTask* head = _first_stale; |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
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changeset
|
821 _first_stale = NULL; |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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|
822 { |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
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changeset
|
823 MutexUnlocker ul(lock()); |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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diff
changeset
|
824 for (CompileTask* task = head; task != NULL; ) { |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
825 CompileTask* next_task = task->next(); |
|
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vlivanov
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changeset
|
826 CompileTaskWrapper ctw(task); // Frees the task |
|
20469
dd89808e49ba
8049530: Provide descriptive failure reason for compilation tasks removed for the queue
vlivanov
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20465
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changeset
|
827 task->set_failure_reason("stale task"); |
|
20465
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vlivanov
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|
828 task = next_task; |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
829 } |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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diff
changeset
|
830 } |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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diff
changeset
|
831 } |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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18009
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changeset
|
832 } |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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changeset
|
833 |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
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changeset
|
834 void CompileQueue::remove(CompileTask* task) { |
| 1783 | 835 assert(lock()->owned_by_self(), "must own lock"); |
| 836 if (task->prev() != NULL) { | |
| 837 task->prev()->set_next(task->next()); | |
| 838 } else { | |
| 839 // max is the first element | |
| 840 assert(task == _first, "Sanity"); | |
| 841 _first = task->next(); | |
| 0 | 842 } |
| 843 | |
| 1783 | 844 if (task->next() != NULL) { |
| 845 task->next()->set_prev(task->prev()); | |
| 846 } else { | |
| 847 // max is the last element | |
| 848 assert(task == _last, "Sanity"); | |
| 849 _last = task->prev(); | |
| 850 } | |
| 851 --_size; | |
| 0 | 852 } |
| 853 | |
|
20465
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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18009
diff
changeset
|
854 void CompileQueue::remove_and_mark_stale(CompileTask* task) { |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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diff
changeset
|
855 assert(lock()->owned_by_self(), "must own lock"); |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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diff
changeset
|
856 remove(task); |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
857 |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
858 // Enqueue the task for reclamation (should be done outside MCQ lock) |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
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diff
changeset
|
859 task->set_next(_first_stale); |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
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diff
changeset
|
860 task->set_prev(NULL); |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
861 _first_stale = task; |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
862 } |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
863 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
864 // methods in the compile queue need to be marked as used on the stack |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
865 // so that they don't get reclaimed by Redefine Classes |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
866 void CompileQueue::mark_on_stack() { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6266
diff
changeset
|
867 CompileTask* task = _first; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
868 while (task != NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
869 task->mark_on_stack(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
870 task = task->next(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
871 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
872 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
873 |
|
20588
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
874 #ifndef PRODUCT |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
875 /** |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
876 * Print entire compilation queue. |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
877 */ |
| 0 | 878 void CompileQueue::print() { |
|
20588
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
879 if (CIPrintCompileQueue) { |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
880 ttyLocker ttyl; |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
881 tty->print_cr("Contents of %s", name()); |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
882 tty->print_cr("----------------------"); |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
883 CompileTask* task = _first; |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
884 while (task != NULL) { |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
885 task->print_line(); |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
886 task = task->next(); |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
887 } |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
888 tty->print_cr("----------------------"); |
| 0 | 889 } |
| 890 } | |
|
20588
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
891 #endif // PRODUCT |
| 0 | 892 |
| 893 CompilerCounters::CompilerCounters(const char* thread_name, int instance, TRAPS) { | |
| 894 | |
| 895 _current_method[0] = '\0'; | |
| 896 _compile_type = CompileBroker::no_compile; | |
| 897 | |
| 898 if (UsePerfData) { | |
| 899 ResourceMark rm; | |
| 900 | |
| 901 // create the thread instance name space string - don't create an | |
| 902 // instance subspace if instance is -1 - keeps the adapterThread | |
| 903 // counters from having a ".0" namespace. | |
| 904 const char* thread_i = (instance == -1) ? thread_name : | |
| 905 PerfDataManager::name_space(thread_name, instance); | |
| 906 | |
| 907 | |
| 908 char* name = PerfDataManager::counter_name(thread_i, "method"); | |
| 909 _perf_current_method = | |
| 910 PerfDataManager::create_string_variable(SUN_CI, name, | |
| 911 cmname_buffer_length, | |
| 912 _current_method, CHECK); | |
| 913 | |
| 914 name = PerfDataManager::counter_name(thread_i, "type"); | |
| 915 _perf_compile_type = PerfDataManager::create_variable(SUN_CI, name, | |
| 916 PerfData::U_None, | |
| 917 (jlong)_compile_type, | |
| 918 CHECK); | |
| 919 | |
| 920 name = PerfDataManager::counter_name(thread_i, "time"); | |
| 921 _perf_time = PerfDataManager::create_counter(SUN_CI, name, | |
| 922 PerfData::U_Ticks, CHECK); | |
| 923 | |
| 924 name = PerfDataManager::counter_name(thread_i, "compiles"); | |
| 925 _perf_compiles = PerfDataManager::create_counter(SUN_CI, name, | |
| 926 PerfData::U_Events, CHECK); | |
| 927 } | |
| 928 } | |
| 929 | |
| 930 // ------------------------------------------------------------------ | |
| 931 // CompileBroker::compilation_init | |
| 932 // | |
| 933 // Initialize the Compilation object | |
|
23294
5d04cfbd1945
reduced delta against jvmci-9
Doug Simon <doug.simon@oracle.com>
parents:
23288
diff
changeset
|
934 void CompileBroker::compilation_init(TRAPS) { |
| 0 | 935 _last_method_compiled[0] = '\0'; |
| 936 | |
|
13016
a196f1aaec86
8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
anoll
parents:
12965
diff
changeset
|
937 // No need to initialize compilation system if we do not use it. |
|
a196f1aaec86
8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
anoll
parents:
12965
diff
changeset
|
938 if (!UseCompiler) { |
|
a196f1aaec86
8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
anoll
parents:
12965
diff
changeset
|
939 return; |
|
a196f1aaec86
8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
anoll
parents:
12965
diff
changeset
|
940 } |
| 1970 | 941 #ifndef SHARK |
| 0 | 942 // Set the interface to the current compiler(s). |
| 1783 | 943 int c1_count = CompilationPolicy::policy()->compiler_count(CompLevel_simple); |
| 944 int c2_count = CompilationPolicy::policy()->compiler_count(CompLevel_full_optimization); | |
| 22298 | 945 #if INCLUDE_JVMCI |
|
21559
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recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
946 JVMCICompiler* jvmci = new JVMCICompiler(); |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
947 #endif |
|
14107
800057208a2c
enable C1 + Graal tiered
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13969
diff
changeset
|
948 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
949 #if defined(COMPILERJVMCI) |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
950 _compilers[1] = jvmci; |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
951 if (FLAG_IS_DEFAULT(JVMCIThreads)) { |
|
22449
cfd7ebda543b
run JVMCI bootstrap iff BootstrapJVMCI is true
Doug Simon <doug.simon@oracle.com>
parents:
22298
diff
changeset
|
952 if (BootstrapJVMCI) { |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
953 // JVMCI will bootstrap so give it more threads |
|
17166
9df38e5fbed6
Limit the maximum Graal thread amount to 32 if nothing else is specified (On SPARC with 256 threads we exceed code cache size)
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16625
diff
changeset
|
954 c2_count = MIN2(32, os::active_processor_count()); |
|
16399
4481cf549cfc
removed (Java based) CompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16185
diff
changeset
|
955 } |
|
16145
237508bd73b9
when Graal bootstrap is enabled (explicitly or implicitly), allocate same number of Graal compiler threads in -UseGraalCompilationQueue as in +UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16142
diff
changeset
|
956 } else { |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
957 c2_count = JVMCIThreads; |
|
16145
237508bd73b9
when Graal bootstrap is enabled (explicitly or implicitly), allocate same number of Graal compiler threads in -UseGraalCompilationQueue as in +UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16142
diff
changeset
|
958 } |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
959 if (FLAG_IS_DEFAULT(JVMCIHostThreads)) { |
|
19895
c3d9637c98ed
Add GraalHostThreads flag to overwrite the number of threads spawned for the baseline compiler.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19321
diff
changeset
|
960 } else { |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
961 c1_count = JVMCIHostThreads; |
|
19895
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962 } |
|
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963 if (!UseInterpreter || !BackgroundCompilation) { |
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964 // Force initialization of JVMCI compiler otherwise JVMCI |
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965 // compilations will not block until JVMCI is initialized |
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966 ResourceMark rm; |
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967 TempNewSymbol getCompiler = SymbolTable::new_symbol("getCompiler", CHECK); |
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968 TempNewSymbol sig = SymbolTable::new_symbol("()Ljdk/vm/ci/runtime/JVMCICompiler;", CHECK); |
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969 Handle jvmciRuntime = JVMCIRuntime::get_HotSpotJVMCIRuntime(CHECK); |
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970 JavaValue result(T_OBJECT); |
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971 JavaCalls::call_virtual(&result, jvmciRuntime, HotSpotJVMCIRuntime::klass(), getCompiler, sig, CHECK); |
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972 } |
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973 #endif // COMPILERJVMCI |
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974 |
| 0 | 975 #ifdef COMPILER1 |
| 1783 | 976 if (c1_count > 0) { |
| 977 _compilers[0] = new Compiler(); | |
| 978 } | |
| 0 | 979 #endif // COMPILER1 |
| 980 | |
| 981 #ifdef COMPILER2 | |
| 1783 | 982 if (c2_count > 0) { |
| 983 _compilers[1] = new C2Compiler(); | |
| 984 } | |
| 0 | 985 #endif // COMPILER2 |
| 986 | |
| 1970 | 987 #else // SHARK |
| 988 int c1_count = 0; | |
| 989 int c2_count = 1; | |
| 990 | |
| 991 _compilers[1] = new SharkCompiler(); | |
| 992 #endif // SHARK | |
| 1692 | 993 |
| 0 | 994 // Start the CompilerThreads |
| 1783 | 995 init_compiler_threads(c1_count, c2_count); |
| 0 | 996 // totalTime performance counter is always created as it is required |
| 997 // by the implementation of java.lang.management.CompilationMBean. | |
| 998 { | |
| 999 EXCEPTION_MARK; | |
| 1000 _perf_total_compilation = | |
| 1001 PerfDataManager::create_counter(JAVA_CI, "totalTime", | |
| 1002 PerfData::U_Ticks, CHECK); | |
| 1003 } | |
| 1004 | |
| 1005 | |
| 1006 if (UsePerfData) { | |
| 1007 | |
| 1008 EXCEPTION_MARK; | |
| 1009 | |
| 1010 // create the jvmstat performance counters | |
| 1011 _perf_osr_compilation = | |
| 1012 PerfDataManager::create_counter(SUN_CI, "osrTime", | |
| 1013 PerfData::U_Ticks, CHECK); | |
| 1014 | |
| 1015 _perf_standard_compilation = | |
| 1016 PerfDataManager::create_counter(SUN_CI, "standardTime", | |
| 1017 PerfData::U_Ticks, CHECK); | |
| 1018 | |
| 1019 _perf_total_bailout_count = | |
| 1020 PerfDataManager::create_counter(SUN_CI, "totalBailouts", | |
| 1021 PerfData::U_Events, CHECK); | |
| 1022 | |
| 1023 _perf_total_invalidated_count = | |
| 1024 PerfDataManager::create_counter(SUN_CI, "totalInvalidates", | |
| 1025 PerfData::U_Events, CHECK); | |
| 1026 | |
| 1027 _perf_total_compile_count = | |
| 1028 PerfDataManager::create_counter(SUN_CI, "totalCompiles", | |
| 1029 PerfData::U_Events, CHECK); | |
| 1030 _perf_total_osr_compile_count = | |
| 1031 PerfDataManager::create_counter(SUN_CI, "osrCompiles", | |
| 1032 PerfData::U_Events, CHECK); | |
| 1033 | |
| 1034 _perf_total_standard_compile_count = | |
| 1035 PerfDataManager::create_counter(SUN_CI, "standardCompiles", | |
| 1036 PerfData::U_Events, CHECK); | |
| 1037 | |
| 1038 _perf_sum_osr_bytes_compiled = | |
| 1039 PerfDataManager::create_counter(SUN_CI, "osrBytes", | |
| 1040 PerfData::U_Bytes, CHECK); | |
| 1041 | |
| 1042 _perf_sum_standard_bytes_compiled = | |
| 1043 PerfDataManager::create_counter(SUN_CI, "standardBytes", | |
| 1044 PerfData::U_Bytes, CHECK); | |
| 1045 | |
| 1046 _perf_sum_nmethod_size = | |
| 1047 PerfDataManager::create_counter(SUN_CI, "nmethodSize", | |
| 1048 PerfData::U_Bytes, CHECK); | |
| 1049 | |
| 1050 _perf_sum_nmethod_code_size = | |
| 1051 PerfDataManager::create_counter(SUN_CI, "nmethodCodeSize", | |
| 1052 PerfData::U_Bytes, CHECK); | |
| 1053 | |
| 1054 _perf_last_method = | |
| 1055 PerfDataManager::create_string_variable(SUN_CI, "lastMethod", | |
| 1056 CompilerCounters::cmname_buffer_length, | |
| 1057 "", CHECK); | |
| 1058 | |
| 1059 _perf_last_failed_method = | |
| 1060 PerfDataManager::create_string_variable(SUN_CI, "lastFailedMethod", | |
| 1061 CompilerCounters::cmname_buffer_length, | |
| 1062 "", CHECK); | |
| 1063 | |
| 1064 _perf_last_invalidated_method = | |
| 1065 PerfDataManager::create_string_variable(SUN_CI, "lastInvalidatedMethod", | |
| 1066 CompilerCounters::cmname_buffer_length, | |
| 1067 "", CHECK); | |
| 1068 | |
| 1069 _perf_last_compile_type = | |
| 1070 PerfDataManager::create_variable(SUN_CI, "lastType", | |
| 1071 PerfData::U_None, | |
| 1072 (jlong)CompileBroker::no_compile, | |
| 1073 CHECK); | |
| 1074 | |
| 1075 _perf_last_compile_size = | |
| 1076 PerfDataManager::create_variable(SUN_CI, "lastSize", | |
| 1077 PerfData::U_Bytes, | |
| 1078 (jlong)CompileBroker::no_compile, | |
| 1079 CHECK); | |
| 1080 | |
| 1081 | |
| 1082 _perf_last_failed_type = | |
| 1083 PerfDataManager::create_variable(SUN_CI, "lastFailedType", | |
| 1084 PerfData::U_None, | |
| 1085 (jlong)CompileBroker::no_compile, | |
| 1086 CHECK); | |
| 1087 | |
| 1088 _perf_last_invalidated_type = | |
| 1089 PerfDataManager::create_variable(SUN_CI, "lastInvalidatedType", | |
| 1090 PerfData::U_None, | |
| 1091 (jlong)CompileBroker::no_compile, | |
| 1092 CHECK); | |
| 1093 } | |
| 1094 | |
| 1095 _initialized = true; | |
| 1096 } | |
| 1097 | |
| 1098 | |
|
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1099 CompilerThread* CompileBroker::make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, |
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1100 AbstractCompiler* comp, TRAPS) { |
| 0 | 1101 CompilerThread* compiler_thread = NULL; |
| 1102 | |
|
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1103 Klass* k = |
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1104 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), |
| 0 | 1105 true, CHECK_0); |
| 1106 instanceKlassHandle klass (THREAD, k); | |
| 1107 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK_0); | |
| 1108 Handle string = java_lang_String::create_from_str(name, CHECK_0); | |
| 1109 | |
| 1110 // Initialize thread_oop to put it into the system threadGroup | |
| 1111 Handle thread_group (THREAD, Universe::system_thread_group()); | |
| 1112 JavaValue result(T_VOID); | |
| 1113 JavaCalls::call_special(&result, thread_oop, | |
| 1114 klass, | |
|
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1115 vmSymbols::object_initializer_name(), |
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1116 vmSymbols::threadgroup_string_void_signature(), |
| 0 | 1117 thread_group, |
| 1118 string, | |
| 1119 CHECK_0); | |
| 1120 | |
| 1121 { | |
| 1122 MutexLocker mu(Threads_lock, THREAD); | |
| 1123 compiler_thread = new CompilerThread(queue, counters); | |
| 1124 // At this point the new CompilerThread data-races with this startup | |
| 1125 // thread (which I believe is the primoridal thread and NOT the VM | |
| 1126 // thread). This means Java bytecodes being executed at startup can | |
| 1127 // queue compile jobs which will run at whatever default priority the | |
| 1128 // newly created CompilerThread runs at. | |
| 1129 | |
| 1130 | |
| 1131 // At this point it may be possible that no osthread was created for the | |
| 1132 // JavaThread due to lack of memory. We would have to throw an exception | |
| 1133 // in that case. However, since this must work and we do not allow | |
| 1134 // exceptions anyway, check and abort if this fails. | |
| 1135 | |
| 1136 if (compiler_thread == NULL || compiler_thread->osthread() == NULL){ | |
| 1137 vm_exit_during_initialization("java.lang.OutOfMemoryError", | |
| 1138 "unable to create new native thread"); | |
| 1139 } | |
| 1140 | |
| 1141 java_lang_Thread::set_thread(thread_oop(), compiler_thread); | |
| 1142 | |
| 1143 // Note that this only sets the JavaThread _priority field, which by | |
| 1144 // definition is limited to Java priorities and not OS priorities. | |
| 1145 // The os-priority is set in the CompilerThread startup code itself | |
|
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1146 |
| 0 | 1147 java_lang_Thread::set_priority(thread_oop(), NearMaxPriority); |
|
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1148 |
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1149 // Note that we cannot call os::set_priority because it expects Java |
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1150 // priorities and we are *explicitly* using OS priorities so that it's |
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1151 // possible to set the compiler thread priority higher than any Java |
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1152 // thread. |
| 0 | 1153 |
|
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1154 int native_prio = CompilerThreadPriority; |
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1155 if (native_prio == -1) { |
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1156 if (UseCriticalCompilerThreadPriority) { |
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1157 native_prio = os::java_to_os_priority[CriticalPriority]; |
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1158 } else { |
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1159 native_prio = os::java_to_os_priority[NearMaxPriority]; |
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1160 } |
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1161 } |
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1162 os::set_native_priority(compiler_thread, native_prio); |
| 0 | 1163 |
| 1164 java_lang_Thread::set_daemon(thread_oop()); | |
| 1165 | |
| 1166 compiler_thread->set_threadObj(thread_oop()); | |
|
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1167 compiler_thread->set_compiler(comp); |
| 0 | 1168 Threads::add(compiler_thread); |
| 1169 Thread::start(compiler_thread); | |
| 1170 } | |
|
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1171 |
| 0 | 1172 // Let go of Threads_lock before yielding |
| 1173 os::yield(); // make sure that the compiler thread is started early (especially helpful on SOLARIS) | |
| 1174 | |
| 1175 return compiler_thread; | |
| 1176 } | |
| 1177 | |
| 1178 | |
| 1783 | 1179 void CompileBroker::init_compiler_threads(int c1_compiler_count, int c2_compiler_count) { |
| 0 | 1180 EXCEPTION_MARK; |
|
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1181 #if !defined(ZERO) && !defined(SHARK) && !defined(COMPILERJVMCI) |
| 1783 | 1182 assert(c2_compiler_count > 0 || c1_compiler_count > 0, "No compilers?"); |
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1183 #endif // !ZERO && !SHARK && !COMPILERJVMCI |
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1184 // Initialize the compilation queue |
| 1783 | 1185 if (c2_compiler_count > 0) { |
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1186 _c2_compile_queue = new CompileQueue("C2 CompileQueue", MethodCompileQueue_lock); |
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1187 _compilers[1]->set_num_compiler_threads(c2_compiler_count); |
| 1783 | 1188 } |
| 1189 if (c1_compiler_count > 0) { | |
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1190 _c1_compile_queue = new CompileQueue("C1 CompileQueue", MethodCompileQueue_lock); |
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1191 _compilers[0]->set_num_compiler_threads(c1_compiler_count); |
| 1783 | 1192 } |
| 0 | 1193 |
| 1783 | 1194 int compiler_count = c1_compiler_count + c2_compiler_count; |
| 1195 | |
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1196 _compiler_threads = |
| 6197 | 1197 new (ResourceObj::C_HEAP, mtCompiler) GrowableArray<CompilerThread*>(compiler_count, true); |
| 0 | 1198 |
| 1199 char name_buffer[256]; | |
| 1783 | 1200 for (int i = 0; i < c2_compiler_count; i++) { |
| 0 | 1201 // Create a name for our thread. |
|
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1202 sprintf(name_buffer, "%s CompilerThread%d", _compilers[1]->name(), i); |
| 0 | 1203 CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); |
|
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1204 // Shark and C2 |
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1205 CompilerThread* new_thread = make_compiler_thread(name_buffer, _c2_compile_queue, counters, _compilers[1], CHECK); |
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1206 _compiler_threads->append(new_thread); |
| 0 | 1207 } |
| 1783 | 1208 |
| 1209 for (int i = c2_compiler_count; i < compiler_count; i++) { | |
| 1210 // Create a name for our thread. | |
| 1211 sprintf(name_buffer, "C1 CompilerThread%d", i); | |
| 1212 CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); | |
|
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1213 // C1 |
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1214 CompilerThread* new_thread = make_compiler_thread(name_buffer, _c1_compile_queue, counters, _compilers[0], CHECK); |
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1215 _compiler_threads->append(new_thread); |
| 1783 | 1216 } |
| 1217 | |
| 0 | 1218 if (UsePerfData) { |
|
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1219 PerfDataManager::create_constant(SUN_CI, "threads", PerfData::U_Bytes, compiler_count, CHECK); |
| 0 | 1220 } |
| 1221 } | |
| 1222 | |
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1223 |
|
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1224 /** |
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1225 * Set the methods on the stack as on_stack so that redefine classes doesn't |
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1226 * reclaim them. This method is executed at a safepoint. |
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1227 */ |
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1228 void CompileBroker::mark_on_stack() { |
|
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1229 assert(SafepointSynchronize::is_at_safepoint(), "sanity check"); |
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1230 // Since we are at a safepoint, we do not need a lock to access |
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1231 // the compile queues. |
|
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1232 if (_c2_compile_queue != NULL) { |
|
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8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
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|
1233 _c2_compile_queue->mark_on_stack(); |
|
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6964458: Reimplement class meta-data storage to use native memory
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|
1234 } |
|
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41dcdd636080
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|
1235 if (_c1_compile_queue != NULL) { |
|
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
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|
1236 _c1_compile_queue->mark_on_stack(); |
|
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|
1237 } |
|
da91efe96a93
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|
1238 } |
|
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6964458: Reimplement class meta-data storage to use native memory
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|
1239 |
| 0 | 1240 // ------------------------------------------------------------------ |
| 1241 // CompileBroker::compile_method | |
| 1242 // | |
| 1243 // Request compilation of a method. | |
| 1244 void CompileBroker::compile_method_base(methodHandle method, | |
| 1245 int osr_bci, | |
| 1246 int comp_level, | |
| 1247 methodHandle hot_method, | |
| 1248 int hot_count, | |
| 1249 const char* comment, | |
|
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iveresov
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|
1250 Thread* thread) { |
| 0 | 1251 // do nothing if compiler thread(s) is not available |
|
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|
1252 if (!_initialized) { |
| 0 | 1253 return; |
| 1254 } | |
| 1255 | |
| 1256 guarantee(!method->is_abstract(), "cannot compile abstract methods"); | |
|
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|
1257 assert(method->method_holder()->oop_is_instance(), |
| 0 | 1258 "sanity check"); |
|
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18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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|
1259 assert(!method->method_holder()->is_not_initialized(), |
| 0 | 1260 "method holder must be initialized"); |
|
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6197
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|
1261 assert(!method->is_method_handle_intrinsic(), "do not enqueue these guys"); |
| 0 | 1262 |
| 1263 if (CIPrintRequests) { | |
| 1264 tty->print("request: "); | |
| 1265 method->print_short_name(tty); | |
| 1266 if (osr_bci != InvocationEntryBci) { | |
| 1267 tty->print(" osr_bci: %d", osr_bci); | |
| 1268 } | |
|
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800057208a2c
enable C1 + Graal tiered
Tom Rodriguez <tom.rodriguez@oracle.com>
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|
1269 tty->print(" level: %d comment: %s count: %d", comp_level, comment, hot_count); |
| 0 | 1270 if (!hot_method.is_null()) { |
| 1271 tty->print(" hot: "); | |
| 1272 if (hot_method() != method()) { | |
| 1273 hot_method->print_short_name(tty); | |
| 1274 } else { | |
| 1275 tty->print("yes"); | |
| 1276 } | |
| 1277 } | |
| 1278 tty->cr(); | |
| 1279 } | |
| 1280 | |
| 1281 // A request has been made for compilation. Before we do any | |
| 1282 // real work, check to see if the method has been compiled | |
| 1283 // in the meantime with a definitive result. | |
| 1284 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1285 return; | |
| 1286 } | |
| 1287 | |
| 2403 | 1288 #ifndef PRODUCT |
| 1289 if (osr_bci != -1 && !FLAG_IS_DEFAULT(OSROnlyBCI)) { | |
| 1290 if ((OSROnlyBCI > 0) ? (OSROnlyBCI != osr_bci) : (-OSROnlyBCI == osr_bci)) { | |
| 1291 // Positive OSROnlyBCI means only compile that bci. Negative means don't compile that BCI. | |
| 1292 return; | |
| 1293 } | |
| 1294 } | |
| 1295 #endif | |
| 1783 | 1296 |
| 0 | 1297 // If this method is already in the compile queue, then |
| 1298 // we do not block the current thread. | |
|
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|
1299 if (compilation_is_in_queue(method)) { |
| 0 | 1300 // We may want to decay our counter a bit here to prevent |
| 1301 // multiple denied requests for compilation. This is an | |
| 1302 // open compilation policy issue. Note: The other possibility, | |
| 1303 // in the case that this is a blocking compile request, is to have | |
| 1304 // all subsequent blocking requesters wait for completion of | |
| 1305 // ongoing compiles. Note that in this case we'll need a protocol | |
| 1306 // for freeing the associated compile tasks. [Or we could have | |
| 1307 // a single static monitor on which all these waiters sleep.] | |
| 1308 return; | |
| 1309 } | |
| 1310 | |
|
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|
1311 // If the requesting thread is holding the pending list lock |
|
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|
1312 // then we just return. We can't risk blocking while holding |
|
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|
1313 // the pending list lock or a 3-way deadlock may occur |
|
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|
1314 // between the reference handler thread, a GC (instigated |
|
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|
1315 // by a compiler thread), and compiled method registration. |
|
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|
1316 if (InstanceRefKlass::owns_pending_list_lock(JavaThread::current())) { |
|
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|
1317 return; |
|
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|
1318 } |
|
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|
1319 |
|
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|
1320 if (TieredCompilation) { |
|
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|
1321 // Tiered policy requires MethodCounters to exist before adding a method to |
|
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|
1322 // the queue. Create if we don't have them yet. |
|
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|
1323 method->get_method_counters(thread); |
|
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|
1324 } |
|
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|
1325 |
| 0 | 1326 // Outputs from the following MutexLocker block: |
| 1327 CompileTask* task = NULL; | |
| 1328 bool blocking = false; | |
| 1783 | 1329 CompileQueue* queue = compile_queue(comp_level); |
| 0 | 1330 |
| 1331 // Acquire our lock. | |
| 1332 { | |
|
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|
1333 MutexLocker locker(queue->lock(), thread); |
| 0 | 1334 |
| 1335 // Make sure the method has not slipped into the queues since | |
| 1336 // last we checked; note that those checks were "fast bail-outs". | |
| 1337 // Here we need to be more careful, see 14012000 below. | |
|
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|
1338 if (compilation_is_in_queue(method)) { |
| 0 | 1339 return; |
| 1340 } | |
| 1341 | |
| 1342 // We need to check again to see if the compilation has | |
| 1343 // completed. A previous compilation may have registered | |
| 1344 // some result. | |
| 1345 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1346 return; | |
| 1347 } | |
| 1348 | |
| 1349 // We now know that this compilation is not pending, complete, | |
| 1350 // or prohibited. Assign a compile_id to this compilation | |
| 1351 // and check to see if it is in our [Start..Stop) range. | |
| 14236 | 1352 int compile_id = assign_compile_id(method, osr_bci); |
| 0 | 1353 if (compile_id == 0) { |
| 1354 // The compilation falls outside the allowed range. | |
| 1355 return; | |
| 1356 } | |
| 1357 | |
| 1358 // Should this thread wait for completion of the compile? | |
|
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|
1359 blocking = is_compile_blocking(); |
| 0 | 1360 |
|
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|
1361 #ifdef COMPILERJVMCI |
|
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|
1362 if (blocking) { |
|
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|
1363 // Don't allow blocking compiles for requests triggered by JVMCI. |
|
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|
1364 if (thread->is_Compiler_thread()) { |
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1365 blocking = false; |
|
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|
1366 } |
|
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|
1367 |
|
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1368 // Don't allow blocking compiles if inside a class initializer or while performing class loading |
|
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|
1369 vframeStream vfst((JavaThread*) thread); |
|
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|
1370 for (; !vfst.at_end(); vfst.next()) { |
|
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|
1371 if (vfst.method()->is_static_initializer() || |
|
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|
1372 (vfst.method()->method_holder()->is_subclass_of(SystemDictionary::ClassLoader_klass()) && |
|
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|
1373 vfst.method()->name() == vmSymbols::loadClass_name())) { |
|
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|
1374 blocking = false; |
|
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|
1375 break; |
|
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|
1376 } |
|
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|
1377 } |
|
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|
1378 |
|
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|
1379 // Don't allow blocking compilation requests to JVMCI |
|
07b088d61d5d
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|
1380 // if JVMCI itself is not yet initialized |
|
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1381 if (!JVMCIRuntime::is_HotSpotJVMCIRuntime_initialized() && compiler(comp_level)->is_jvmci()) { |
|
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|
1382 blocking = false; |
|
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|
1383 } |
|
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|
1384 |
|
21559
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|
1385 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown |
|
18303
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Doug Simon <doug.simon@oracle.com>
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|
1386 // to avoid deadlock between compiler thread(s) and threads run at shutdown |
|
ab47ef2f2207
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|
1387 // such as the DestroyJavaVM thread. |
|
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|
1388 if (JVMCIRuntime::shutdown_called()) { |
|
18303
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|
1389 blocking = false; |
|
ab47ef2f2207
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|
1390 } |
|
16185
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|
1391 } |
|
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|
1392 // Don't allow blocking compiles |
|
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|
1393 #endif |
|
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|
1394 |
| 0 | 1395 // We will enter the compilation in the queue. |
| 1396 // 14012000: Note that this sets the queued_for_compile bits in | |
| 1397 // the target method. We can now reason that a method cannot be | |
| 1398 // queued for compilation more than once, as follows: | |
| 1399 // Before a thread queues a task for compilation, it first acquires | |
| 1400 // the compile queue lock, then checks if the method's queued bits | |
| 1401 // are set or it has already been compiled. Thus there can not be two | |
| 1402 // instances of a compilation task for the same method on the | |
| 1403 // compilation queue. Consider now the case where the compilation | |
| 1404 // thread has already removed a task for that method from the queue | |
| 1405 // and is in the midst of compiling it. In this case, the | |
| 1406 // queued_for_compile bits must be set in the method (and these | |
| 1407 // will be visible to the current thread, since the bits were set | |
| 1408 // under protection of the compile queue lock, which we hold now. | |
| 1409 // When the compilation completes, the compiler thread first sets | |
| 1410 // the compilation result and then clears the queued_for_compile | |
| 1411 // bits. Neither of these actions are protected by a barrier (or done | |
| 1412 // under the protection of a lock), so the only guarantee we have | |
| 1413 // (on machines with TSO (Total Store Order)) is that these values | |
| 1414 // will update in that order. As a result, the only combinations of | |
| 1415 // these bits that the current thread will see are, in temporal order: | |
| 1416 // <RESULT, QUEUE> : | |
| 1417 // <0, 1> : in compile queue, but not yet compiled | |
| 1418 // <1, 1> : compiled but queue bit not cleared | |
| 1419 // <1, 0> : compiled and queue bit cleared | |
| 1420 // Because we first check the queue bits then check the result bits, | |
| 1421 // we are assured that we cannot introduce a duplicate task. | |
| 1422 // Note that if we did the tests in the reverse order (i.e. check | |
| 1423 // result then check queued bit), we could get the result bit before | |
| 1424 // the compilation completed, and the queue bit after the compilation | |
| 1425 // completed, and end up introducing a "duplicate" (redundant) task. | |
| 1426 // In that case, the compiler thread should first check if a method | |
| 1427 // has already been compiled before trying to compile it. | |
| 1428 // NOTE: in the event that there are multiple compiler threads and | |
| 1429 // there is de-optimization/recompilation, things will get hairy, | |
| 1430 // and in that case it's best to protect both the testing (here) of | |
| 1431 // these bits, and their updating (here and elsewhere) under a | |
| 1432 // common lock. | |
| 1783 | 1433 task = create_compile_task(queue, |
| 0 | 1434 compile_id, method, |
| 1435 osr_bci, comp_level, | |
| 1436 hot_method, hot_count, comment, | |
| 1437 blocking); | |
| 1438 } | |
| 1439 | |
| 1440 if (blocking) { | |
| 1441 wait_for_completion(task); | |
| 1442 } | |
| 1443 } | |
| 1444 | |
| 1445 | |
| 1446 nmethod* CompileBroker::compile_method(methodHandle method, int osr_bci, | |
| 1783 | 1447 int comp_level, |
| 0 | 1448 methodHandle hot_method, int hot_count, |
|
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1449 const char* comment, Thread* THREAD) { |
| 0 | 1450 // make sure arguments make sense |
|
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1451 assert(method->method_holder()->oop_is_instance(), "not an instance method"); |
| 0 | 1452 assert(osr_bci == InvocationEntryBci || (0 <= osr_bci && osr_bci < method->code_size()), "bci out of range"); |
| 1453 assert(!method->is_abstract() && (osr_bci == InvocationEntryBci || !method->is_native()), "cannot compile abstract/native methods"); | |
|
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|
1454 assert(!method->method_holder()->is_not_initialized(), "method holder must be initialized"); |
|
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|
1455 // allow any levels for WhiteBox |
|
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|
1456 assert(WhiteBoxAPI || TieredCompilation || comp_level == CompLevel_highest_tier, "only CompLevel_highest_tier must be used in non-tiered"); |
| 0 | 1457 // return quickly if possible |
| 1458 | |
| 1459 // lock, make sure that the compilation | |
| 1460 // isn't prohibited in a straightforward way. | |
|
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|
1461 AbstractCompiler *comp = CompileBroker::compiler(comp_level); |
|
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1462 if (comp == NULL || !comp->can_compile_method(method) || |
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1463 compilation_is_prohibited(method, osr_bci, comp_level)) { |
| 0 | 1464 return NULL; |
| 1465 } | |
| 1466 | |
| 1467 if (osr_bci == InvocationEntryBci) { | |
| 1468 // standard compilation | |
| 1469 nmethod* method_code = method->code(); | |
| 1783 | 1470 if (method_code != NULL) { |
| 1471 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1472 return method_code; | |
| 1473 } | |
| 0 | 1474 } |
|
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|
1475 if (method->is_not_compilable(comp_level)) { |
|
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|
1476 return NULL; |
| 1202 | 1477 } |
| 0 | 1478 } else { |
| 1479 // osr compilation | |
| 1480 #ifndef TIERED | |
| 1481 // seems like an assert of dubious value | |
| 1783 | 1482 assert(comp_level == CompLevel_highest_tier, |
| 0 | 1483 "all OSR compiles are assumed to be at a single compilation lavel"); |
| 1484 #endif // TIERED | |
| 1783 | 1485 // We accept a higher level osr method |
| 1486 nmethod* nm = method->lookup_osr_nmethod_for(osr_bci, comp_level, false); | |
| 0 | 1487 if (nm != NULL) return nm; |
|
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|
1488 if (method->is_not_osr_compilable(comp_level)) return NULL; |
| 0 | 1489 } |
| 1490 | |
| 1491 assert(!HAS_PENDING_EXCEPTION, "No exception should be present"); | |
| 1492 // some prerequisites that are compiler specific | |
|
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1493 if (comp->is_c2() || comp->is_shark()) { |
|
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|
1494 method->constants()->resolve_string_constants(CHECK_AND_CLEAR_NULL); |
| 0 | 1495 // Resolve all classes seen in the signature of the method |
| 1496 // we are compiling. | |
|
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1497 Method::load_signature_classes(method, CHECK_AND_CLEAR_NULL); |
| 0 | 1498 } |
| 1499 | |
| 1500 // If the method is native, do the lookup in the thread requesting | |
| 1501 // the compilation. Native lookups can load code, which is not | |
| 1502 // permitted during compilation. | |
| 1503 // | |
| 1504 // Note: A native method implies non-osr compilation which is | |
| 1505 // checked with an assertion at the entry of this method. | |
|
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|
1506 if (method->is_native() && !method->is_method_handle_intrinsic()) { |
| 0 | 1507 bool in_base_library; |
| 1508 address adr = NativeLookup::lookup(method, in_base_library, THREAD); | |
| 1509 if (HAS_PENDING_EXCEPTION) { | |
| 1510 // In case of an exception looking up the method, we just forget | |
| 1511 // about it. The interpreter will kick-in and throw the exception. | |
| 1512 method->set_not_compilable(); // implies is_not_osr_compilable() | |
| 1513 CLEAR_PENDING_EXCEPTION; | |
| 1514 return NULL; | |
| 1515 } | |
| 1516 assert(method->has_native_function(), "must have native code by now"); | |
| 1517 } | |
| 1518 | |
| 1519 // RedefineClasses() has replaced this method; just return | |
| 1520 if (method->is_old()) { | |
| 1521 return NULL; | |
| 1522 } | |
| 1523 | |
| 1524 // JVMTI -- post_compile_event requires jmethod_id() that may require | |
| 1525 // a lock the compiling thread can not acquire. Prefetch it here. | |
| 1526 if (JvmtiExport::should_post_compiled_method_load()) { | |
| 1527 method->jmethod_id(); | |
| 1528 } | |
| 1529 | |
| 1530 // do the compilation | |
| 1531 if (method->is_native()) { | |
|
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1532 if (!PreferInterpreterNativeStubs || method->is_method_handle_intrinsic()) { |
|
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1533 // To properly handle the appendix argument for out-of-line calls we are using a small trampoline that |
|
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|
1534 // pops off the appendix argument and jumps to the target (see gen_special_dispatch in SharedRuntime). |
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1535 // |
|
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1536 // Since normal compiled-to-compiled calls are not able to handle such a thing we MUST generate an adapter |
|
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|
1537 // in this case. If we can't generate one and use it we can not execute the out-of-line method handle calls. |
| 14236 | 1538 AdapterHandlerLibrary::create_native_wrapper(method); |
| 0 | 1539 } else { |
| 1540 return NULL; | |
| 1541 } | |
| 1542 } else { | |
|
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1543 // If the compiler is shut off due to code cache getting full |
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1544 // fail out now so blocking compiles dont hang the java thread |
|
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|
1545 if (!should_compile_new_jobs()) { |
|
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|
1546 CompilationPolicy::policy()->delay_compilation(method()); |
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|
1547 return NULL; |
|
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|
1548 } |
|
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|
1549 compile_method_base(method, osr_bci, comp_level, hot_method, hot_count, comment, THREAD); |
| 0 | 1550 } |
| 1551 | |
| 1552 // return requested nmethod | |
| 1783 | 1553 // We accept a higher level osr method |
| 1554 return osr_bci == InvocationEntryBci ? method->code() : method->lookup_osr_nmethod_for(osr_bci, comp_level, false); | |
| 0 | 1555 } |
| 1556 | |
| 1557 | |
| 1558 // ------------------------------------------------------------------ | |
| 1559 // CompileBroker::compilation_is_complete | |
| 1560 // | |
| 1561 // See if compilation of this method is already complete. | |
| 1562 bool CompileBroker::compilation_is_complete(methodHandle method, | |
| 1563 int osr_bci, | |
| 1564 int comp_level) { | |
| 1565 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1566 if (is_osr) { | |
|
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|
1567 if (method->is_not_osr_compilable(comp_level)) { |
| 0 | 1568 return true; |
| 1569 } else { | |
| 1783 | 1570 nmethod* result = method->lookup_osr_nmethod_for(osr_bci, comp_level, true); |
| 0 | 1571 return (result != NULL); |
| 1572 } | |
| 1573 } else { | |
| 1574 if (method->is_not_compilable(comp_level)) { | |
| 1575 return true; | |
| 1576 } else { | |
| 1577 nmethod* result = method->code(); | |
| 1578 if (result == NULL) return false; | |
| 1783 | 1579 return comp_level == result->comp_level(); |
| 0 | 1580 } |
| 1581 } | |
| 1582 } | |
| 1583 | |
| 1584 | |
|
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|
1585 /** |
|
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|
1586 * See if this compilation is already requested. |
|
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|
1587 * |
|
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|
1588 * Implementation note: there is only a single "is in queue" bit |
|
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|
1589 * for each method. This means that the check below is overly |
|
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|
1590 * conservative in the sense that an osr compilation in the queue |
|
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|
1591 * will block a normal compilation from entering the queue (and vice |
|
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|
1592 * versa). This can be remedied by a full queue search to disambiguate |
|
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|
1593 * cases. If it is deemed profitable, this may be done. |
|
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|
1594 */ |
|
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|
1595 bool CompileBroker::compilation_is_in_queue(methodHandle method) { |
| 0 | 1596 return method->queued_for_compilation(); |
| 1597 } | |
| 1598 | |
| 1599 // ------------------------------------------------------------------ | |
| 1600 // CompileBroker::compilation_is_prohibited | |
| 1601 // | |
| 1602 // See if this compilation is not allowed. | |
| 1603 bool CompileBroker::compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level) { | |
| 1604 bool is_native = method->is_native(); | |
| 1605 // Some compilers may not support the compilation of natives. | |
|
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|
1606 AbstractCompiler *comp = compiler(comp_level); |
| 0 | 1607 if (is_native && |
|
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|
1608 (!CICompileNatives || comp == NULL || !comp->supports_native())) { |
| 1783 | 1609 method->set_not_compilable_quietly(comp_level); |
| 0 | 1610 return true; |
| 1611 } | |
| 1612 | |
| 1613 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1614 // Some compilers may not support on stack replacement. | |
| 1615 if (is_osr && | |
|
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|
1616 (!CICompileOSR || comp == NULL || !comp->supports_osr())) { |
|
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|
1617 method->set_not_osr_compilable(comp_level); |
| 0 | 1618 return true; |
| 1619 } | |
| 1620 | |
| 1621 // The method may be explicitly excluded by the user. | |
| 1622 bool quietly; | |
| 1623 if (CompilerOracle::should_exclude(method, quietly)) { | |
| 1624 if (!quietly) { | |
| 1625 // This does not happen quietly... | |
| 1626 ResourceMark rm; | |
| 1627 tty->print("### Excluding %s:%s", | |
| 1628 method->is_native() ? "generation of native wrapper" : "compile", | |
| 1629 (method->is_static() ? " static" : "")); | |
| 1630 method->print_short_name(tty); | |
| 1631 tty->cr(); | |
| 1632 } | |
| 7998 | 1633 method->set_not_compilable(CompLevel_all, !quietly, "excluded by CompilerOracle"); |
| 0 | 1634 } |
| 1635 | |
| 1636 return false; | |
| 1637 } | |
| 1638 | |
| 14236 | 1639 /** |
| 1640 * Generate serialized IDs for compilation requests. If certain debugging flags are used | |
| 1641 * and the ID is not within the specified range, the method is not compiled and 0 is returned. | |
| 1642 * The function also allows to generate separate compilation IDs for OSR compilations. | |
| 1643 */ | |
| 1644 int CompileBroker::assign_compile_id(methodHandle method, int osr_bci) { | |
| 1645 #ifdef ASSERT | |
| 0 | 1646 bool is_osr = (osr_bci != standard_entry_bci); |
| 14236 | 1647 int id; |
| 1648 if (method->is_native()) { | |
| 1649 assert(!is_osr, "can't be osr"); | |
| 1650 // Adapters, native wrappers and method handle intrinsics | |
| 1651 // should be generated always. | |
| 1652 return Atomic::add(1, &_compilation_id); | |
| 1653 } else if (CICountOSR && is_osr) { | |
| 1654 id = Atomic::add(1, &_osr_compilation_id); | |
| 1655 if (CIStartOSR <= id && id < CIStopOSR) { | |
| 0 | 1656 return id; |
| 1657 } | |
| 1658 } else { | |
| 14236 | 1659 id = Atomic::add(1, &_compilation_id); |
| 1660 if (CIStart <= id && id < CIStop) { | |
| 0 | 1661 return id; |
| 1662 } | |
| 1663 } | |
| 1664 | |
| 1665 // Method was not in the appropriate compilation range. | |
|
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1202
diff
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|
1666 method->set_not_compilable_quietly(); |
| 0 | 1667 return 0; |
| 14236 | 1668 #else |
| 1669 // CICountOSR is a develop flag and set to 'false' by default. In a product built, | |
| 1670 // only _compilation_id is incremented. | |
| 1671 return Atomic::add(1, &_compilation_id); | |
| 1672 #endif | |
| 0 | 1673 } |
| 1674 | |
| 1675 | |
| 1676 // ------------------------------------------------------------------ | |
|
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|
1677 // CompileBroker::assign_compile_id_unlocked |
|
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|
1678 // |
|
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|
1679 // Public wrapper for assign_compile_id that acquires the needed locks |
|
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|
1680 uint CompileBroker::assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci) { |
|
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|
1681 MutexLocker locker(MethodCompileQueue_lock, thread); |
|
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|
1682 return assign_compile_id(method, osr_bci); |
|
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|
1683 } |
|
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|
1684 |
|
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|
1685 /** |
|
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|
1686 * Should the current thread block until this compilation request |
|
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|
1687 * has been fulfilled? |
|
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|
1688 */ |
|
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|
1689 bool CompileBroker::is_compile_blocking() { |
|
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|
1690 assert(!InstanceRefKlass::owns_pending_list_lock(JavaThread::current()), "possible deadlock"); |
|
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|
1691 return !BackgroundCompilation; |
| 0 | 1692 } |
| 1693 | |
| 1694 | |
| 1695 // ------------------------------------------------------------------ | |
| 1696 // CompileBroker::preload_classes | |
| 1697 void CompileBroker::preload_classes(methodHandle method, TRAPS) { | |
| 1698 // Move this code over from c1_Compiler.cpp | |
| 1699 ShouldNotReachHere(); | |
| 1700 } | |
| 1701 | |
| 1702 | |
| 1703 // ------------------------------------------------------------------ | |
| 1704 // CompileBroker::create_compile_task | |
| 1705 // | |
| 1706 // Create a CompileTask object representing the current request for | |
| 1707 // compilation. Add this task to the queue. | |
| 1708 CompileTask* CompileBroker::create_compile_task(CompileQueue* queue, | |
| 1709 int compile_id, | |
| 1710 methodHandle method, | |
| 1711 int osr_bci, | |
| 1712 int comp_level, | |
| 1713 methodHandle hot_method, | |
| 1714 int hot_count, | |
| 1715 const char* comment, | |
| 1716 bool blocking) { | |
|
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|
1717 CompileTask* new_task = CompileTask::allocate(); |
| 0 | 1718 new_task->initialize(compile_id, method, osr_bci, comp_level, |
| 1719 hot_method, hot_count, comment, | |
| 1720 blocking); | |
| 1721 queue->add(new_task); | |
| 1722 return new_task; | |
| 1723 } | |
| 1724 | |
|
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|
1725 #ifdef COMPILERJVMCI |
|
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|
1726 // The number of milliseconds to wait before checking if the |
|
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|
1727 // JVMCI compiler has become blocked during compilation. |
|
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|
1728 static const long BLOCKING_JVMCI_COMPILATION_WAIT_TIMESLICE = 500; |
|
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|
1729 |
|
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|
1730 // The number of successive times the above check is allowed to |
|
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|
1731 // see a blocked JVMCI compiler thread before unblocking the |
|
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|
1732 // thread waiting for the compilation to finish. |
|
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|
1733 static const int BLOCKING_JVMCI_COMPILATION_WAIT_TO_UNBLOCK_ATTEMPTS = 5; |
|
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1734 |
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|
1735 /** |
|
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|
1736 * Waits for a JVMCI compiler to complete a given task. This thread |
|
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|
1737 * waits until either the task completes or it sees the JVMCI compiler |
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1738 * thread is blocked for N consecutive milliseconds where N is |
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1739 * BLOCKING_JVMCI_COMPILATION_WAIT_TIMESLICE * |
|
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1740 * BLOCKING_JVMCI_COMPILATION_WAIT_TO_UNBLOCK_ATTEMPTS. |
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1741 * |
|
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1742 * @return true if this thread needs to free/recycle the task |
|
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|
1743 */ |
|
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1744 bool CompileBroker::wait_for_jvmci_completion(CompileTask* task, JavaThread* thread) { |
|
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|
1745 MutexLocker waiter(task->lock(), thread); |
|
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|
1746 int consecutively_blocked = 0; |
|
23294
5d04cfbd1945
reduced delta against jvmci-9
Doug Simon <doug.simon@oracle.com>
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|
1747 while (!task->is_complete() && !is_compilation_disabled_forever() && |
|
5d04cfbd1945
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|
1748 task->lock()->wait(!Mutex::_no_safepoint_check_flag, BLOCKING_JVMCI_COMPILATION_WAIT_TIMESLICE)) { |
|
22762
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|
1749 CompilerThread* jvmci_compiler_thread = task->jvmci_compiler_thread(); |
|
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|
1750 if (jvmci_compiler_thread != NULL) { |
|
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|
1751 JavaThreadState state; |
|
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|
1752 { |
|
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|
1753 // A JVMCI compiler thread should not disappear at this point |
|
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|
1754 // but let's be extra safe. |
|
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|
1755 MutexLocker mu(Threads_lock, thread); |
|
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1756 state = jvmci_compiler_thread->thread_state(); |
|
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1757 } |
|
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|
1758 if (state == _thread_blocked) { |
|
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|
1759 if (++consecutively_blocked == BLOCKING_JVMCI_COMPILATION_WAIT_TO_UNBLOCK_ATTEMPTS) { |
|
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|
1760 if (PrintCompilation) { |
|
22763
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|
1761 task->print_compilation(tty, "wait for blocking compilation timed out"); |
|
22762
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|
1762 } |
|
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|
1763 break; |
|
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|
1764 } |
|
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|
1765 } else { |
|
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|
1766 consecutively_blocked = 0; |
|
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|
1767 } |
|
9d78d44d3aac
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|
1768 } else { |
|
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|
1769 // Still waiting on JVMCI compiler queue |
|
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|
1770 } |
|
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|
1771 } |
|
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|
1772 task->clear_waiter(); |
|
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|
1773 return task->is_complete(); |
|
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|
1774 } |
|
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|
1775 #endif |
| 0 | 1776 |
|
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|
1777 /** |
|
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|
1778 * Wait for the compilation task to complete. |
|
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|
1779 */ |
| 0 | 1780 void CompileBroker::wait_for_completion(CompileTask* task) { |
| 1781 if (CIPrintCompileQueue) { | |
|
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|
1782 ttyLocker ttyl; |
| 0 | 1783 tty->print_cr("BLOCKING FOR COMPILE"); |
| 1784 } | |
| 1785 | |
| 1786 assert(task->is_blocking(), "can only wait on blocking task"); | |
| 1787 | |
|
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|
1788 JavaThread* thread = JavaThread::current(); |
| 0 | 1789 thread->set_blocked_on_compilation(true); |
| 1790 | |
|
6725
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|
1791 methodHandle method(thread, task->method()); |
|
22719
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|
1792 bool free_task = true; |
|
22714
9b3b66634d17
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|
1793 #ifdef COMPILERJVMCI |
|
22719
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|
1794 if (compiler(task->comp_level())->is_jvmci()) { |
|
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|
1795 free_task = wait_for_jvmci_completion(task, thread); |
|
22719
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|
1796 } else |
|
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|
1797 #endif |
|
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|
1798 { |
|
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|
1799 MutexLocker waiter(task->lock(), thread); |
|
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|
1800 while (!task->is_complete() && !is_compilation_disabled_forever()) { |
| 0 | 1801 task->lock()->wait(); |
|
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|
1802 } |
| 0 | 1803 } |
|
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|
1804 |
|
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|
1805 thread->set_blocked_on_compilation(false); |
|
22719
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|
1806 if (free_task) { |
|
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|
1807 if (is_compilation_disabled_forever()) { |
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|
1808 CompileTask::free(task); |
|
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|
1809 return; |
|
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|
1810 } |
|
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|
1811 |
|
22719
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|
1812 // It is harmless to check this status without the lock, because |
|
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|
1813 // completion is a stable property (until the task object is recycled). |
|
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|
1814 assert(task->is_complete(), "Compilation should have completed"); |
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|
1815 assert(task->code_handle() == NULL, "must be reset"); |
| 0 | 1816 |
|
22719
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|
1817 // By convention, the waiter is responsible for recycling a |
|
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|
1818 // blocking CompileTask. Since there is only one waiter ever |
|
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|
1819 // waiting on a CompileTask, we know that no one else will |
|
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|
1820 // be using this CompileTask; we can free it. |
|
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|
1821 CompileTask::free(task); |
|
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|
1822 } |
| 0 | 1823 } |
| 1824 | |
|
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|
1825 /** |
|
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|
1826 * Initialize compiler thread(s) + compiler object(s). The postcondition |
|
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|
1827 * of this function is that the compiler runtimes are initialized and that |
|
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|
1828 * compiler threads can start compiling. |
|
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|
1829 */ |
|
12880
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|
1830 bool CompileBroker::init_compiler_runtime() { |
|
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|
1831 CompilerThread* thread = CompilerThread::current(); |
|
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|
1832 AbstractCompiler* comp = thread->compiler(); |
|
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|
1833 // Final sanity check - the compiler object must exist |
|
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changeset
|
1834 guarantee(comp != NULL, "Compiler object must exist"); |
|
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|
1835 |
|
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|
1836 int system_dictionary_modification_counter; |
|
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|
1837 { |
|
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|
1838 MutexLocker locker(Compile_lock, thread); |
|
469216acdb28
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|
1839 system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); |
|
469216acdb28
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|
1840 } |
|
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|
1841 |
|
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|
1842 { |
|
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|
1843 // Must switch to native to allocate ci_env |
|
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|
1844 ThreadToNativeFromVM ttn(thread); |
|
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|
1845 ciEnv ci_env(NULL, system_dictionary_modification_counter); |
|
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|
1846 // Cache Jvmti state |
|
469216acdb28
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|
1847 ci_env.cache_jvmti_state(); |
|
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|
1848 // Cache DTrace flags |
|
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|
1849 ci_env.cache_dtrace_flags(); |
|
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|
1850 |
|
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changeset
|
1851 // Switch back to VM state to do compiler initialization |
|
469216acdb28
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|
1852 ThreadInVMfromNative tv(thread); |
|
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1853 ResetNoHandleMark rnhm; |
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1854 |
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1855 |
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1856 if (!comp->is_shark()) { |
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1857 // Perform per-thread and global initializations |
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1858 comp->initialize(); |
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1859 } |
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1860 } |
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1861 |
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1862 if (comp->is_failed()) { |
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1863 disable_compilation_forever(); |
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1864 // If compiler initialization failed, no compiler thread that is specific to a |
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1865 // particular compiler runtime will ever start to compile methods. |
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1866 shutdown_compiler_runtime(comp, thread); |
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1867 return false; |
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1868 } |
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1869 |
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1870 // C1 specific check |
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1871 if (comp->is_c1() && (thread->get_buffer_blob() == NULL)) { |
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1872 warning("Initialization of %s thread failed (no space to run compilers)", thread->name()); |
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1873 return false; |
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1874 } |
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1875 |
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1876 return true; |
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1877 } |
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1878 |
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1879 /** |
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1880 * If C1 and/or C2 initialization failed, we shut down all compilation. |
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1881 * We do this to keep things simple. This can be changed if it ever turns |
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1882 * out to be a problem. |
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1883 */ |
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1884 void CompileBroker::shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread) { |
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1885 // Free buffer blob, if allocated |
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1886 if (thread->get_buffer_blob() != NULL) { |
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1887 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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1888 CodeCache::free(thread->get_buffer_blob()); |
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1889 } |
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1890 |
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1891 if (comp->should_perform_shutdown()) { |
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1892 // There are two reasons for shutting down the compiler |
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1893 // 1) compiler runtime initialization failed |
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1894 // 2) The code cache is full and the following flag is set: -XX:-UseCodeCacheFlushing |
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1895 warning("%s initialization failed. Shutting down all compilers", comp->name()); |
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1896 |
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1897 // Only one thread per compiler runtime object enters here |
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1898 // Set state to shut down |
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1899 comp->set_shut_down(); |
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1900 |
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1901 // Delete all queued compilation tasks to make compiler threads exit faster. |
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1902 if (_c1_compile_queue != NULL) { |
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1903 _c1_compile_queue->free_all(); |
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1904 } |
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1905 |
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1906 if (_c2_compile_queue != NULL) { |
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1907 _c2_compile_queue->free_all(); |
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1908 } |
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1909 |
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1910 // Set flags so that we continue execution with using interpreter only. |
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1911 UseCompiler = false; |
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1912 UseInterpreter = true; |
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1913 |
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1914 // We could delete compiler runtimes also. However, there are references to |
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1915 // the compiler runtime(s) (e.g., nmethod::is_compiled_by_c1()) which then |
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1916 // fail. This can be done later if necessary. |
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1917 } |
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1918 } |
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1919 |
| 0 | 1920 // ------------------------------------------------------------------ |
| 1921 // CompileBroker::compiler_thread_loop | |
| 1922 // | |
| 1923 // The main loop run by a CompilerThread. | |
| 1924 void CompileBroker::compiler_thread_loop() { | |
| 1925 CompilerThread* thread = CompilerThread::current(); | |
| 1926 CompileQueue* queue = thread->queue(); | |
| 1927 // For the thread that initializes the ciObjectFactory | |
| 1928 // this resource mark holds all the shared objects | |
| 1929 ResourceMark rm; | |
| 1930 | |
| 1931 // First thread to get here will initialize the compiler interface | |
| 1932 | |
| 1933 if (!ciObjectFactory::is_initialized()) { | |
| 1934 ASSERT_IN_VM; | |
| 1935 MutexLocker only_one (CompileThread_lock, thread); | |
| 1936 if (!ciObjectFactory::is_initialized()) { | |
| 1937 ciObjectFactory::initialize(); | |
| 1938 } | |
| 1939 } | |
| 1940 | |
| 1941 // Open a log. | |
| 1942 if (LogCompilation) { | |
| 1943 init_compiler_thread_log(); | |
| 1944 } | |
| 1945 CompileLog* log = thread->log(); | |
| 1946 if (log != NULL) { | |
| 6843 | 1947 log->begin_elem("start_compile_thread name='%s' thread='" UINTX_FORMAT "' process='%d'", |
| 1948 thread->name(), | |
| 0 | 1949 os::current_thread_id(), |
| 1950 os::current_process_id()); | |
| 1951 log->stamp(); | |
| 1952 log->end_elem(); | |
| 1953 } | |
| 1954 | |
|
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1955 // If compiler thread/runtime initialization fails, exit the compiler thread |
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1956 if (!init_compiler_runtime()) { |
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1957 return; |
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1958 } |
| 1202 | 1959 |
|
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1960 // Poll for new compilation tasks as long as the JVM runs. Compilation |
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1961 // should only be disabled if something went wrong while initializing the |
|
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1962 // compiler runtimes. This, in turn, should not happen. The only known case |
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1963 // when compiler runtime initialization fails is if there is not enough free |
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1964 // space in the code cache to generate the necessary stubs, etc. |
|
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1965 while (!is_compilation_disabled_forever()) { |
|
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1966 // We need this HandleMark to avoid leaking VM handles. |
|
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1967 HandleMark hm(thread); |
| 0 | 1968 |
|
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1969 if (CodeCache::unallocated_capacity() < CodeCacheMinimumFreeSpace) { |
|
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1970 // the code cache is really full |
|
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1971 handle_full_code_cache(); |
|
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1972 } |
| 0 | 1973 |
|
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1974 CompileTask* task = queue->get(); |
|
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1975 if (task == NULL) { |
|
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1976 continue; |
|
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1977 } |
| 0 | 1978 |
|
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1979 // Give compiler threads an extra quanta. They tend to be bursty and |
|
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1980 // this helps the compiler to finish up the job. |
|
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1981 if( CompilerThreadHintNoPreempt ) |
|
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1982 os::hint_no_preempt(); |
| 0 | 1983 |
|
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1984 // trace per thread time and compile statistics |
|
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1985 CompilerCounters* counters = ((CompilerThread*)thread)->counters(); |
|
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1986 PerfTraceTimedEvent(counters->time_counter(), counters->compile_counter()); |
| 0 | 1987 |
|
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1988 // Assign the task to the current thread. Mark this compilation |
|
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1989 // thread as active for the profiler. |
|
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1990 CompileTaskWrapper ctw(task); |
|
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1991 nmethodLocker result_handle; // (handle for the nmethod produced by this task) |
|
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1992 task->set_code_handle(&result_handle); |
|
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1993 methodHandle method(thread, task->method()); |
|
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1994 |
|
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1995 // Never compile a method if breakpoints are present in it |
|
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1996 if (method()->number_of_breakpoints() == 0) { |
|
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1997 // Compile the method. |
|
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1998 if ((UseCompiler || AlwaysCompileLoopMethods) && CompileBroker::should_compile_new_jobs()) { |
|
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1999 invoke_compiler_on_method(task); |
|
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2000 } else { |
|
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2001 // After compilation is disabled, remove remaining methods from queue |
|
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2002 method->clear_queued_for_compilation(); |
|
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2003 task->set_failure_reason("compilation is disabled"); |
| 0 | 2004 } |
| 2005 } | |
| 2006 } | |
|
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8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
2007 |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
2008 // Shut down compiler runtime |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
2009 shutdown_compiler_runtime(thread->compiler(), thread); |
| 0 | 2010 } |
| 2011 | |
| 2012 // ------------------------------------------------------------------ | |
| 2013 // CompileBroker::init_compiler_thread_log | |
| 2014 // | |
| 2015 // Set up state required by +LogCompilation. | |
| 2016 void CompileBroker::init_compiler_thread_log() { | |
| 2017 CompilerThread* thread = CompilerThread::current(); | |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2018 char file_name[4*K]; |
| 0 | 2019 FILE* fp = NULL; |
| 2020 intx thread_id = os::current_thread_id(); | |
| 2021 for (int try_temp_dir = 1; try_temp_dir >= 0; try_temp_dir--) { | |
| 2022 const char* dir = (try_temp_dir ? os::get_temp_directory() : NULL); | |
|
1353
a2ea687fdc7c
6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents:
1300
diff
changeset
|
2023 if (dir == NULL) { |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2024 jio_snprintf(file_name, sizeof(file_name), "hs_c" UINTX_FORMAT "_pid%u.log", |
|
1353
a2ea687fdc7c
6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents:
1300
diff
changeset
|
2025 thread_id, os::current_process_id()); |
|
a2ea687fdc7c
6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents:
1300
diff
changeset
|
2026 } else { |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2027 jio_snprintf(file_name, sizeof(file_name), |
|
1353
a2ea687fdc7c
6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents:
1300
diff
changeset
|
2028 "%s%shs_c" UINTX_FORMAT "_pid%u.log", dir, |
|
a2ea687fdc7c
6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents:
1300
diff
changeset
|
2029 os::file_separator(), thread_id, os::current_process_id()); |
|
a2ea687fdc7c
6938627: Make temporary directory use property java.io.tmpdir when specified
coleenp
parents:
1300
diff
changeset
|
2030 } |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2031 |
|
20679
ecccc23346fe
8007993: hotspot.log w/ enabled LogCompilation can be an invalid XML
thartmann
parents:
20591
diff
changeset
|
2032 fp = fopen(file_name, "wt"); |
| 0 | 2033 if (fp != NULL) { |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2034 if (LogCompilation && Verbose) { |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2035 tty->print_cr("Opening compilation log %s", file_name); |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2036 } |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2037 CompileLog* log = new(ResourceObj::C_HEAP, mtCompiler) CompileLog(file_name, fp, thread_id); |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2038 thread->init_log(log); |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2039 |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2040 if (xtty != NULL) { |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2041 ttyLocker ttyl; |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2042 // Record any per thread log files |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14456
diff
changeset
|
2043 xtty->elem("thread_logfile thread='" INTX_FORMAT "' filename='%s'", thread_id, file_name); |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2044 } |
|
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2045 return; |
| 0 | 2046 } |
| 2047 } | |
|
10394
813f26e34135
8013329: File leak in hotspot/src/share/vm/compiler/compileBroker.cpp
anoll
parents:
10278
diff
changeset
|
2048 warning("Cannot open log file: %s", file_name); |
| 0 | 2049 } |
| 2050 | |
| 2051 // ------------------------------------------------------------------ | |
| 2052 // CompileBroker::set_should_block | |
| 2053 // | |
| 2054 // Set _should_block. | |
| 2055 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 2056 void CompileBroker::set_should_block() { | |
| 2057 assert(Threads_lock->owner() == Thread::current(), "must have threads lock"); | |
| 2058 assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint already"); | |
| 2059 #ifndef PRODUCT | |
| 2060 if (PrintCompilation && (Verbose || WizardMode)) | |
| 2061 tty->print_cr("notifying compiler thread pool to block"); | |
| 2062 #endif | |
| 2063 _should_block = true; | |
| 2064 } | |
| 2065 | |
| 2066 // ------------------------------------------------------------------ | |
| 2067 // CompileBroker::maybe_block | |
| 2068 // | |
| 2069 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 2070 void CompileBroker::maybe_block() { | |
| 2071 if (_should_block) { | |
| 2072 #ifndef PRODUCT | |
| 2073 if (PrintCompilation && (Verbose || WizardMode)) | |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14456
diff
changeset
|
2074 tty->print_cr("compiler thread " INTPTR_FORMAT " poll detects block request", p2i(Thread::current())); |
| 0 | 2075 #endif |
| 2076 ThreadInVMfromNative tivfn(JavaThread::current()); | |
| 2077 } | |
| 2078 } | |
| 2079 | |
|
7595
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2080 // wrapper for CodeCache::print_summary() |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2081 static void codecache_print(bool detailed) |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2082 { |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2083 ResourceMark rm; |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2084 stringStream s; |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2085 // Dump code cache into a buffer before locking the tty, |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2086 { |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2087 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2088 CodeCache::print_summary(&s, detailed); |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2089 } |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2090 ttyLocker ttyl; |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14456
diff
changeset
|
2091 tty->print("%s", s.as_string()); |
|
7595
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2092 } |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2093 |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2094 void CompileBroker::post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2095 |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2096 if (success) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2097 task->mark_success(); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2098 if (ci_env != NULL) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2099 task->set_num_inlined_bytecodes(ci_env->num_inlined_bytecodes()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2100 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2101 if (_compilation_log != NULL) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2102 nmethod* code = task->code(); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2103 if (code != NULL) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2104 _compilation_log->log_nmethod(thread, code); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2105 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2106 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2107 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2108 |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2109 // simulate crash during compilation |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2110 assert(task->compile_id() != CICrashAt, "just as planned"); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2111 if (event.should_commit()) { |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2112 event.set_method(task->method()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2113 event.set_compileID(task->compile_id()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2114 event.set_compileLevel(task->comp_level()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2115 event.set_succeded(task->is_success()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2116 event.set_isOsr(task->osr_bci() != CompileBroker::standard_entry_bci); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2117 event.set_codeSize((task->code() == NULL) ? 0 : task->code()->total_size()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2118 event.set_inlinedBytes(task->num_inlined_bytecodes()); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2119 event.commit(); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2120 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2121 } |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2122 |
| 0 | 2123 // ------------------------------------------------------------------ |
| 2124 // CompileBroker::invoke_compiler_on_method | |
| 2125 // | |
| 2126 // Compile a method. | |
| 2127 // | |
| 2128 void CompileBroker::invoke_compiler_on_method(CompileTask* task) { | |
| 2129 if (PrintCompilation) { | |
| 2130 ResourceMark rm; | |
| 2131 task->print_line(); | |
| 2132 } | |
| 2133 elapsedTimer time; | |
| 2134 | |
| 2135 CompilerThread* thread = CompilerThread::current(); | |
| 2136 ResourceMark rm(thread); | |
| 2137 | |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2138 if (LogEvents) { |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2139 _compilation_log->log_compile(thread, task); |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2140 } |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2141 |
| 0 | 2142 // Common flags. |
| 2143 uint compile_id = task->compile_id(); | |
| 2144 int osr_bci = task->osr_bci(); | |
| 2145 bool is_osr = (osr_bci != standard_entry_bci); | |
| 2146 bool should_log = (thread->log() != NULL); | |
| 2147 bool should_break = false; | |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2148 int task_level = task->comp_level(); |
| 0 | 2149 { |
| 2150 // create the handle inside it's own block so it can't | |
| 2151 // accidentally be referenced once the thread transitions to | |
| 2152 // native. The NoHandleMark before the transition should catch | |
| 2153 // any cases where this occurs in the future. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2154 methodHandle method(thread, task->method()); |
| 0 | 2155 should_break = check_break_at(method, compile_id, is_osr); |
| 2156 if (should_log && !CompilerOracle::should_log(method)) { | |
| 2157 should_log = false; | |
| 2158 } | |
| 2159 assert(!method->is_native(), "no longer compile natives"); | |
| 2160 | |
| 2161 // Save information about this method in case of failure. | |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2162 set_last_compile(thread, method, is_osr, task_level); |
| 0 | 2163 |
|
10207
e4e131b15d5c
8013532: Remove unused parameter "compiler" from DTRACE_METHOD_COMPILE* macros
roland
parents:
10206
diff
changeset
|
2164 DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, compiler_name(task_level)); |
| 0 | 2165 } |
| 2166 | |
|
23288
d2cd0b15957c
Restore previous order of pushing and popping JNI handle blocks
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22770
diff
changeset
|
2167 // Allocate a new set of JNI handles. |
|
d2cd0b15957c
Restore previous order of pushing and popping JNI handle blocks
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22770
diff
changeset
|
2168 push_jni_handle_block(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2169 Method* target_handle = task->method(); |
| 0 | 2170 int compilable = ciEnv::MethodCompilable; |
|
22770
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2171 const char* failure_reason = NULL; |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2172 const char* retry_message = NULL; |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2173 AbstractCompiler *comp = compiler(task_level); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2174 |
|
19321
98592ae4b1fa
only record method dependencies if JVMTI hotswapping or breakpointing is enabled
Doug Simon <doug.simon@oracle.com>
parents:
18303
diff
changeset
|
2175 int system_dictionary_modification_counter; |
| 0 | 2176 { |
|
19321
98592ae4b1fa
only record method dependencies if JVMTI hotswapping or breakpointing is enabled
Doug Simon <doug.simon@oracle.com>
parents:
18303
diff
changeset
|
2177 MutexLocker locker(Compile_lock, thread); |
|
98592ae4b1fa
only record method dependencies if JVMTI hotswapping or breakpointing is enabled
Doug Simon <doug.simon@oracle.com>
parents:
18303
diff
changeset
|
2178 system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); |
|
98592ae4b1fa
only record method dependencies if JVMTI hotswapping or breakpointing is enabled
Doug Simon <doug.simon@oracle.com>
parents:
18303
diff
changeset
|
2179 } |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2180 #ifdef COMPILERJVMCI |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2181 if (comp != NULL && comp->is_jvmci()) { |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2182 JVMCICompiler* jvmci = (JVMCICompiler*) comp; |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2183 |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2184 TraceTime t1("compilation", &time); |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2185 EventCompilation event; |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2186 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2187 JVMCIEnv env(task, system_dictionary_modification_counter); |
|
22730
24fd08e99b35
Backport Handle fixes from jvmci-9.
Roland Schatz <roland.schatz@oracle.com>
parents:
22719
diff
changeset
|
2188 methodHandle method(thread, target_handle); |
|
24fd08e99b35
Backport Handle fixes from jvmci-9.
Roland Schatz <roland.schatz@oracle.com>
parents:
22719
diff
changeset
|
2189 jvmci->compile_method(method, osr_bci, &env); |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2190 |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2191 post_compile(thread, task, event, task->code() != NULL, NULL); |
|
22770
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2192 |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2193 failure_reason = env.failure_reason(); |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2194 if (!env.retryable()) { |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2195 retry_message = "not retryable"; |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2196 compilable = ciEnv::MethodCompilable_not_at_tier; |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2197 } |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2198 |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2199 } else |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2200 #endif // COMPILERJVMCI |
| 0 | 2201 { |
| 2202 NoHandleMark nhm; | |
| 2203 ThreadToNativeFromVM ttn(thread); | |
| 2204 | |
| 2205 ciEnv ci_env(task, system_dictionary_modification_counter); | |
| 2206 if (should_break) { | |
| 2207 ci_env.set_break_at_compile(true); | |
| 2208 } | |
| 2209 if (should_log) { | |
| 2210 ci_env.set_log(thread->log()); | |
| 2211 } | |
| 2212 assert(thread->env() == &ci_env, "set by ci_env"); | |
| 2213 // The thread-env() field is cleared in ~CompileTaskWrapper. | |
| 2214 | |
|
780
c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents:
0
diff
changeset
|
2215 // Cache Jvmti state |
|
c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents:
0
diff
changeset
|
2216 ci_env.cache_jvmti_state(); |
|
c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents:
0
diff
changeset
|
2217 |
|
c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents:
0
diff
changeset
|
2218 // Cache DTrace flags |
|
c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents:
0
diff
changeset
|
2219 ci_env.cache_dtrace_flags(); |
|
c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents:
0
diff
changeset
|
2220 |
| 0 | 2221 ciMethod* target = ci_env.get_method_from_handle(target_handle); |
| 2222 | |
| 2223 TraceTime t1("compilation", &time); | |
| 10405 | 2224 EventCompilation event; |
| 0 | 2225 |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2226 if (comp == NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2227 ci_env.record_method_not_compilable("no compiler", !TieredCompilation); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2228 } else { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2229 comp->compile_method(&ci_env, target, osr_bci); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2230 } |
| 0 | 2231 |
| 2232 if (!ci_env.failing() && task->code() == NULL) { | |
| 2233 //assert(false, "compiler should always document failure"); | |
| 2234 // The compiler elected, without comment, not to register a result. | |
| 2235 // Do not attempt further compilations of this method. | |
|
1964
22ef3370343b
7000349: Tiered reacts incorrectly to C1 compilation failures
iveresov
parents:
1783
diff
changeset
|
2236 ci_env.record_method_not_compilable("compile failed", !TieredCompilation); |
| 0 | 2237 } |
| 2238 | |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2239 // Copy this bit to the enclosing block: |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2240 compilable = ci_env.compilable(); |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4825
diff
changeset
|
2241 |
| 0 | 2242 if (ci_env.failing()) { |
|
22770
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2243 failure_reason = ci_env.failure_reason(); |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2244 retry_message = ci_env.retry_message(); |
| 0 | 2245 } |
|
15463
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2246 |
|
a20be10ad437
made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
14957
diff
changeset
|
2247 post_compile(thread, task, event, !ci_env.failing(), &ci_env); |
| 0 | 2248 } |
|
23288
d2cd0b15957c
Restore previous order of pushing and popping JNI handle blocks
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22770
diff
changeset
|
2249 // Remove the JNI handle block after the ciEnv destructor has run in |
|
d2cd0b15957c
Restore previous order of pushing and popping JNI handle blocks
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22770
diff
changeset
|
2250 // the previous block. |
|
d2cd0b15957c
Restore previous order of pushing and popping JNI handle blocks
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22770
diff
changeset
|
2251 pop_jni_handle_block(); |
|
22770
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2252 |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2253 if (failure_reason != NULL) { |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2254 if (_compilation_log != NULL) { |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2255 _compilation_log->log_failure(thread, task, failure_reason, retry_message); |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2256 } |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2257 if (PrintCompilation) { |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2258 FormatBufferResource msg = retry_message != NULL ? |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2259 err_msg_res("COMPILE SKIPPED: %s (%s)", failure_reason, retry_message) : |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2260 err_msg_res("COMPILE SKIPPED: %s", failure_reason); |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2261 task->print_compilation(tty, msg); |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2262 } |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2263 } |
|
1fbfcc0334d3
JVMCI PrintCompilation support should reuse CompileBroker logic
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22764
diff
changeset
|
2264 |
| 0 | 2265 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2266 methodHandle method(thread, task->method()); |
| 0 | 2267 |
|
10207
e4e131b15d5c
8013532: Remove unused parameter "compiler" from DTRACE_METHOD_COMPILE* macros
roland
parents:
10206
diff
changeset
|
2268 DTRACE_METHOD_COMPILE_END_PROBE(method, compiler_name(task_level), task->is_success()); |
| 0 | 2269 |
| 2270 collect_statistics(thread, time, task); | |
| 2271 | |
|
4064
670a74b863fc
7107042: assert(no_dead_loop) failed: dead loop detected
kvn
parents:
4047
diff
changeset
|
2272 if (PrintCompilation && PrintCompilation2) { |
| 4047 | 2273 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); // print timestamp |
| 2274 tty->print("%4d ", compile_id); // print compilation number | |
| 2275 tty->print("%s ", (is_osr ? "%" : " ")); | |
| 10278 | 2276 if (task->code() != NULL) { |
| 2277 tty->print("size: %d(%d) ", task->code()->total_size(), task->code()->insts_size()); | |
| 2278 } | |
| 2279 tty->print_cr("time: %d inlined: %d bytes", (int)time.milliseconds(), task->num_inlined_bytecodes()); | |
| 4047 | 2280 } |
| 2281 | |
|
7595
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2282 if (PrintCodeCacheOnCompilation) |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2283 codecache_print(/* detailed= */ false); |
|
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2284 |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2285 // Disable compilation, if required. |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2286 switch (compilable) { |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2287 case ciEnv::MethodCompilable_never: |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2288 if (is_osr) |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2289 method->set_not_osr_compilable_quietly(); |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2290 else |
|
1208
cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents:
1202
diff
changeset
|
2291 method->set_not_compilable_quietly(); |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2292 break; |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2293 case ciEnv::MethodCompilable_not_at_tier: |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2294 if (is_osr) |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2295 method->set_not_osr_compilable_quietly(task_level); |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2296 else |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2297 method->set_not_compilable_quietly(task_level); |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
2298 break; |
| 0 | 2299 } |
| 2300 | |
| 2301 // Note that the queued_for_compilation bits are cleared without | |
| 2302 // protection of a mutex. [They were set by the requester thread, | |
|
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
2303 // when adding the task to the compile queue -- at which time the |
| 0 | 2304 // compile queue lock was held. Subsequently, we acquired the compile |
| 2305 // queue lock to get this task off the compile queue; thus (to belabour | |
| 2306 // the point somewhat) our clearing of the bits must be occurring | |
| 2307 // only after the setting of the bits. See also 14012000 above. | |
| 2308 method->clear_queued_for_compilation(); | |
| 2309 | |
| 2310 #ifdef ASSERT | |
| 2311 if (CollectedHeap::fired_fake_oom()) { | |
| 2312 // The current compile received a fake OOM during compilation so | |
| 2313 // go ahead and exit the VM since the test apparently succeeded | |
| 2314 tty->print_cr("*** Shutting down VM after successful fake OOM"); | |
| 2315 vm_exit(0); | |
| 2316 } | |
| 2317 #endif | |
| 2318 } | |
| 2319 | |
|
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13016
diff
changeset
|
2320 /** |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13016
diff
changeset
|
2321 * The CodeCache is full. Print out warning and disable compilation |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13016
diff
changeset
|
2322 * or try code cache cleaning so compilation can continue later. |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13016
diff
changeset
|
2323 */ |
| 1202 | 2324 void CompileBroker::handle_full_code_cache() { |
| 2325 UseInterpreter = true; | |
| 2326 if (UseCompiler || AlwaysCompileLoopMethods ) { | |
|
1728
a62d332029cf
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
1692
diff
changeset
|
2327 if (xtty != NULL) { |
|
7595
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7409
diff
changeset
|
2328 ResourceMark rm; |
|
2482
dbccacb79c63
7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ...
iveresov
parents:
2447
diff
changeset
|
2329 stringStream s; |
|
dbccacb79c63
7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ...
iveresov
parents:
2447
diff
changeset
|
2330 // Dump code cache state into a buffer before locking the tty, |
|
dbccacb79c63
7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ...
iveresov
parents:
2447
diff
changeset
|
2331 // because log_state() will use locks causing lock conflicts. |
|
dbccacb79c63
7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ...
iveresov
parents:
2447
diff
changeset
|
2332 CodeCache::log_state(&s); |
|
dbccacb79c63
7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ...
iveresov
parents:
2447
diff
changeset
|
2333 // Lock to prevent tearing |
|
dbccacb79c63
7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ...
iveresov
parents:
2447
diff
changeset
|
2334 ttyLocker ttyl; |
|
1728
a62d332029cf
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
1692
diff
changeset
|
2335 xtty->begin_elem("code_cache_full"); |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14456
diff
changeset
|
2336 xtty->print("%s", s.as_string()); |
|
1728
a62d332029cf
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
1692
diff
changeset
|
2337 xtty->stamp(); |
|
a62d332029cf
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
1692
diff
changeset
|
2338 xtty->end_elem(); |
| 1202 | 2339 } |
| 10405 | 2340 |
| 2341 CodeCache::report_codemem_full(); | |
| 2342 | |
|
1578
ca3dceda776c
6930994: Code cache is full warning should be visible in product
never
parents:
1538
diff
changeset
|
2343 #ifndef PRODUCT |
| 1202 | 2344 if (CompileTheWorld || ExitOnFullCodeCache) { |
|
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|
2345 codecache_print(/* detailed= */ true); |
| 1202 | 2346 before_exit(JavaThread::current()); |
| 2347 exit_globals(); // will delete tty | |
| 2348 vm_direct_exit(CompileTheWorld ? 0 : 1); | |
| 2349 } | |
|
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|
2350 #endif |
| 1202 | 2351 if (UseCodeCacheFlushing) { |
|
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|
2352 // Since code cache is full, immediately stop new compiles |
|
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|
2353 if (CompileBroker::set_should_compile_new_jobs(CompileBroker::stop_compilation)) { |
|
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|
2354 NMethodSweeper::log_sweep("disable_compiler"); |
|
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|
2355 } |
|
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|
2356 // Switch to 'vm_state'. This ensures that possibly_sweep() can be called |
|
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|
2357 // without having to consider the state in which the current thread is. |
|
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|
2358 ThreadInVMfromUnknown in_vm; |
|
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|
2359 NMethodSweeper::possibly_sweep(); |
| 1202 | 2360 } else { |
|
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diff
changeset
|
2361 disable_compilation_forever(); |
| 1202 | 2362 } |
|
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|
2363 |
|
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|
2364 // Print warning only once |
|
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|
2365 if (should_print_compiler_warning()) { |
|
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|
2366 warning("CodeCache is full. Compiler has been disabled."); |
|
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|
2367 warning("Try increasing the code cache size using -XX:ReservedCodeCacheSize="); |
|
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|
2368 codecache_print(/* detailed= */ true); |
|
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|
2369 } |
| 1202 | 2370 } |
| 2371 } | |
| 2372 | |
| 2373 // ------------------------------------------------------------------ | |
| 0 | 2374 // CompileBroker::set_last_compile |
| 2375 // | |
| 2376 // Record this compilation for debugging purposes. | |
| 2377 void CompileBroker::set_last_compile(CompilerThread* thread, methodHandle method, bool is_osr, int comp_level) { | |
| 2378 ResourceMark rm; | |
| 2379 char* method_name = method->name()->as_C_string(); | |
| 2380 strncpy(_last_method_compiled, method_name, CompileBroker::name_buffer_length); | |
| 17567 | 2381 _last_method_compiled[CompileBroker::name_buffer_length - 1] = '\0'; // ensure null terminated |
| 0 | 2382 char current_method[CompilerCounters::cmname_buffer_length]; |
| 2383 size_t maxLen = CompilerCounters::cmname_buffer_length; | |
| 2384 | |
| 2385 if (UsePerfData) { | |
|
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|
2386 const char* class_name = method->method_holder()->name()->as_C_string(); |
| 0 | 2387 |
| 2388 size_t s1len = strlen(class_name); | |
| 2389 size_t s2len = strlen(method_name); | |
| 2390 | |
| 2391 // check if we need to truncate the string | |
| 2392 if (s1len + s2len + 2 > maxLen) { | |
| 2393 | |
| 2394 // the strategy is to lop off the leading characters of the | |
| 2395 // class name and the trailing characters of the method name. | |
| 2396 | |
| 2397 if (s2len + 2 > maxLen) { | |
| 2398 // lop of the entire class name string, let snprintf handle | |
| 2399 // truncation of the method name. | |
| 2400 class_name += s1len; // null string | |
| 2401 } | |
| 2402 else { | |
| 2403 // lop off the extra characters from the front of the class name | |
| 2404 class_name += ((s1len + s2len + 2) - maxLen); | |
| 2405 } | |
| 2406 } | |
| 2407 | |
| 2408 jio_snprintf(current_method, maxLen, "%s %s", class_name, method_name); | |
| 2409 } | |
| 2410 | |
| 2411 if (CICountOSR && is_osr) { | |
| 2412 _last_compile_type = osr_compile; | |
| 2413 } else { | |
| 2414 _last_compile_type = normal_compile; | |
| 2415 } | |
| 2416 _last_compile_level = comp_level; | |
| 2417 | |
| 2418 if (UsePerfData) { | |
| 2419 CompilerCounters* counters = thread->counters(); | |
| 2420 counters->set_current_method(current_method); | |
| 2421 counters->set_compile_type((jlong)_last_compile_type); | |
| 2422 } | |
| 2423 } | |
| 2424 | |
| 2425 | |
| 2426 // ------------------------------------------------------------------ | |
| 2427 // CompileBroker::push_jni_handle_block | |
| 2428 // | |
| 2429 // Push on a new block of JNI handles. | |
| 2430 void CompileBroker::push_jni_handle_block() { | |
| 2431 JavaThread* thread = JavaThread::current(); | |
| 2432 | |
| 2433 // Allocate a new block for JNI handles. | |
| 2434 // Inlined code from jni_PushLocalFrame() | |
| 2435 JNIHandleBlock* java_handles = thread->active_handles(); | |
| 2436 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); | |
| 2437 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); | |
| 2438 compile_handles->set_pop_frame_link(java_handles); // make sure java handles get gc'd. | |
| 2439 thread->set_active_handles(compile_handles); | |
| 2440 } | |
| 2441 | |
| 2442 | |
| 2443 // ------------------------------------------------------------------ | |
| 2444 // CompileBroker::pop_jni_handle_block | |
| 2445 // | |
| 2446 // Pop off the current block of JNI handles. | |
| 2447 void CompileBroker::pop_jni_handle_block() { | |
| 2448 JavaThread* thread = JavaThread::current(); | |
| 2449 | |
| 2450 // Release our JNI handle block | |
| 2451 JNIHandleBlock* compile_handles = thread->active_handles(); | |
| 2452 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); | |
| 2453 thread->set_active_handles(java_handles); | |
| 2454 compile_handles->set_pop_frame_link(NULL); | |
| 2455 JNIHandleBlock::release_block(compile_handles, thread); // may block | |
| 2456 } | |
| 2457 | |
| 2458 | |
| 2459 // ------------------------------------------------------------------ | |
| 2460 // CompileBroker::check_break_at | |
| 2461 // | |
| 2462 // Should the compilation break at the current compilation. | |
| 2463 bool CompileBroker::check_break_at(methodHandle method, int compile_id, bool is_osr) { | |
| 2464 if (CICountOSR && is_osr && (compile_id == CIBreakAtOSR)) { | |
| 2465 return true; | |
| 2466 } else if( CompilerOracle::should_break_at(method) ) { // break when compiling | |
| 2467 return true; | |
| 2468 } else { | |
| 2469 return (compile_id == CIBreakAt); | |
| 2470 } | |
| 2471 } | |
| 2472 | |
| 2473 // ------------------------------------------------------------------ | |
| 2474 // CompileBroker::collect_statistics | |
| 2475 // | |
| 2476 // Collect statistics about the compilation. | |
| 2477 | |
| 2478 void CompileBroker::collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task) { | |
| 2479 bool success = task->is_success(); | |
|
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|
2480 methodHandle method (thread, task->method()); |
| 0 | 2481 uint compile_id = task->compile_id(); |
| 2482 bool is_osr = (task->osr_bci() != standard_entry_bci); | |
| 2483 nmethod* code = task->code(); | |
| 2484 CompilerCounters* counters = thread->counters(); | |
| 2485 | |
| 2486 assert(code == NULL || code->is_locked_by_vm(), "will survive the MutexLocker"); | |
| 2487 MutexLocker locker(CompileStatistics_lock); | |
| 2488 | |
| 2489 // _perf variables are production performance counters which are | |
| 2490 // updated regardless of the setting of the CITime and CITimeEach flags | |
| 2491 // | |
| 2492 if (!success) { | |
| 2493 _total_bailout_count++; | |
| 2494 if (UsePerfData) { | |
| 2495 _perf_last_failed_method->set_value(counters->current_method()); | |
| 2496 _perf_last_failed_type->set_value(counters->compile_type()); | |
| 2497 _perf_total_bailout_count->inc(); | |
| 2498 } | |
| 2499 } else if (code == NULL) { | |
| 2500 if (UsePerfData) { | |
| 2501 _perf_last_invalidated_method->set_value(counters->current_method()); | |
| 2502 _perf_last_invalidated_type->set_value(counters->compile_type()); | |
| 2503 _perf_total_invalidated_count->inc(); | |
| 2504 } | |
| 2505 _total_invalidated_count++; | |
| 2506 } else { | |
| 2507 // Compilation succeeded | |
| 2508 | |
| 2509 // update compilation ticks - used by the implementation of | |
| 2510 // java.lang.management.CompilationMBean | |
| 2511 _perf_total_compilation->inc(time.ticks()); | |
| 2512 | |
| 10405 | 2513 _t_total_compilation.add(time); |
| 2514 _peak_compilation_time = time.milliseconds() > _peak_compilation_time ? time.milliseconds() : _peak_compilation_time; | |
| 2515 | |
| 0 | 2516 if (CITime) { |
|
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Doug Simon <doug.simon@oracle.com>
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12356
diff
changeset
|
2517 int bytes_compiled = method->code_size() + task->num_inlined_bytecodes(); |
|
21559
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recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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21527
diff
changeset
|
2518 JVMCI_ONLY(CompilerStatistics* stats = compiler(task->comp_level())->stats();) |
| 0 | 2519 if (is_osr) { |
| 2520 _t_osr_compilation.add(time); | |
|
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Doug Simon <doug.simon@oracle.com>
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diff
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|
2521 _sum_osr_bytes_compiled += bytes_compiled; |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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21527
diff
changeset
|
2522 JVMCI_ONLY(stats->_osr.update(time, bytes_compiled);) |
| 0 | 2523 } else { |
| 2524 _t_standard_compilation.add(time); | |
| 2525 _sum_standard_bytes_compiled += method->code_size() + task->num_inlined_bytecodes(); | |
|
21559
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recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
2526 JVMCI_ONLY(stats->_standard.update(time, bytes_compiled);) |
| 0 | 2527 } |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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21527
diff
changeset
|
2528 JVMCI_ONLY(stats->_nmethods_size += code->total_size();) |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
2529 JVMCI_ONLY(stats->_nmethods_code_size += code->insts_size();) |
| 0 | 2530 } |
| 2531 | |
| 2532 if (UsePerfData) { | |
| 2533 // save the name of the last method compiled | |
| 2534 _perf_last_method->set_value(counters->current_method()); | |
| 2535 _perf_last_compile_type->set_value(counters->compile_type()); | |
| 2536 _perf_last_compile_size->set_value(method->code_size() + | |
| 2537 task->num_inlined_bytecodes()); | |
| 2538 if (is_osr) { | |
| 2539 _perf_osr_compilation->inc(time.ticks()); | |
| 2540 _perf_sum_osr_bytes_compiled->inc(method->code_size() + task->num_inlined_bytecodes()); | |
| 2541 } else { | |
| 2542 _perf_standard_compilation->inc(time.ticks()); | |
| 2543 _perf_sum_standard_bytes_compiled->inc(method->code_size() + task->num_inlined_bytecodes()); | |
| 2544 } | |
| 2545 } | |
| 2546 | |
| 2547 if (CITimeEach) { | |
| 2548 float bytes_per_sec = 1.0 * (method->code_size() + task->num_inlined_bytecodes()) / time.seconds(); | |
| 2549 tty->print_cr("%3d seconds: %f bytes/sec : %f (bytes %d + %d inlined)", | |
| 2550 compile_id, time.seconds(), bytes_per_sec, method->code_size(), task->num_inlined_bytecodes()); | |
| 2551 } | |
| 2552 | |
| 2553 // Collect counts of successful compilations | |
| 1748 | 2554 _sum_nmethod_size += code->total_size(); |
| 2555 _sum_nmethod_code_size += code->insts_size(); | |
| 0 | 2556 _total_compile_count++; |
| 2557 | |
| 2558 if (UsePerfData) { | |
| 1748 | 2559 _perf_sum_nmethod_size->inc( code->total_size()); |
| 2560 _perf_sum_nmethod_code_size->inc(code->insts_size()); | |
| 0 | 2561 _perf_total_compile_count->inc(); |
| 2562 } | |
| 2563 | |
| 2564 if (is_osr) { | |
| 2565 if (UsePerfData) _perf_total_osr_compile_count->inc(); | |
| 2566 _total_osr_compile_count++; | |
| 2567 } else { | |
| 2568 if (UsePerfData) _perf_total_standard_compile_count->inc(); | |
| 2569 _total_standard_compile_count++; | |
| 2570 } | |
| 2571 } | |
| 2572 // set the current method for the thread to null | |
| 2573 if (UsePerfData) counters->set_current_method(""); | |
| 2574 } | |
| 2575 | |
|
8771
75a28f465a12
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diff
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|
2576 const char* CompileBroker::compiler_name(int comp_level) { |
|
75a28f465a12
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diff
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|
2577 AbstractCompiler *comp = CompileBroker::compiler(comp_level); |
|
75a28f465a12
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diff
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|
2578 if (comp == NULL) { |
|
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diff
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|
2579 return "no compiler"; |
|
75a28f465a12
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diff
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|
2580 } else { |
|
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diff
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|
2581 return (comp->name()); |
|
75a28f465a12
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|
2582 } |
|
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|
2583 } |
| 0 | 2584 |
| 22298 | 2585 #if INCLUDE_JVMCI |
|
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|
2586 void CompileBroker::print_times(AbstractCompiler* comp) { |
|
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|
2587 CompilerStatistics* stats = comp->stats(); |
|
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|
2588 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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|
2589 comp->name(), stats->bytes_per_second(), |
|
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|
2590 stats->_standard._time.seconds(), stats->_standard._bytes, stats->_standard._count, |
|
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|
2591 stats->_osr._time.seconds(), stats->_osr._bytes, stats->_osr._count, |
|
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|
2592 stats->_nmethods_size, stats->_nmethods_code_size); |
|
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17166
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|
2593 comp->print_timers(); |
|
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|
2594 } |
|
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|
2595 #endif |
|
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|
2596 |
|
13364
5a4293f24642
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|
2597 void CompileBroker::print_times(bool per_compiler, bool aggregate) { |
| 22298 | 2598 #if INCLUDE_JVMCI |
|
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|
2599 elapsedTimer standard_compilation; |
|
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|
2600 elapsedTimer total_compilation; |
|
f6c511451e4a
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|
2601 elapsedTimer osr_compilation; |
|
f6c511451e4a
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2602 |
|
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|
2603 int standard_bytes_compiled = 0; |
|
f6c511451e4a
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|
2604 int osr_bytes_compiled = 0; |
|
f6c511451e4a
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|
2605 |
|
f6c511451e4a
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|
2606 int standard_compile_count = 0; |
|
f6c511451e4a
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|
2607 int osr_compile_count = 0; |
|
f6c511451e4a
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|
2608 int total_compile_count = 0; |
|
f6c511451e4a
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|
2609 |
|
f6c511451e4a
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|
2610 int nmethods_size = 0; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2611 int nmethods_code_size = 0; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2612 bool printedHeader = false; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2613 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2614 for (unsigned int i = 0; i < sizeof(_compilers) / sizeof(AbstractCompiler*); i++) { |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2615 AbstractCompiler* comp = _compilers[i]; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2616 if (comp != NULL) { |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2617 if (per_compiler && aggregate && !printedHeader) { |
|
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>
parents:
12356
diff
changeset
|
2618 printedHeader = true; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2619 tty->cr(); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2620 tty->print_cr("Individual compiler times (for compiled methods only)"); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2621 tty->print_cr("------------------------------------------------"); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2622 tty->cr(); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2623 } |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2624 CompilerStatistics* stats = comp->stats(); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2625 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2626 standard_compilation.add(stats->_standard._time); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2627 osr_compilation.add(stats->_osr._time); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2628 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2629 standard_bytes_compiled += stats->_standard._bytes; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2630 osr_bytes_compiled += stats->_osr._bytes; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2631 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2632 standard_compile_count += stats->_standard._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>
parents:
12356
diff
changeset
|
2633 osr_compile_count += stats->_osr._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>
parents:
12356
diff
changeset
|
2634 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2635 nmethods_size += stats->_nmethods_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>
parents:
12356
diff
changeset
|
2636 nmethods_code_size += stats->_nmethods_code_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>
parents:
12356
diff
changeset
|
2637 |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2638 if (per_compiler) { |
|
16006
66a9286203a2
decoupled Graal runtime initialization and Graal compilation queue initialization
Doug Simon <doug.simon@oracle.com>
parents:
15494
diff
changeset
|
2639 print_times(comp); |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2640 } |
|
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>
parents:
12356
diff
changeset
|
2641 } |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2642 } |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
2643 total_compile_count = osr_compile_count + standard_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>
parents:
12356
diff
changeset
|
2644 total_compilation.add(osr_compilation); |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2645 total_compilation.add(standard_compilation); |
|
18171
9bb816169777
Report code install timer in hosted mode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18125
diff
changeset
|
2646 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2647 #ifndef COMPILERJVMCI |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2648 // In hosted mode, print the JVMCI compiler specific counters manually. |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2649 JVMCICompiler::print_compilation_timers(); |
|
18171
9bb816169777
Report code install timer in hosted mode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18125
diff
changeset
|
2650 #endif |
|
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>
parents:
12356
diff
changeset
|
2651 #else |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2652 elapsedTimer standard_compilation = CompileBroker::_t_standard_compilation; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2653 elapsedTimer osr_compilation = CompileBroker::_t_osr_compilation; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2654 elapsedTimer total_compilation = CompileBroker::_t_total_compilation; |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2655 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2656 int standard_bytes_compiled = CompileBroker::_sum_standard_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>
parents:
12356
diff
changeset
|
2657 int osr_bytes_compiled = CompileBroker::_sum_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>
parents:
12356
diff
changeset
|
2658 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2659 int standard_compile_count = CompileBroker::_total_standard_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>
parents:
12356
diff
changeset
|
2660 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>
parents:
12356
diff
changeset
|
2661 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2662 |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2663 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2664 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>
parents:
12356
diff
changeset
|
2665 #endif |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2666 |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2667 if (!aggregate) { |
|
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2668 return; |
|
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2669 } |
| 0 | 2670 tty->cr(); |
| 2671 tty->print_cr("Accumulated compiler times (for compiled methods only)"); | |
| 2672 tty->print_cr("------------------------------------------------"); | |
| 2673 //0000000000111111111122222222223333333333444444444455555555556666666666 | |
| 2674 //0123456789012345678901234567890123456789012345678901234567890123456789 | |
|
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>
parents:
12356
diff
changeset
|
2675 tty->print_cr(" Total compilation time : %6.3f s", total_compilation.seconds()); |
| 0 | 2676 tty->print_cr(" Standard compilation : %6.3f s, Average : %2.3f", |
|
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>
parents:
12356
diff
changeset
|
2677 standard_compilation.seconds(), |
|
f6c511451e4a
made Graal report its compilation info under -XX:+CITime in the same format as c1 and c2
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2678 standard_compilation.seconds() / standard_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>
parents:
12356
diff
changeset
|
2679 tty->print_cr(" On stack replacement : %6.3f s, Average : %2.3f", osr_compilation.seconds(), osr_compilation.seconds() / osr_compile_count); |
| 1131 | 2680 |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2681 AbstractCompiler *comp = compiler(CompLevel_simple); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2682 if (comp != NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2683 comp->print_timers(); |
| 0 | 2684 } |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2685 comp = compiler(CompLevel_full_optimization); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2686 if (comp != NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2687 comp->print_timers(); |
| 1783 | 2688 } |
| 0 | 2689 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>
parents:
12356
diff
changeset
|
2690 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2691 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2692 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2693 int tcb = osr_bytes_compiled + standard_bytes_compiled; |
| 0 | 2694 tty->print_cr(" Total compiled bytecodes : %6d bytes", tcb); |
|
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>
parents:
12356
diff
changeset
|
2695 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2696 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>
parents:
12356
diff
changeset
|
2697 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
|
2698 int bps = tcs == 0.0 ? 0 : (int)(tcb / tcs); |
| 0 | 2699 tty->print_cr(" Average compilation speed: %6d bytes/s", bps); |
| 2700 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>
parents:
12356
diff
changeset
|
2701 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
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
2702 tty->print_cr(" nmethod total size : %6d bytes", nmethods_size); |
| 0 | 2703 } |
| 2704 | |
| 2705 // Debugging output for failure | |
| 2706 void CompileBroker::print_last_compile() { | |
| 2707 if ( _last_compile_level != CompLevel_none && | |
| 2708 compiler(_last_compile_level) != NULL && | |
| 2709 _last_method_compiled != NULL && | |
| 2710 _last_compile_type != no_compile) { | |
| 2711 if (_last_compile_type == osr_compile) { | |
| 2712 tty->print_cr("Last parse: [osr]%d+++(%d) %s", | |
| 2713 _osr_compilation_id, _last_compile_level, _last_method_compiled); | |
| 2714 } else { | |
| 2715 tty->print_cr("Last parse: %d+++(%d) %s", | |
| 2716 _compilation_id, _last_compile_level, _last_method_compiled); | |
| 2717 } | |
| 2718 } | |
| 2719 } | |
| 2720 | |
| 2721 | |
| 2722 void CompileBroker::print_compiler_threads_on(outputStream* st) { | |
| 2723 #ifndef PRODUCT | |
| 2724 st->print_cr("Compiler thread printing unimplemented."); | |
| 2725 st->cr(); | |
| 2726 #endif | |
| 2727 } |