Mercurial > hg > graal-jvmci-8
annotate src/share/vm/compiler/compileBroker.cpp @ 22714:9b3b66634d17
use timeout for JVMCI blocking compilation to avoid deadlock between compiler and app thread that submitted the blocking compilation
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Sun, 01 Nov 2015 21:43:49 +0100 |
| parents | cfd7ebda543b |
| children | 44bc739eae23 |
| 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 #ifdef COMPILERJVMCI |
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55 #include "jvmci/jvmciRuntime.hpp" |
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56 #include "runtime/vframe.hpp" |
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57 #endif |
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58 #endif |
| 1972 | 59 #ifdef COMPILER2 |
| 60 #include "opto/c2compiler.hpp" | |
| 61 #endif | |
| 62 #ifdef SHARK | |
| 63 #include "shark/sharkCompiler.hpp" | |
| 64 #endif | |
| 0 | 65 |
| 66 #ifdef DTRACE_ENABLED | |
| 67 | |
| 68 // Only bother with this argument setup if dtrace is available | |
| 69 | |
| 4006 | 70 #ifndef USDT2 |
| 0 | 71 HS_DTRACE_PROBE_DECL8(hotspot, method__compile__begin, |
| 72 char*, intptr_t, char*, intptr_t, char*, intptr_t, char*, intptr_t); | |
| 73 HS_DTRACE_PROBE_DECL9(hotspot, method__compile__end, | |
| 74 char*, intptr_t, char*, intptr_t, char*, intptr_t, char*, intptr_t, bool); | |
| 75 | |
|
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76 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) \ |
| 0 | 77 { \ |
|
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78 Symbol* klass_name = (method)->klass_name(); \ |
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79 Symbol* name = (method)->name(); \ |
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80 Symbol* signature = (method)->signature(); \ |
| 0 | 81 HS_DTRACE_PROBE8(hotspot, method__compile__begin, \ |
| 82 comp_name, strlen(comp_name), \ | |
| 83 klass_name->bytes(), klass_name->utf8_length(), \ | |
| 84 name->bytes(), name->utf8_length(), \ | |
| 85 signature->bytes(), signature->utf8_length()); \ | |
| 86 } | |
| 87 | |
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88 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) \ |
| 0 | 89 { \ |
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90 Symbol* klass_name = (method)->klass_name(); \ |
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91 Symbol* name = (method)->name(); \ |
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92 Symbol* signature = (method)->signature(); \ |
| 0 | 93 HS_DTRACE_PROBE9(hotspot, method__compile__end, \ |
| 94 comp_name, strlen(comp_name), \ | |
| 95 klass_name->bytes(), klass_name->utf8_length(), \ | |
| 96 name->bytes(), name->utf8_length(), \ | |
| 97 signature->bytes(), signature->utf8_length(), (success)); \ | |
| 98 } | |
| 99 | |
| 4006 | 100 #else /* USDT2 */ |
| 101 | |
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102 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) \ |
| 4006 | 103 { \ |
| 104 Symbol* klass_name = (method)->klass_name(); \ | |
| 105 Symbol* name = (method)->name(); \ | |
| 106 Symbol* signature = (method)->signature(); \ | |
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107 HOTSPOT_METHOD_COMPILE_BEGIN( \ |
| 4006 | 108 comp_name, strlen(comp_name), \ |
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109 (char *) klass_name->bytes(), klass_name->utf8_length(), \ |
| 4006 | 110 (char *) name->bytes(), name->utf8_length(), \ |
| 111 (char *) signature->bytes(), signature->utf8_length()); \ | |
| 112 } | |
| 113 | |
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114 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) \ |
| 4006 | 115 { \ |
| 116 Symbol* klass_name = (method)->klass_name(); \ | |
| 117 Symbol* name = (method)->name(); \ | |
| 118 Symbol* signature = (method)->signature(); \ | |
| 119 HOTSPOT_METHOD_COMPILE_END( \ | |
| 120 comp_name, strlen(comp_name), \ | |
| 121 (char *) klass_name->bytes(), klass_name->utf8_length(), \ | |
| 122 (char *) name->bytes(), name->utf8_length(), \ | |
| 123 (char *) signature->bytes(), signature->utf8_length(), (success)); \ | |
| 124 } | |
| 125 #endif /* USDT2 */ | |
| 126 | |
| 0 | 127 #else // ndef DTRACE_ENABLED |
| 128 | |
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129 #define DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, comp_name) |
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130 #define DTRACE_METHOD_COMPILE_END_PROBE(method, comp_name, success) |
| 0 | 131 |
| 132 #endif // ndef DTRACE_ENABLED | |
| 133 | |
| 134 bool CompileBroker::_initialized = false; | |
| 135 volatile bool CompileBroker::_should_block = false; | |
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136 volatile jint CompileBroker::_print_compilation_warning = 0; |
| 1202 | 137 volatile jint CompileBroker::_should_compile_new_jobs = run_compilation; |
| 0 | 138 |
| 139 // The installed compiler(s) | |
| 140 AbstractCompiler* CompileBroker::_compilers[2]; | |
| 141 | |
| 14236 | 142 // These counters are used to assign an unique ID to each compilation. |
| 143 volatile jint CompileBroker::_compilation_id = 0; | |
| 144 volatile jint CompileBroker::_osr_compilation_id = 0; | |
| 0 | 145 |
| 146 // Debugging information | |
| 147 int CompileBroker::_last_compile_type = no_compile; | |
| 148 int CompileBroker::_last_compile_level = CompLevel_none; | |
| 149 char CompileBroker::_last_method_compiled[CompileBroker::name_buffer_length]; | |
| 150 | |
| 151 // Performance counters | |
| 152 PerfCounter* CompileBroker::_perf_total_compilation = NULL; | |
| 153 PerfCounter* CompileBroker::_perf_osr_compilation = NULL; | |
| 154 PerfCounter* CompileBroker::_perf_standard_compilation = NULL; | |
| 155 | |
| 156 PerfCounter* CompileBroker::_perf_total_bailout_count = NULL; | |
| 157 PerfCounter* CompileBroker::_perf_total_invalidated_count = NULL; | |
| 158 PerfCounter* CompileBroker::_perf_total_compile_count = NULL; | |
| 159 PerfCounter* CompileBroker::_perf_total_osr_compile_count = NULL; | |
| 160 PerfCounter* CompileBroker::_perf_total_standard_compile_count = NULL; | |
| 161 | |
| 162 PerfCounter* CompileBroker::_perf_sum_osr_bytes_compiled = NULL; | |
| 163 PerfCounter* CompileBroker::_perf_sum_standard_bytes_compiled = NULL; | |
| 164 PerfCounter* CompileBroker::_perf_sum_nmethod_size = NULL; | |
| 165 PerfCounter* CompileBroker::_perf_sum_nmethod_code_size = NULL; | |
| 166 | |
| 167 PerfStringVariable* CompileBroker::_perf_last_method = NULL; | |
| 168 PerfStringVariable* CompileBroker::_perf_last_failed_method = NULL; | |
| 169 PerfStringVariable* CompileBroker::_perf_last_invalidated_method = NULL; | |
| 170 PerfVariable* CompileBroker::_perf_last_compile_type = NULL; | |
| 171 PerfVariable* CompileBroker::_perf_last_compile_size = NULL; | |
| 172 PerfVariable* CompileBroker::_perf_last_failed_type = NULL; | |
| 173 PerfVariable* CompileBroker::_perf_last_invalidated_type = NULL; | |
| 174 | |
| 175 // Timers and counters for generating statistics | |
| 176 elapsedTimer CompileBroker::_t_total_compilation; | |
| 177 elapsedTimer CompileBroker::_t_osr_compilation; | |
| 178 elapsedTimer CompileBroker::_t_standard_compilation; | |
| 179 | |
| 180 int CompileBroker::_total_bailout_count = 0; | |
| 181 int CompileBroker::_total_invalidated_count = 0; | |
| 182 int CompileBroker::_total_compile_count = 0; | |
| 183 int CompileBroker::_total_osr_compile_count = 0; | |
| 184 int CompileBroker::_total_standard_compile_count = 0; | |
| 185 | |
| 186 int CompileBroker::_sum_osr_bytes_compiled = 0; | |
| 187 int CompileBroker::_sum_standard_bytes_compiled = 0; | |
| 188 int CompileBroker::_sum_nmethod_size = 0; | |
| 189 int CompileBroker::_sum_nmethod_code_size = 0; | |
| 190 | |
| 10405 | 191 long CompileBroker::_peak_compilation_time = 0; |
| 192 | |
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193 CompileQueue* CompileBroker::_c2_compile_queue = NULL; |
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194 CompileQueue* CompileBroker::_c1_compile_queue = NULL; |
| 0 | 195 |
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196 GrowableArray<CompilerThread*>* CompileBroker::_compiler_threads = NULL; |
| 0 | 197 |
| 198 | |
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199 class CompilationLog : public StringEventLog { |
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200 public: |
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201 CompilationLog() : StringEventLog("Compilation events") { |
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202 } |
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203 |
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204 void log_compile(JavaThread* thread, CompileTask* task) { |
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205 StringLogMessage lm; |
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206 stringStream sstr = lm.stream(); |
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207 // msg.time_stamp().update_to(tty->time_stamp().ticks()); |
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208 task->print_compilation(&sstr, NULL, true); |
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209 log(thread, "%s", (const char*)lm); |
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210 } |
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211 |
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212 void log_nmethod(JavaThread* thread, nmethod* nm) { |
| 4944 | 213 log(thread, "nmethod %d%s " INTPTR_FORMAT " code ["INTPTR_FORMAT ", " INTPTR_FORMAT "]", |
| 214 nm->compile_id(), nm->is_osr_method() ? "%" : "", | |
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215 p2i(nm), p2i(nm->code_begin()), p2i(nm->code_end())); |
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216 } |
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217 |
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218 void log_failure(JavaThread* thread, CompileTask* task, const char* reason, const char* retry_message) { |
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219 StringLogMessage lm; |
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220 lm.print("%4d COMPILE SKIPPED: %s", task->compile_id(), reason); |
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221 if (retry_message != NULL) { |
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222 lm.append(" (%s)", retry_message); |
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223 } |
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224 lm.print("\n"); |
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225 log(thread, "%s", (const char*)lm); |
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226 } |
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227 }; |
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228 |
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229 static CompilationLog* _compilation_log = NULL; |
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230 |
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231 void compileBroker_init() { |
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232 if (LogEvents) { |
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233 _compilation_log = new CompilationLog(); |
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234 } |
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235 } |
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236 |
| 0 | 237 CompileTaskWrapper::CompileTaskWrapper(CompileTask* task) { |
| 238 CompilerThread* thread = CompilerThread::current(); | |
| 239 thread->set_task(task); | |
| 240 CompileLog* log = thread->log(); | |
| 241 if (log != NULL) task->log_task_start(log); | |
| 242 } | |
| 243 | |
| 244 CompileTaskWrapper::~CompileTaskWrapper() { | |
| 245 CompilerThread* thread = CompilerThread::current(); | |
| 246 CompileTask* task = thread->task(); | |
| 247 CompileLog* log = thread->log(); | |
| 248 if (log != NULL) task->log_task_done(log); | |
| 249 thread->set_task(NULL); | |
| 250 task->set_code_handle(NULL); | |
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251 thread->set_env(NULL); |
| 0 | 252 if (task->is_blocking()) { |
| 253 MutexLocker notifier(task->lock(), thread); | |
| 254 task->mark_complete(); | |
| 255 // Notify the waiting thread that the compilation has completed. | |
| 256 task->lock()->notify_all(); | |
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257 #ifdef COMPILERJVMCI |
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258 if (CompileBroker::compiler(task->comp_level())->is_jvmci()) { |
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259 // Blocking JVMCI compilations are performed with a timeout so as |
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260 // to avoid deadlock between an application thread and a JVMCI |
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261 // compiler thread (both of which execute Java code). In this case, |
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262 // the compiling thread recycles the CompileTask. |
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263 CompileTask::free(task); |
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264 } |
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265 #endif |
| 0 | 266 } else { |
| 267 task->mark_complete(); | |
| 268 | |
| 269 // By convention, the compiling thread is responsible for | |
| 270 // recycling a non-blocking CompileTask. | |
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271 CompileTask::free(task); |
| 0 | 272 } |
| 273 } | |
| 274 | |
| 275 | |
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276 CompileTask* CompileTask::_task_free_list = NULL; |
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277 #ifdef ASSERT |
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278 int CompileTask::_num_allocated_tasks = 0; |
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279 #endif |
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280 /** |
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281 * Allocate a CompileTask, from the free list if possible. |
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282 */ |
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283 CompileTask* CompileTask::allocate() { |
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284 MutexLocker locker(CompileTaskAlloc_lock); |
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285 CompileTask* task = NULL; |
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286 |
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287 if (_task_free_list != NULL) { |
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288 task = _task_free_list; |
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289 _task_free_list = task->next(); |
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290 task->set_next(NULL); |
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291 } else { |
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292 task = new CompileTask(); |
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293 DEBUG_ONLY(_num_allocated_tasks++;) |
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294 assert (_num_allocated_tasks < 10000, "Leaking compilation tasks?"); |
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295 task->set_next(NULL); |
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296 task->set_is_free(true); |
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297 } |
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298 assert(task->is_free(), "Task must be free."); |
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299 task->set_is_free(false); |
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300 return task; |
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301 } |
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302 |
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303 |
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304 /** |
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305 * Add a task to the free list. |
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306 */ |
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307 void CompileTask::free(CompileTask* task) { |
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308 MutexLocker locker(CompileTaskAlloc_lock); |
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309 if (!task->is_free()) { |
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310 task->set_code(NULL); |
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311 assert(!task->lock()->is_locked(), "Should not be locked when freed"); |
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312 JNIHandles::destroy_global(task->_method_holder); |
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313 JNIHandles::destroy_global(task->_hot_method_holder); |
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314 |
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315 task->set_is_free(true); |
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316 task->set_next(_task_free_list); |
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317 _task_free_list = task; |
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318 } |
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319 } |
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320 |
| 0 | 321 void CompileTask::initialize(int compile_id, |
| 322 methodHandle method, | |
| 323 int osr_bci, | |
| 324 int comp_level, | |
| 325 methodHandle hot_method, | |
| 326 int hot_count, | |
| 327 const char* comment, | |
| 328 bool is_blocking) { | |
| 329 assert(!_lock->is_locked(), "bad locking"); | |
| 330 | |
| 331 _compile_id = compile_id; | |
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332 _method = method(); |
| 7409 | 333 _method_holder = JNIHandles::make_global(method->method_holder()->klass_holder()); |
| 0 | 334 _osr_bci = osr_bci; |
| 335 _is_blocking = is_blocking; | |
| 336 _comp_level = comp_level; | |
| 337 _num_inlined_bytecodes = 0; | |
| 338 | |
| 339 _is_complete = false; | |
| 340 _is_success = false; | |
| 341 _code_handle = NULL; | |
| 342 | |
| 343 _hot_method = NULL; | |
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344 _hot_method_holder = NULL; |
| 0 | 345 _hot_count = hot_count; |
| 346 _time_queued = 0; // tidy | |
| 347 _comment = comment; | |
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348 _failure_reason = NULL; |
| 0 | 349 |
| 350 if (LogCompilation) { | |
| 351 _time_queued = os::elapsed_counter(); | |
| 352 if (hot_method.not_null()) { | |
| 353 if (hot_method == method) { | |
| 354 _hot_method = _method; | |
| 355 } else { | |
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356 _hot_method = hot_method(); |
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357 // only add loader or mirror if different from _method_holder |
| 7409 | 358 _hot_method_holder = JNIHandles::make_global(hot_method->method_holder()->klass_holder()); |
| 0 | 359 } |
| 360 } | |
| 361 } | |
| 362 | |
| 363 _next = NULL; | |
| 364 } | |
| 365 | |
| 366 // ------------------------------------------------------------------ | |
| 367 // CompileTask::code/set_code | |
| 368 nmethod* CompileTask::code() const { | |
| 369 if (_code_handle == NULL) return NULL; | |
| 370 return _code_handle->code(); | |
| 371 } | |
| 372 void CompileTask::set_code(nmethod* nm) { | |
| 373 if (_code_handle == NULL && nm == NULL) return; | |
| 374 guarantee(_code_handle != NULL, ""); | |
| 375 _code_handle->set_code(nm); | |
| 376 if (nm == NULL) _code_handle = NULL; // drop the handle also | |
| 377 } | |
| 378 | |
| 379 | |
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380 void CompileTask::mark_on_stack() { |
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381 // Mark these methods as something redefine classes cannot remove. |
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382 _method->set_on_stack(true); |
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383 if (_hot_method != NULL) { |
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384 _hot_method->set_on_stack(true); |
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385 } |
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386 } |
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387 |
| 0 | 388 // ------------------------------------------------------------------ |
| 389 // CompileTask::print | |
| 390 void CompileTask::print() { | |
| 391 tty->print("<CompileTask compile_id=%d ", _compile_id); | |
| 392 tty->print("method="); | |
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393 _method->print_name(tty); |
| 0 | 394 tty->print_cr(" osr_bci=%d is_blocking=%s is_complete=%s is_success=%s>", |
| 395 _osr_bci, bool_to_str(_is_blocking), | |
| 396 bool_to_str(_is_complete), bool_to_str(_is_success)); | |
| 397 } | |
| 398 | |
| 1783 | 399 |
| 0 | 400 // ------------------------------------------------------------------ |
| 401 // CompileTask::print_line_on_error | |
| 402 // | |
| 403 // This function is called by fatal error handler when the thread | |
| 404 // causing troubles is a compiler thread. | |
| 405 // | |
| 406 // Do not grab any lock, do not allocate memory. | |
| 407 // | |
| 408 // Otherwise it's the same as CompileTask::print_line() | |
| 409 // | |
| 410 void CompileTask::print_line_on_error(outputStream* st, char* buf, int buflen) { | |
| 411 // print compiler name | |
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412 st->print("%s:", CompileBroker::compiler_name(comp_level())); |
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413 print_compilation(st); |
| 0 | 414 } |
| 415 | |
| 416 // ------------------------------------------------------------------ | |
| 417 // CompileTask::print_line | |
| 418 void CompileTask::print_line() { | |
| 419 ttyLocker ttyl; // keep the following output all in one block | |
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420 print_compilation(); |
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421 } |
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422 |
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423 |
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424 // ------------------------------------------------------------------ |
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425 // CompileTask::print_compilation_impl |
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426 void CompileTask::print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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427 bool is_osr_method, int osr_bci, bool is_blocking, |
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428 const char* msg, bool short_form) { |
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429 if (!short_form) { |
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430 st->print("%7d ", (int) st->time_stamp().milliseconds()); // print timestamp |
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431 } |
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432 // print compiler name if requested |
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433 if (CIPrintCompilerName) st->print("%s:", CompileBroker::compiler_name(comp_level)); |
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434 st->print("%4d ", compile_id); // print compilation number |
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435 |
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436 // For unloaded methods the transition to zombie occurs after the |
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437 // method is cleared so it's impossible to report accurate |
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438 // information for that case. |
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439 bool is_synchronized = false; |
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440 bool has_exception_handler = false; |
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441 bool is_native = false; |
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442 if (method != NULL) { |
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443 is_synchronized = method->is_synchronized(); |
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444 has_exception_handler = method->has_exception_handler(); |
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445 is_native = method->is_native(); |
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446 } |
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447 // method attributes |
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448 const char compile_type = is_osr_method ? '%' : ' '; |
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449 const char sync_char = is_synchronized ? 's' : ' '; |
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450 const char exception_char = has_exception_handler ? '!' : ' '; |
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451 const char blocking_char = is_blocking ? 'b' : ' '; |
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452 const char native_char = is_native ? 'n' : ' '; |
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453 |
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454 // print method attributes |
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455 st->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, native_char); |
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456 |
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457 if (TieredCompilation) { |
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458 if (comp_level != -1) st->print("%d ", comp_level); |
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459 else st->print("- "); |
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460 } |
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461 st->print(" "); // more indent |
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462 |
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463 if (method == NULL) { |
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464 st->print("(method)"); |
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465 } else { |
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466 method->print_short_name(st); |
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467 if (is_osr_method) { |
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468 st->print(" @ %d", osr_bci); |
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469 } |
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470 if (method->is_native()) |
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471 st->print(" (native)"); |
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472 else |
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473 st->print(" (%d bytes)", method->code_size()); |
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474 } |
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475 |
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476 if (msg != NULL) { |
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477 st->print(" %s", msg); |
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478 } |
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479 if (!short_form) { |
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480 st->cr(); |
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481 } |
| 0 | 482 } |
| 483 | |
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484 // ------------------------------------------------------------------ |
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485 // CompileTask::print_inlining |
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486 void CompileTask::print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg) { |
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487 // 1234567 |
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488 st->print(" "); // print timestamp |
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489 // 1234 |
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490 st->print(" "); // print compilation number |
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491 |
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492 // method attributes |
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493 if (method->is_loaded()) { |
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494 const char sync_char = method->is_synchronized() ? 's' : ' '; |
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495 const char exception_char = method->has_exception_handlers() ? '!' : ' '; |
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496 const char monitors_char = method->has_monitor_bytecodes() ? 'm' : ' '; |
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497 |
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498 // print method attributes |
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499 st->print(" %c%c%c ", sync_char, exception_char, monitors_char); |
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500 } else { |
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501 // %s!bn |
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502 st->print(" "); // print method attributes |
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503 } |
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504 |
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505 if (TieredCompilation) { |
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506 st->print(" "); |
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507 } |
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508 st->print(" "); // more indent |
|
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509 st->print(" "); // initial inlining indent |
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510 |
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511 for (int i = 0; i < inline_level; i++) st->print(" "); |
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512 |
|
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513 st->print("@ %d ", bci); // print bci |
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514 method->print_short_name(st); |
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515 if (method->is_loaded()) |
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516 st->print(" (%d bytes)", method->code_size()); |
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517 else |
|
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518 st->print(" (not loaded)"); |
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519 |
|
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520 if (msg != NULL) { |
|
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521 st->print(" %s", msg); |
|
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522 } |
|
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523 st->cr(); |
|
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524 } |
|
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525 |
|
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526 // ------------------------------------------------------------------ |
|
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527 // CompileTask::print_inline_indent |
|
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528 void CompileTask::print_inline_indent(int inline_level, outputStream* st) { |
|
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529 // 1234567 |
|
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|
530 st->print(" "); // print timestamp |
|
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531 // 1234 |
|
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532 st->print(" "); // print compilation number |
|
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533 // %s!bn |
|
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534 st->print(" "); // print method attributes |
|
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535 if (TieredCompilation) { |
|
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536 st->print(" "); |
|
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537 } |
|
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538 st->print(" "); // more indent |
|
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539 st->print(" "); // initial inlining indent |
|
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540 for (int i = 0; i < inline_level; i++) st->print(" "); |
|
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|
541 } |
|
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542 |
|
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543 // ------------------------------------------------------------------ |
|
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544 // CompileTask::print_compilation |
|
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545 void CompileTask::print_compilation(outputStream* st, const char* msg, bool short_form) { |
|
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546 bool is_osr_method = osr_bci() != InvocationEntryBci; |
|
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547 print_compilation_impl(st, method(), compile_id(), comp_level(), is_osr_method, osr_bci(), is_blocking(), msg, short_form); |
|
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548 } |
| 0 | 549 |
| 550 // ------------------------------------------------------------------ | |
| 551 // CompileTask::log_task | |
| 552 void CompileTask::log_task(xmlStream* log) { | |
| 553 Thread* thread = Thread::current(); | |
|
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|
554 methodHandle method(thread, this->method()); |
| 0 | 555 ResourceMark rm(thread); |
| 556 | |
| 557 // <task id='9' method='M' osr_bci='X' level='1' blocking='1' stamp='1.234'> | |
|
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|
558 log->print(" compile_id='%d'", _compile_id); |
| 0 | 559 if (_osr_bci != CompileBroker::standard_entry_bci) { |
| 560 log->print(" compile_kind='osr'"); // same as nmethod::compile_kind | |
| 561 } // else compile_kind='c2c' | |
| 562 if (!method.is_null()) log->method(method); | |
| 563 if (_osr_bci != CompileBroker::standard_entry_bci) { | |
| 564 log->print(" osr_bci='%d'", _osr_bci); | |
| 565 } | |
|
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|
566 // Always print the level in tiered. |
|
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567 if (_comp_level != CompLevel_highest_tier || TieredCompilation) { |
| 0 | 568 log->print(" level='%d'", _comp_level); |
| 569 } | |
| 570 if (_is_blocking) { | |
| 571 log->print(" blocking='1'"); | |
| 572 } | |
| 573 log->stamp(); | |
| 574 } | |
| 575 | |
| 576 | |
| 577 // ------------------------------------------------------------------ | |
| 578 // CompileTask::log_task_queued | |
| 579 void CompileTask::log_task_queued() { | |
| 580 Thread* thread = Thread::current(); | |
| 581 ttyLocker ttyl; | |
| 582 ResourceMark rm(thread); | |
| 583 | |
| 584 xtty->begin_elem("task_queued"); | |
| 585 log_task(xtty); | |
| 586 if (_comment != NULL) { | |
| 587 xtty->print(" comment='%s'", _comment); | |
| 588 } | |
| 589 if (_hot_method != NULL) { | |
|
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590 methodHandle hot(thread, _hot_method); |
|
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591 methodHandle method(thread, _method); |
| 0 | 592 if (hot() != method()) { |
| 593 xtty->method(hot); | |
| 594 } | |
| 595 } | |
| 596 if (_hot_count != 0) { | |
| 597 xtty->print(" hot_count='%d'", _hot_count); | |
| 598 } | |
| 599 xtty->end_elem(); | |
| 600 } | |
| 601 | |
| 602 | |
| 603 // ------------------------------------------------------------------ | |
|
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604 // CompileTask::log_task_dequeued |
|
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605 void CompileTask::log_task_dequeued(const char* comment) { |
|
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|
606 if (LogCompilation && xtty != NULL) { |
|
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607 Thread* thread = Thread::current(); |
|
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608 ttyLocker ttyl; |
|
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609 ResourceMark rm(thread); |
|
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|
610 |
|
5119e7f07d93
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|
611 xtty->begin_elem("task_dequeued"); |
|
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|
612 log_task(xtty); |
|
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|
613 if (comment != NULL) { |
|
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|
614 xtty->print(" comment='%s'", comment); |
|
5119e7f07d93
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|
615 } |
|
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616 xtty->end_elem(); |
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617 } |
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618 } |
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619 |
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620 |
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621 // ------------------------------------------------------------------ |
| 0 | 622 // CompileTask::log_task_start |
| 623 void CompileTask::log_task_start(CompileLog* log) { | |
| 624 log->begin_head("task"); | |
| 625 log_task(log); | |
| 626 log->end_head(); | |
| 627 } | |
| 628 | |
| 629 | |
| 630 // ------------------------------------------------------------------ | |
| 631 // CompileTask::log_task_done | |
| 632 void CompileTask::log_task_done(CompileLog* log) { | |
| 633 Thread* thread = Thread::current(); | |
|
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634 methodHandle method(thread, this->method()); |
| 0 | 635 ResourceMark rm(thread); |
| 636 | |
|
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637 if (!_is_success) { |
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638 const char* reason = _failure_reason != NULL ? _failure_reason : "unknown"; |
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639 log->elem("failure reason='%s'", reason); |
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640 } |
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641 |
| 0 | 642 // <task_done ... stamp='1.234'> </task> |
| 643 nmethod* nm = code(); | |
| 644 log->begin_elem("task_done success='%d' nmsize='%d' count='%d'", | |
| 1748 | 645 _is_success, nm == NULL ? 0 : nm->content_size(), |
| 0 | 646 method->invocation_count()); |
| 647 int bec = method->backedge_count(); | |
| 648 if (bec != 0) log->print(" backedge_count='%d'", bec); | |
| 649 // Note: "_is_complete" is about to be set, but is not. | |
| 650 if (_num_inlined_bytecodes != 0) { | |
| 651 log->print(" inlined_bytes='%d'", _num_inlined_bytecodes); | |
| 652 } | |
| 653 log->stamp(); | |
| 654 log->end_elem(); | |
| 655 log->tail("task"); | |
| 656 log->clear_identities(); // next task will have different CI | |
| 657 if (log->unflushed_count() > 2000) { | |
| 658 log->flush(); | |
| 659 } | |
| 660 log->mark_file_end(); | |
| 661 } | |
| 662 | |
| 663 | |
| 664 | |
|
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665 /** |
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666 * Add a CompileTask to a CompileQueue |
|
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667 */ |
| 0 | 668 void CompileQueue::add(CompileTask* task) { |
| 669 assert(lock()->owned_by_self(), "must own lock"); | |
|
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670 assert(!CompileBroker::is_compilation_disabled_forever(), "Do not add task if compilation is turned off forever"); |
| 0 | 671 |
| 672 task->set_next(NULL); | |
| 1783 | 673 task->set_prev(NULL); |
| 0 | 674 |
| 675 if (_last == NULL) { | |
| 676 // The compile queue is empty. | |
| 677 assert(_first == NULL, "queue is empty"); | |
| 678 _first = task; | |
| 679 _last = task; | |
| 680 } else { | |
| 681 // Append the task to the queue. | |
| 682 assert(_last->next() == NULL, "not last"); | |
| 683 _last->set_next(task); | |
| 1783 | 684 task->set_prev(_last); |
| 0 | 685 _last = task; |
| 686 } | |
| 1783 | 687 ++_size; |
| 0 | 688 |
| 689 // Mark the method as being in the compile queue. | |
|
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690 task->method()->set_queued_for_compilation(); |
| 0 | 691 |
|
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692 NOT_PRODUCT(print();) |
| 0 | 693 |
| 694 if (LogCompilation && xtty != NULL) { | |
| 695 task->log_task_queued(); | |
| 696 } | |
| 697 | |
| 698 // Notify CompilerThreads that a task is available. | |
| 1783 | 699 lock()->notify_all(); |
| 0 | 700 } |
| 701 | |
|
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702 /** |
|
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|
703 * Empties compilation queue by putting all compilation tasks onto |
|
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704 * a freelist. Furthermore, the method wakes up all threads that are |
|
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|
705 * waiting on a compilation task to finish. This can happen if background |
|
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|
706 * compilation is disabled. |
|
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|
707 */ |
|
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|
708 void CompileQueue::free_all() { |
|
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|
709 MutexLocker mu(lock()); |
|
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changeset
|
710 CompileTask* next = _first; |
|
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changeset
|
711 |
|
c47fcf523fff
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diff
changeset
|
712 // Iterate over all tasks in the compile queue |
|
c47fcf523fff
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|
713 while (next != NULL) { |
|
c47fcf523fff
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changeset
|
714 CompileTask* current = next; |
|
c47fcf523fff
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diff
changeset
|
715 next = current->next(); |
|
20591
28051f14c328
8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
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diff
changeset
|
716 { |
|
28051f14c328
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anoll
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diff
changeset
|
717 // Wake up thread that blocks on the compile task. |
|
28051f14c328
8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
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changeset
|
718 MutexLocker ct_lock(current->lock()); |
|
28051f14c328
8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
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diff
changeset
|
719 current->lock()->notify(); |
|
28051f14c328
8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
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diff
changeset
|
720 } |
|
20590
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diff
changeset
|
721 // Put the task back on the freelist. |
|
c47fcf523fff
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diff
changeset
|
722 CompileTask::free(current); |
|
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changeset
|
723 } |
|
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c47fcf523fff
8042428: CompileQueue::free_all() code is incorrect
anoll
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diff
changeset
|
724 _first = NULL; |
|
c47fcf523fff
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diff
changeset
|
725 |
|
20588
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8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
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diff
changeset
|
726 // 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
|
727 lock()->notify_all(); |
|
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|
728 } |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
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parents:
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diff
changeset
|
729 |
| 0 | 730 // ------------------------------------------------------------------ |
| 731 // CompileQueue::get | |
| 732 // | |
| 733 // Get the next CompileTask from a CompileQueue | |
| 734 CompileTask* CompileQueue::get() { | |
|
1538
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6950075: nmethod sweeper should operate concurrently
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diff
changeset
|
735 NMethodSweeper::possibly_sweep(); |
|
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|
736 |
| 0 | 737 MutexLocker locker(lock()); |
|
12324
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8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
738 // If _first is NULL we have no more compile jobs. There are two reasons for |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
739 // having no compile jobs: First, we compiled everything we wanted. Second, |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
740 // we ran out of code cache so compilation has been disabled. In the latter |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
741 // case we perform code cache sweeps to free memory such that we can re-enable |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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12158
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changeset
|
742 // compilation. |
| 0 | 743 while (_first == NULL) { |
|
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8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
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|
744 // Exit loop if compilation is disabled forever |
|
469216acdb28
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changeset
|
745 if (CompileBroker::is_compilation_disabled_forever()) { |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
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changeset
|
746 return NULL; |
|
469216acdb28
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changeset
|
747 } |
|
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diff
changeset
|
748 |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
749 if (UseCodeCacheFlushing && !CompileBroker::should_compile_new_jobs()) { |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
750 // Wait a certain amount of time to possibly do another sweep. |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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diff
changeset
|
751 // We must wait until stack scanning has happened so that we can |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
752 // transition a method's state from 'not_entrant' to 'zombie'. |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
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diff
changeset
|
753 long wait_time = NmethodSweepCheckInterval * 1000; |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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changeset
|
754 if (FLAG_IS_DEFAULT(NmethodSweepCheckInterval)) { |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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12158
diff
changeset
|
755 // Only one thread at a time can do sweeping. Scale the |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
756 // wait time according to the number of compiler threads. |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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diff
changeset
|
757 // As a result, the next sweep is likely to happen every 100ms |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
758 // with an arbitrary number of threads that do sweeping. |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
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changeset
|
759 wait_time = 100 * CICompilerCount; |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
760 } |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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changeset
|
761 bool timeout = lock()->wait(!Mutex::_no_safepoint_check_flag, wait_time); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
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diff
changeset
|
762 if (timeout) { |
|
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
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parents:
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diff
changeset
|
763 MutexUnlocker ul(lock()); |
|
bfe29ec02863
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never
parents:
1353
diff
changeset
|
764 NMethodSweeper::possibly_sweep(); |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
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parents:
1353
diff
changeset
|
765 } |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
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1353
diff
changeset
|
766 } else { |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
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diff
changeset
|
767 // If there are no compilation tasks and we can compile new jobs |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
768 // (i.e., there is enough free space in the code cache) there is |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
769 // 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
anoll
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12158
diff
changeset
|
770 // 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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parents:
12158
diff
changeset
|
771 // 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
parents:
12158
diff
changeset
|
772 // code cache if it is unnecessary. |
|
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
773 // We need a timed wait here, since compiler threads can exit if compilation |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
774 // is disabled forever. We use 5 seconds wait time; the exiting of compiler threads |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
775 // is not critical and we do not want idle compiler threads to wake up too often. |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
776 lock()->wait(!Mutex::_no_safepoint_check_flag, 5*1000); |
|
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
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parents:
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diff
changeset
|
777 } |
| 0 | 778 } |
|
12880
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
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diff
changeset
|
779 |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
780 if (CompileBroker::is_compilation_disabled_forever()) { |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
781 return NULL; |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
782 } |
|
469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents:
12861
diff
changeset
|
783 |
|
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
784 CompileTask* task; |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
785 { |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
786 No_Safepoint_Verifier nsv; |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
787 task = CompilationPolicy::policy()->select_task(this); |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
788 } |
| 1783 | 789 remove(task); |
|
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
790 purge_stale_tasks(); // may temporarily release MCQ lock |
| 1783 | 791 return task; |
| 792 } | |
| 0 | 793 |
|
20465
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
794 // Clean & deallocate stale compile tasks. |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
795 // Temporarily releases MethodCompileQueue lock. |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
796 void CompileQueue::purge_stale_tasks() { |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
797 assert(lock()->owned_by_self(), "must own lock"); |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
798 if (_first_stale != NULL) { |
|
7301840ea20e
8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents:
18009
diff
changeset
|
799 // Stale tasks are purged when MCQ lock is released, |
|
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800 // but _first_stale updates are protected by MCQ lock. |
|
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801 // Once task processing starts and MCQ lock is released, |
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802 // other compiler threads can reuse _first_stale. |
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803 CompileTask* head = _first_stale; |
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804 _first_stale = NULL; |
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805 { |
|
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806 MutexUnlocker ul(lock()); |
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807 for (CompileTask* task = head; task != NULL; ) { |
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808 CompileTask* next_task = task->next(); |
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809 CompileTaskWrapper ctw(task); // Frees the task |
|
20469
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810 task->set_failure_reason("stale task"); |
|
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811 task = next_task; |
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812 } |
|
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813 } |
|
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814 } |
|
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815 } |
|
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816 |
|
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|
817 void CompileQueue::remove(CompileTask* task) { |
| 1783 | 818 assert(lock()->owned_by_self(), "must own lock"); |
| 819 if (task->prev() != NULL) { | |
| 820 task->prev()->set_next(task->next()); | |
| 821 } else { | |
| 822 // max is the first element | |
| 823 assert(task == _first, "Sanity"); | |
| 824 _first = task->next(); | |
| 0 | 825 } |
| 826 | |
| 1783 | 827 if (task->next() != NULL) { |
| 828 task->next()->set_prev(task->prev()); | |
| 829 } else { | |
| 830 // max is the last element | |
| 831 assert(task == _last, "Sanity"); | |
| 832 _last = task->prev(); | |
| 833 } | |
| 834 --_size; | |
| 0 | 835 } |
| 836 | |
|
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837 void CompileQueue::remove_and_mark_stale(CompileTask* task) { |
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838 assert(lock()->owned_by_self(), "must own lock"); |
|
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839 remove(task); |
|
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840 |
|
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841 // Enqueue the task for reclamation (should be done outside MCQ lock) |
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842 task->set_next(_first_stale); |
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843 task->set_prev(NULL); |
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844 _first_stale = task; |
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845 } |
|
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846 |
|
6725
da91efe96a93
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847 // methods in the compile queue need to be marked as used on the stack |
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|
848 // so that they don't get reclaimed by Redefine Classes |
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|
849 void CompileQueue::mark_on_stack() { |
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850 CompileTask* task = _first; |
|
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851 while (task != NULL) { |
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852 task->mark_on_stack(); |
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853 task = task->next(); |
|
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854 } |
|
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855 } |
|
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|
856 |
|
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|
857 #ifndef PRODUCT |
|
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858 /** |
|
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|
859 * Print entire compilation queue. |
|
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|
860 */ |
| 0 | 861 void CompileQueue::print() { |
|
20588
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|
862 if (CIPrintCompileQueue) { |
|
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|
863 ttyLocker ttyl; |
|
41dcdd636080
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|
864 tty->print_cr("Contents of %s", name()); |
|
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|
865 tty->print_cr("----------------------"); |
|
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|
866 CompileTask* task = _first; |
|
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|
867 while (task != NULL) { |
|
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|
868 task->print_line(); |
|
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|
869 task = task->next(); |
|
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|
870 } |
|
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|
871 tty->print_cr("----------------------"); |
| 0 | 872 } |
| 873 } | |
|
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|
874 #endif // PRODUCT |
| 0 | 875 |
| 876 CompilerCounters::CompilerCounters(const char* thread_name, int instance, TRAPS) { | |
| 877 | |
| 878 _current_method[0] = '\0'; | |
| 879 _compile_type = CompileBroker::no_compile; | |
| 880 | |
| 881 if (UsePerfData) { | |
| 882 ResourceMark rm; | |
| 883 | |
| 884 // create the thread instance name space string - don't create an | |
| 885 // instance subspace if instance is -1 - keeps the adapterThread | |
| 886 // counters from having a ".0" namespace. | |
| 887 const char* thread_i = (instance == -1) ? thread_name : | |
| 888 PerfDataManager::name_space(thread_name, instance); | |
| 889 | |
| 890 | |
| 891 char* name = PerfDataManager::counter_name(thread_i, "method"); | |
| 892 _perf_current_method = | |
| 893 PerfDataManager::create_string_variable(SUN_CI, name, | |
| 894 cmname_buffer_length, | |
| 895 _current_method, CHECK); | |
| 896 | |
| 897 name = PerfDataManager::counter_name(thread_i, "type"); | |
| 898 _perf_compile_type = PerfDataManager::create_variable(SUN_CI, name, | |
| 899 PerfData::U_None, | |
| 900 (jlong)_compile_type, | |
| 901 CHECK); | |
| 902 | |
| 903 name = PerfDataManager::counter_name(thread_i, "time"); | |
| 904 _perf_time = PerfDataManager::create_counter(SUN_CI, name, | |
| 905 PerfData::U_Ticks, CHECK); | |
| 906 | |
| 907 name = PerfDataManager::counter_name(thread_i, "compiles"); | |
| 908 _perf_compiles = PerfDataManager::create_counter(SUN_CI, name, | |
| 909 PerfData::U_Events, CHECK); | |
| 910 } | |
| 911 } | |
| 912 | |
| 913 // ------------------------------------------------------------------ | |
| 914 // CompileBroker::compilation_init | |
| 915 // | |
| 916 // Initialize the Compilation object | |
| 917 void CompileBroker::compilation_init() { | |
| 918 _last_method_compiled[0] = '\0'; | |
| 919 | |
|
13016
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8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
anoll
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12965
diff
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|
920 // 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)
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diff
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|
921 if (!UseCompiler) { |
|
a196f1aaec86
8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
anoll
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|
922 return; |
|
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|
923 } |
| 1970 | 924 #ifndef SHARK |
| 0 | 925 // Set the interface to the current compiler(s). |
| 1783 | 926 int c1_count = CompilationPolicy::policy()->compiler_count(CompLevel_simple); |
| 927 int c2_count = CompilationPolicy::policy()->compiler_count(CompLevel_full_optimization); | |
| 22298 | 928 #if INCLUDE_JVMCI |
|
21559
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Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
929 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
|
930 #endif |
|
14107
800057208a2c
enable C1 + Graal tiered
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13969
diff
changeset
|
931 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
932 #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
|
933 _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
|
934 if (FLAG_IS_DEFAULT(JVMCIThreads)) { |
|
22449
cfd7ebda543b
run JVMCI bootstrap iff BootstrapJVMCI is true
Doug Simon <doug.simon@oracle.com>
parents:
22298
diff
changeset
|
935 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
|
936 // 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
|
937 c2_count = MIN2(32, os::active_processor_count()); |
|
16399
4481cf549cfc
removed (Java based) CompilationQueue
Doug Simon <doug.simon@oracle.com>
parents:
16185
diff
changeset
|
938 } |
|
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
|
939 } else { |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
940 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
|
941 } |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
942 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
|
943 } else { |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
944 c1_count = 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
|
945 } |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
946 #endif // COMPILERJVMCI |
|
14107
800057208a2c
enable C1 + Graal tiered
Tom Rodriguez <tom.rodriguez@oracle.com>
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13969
diff
changeset
|
947 |
| 0 | 948 #ifdef COMPILER1 |
| 1783 | 949 if (c1_count > 0) { |
| 950 _compilers[0] = new Compiler(); | |
| 951 } | |
| 0 | 952 #endif // COMPILER1 |
| 953 | |
| 954 #ifdef COMPILER2 | |
| 1783 | 955 if (c2_count > 0) { |
| 956 _compilers[1] = new C2Compiler(); | |
| 957 } | |
| 0 | 958 #endif // COMPILER2 |
| 959 | |
| 1970 | 960 #else // SHARK |
| 961 int c1_count = 0; | |
| 962 int c2_count = 1; | |
| 963 | |
| 964 _compilers[1] = new SharkCompiler(); | |
| 965 #endif // SHARK | |
| 1692 | 966 |
| 0 | 967 // Start the CompilerThreads |
| 1783 | 968 init_compiler_threads(c1_count, c2_count); |
| 0 | 969 // totalTime performance counter is always created as it is required |
| 970 // by the implementation of java.lang.management.CompilationMBean. | |
| 971 { | |
| 972 EXCEPTION_MARK; | |
| 973 _perf_total_compilation = | |
| 974 PerfDataManager::create_counter(JAVA_CI, "totalTime", | |
| 975 PerfData::U_Ticks, CHECK); | |
| 976 } | |
| 977 | |
| 978 | |
| 979 if (UsePerfData) { | |
| 980 | |
| 981 EXCEPTION_MARK; | |
| 982 | |
| 983 // create the jvmstat performance counters | |
| 984 _perf_osr_compilation = | |
| 985 PerfDataManager::create_counter(SUN_CI, "osrTime", | |
| 986 PerfData::U_Ticks, CHECK); | |
| 987 | |
| 988 _perf_standard_compilation = | |
| 989 PerfDataManager::create_counter(SUN_CI, "standardTime", | |
| 990 PerfData::U_Ticks, CHECK); | |
| 991 | |
| 992 _perf_total_bailout_count = | |
| 993 PerfDataManager::create_counter(SUN_CI, "totalBailouts", | |
| 994 PerfData::U_Events, CHECK); | |
| 995 | |
| 996 _perf_total_invalidated_count = | |
| 997 PerfDataManager::create_counter(SUN_CI, "totalInvalidates", | |
| 998 PerfData::U_Events, CHECK); | |
| 999 | |
| 1000 _perf_total_compile_count = | |
| 1001 PerfDataManager::create_counter(SUN_CI, "totalCompiles", | |
| 1002 PerfData::U_Events, CHECK); | |
| 1003 _perf_total_osr_compile_count = | |
| 1004 PerfDataManager::create_counter(SUN_CI, "osrCompiles", | |
| 1005 PerfData::U_Events, CHECK); | |
| 1006 | |
| 1007 _perf_total_standard_compile_count = | |
| 1008 PerfDataManager::create_counter(SUN_CI, "standardCompiles", | |
| 1009 PerfData::U_Events, CHECK); | |
| 1010 | |
| 1011 _perf_sum_osr_bytes_compiled = | |
| 1012 PerfDataManager::create_counter(SUN_CI, "osrBytes", | |
| 1013 PerfData::U_Bytes, CHECK); | |
| 1014 | |
| 1015 _perf_sum_standard_bytes_compiled = | |
| 1016 PerfDataManager::create_counter(SUN_CI, "standardBytes", | |
| 1017 PerfData::U_Bytes, CHECK); | |
| 1018 | |
| 1019 _perf_sum_nmethod_size = | |
| 1020 PerfDataManager::create_counter(SUN_CI, "nmethodSize", | |
| 1021 PerfData::U_Bytes, CHECK); | |
| 1022 | |
| 1023 _perf_sum_nmethod_code_size = | |
| 1024 PerfDataManager::create_counter(SUN_CI, "nmethodCodeSize", | |
| 1025 PerfData::U_Bytes, CHECK); | |
| 1026 | |
| 1027 _perf_last_method = | |
| 1028 PerfDataManager::create_string_variable(SUN_CI, "lastMethod", | |
| 1029 CompilerCounters::cmname_buffer_length, | |
| 1030 "", CHECK); | |
| 1031 | |
| 1032 _perf_last_failed_method = | |
| 1033 PerfDataManager::create_string_variable(SUN_CI, "lastFailedMethod", | |
| 1034 CompilerCounters::cmname_buffer_length, | |
| 1035 "", CHECK); | |
| 1036 | |
| 1037 _perf_last_invalidated_method = | |
| 1038 PerfDataManager::create_string_variable(SUN_CI, "lastInvalidatedMethod", | |
| 1039 CompilerCounters::cmname_buffer_length, | |
| 1040 "", CHECK); | |
| 1041 | |
| 1042 _perf_last_compile_type = | |
| 1043 PerfDataManager::create_variable(SUN_CI, "lastType", | |
| 1044 PerfData::U_None, | |
| 1045 (jlong)CompileBroker::no_compile, | |
| 1046 CHECK); | |
| 1047 | |
| 1048 _perf_last_compile_size = | |
| 1049 PerfDataManager::create_variable(SUN_CI, "lastSize", | |
| 1050 PerfData::U_Bytes, | |
| 1051 (jlong)CompileBroker::no_compile, | |
| 1052 CHECK); | |
| 1053 | |
| 1054 | |
| 1055 _perf_last_failed_type = | |
| 1056 PerfDataManager::create_variable(SUN_CI, "lastFailedType", | |
| 1057 PerfData::U_None, | |
| 1058 (jlong)CompileBroker::no_compile, | |
| 1059 CHECK); | |
| 1060 | |
| 1061 _perf_last_invalidated_type = | |
| 1062 PerfDataManager::create_variable(SUN_CI, "lastInvalidatedType", | |
| 1063 PerfData::U_None, | |
| 1064 (jlong)CompileBroker::no_compile, | |
| 1065 CHECK); | |
| 1066 } | |
| 1067 | |
| 1068 _initialized = true; | |
| 1069 } | |
| 1070 | |
| 1071 | |
|
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1072 CompilerThread* CompileBroker::make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, |
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1073 AbstractCompiler* comp, TRAPS) { |
| 0 | 1074 CompilerThread* compiler_thread = NULL; |
| 1075 | |
|
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1076 Klass* k = |
|
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1077 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), |
| 0 | 1078 true, CHECK_0); |
| 1079 instanceKlassHandle klass (THREAD, k); | |
| 1080 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK_0); | |
| 1081 Handle string = java_lang_String::create_from_str(name, CHECK_0); | |
| 1082 | |
| 1083 // Initialize thread_oop to put it into the system threadGroup | |
| 1084 Handle thread_group (THREAD, Universe::system_thread_group()); | |
| 1085 JavaValue result(T_VOID); | |
| 1086 JavaCalls::call_special(&result, thread_oop, | |
| 1087 klass, | |
|
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1088 vmSymbols::object_initializer_name(), |
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1089 vmSymbols::threadgroup_string_void_signature(), |
| 0 | 1090 thread_group, |
| 1091 string, | |
| 1092 CHECK_0); | |
| 1093 | |
| 1094 { | |
| 1095 MutexLocker mu(Threads_lock, THREAD); | |
| 1096 compiler_thread = new CompilerThread(queue, counters); | |
| 1097 // At this point the new CompilerThread data-races with this startup | |
| 1098 // thread (which I believe is the primoridal thread and NOT the VM | |
| 1099 // thread). This means Java bytecodes being executed at startup can | |
| 1100 // queue compile jobs which will run at whatever default priority the | |
| 1101 // newly created CompilerThread runs at. | |
| 1102 | |
| 1103 | |
| 1104 // At this point it may be possible that no osthread was created for the | |
| 1105 // JavaThread due to lack of memory. We would have to throw an exception | |
| 1106 // in that case. However, since this must work and we do not allow | |
| 1107 // exceptions anyway, check and abort if this fails. | |
| 1108 | |
| 1109 if (compiler_thread == NULL || compiler_thread->osthread() == NULL){ | |
| 1110 vm_exit_during_initialization("java.lang.OutOfMemoryError", | |
| 1111 "unable to create new native thread"); | |
| 1112 } | |
| 1113 | |
| 1114 java_lang_Thread::set_thread(thread_oop(), compiler_thread); | |
| 1115 | |
| 1116 // Note that this only sets the JavaThread _priority field, which by | |
| 1117 // definition is limited to Java priorities and not OS priorities. | |
| 1118 // The os-priority is set in the CompilerThread startup code itself | |
|
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1119 |
| 0 | 1120 java_lang_Thread::set_priority(thread_oop(), NearMaxPriority); |
|
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1121 |
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1122 // Note that we cannot call os::set_priority because it expects Java |
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1123 // priorities and we are *explicitly* using OS priorities so that it's |
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1124 // possible to set the compiler thread priority higher than any Java |
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1125 // thread. |
| 0 | 1126 |
|
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1127 int native_prio = CompilerThreadPriority; |
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1128 if (native_prio == -1) { |
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1129 if (UseCriticalCompilerThreadPriority) { |
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1130 native_prio = os::java_to_os_priority[CriticalPriority]; |
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1131 } else { |
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1132 native_prio = os::java_to_os_priority[NearMaxPriority]; |
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1133 } |
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1134 } |
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1135 os::set_native_priority(compiler_thread, native_prio); |
| 0 | 1136 |
| 1137 java_lang_Thread::set_daemon(thread_oop()); | |
| 1138 | |
| 1139 compiler_thread->set_threadObj(thread_oop()); | |
|
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1140 compiler_thread->set_compiler(comp); |
| 0 | 1141 Threads::add(compiler_thread); |
| 1142 Thread::start(compiler_thread); | |
| 1143 } | |
|
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1144 |
| 0 | 1145 // Let go of Threads_lock before yielding |
| 1146 os::yield(); // make sure that the compiler thread is started early (especially helpful on SOLARIS) | |
| 1147 | |
| 1148 return compiler_thread; | |
| 1149 } | |
| 1150 | |
| 1151 | |
| 1783 | 1152 void CompileBroker::init_compiler_threads(int c1_compiler_count, int c2_compiler_count) { |
| 0 | 1153 EXCEPTION_MARK; |
|
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|
1154 #if !defined(ZERO) && !defined(SHARK) && !defined(COMPILERJVMCI) |
| 1783 | 1155 assert(c2_compiler_count > 0 || c1_compiler_count > 0, "No compilers?"); |
|
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1156 #endif // !ZERO && !SHARK && !COMPILERJVMCI |
|
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1157 // Initialize the compilation queue |
| 1783 | 1158 if (c2_compiler_count > 0) { |
|
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1159 _c2_compile_queue = new CompileQueue("C2 CompileQueue", MethodCompileQueue_lock); |
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1160 _compilers[1]->set_num_compiler_threads(c2_compiler_count); |
| 1783 | 1161 } |
| 1162 if (c1_compiler_count > 0) { | |
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1163 _c1_compile_queue = new CompileQueue("C1 CompileQueue", MethodCompileQueue_lock); |
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1164 _compilers[0]->set_num_compiler_threads(c1_compiler_count); |
| 1783 | 1165 } |
| 0 | 1166 |
| 1783 | 1167 int compiler_count = c1_compiler_count + c2_compiler_count; |
| 1168 | |
|
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1169 _compiler_threads = |
| 6197 | 1170 new (ResourceObj::C_HEAP, mtCompiler) GrowableArray<CompilerThread*>(compiler_count, true); |
| 0 | 1171 |
| 1172 char name_buffer[256]; | |
| 1783 | 1173 for (int i = 0; i < c2_compiler_count; i++) { |
| 0 | 1174 // Create a name for our thread. |
|
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1175 sprintf(name_buffer, "%s CompilerThread%d", _compilers[1]->name(), i); |
| 0 | 1176 CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); |
|
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1177 // Shark and C2 |
|
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1178 CompilerThread* new_thread = make_compiler_thread(name_buffer, _c2_compile_queue, counters, _compilers[1], CHECK); |
|
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1179 _compiler_threads->append(new_thread); |
| 0 | 1180 } |
| 1783 | 1181 |
| 1182 for (int i = c2_compiler_count; i < compiler_count; i++) { | |
| 1183 // Create a name for our thread. | |
| 1184 sprintf(name_buffer, "C1 CompilerThread%d", i); | |
| 1185 CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); | |
|
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1186 // C1 |
|
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1187 CompilerThread* new_thread = make_compiler_thread(name_buffer, _c1_compile_queue, counters, _compilers[0], CHECK); |
|
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1188 _compiler_threads->append(new_thread); |
| 1783 | 1189 } |
| 1190 | |
| 0 | 1191 if (UsePerfData) { |
|
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1192 PerfDataManager::create_constant(SUN_CI, "threads", PerfData::U_Bytes, compiler_count, CHECK); |
| 0 | 1193 } |
| 1194 } | |
| 1195 | |
|
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1196 |
|
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1197 /** |
|
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|
1198 * Set the methods on the stack as on_stack so that redefine classes doesn't |
|
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1199 * reclaim them. This method is executed at a safepoint. |
|
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1200 */ |
|
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1201 void CompileBroker::mark_on_stack() { |
|
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1202 assert(SafepointSynchronize::is_at_safepoint(), "sanity check"); |
|
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1203 // Since we are at a safepoint, we do not need a lock to access |
|
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1204 // the compile queues. |
|
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1205 if (_c2_compile_queue != NULL) { |
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1206 _c2_compile_queue->mark_on_stack(); |
|
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1207 } |
|
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1208 if (_c1_compile_queue != NULL) { |
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1209 _c1_compile_queue->mark_on_stack(); |
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1210 } |
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1211 } |
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1212 |
| 0 | 1213 // ------------------------------------------------------------------ |
| 1214 // CompileBroker::compile_method | |
| 1215 // | |
| 1216 // Request compilation of a method. | |
| 1217 void CompileBroker::compile_method_base(methodHandle method, | |
| 1218 int osr_bci, | |
| 1219 int comp_level, | |
| 1220 methodHandle hot_method, | |
| 1221 int hot_count, | |
| 1222 const char* comment, | |
|
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1223 Thread* thread) { |
| 0 | 1224 // do nothing if compiler thread(s) is not available |
|
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1225 if (!_initialized) { |
| 0 | 1226 return; |
| 1227 } | |
| 1228 | |
| 1229 guarantee(!method->is_abstract(), "cannot compile abstract methods"); | |
|
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1230 assert(method->method_holder()->oop_is_instance(), |
| 0 | 1231 "sanity check"); |
|
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8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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|
1232 assert(!method->method_holder()->is_not_initialized(), |
| 0 | 1233 "method holder must be initialized"); |
|
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1234 assert(!method->is_method_handle_intrinsic(), "do not enqueue these guys"); |
| 0 | 1235 |
| 1236 if (CIPrintRequests) { | |
| 1237 tty->print("request: "); | |
| 1238 method->print_short_name(tty); | |
| 1239 if (osr_bci != InvocationEntryBci) { | |
| 1240 tty->print(" osr_bci: %d", osr_bci); | |
| 1241 } | |
|
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Tom Rodriguez <tom.rodriguez@oracle.com>
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1242 tty->print(" level: %d comment: %s count: %d", comp_level, comment, hot_count); |
| 0 | 1243 if (!hot_method.is_null()) { |
| 1244 tty->print(" hot: "); | |
| 1245 if (hot_method() != method()) { | |
| 1246 hot_method->print_short_name(tty); | |
| 1247 } else { | |
| 1248 tty->print("yes"); | |
| 1249 } | |
| 1250 } | |
| 1251 tty->cr(); | |
| 1252 } | |
| 1253 | |
| 1254 // A request has been made for compilation. Before we do any | |
| 1255 // real work, check to see if the method has been compiled | |
| 1256 // in the meantime with a definitive result. | |
| 1257 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1258 return; | |
| 1259 } | |
| 1260 | |
| 2403 | 1261 #ifndef PRODUCT |
| 1262 if (osr_bci != -1 && !FLAG_IS_DEFAULT(OSROnlyBCI)) { | |
| 1263 if ((OSROnlyBCI > 0) ? (OSROnlyBCI != osr_bci) : (-OSROnlyBCI == osr_bci)) { | |
| 1264 // Positive OSROnlyBCI means only compile that bci. Negative means don't compile that BCI. | |
| 1265 return; | |
| 1266 } | |
| 1267 } | |
| 1268 #endif | |
| 1783 | 1269 |
| 0 | 1270 // If this method is already in the compile queue, then |
| 1271 // we do not block the current thread. | |
|
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1272 if (compilation_is_in_queue(method)) { |
| 0 | 1273 // We may want to decay our counter a bit here to prevent |
| 1274 // multiple denied requests for compilation. This is an | |
| 1275 // open compilation policy issue. Note: The other possibility, | |
| 1276 // in the case that this is a blocking compile request, is to have | |
| 1277 // all subsequent blocking requesters wait for completion of | |
| 1278 // ongoing compiles. Note that in this case we'll need a protocol | |
| 1279 // for freeing the associated compile tasks. [Or we could have | |
| 1280 // a single static monitor on which all these waiters sleep.] | |
| 1281 return; | |
| 1282 } | |
| 1283 | |
|
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1284 // If the requesting thread is holding the pending list lock |
|
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|
1285 // then we just return. We can't risk blocking while holding |
|
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1286 // the pending list lock or a 3-way deadlock may occur |
|
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1287 // between the reference handler thread, a GC (instigated |
|
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1288 // by a compiler thread), and compiled method registration. |
|
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|
1289 if (InstanceRefKlass::owns_pending_list_lock(JavaThread::current())) { |
|
3294
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7037756: Deadlock in compiler thread similiar to 6789220
johnc
parents:
2482
diff
changeset
|
1290 return; |
|
86ebb26bcdeb
7037756: Deadlock in compiler thread similiar to 6789220
johnc
parents:
2482
diff
changeset
|
1291 } |
|
86ebb26bcdeb
7037756: Deadlock in compiler thread similiar to 6789220
johnc
parents:
2482
diff
changeset
|
1292 |
|
20489
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20469
diff
changeset
|
1293 if (TieredCompilation) { |
|
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20469
diff
changeset
|
1294 // Tiered policy requires MethodCounters to exist before adding a method to |
|
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20469
diff
changeset
|
1295 // the queue. Create if we don't have them yet. |
|
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20469
diff
changeset
|
1296 method->get_method_counters(thread); |
|
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20469
diff
changeset
|
1297 } |
|
966205f0e717
8058564: Tiered compilation performance drop in PIT
iveresov
parents:
20469
diff
changeset
|
1298 |
| 0 | 1299 // Outputs from the following MutexLocker block: |
| 1300 CompileTask* task = NULL; | |
| 1301 bool blocking = false; | |
| 1783 | 1302 CompileQueue* queue = compile_queue(comp_level); |
| 0 | 1303 |
| 1304 // Acquire our lock. | |
| 1305 { | |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
4122
diff
changeset
|
1306 MutexLocker locker(queue->lock(), thread); |
| 0 | 1307 |
| 1308 // Make sure the method has not slipped into the queues since | |
| 1309 // last we checked; note that those checks were "fast bail-outs". | |
| 1310 // Here we need to be more careful, see 14012000 below. | |
|
20588
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
1311 if (compilation_is_in_queue(method)) { |
| 0 | 1312 return; |
| 1313 } | |
| 1314 | |
| 1315 // We need to check again to see if the compilation has | |
| 1316 // completed. A previous compilation may have registered | |
| 1317 // some result. | |
| 1318 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1319 return; | |
| 1320 } | |
| 1321 | |
| 1322 // We now know that this compilation is not pending, complete, | |
| 1323 // or prohibited. Assign a compile_id to this compilation | |
| 1324 // and check to see if it is in our [Start..Stop) range. | |
| 14236 | 1325 int compile_id = assign_compile_id(method, osr_bci); |
| 0 | 1326 if (compile_id == 0) { |
| 1327 // The compilation falls outside the allowed range. | |
| 1328 return; | |
| 1329 } | |
| 1330 | |
| 1331 // Should this thread wait for completion of the compile? | |
|
20588
41dcdd636080
8040798: compiler/startup/SmallCodeCacheStartup.java timed out in RT_Baseline
anoll
parents:
20575
diff
changeset
|
1332 blocking = is_compile_blocking(); |
| 0 | 1333 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
1334 #ifdef COMPILERJVMCI |
|
16447
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1335 if (blocking) { |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
1336 // Don't allow blocking compiles for requests triggered by JVMCI. |
|
16447
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1337 if (thread->is_Compiler_thread()) { |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1338 blocking = false; |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1339 } |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1340 |
|
19947
6a0692faf9fd
Ignore -Xbatch when the thread is in the middle of class loading
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19943
diff
changeset
|
1341 // Don't allow blocking compiles if inside a class initializer or while performing class loading |
|
16447
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1342 vframeStream vfst((JavaThread*) thread); |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1343 for (; !vfst.at_end(); vfst.next()) { |
|
19947
6a0692faf9fd
Ignore -Xbatch when the thread is in the middle of class loading
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19943
diff
changeset
|
1344 if (vfst.method()->is_static_initializer() || |
|
6a0692faf9fd
Ignore -Xbatch when the thread is in the middle of class loading
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19943
diff
changeset
|
1345 (vfst.method()->method_holder()->is_subclass_of(SystemDictionary::ClassLoader_klass()) && |
|
6a0692faf9fd
Ignore -Xbatch when the thread is in the middle of class loading
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
19943
diff
changeset
|
1346 vfst.method()->name() == vmSymbols::loadClass_name())) { |
|
16447
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1347 blocking = false; |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1348 break; |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1349 } |
|
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1350 } |
|
16625
d2aa48d54db5
don't allow blocking compilation requests to Graal if Graal itself is not yet initialized
Doug Simon <doug.simon@oracle.com>
parents:
16447
diff
changeset
|
1351 |
|
21527
07b088d61d5d
added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
20804
diff
changeset
|
1352 // Don't allow blocking compilation requests to JVMCI |
|
07b088d61d5d
added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
20804
diff
changeset
|
1353 // if JVMCI itself is not yet initialized |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
1354 if (!JVMCIRuntime::is_HotSpotJVMCIRuntime_initialized() && compiler(comp_level)->is_jvmci()) { |
|
16625
d2aa48d54db5
don't allow blocking compilation requests to Graal if Graal itself is not yet initialized
Doug Simon <doug.simon@oracle.com>
parents:
16447
diff
changeset
|
1355 blocking = false; |
|
d2aa48d54db5
don't allow blocking compilation requests to Graal if Graal itself is not yet initialized
Doug Simon <doug.simon@oracle.com>
parents:
16447
diff
changeset
|
1356 } |
|
18303
ab47ef2f2207
disable blocking compilation requests once GraalRuntime::shutdown has been called
Doug Simon <doug.simon@oracle.com>
parents:
18171
diff
changeset
|
1357 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
1358 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown |
|
18303
ab47ef2f2207
disable blocking compilation requests once GraalRuntime::shutdown has been called
Doug Simon <doug.simon@oracle.com>
parents:
18171
diff
changeset
|
1359 // to avoid deadlock between compiler thread(s) and threads run at shutdown |
|
ab47ef2f2207
disable blocking compilation requests once GraalRuntime::shutdown has been called
Doug Simon <doug.simon@oracle.com>
parents:
18171
diff
changeset
|
1360 // such as the DestroyJavaVM thread. |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
1361 if (JVMCIRuntime::shutdown_called()) { |
|
18303
ab47ef2f2207
disable blocking compilation requests once GraalRuntime::shutdown has been called
Doug Simon <doug.simon@oracle.com>
parents:
18171
diff
changeset
|
1362 blocking = false; |
|
ab47ef2f2207
disable blocking compilation requests once GraalRuntime::shutdown has been called
Doug Simon <doug.simon@oracle.com>
parents:
18171
diff
changeset
|
1363 } |
|
16185
518a221dbbde
don't allow blocking compile requests from the compiler thread
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16180
diff
changeset
|
1364 } |
|
16447
ce6696559683
better fix for deadlock in GraalVM under -Xcomp (JBS:GRAAL-48)
Doug Simon <doug.simon@oracle.com>
parents:
16399
diff
changeset
|
1365 // Don't allow blocking compiles |
|
16185
518a221dbbde
don't allow blocking compile requests from the compiler thread
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16180
diff
changeset
|
1366 #endif |
|
518a221dbbde
don't allow blocking compile requests from the compiler thread
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16180
diff
changeset
|
1367 |
| 0 | 1368 // We will enter the compilation in the queue. |
| 1369 // 14012000: Note that this sets the queued_for_compile bits in | |
| 1370 // the target method. We can now reason that a method cannot be | |
| 1371 // queued for compilation more than once, as follows: | |
| 1372 // Before a thread queues a task for compilation, it first acquires | |
| 1373 // the compile queue lock, then checks if the method's queued bits | |
| 1374 // are set or it has already been compiled. Thus there can not be two | |
| 1375 // instances of a compilation task for the same method on the | |
| 1376 // compilation queue. Consider now the case where the compilation | |
| 1377 // thread has already removed a task for that method from the queue | |
| 1378 // and is in the midst of compiling it. In this case, the | |
| 1379 // queued_for_compile bits must be set in the method (and these | |
| 1380 // will be visible to the current thread, since the bits were set | |
| 1381 // under protection of the compile queue lock, which we hold now. | |
| 1382 // When the compilation completes, the compiler thread first sets | |
| 1383 // the compilation result and then clears the queued_for_compile | |
| 1384 // bits. Neither of these actions are protected by a barrier (or done | |
| 1385 // under the protection of a lock), so the only guarantee we have | |
| 1386 // (on machines with TSO (Total Store Order)) is that these values | |
| 1387 // will update in that order. As a result, the only combinations of | |
| 1388 // these bits that the current thread will see are, in temporal order: | |
| 1389 // <RESULT, QUEUE> : | |
| 1390 // <0, 1> : in compile queue, but not yet compiled | |
| 1391 // <1, 1> : compiled but queue bit not cleared | |
| 1392 // <1, 0> : compiled and queue bit cleared | |
| 1393 // Because we first check the queue bits then check the result bits, | |
| 1394 // we are assured that we cannot introduce a duplicate task. | |
| 1395 // Note that if we did the tests in the reverse order (i.e. check | |
| 1396 // result then check queued bit), we could get the result bit before | |
| 1397 // the compilation completed, and the queue bit after the compilation | |
| 1398 // completed, and end up introducing a "duplicate" (redundant) task. | |
| 1399 // In that case, the compiler thread should first check if a method | |
| 1400 // has already been compiled before trying to compile it. | |
| 1401 // NOTE: in the event that there are multiple compiler threads and | |
| 1402 // there is de-optimization/recompilation, things will get hairy, | |
| 1403 // and in that case it's best to protect both the testing (here) of | |
| 1404 // these bits, and their updating (here and elsewhere) under a | |
| 1405 // common lock. | |
| 1783 | 1406 task = create_compile_task(queue, |
| 0 | 1407 compile_id, method, |
| 1408 osr_bci, comp_level, | |
| 1409 hot_method, hot_count, comment, | |
| 1410 blocking); | |
| 1411 } | |
| 1412 | |
| 1413 if (blocking) { | |
| 1414 wait_for_completion(task); | |
| 1415 } | |
| 1416 } | |
| 1417 | |
| 1418 | |
| 1419 nmethod* CompileBroker::compile_method(methodHandle method, int osr_bci, | |
| 1783 | 1420 int comp_level, |
| 0 | 1421 methodHandle hot_method, int hot_count, |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
4122
diff
changeset
|
1422 const char* comment, Thread* THREAD) { |
| 0 | 1423 // make sure arguments make sense |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1424 assert(method->method_holder()->oop_is_instance(), "not an instance method"); |
| 0 | 1425 assert(osr_bci == InvocationEntryBci || (0 <= osr_bci && osr_bci < method->code_size()), "bci out of range"); |
| 1426 assert(!method->is_abstract() && (osr_bci == InvocationEntryBci || !method->is_native()), "cannot compile abstract/native methods"); | |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6843
diff
changeset
|
1427 assert(!method->method_holder()->is_not_initialized(), "method holder must be initialized"); |
|
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8860
diff
changeset
|
1428 // allow any levels for WhiteBox |
|
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8860
diff
changeset
|
1429 assert(WhiteBoxAPI || TieredCompilation || comp_level == CompLevel_highest_tier, "only CompLevel_highest_tier must be used in non-tiered"); |
| 0 | 1430 // return quickly if possible |
| 1431 | |
| 1432 // lock, make sure that the compilation | |
| 1433 // isn't prohibited in a straightforward way. | |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
1434 AbstractCompiler *comp = CompileBroker::compiler(comp_level); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
1435 if (comp == NULL || !comp->can_compile_method(method) || |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
1436 compilation_is_prohibited(method, osr_bci, comp_level)) { |
| 0 | 1437 return NULL; |
| 1438 } | |
| 1439 | |
| 1440 if (osr_bci == InvocationEntryBci) { | |
| 1441 // standard compilation | |
| 1442 nmethod* method_code = method->code(); | |
| 1783 | 1443 if (method_code != NULL) { |
| 1444 if (compilation_is_complete(method, osr_bci, comp_level)) { | |
| 1445 return method_code; | |
| 1446 } | |
| 0 | 1447 } |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
1448 if (method->is_not_compilable(comp_level)) { |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12158
diff
changeset
|
1449 return NULL; |
| 1202 | 1450 } |
| 0 | 1451 } else { |
| 1452 // osr compilation | |
| 1453 #ifndef TIERED | |
| 1454 // seems like an assert of dubious value | |
| 1783 | 1455 assert(comp_level == CompLevel_highest_tier, |
| 0 | 1456 "all OSR compiles are assumed to be at a single compilation lavel"); |
| 1457 #endif // TIERED | |
| 1783 | 1458 // We accept a higher level osr method |
| 1459 nmethod* nm = method->lookup_osr_nmethod_for(osr_bci, comp_level, false); | |
| 0 | 1460 if (nm != NULL) return nm; |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6735
diff
changeset
|
1461 if (method->is_not_osr_compilable(comp_level)) return NULL; |
| 0 | 1462 } |
| 1463 | |
| 1464 assert(!HAS_PENDING_EXCEPTION, "No exception should be present"); | |
| 1465 // some prerequisites that are compiler specific | |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
1466 if (comp->is_c2() || comp->is_shark()) { |
|
4825
20334ed5ed3c
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
4122
diff
changeset
|
1467 method->constants()->resolve_string_constants(CHECK_AND_CLEAR_NULL); |
| 0 | 1468 // Resolve all classes seen in the signature of the method |
| 1469 // we are compiling. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1470 Method::load_signature_classes(method, CHECK_AND_CLEAR_NULL); |
| 0 | 1471 } |
| 1472 | |
| 1473 // If the method is native, do the lookup in the thread requesting | |
| 1474 // the compilation. Native lookups can load code, which is not | |
| 1475 // permitted during compilation. | |
| 1476 // | |
| 1477 // Note: A native method implies non-osr compilation which is | |
| 1478 // checked with an assertion at the entry of this method. | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1479 if (method->is_native() && !method->is_method_handle_intrinsic()) { |
| 0 | 1480 bool in_base_library; |
| 1481 address adr = NativeLookup::lookup(method, in_base_library, THREAD); | |
| 1482 if (HAS_PENDING_EXCEPTION) { | |
| 1483 // In case of an exception looking up the method, we just forget | |
| 1484 // about it. The interpreter will kick-in and throw the exception. | |
| 1485 method->set_not_compilable(); // implies is_not_osr_compilable() | |
| 1486 CLEAR_PENDING_EXCEPTION; | |
| 1487 return NULL; | |
| 1488 } | |
| 1489 assert(method->has_native_function(), "must have native code by now"); | |
| 1490 } | |
| 1491 | |
| 1492 // RedefineClasses() has replaced this method; just return | |
| 1493 if (method->is_old()) { | |
| 1494 return NULL; | |
| 1495 } | |
| 1496 | |
| 1497 // JVMTI -- post_compile_event requires jmethod_id() that may require | |
| 1498 // a lock the compiling thread can not acquire. Prefetch it here. | |
| 1499 if (JvmtiExport::should_post_compiled_method_load()) { | |
| 1500 method->jmethod_id(); | |
| 1501 } | |
| 1502 | |
| 1503 // do the compilation | |
| 1504 if (method->is_native()) { | |
|
6266
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1505 if (!PreferInterpreterNativeStubs || method->is_method_handle_intrinsic()) { |
|
12965
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
parents:
12880
diff
changeset
|
1506 // To properly handle the appendix argument for out-of-line calls we are using a small trampoline that |
|
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
parents:
12880
diff
changeset
|
1507 // pops off the appendix argument and jumps to the target (see gen_special_dispatch in SharedRuntime). |
|
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
parents:
12880
diff
changeset
|
1508 // |
|
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
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12880
diff
changeset
|
1509 // Since normal compiled-to-compiled calls are not able to handle such a thing we MUST generate an adapter |
|
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
parents:
12880
diff
changeset
|
1510 // in this case. If we can't generate one and use it we can not execute the out-of-line method handle calls. |
| 14236 | 1511 AdapterHandlerLibrary::create_native_wrapper(method); |
| 0 | 1512 } else { |
| 1513 return NULL; | |
| 1514 } | |
| 1515 } else { | |
|
12965
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
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12880
diff
changeset
|
1516 // If the compiler is shut off due to code cache getting full |
|
8b4bbba322d3
8026407: VM crashes on linux-ppc and linux-i586 when there is not enough ReservedCodeCacheSize specified
anoll
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diff
changeset
|
1517 // fail out now so blocking compiles dont hang the java thread |
|
8b4bbba322d3
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|
1518 if (!should_compile_new_jobs()) { |
|
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|
1519 CompilationPolicy::policy()->delay_compilation(method()); |
|
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|
1520 return NULL; |
|
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|
1521 } |
|
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|
1522 compile_method_base(method, osr_bci, comp_level, hot_method, hot_count, comment, THREAD); |
| 0 | 1523 } |
| 1524 | |
| 1525 // return requested nmethod | |
| 1783 | 1526 // We accept a higher level osr method |
| 1527 return osr_bci == InvocationEntryBci ? method->code() : method->lookup_osr_nmethod_for(osr_bci, comp_level, false); | |
| 0 | 1528 } |
| 1529 | |
| 1530 | |
| 1531 // ------------------------------------------------------------------ | |
| 1532 // CompileBroker::compilation_is_complete | |
| 1533 // | |
| 1534 // See if compilation of this method is already complete. | |
| 1535 bool CompileBroker::compilation_is_complete(methodHandle method, | |
| 1536 int osr_bci, | |
| 1537 int comp_level) { | |
| 1538 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1539 if (is_osr) { | |
|
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|
1540 if (method->is_not_osr_compilable(comp_level)) { |
| 0 | 1541 return true; |
| 1542 } else { | |
| 1783 | 1543 nmethod* result = method->lookup_osr_nmethod_for(osr_bci, comp_level, true); |
| 0 | 1544 return (result != NULL); |
| 1545 } | |
| 1546 } else { | |
| 1547 if (method->is_not_compilable(comp_level)) { | |
| 1548 return true; | |
| 1549 } else { | |
| 1550 nmethod* result = method->code(); | |
| 1551 if (result == NULL) return false; | |
| 1783 | 1552 return comp_level == result->comp_level(); |
| 0 | 1553 } |
| 1554 } | |
| 1555 } | |
| 1556 | |
| 1557 | |
|
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|
1558 /** |
|
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|
1559 * See if this compilation is already requested. |
|
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|
1560 * |
|
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|
1561 * Implementation note: there is only a single "is in queue" bit |
|
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|
1562 * for each method. This means that the check below is overly |
|
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|
1563 * conservative in the sense that an osr compilation in the queue |
|
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|
1564 * will block a normal compilation from entering the queue (and vice |
|
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|
1565 * versa). This can be remedied by a full queue search to disambiguate |
|
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|
1566 * cases. If it is deemed profitable, this may be done. |
|
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|
1567 */ |
|
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|
1568 bool CompileBroker::compilation_is_in_queue(methodHandle method) { |
| 0 | 1569 return method->queued_for_compilation(); |
| 1570 } | |
| 1571 | |
| 1572 // ------------------------------------------------------------------ | |
| 1573 // CompileBroker::compilation_is_prohibited | |
| 1574 // | |
| 1575 // See if this compilation is not allowed. | |
| 1576 bool CompileBroker::compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level) { | |
| 1577 bool is_native = method->is_native(); | |
| 1578 // Some compilers may not support the compilation of natives. | |
|
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|
1579 AbstractCompiler *comp = compiler(comp_level); |
| 0 | 1580 if (is_native && |
|
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|
1581 (!CICompileNatives || comp == NULL || !comp->supports_native())) { |
| 1783 | 1582 method->set_not_compilable_quietly(comp_level); |
| 0 | 1583 return true; |
| 1584 } | |
| 1585 | |
| 1586 bool is_osr = (osr_bci != standard_entry_bci); | |
| 1587 // Some compilers may not support on stack replacement. | |
| 1588 if (is_osr && | |
|
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|
1589 (!CICompileOSR || comp == NULL || !comp->supports_osr())) { |
|
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|
1590 method->set_not_osr_compilable(comp_level); |
| 0 | 1591 return true; |
| 1592 } | |
| 1593 | |
| 1594 // The method may be explicitly excluded by the user. | |
| 1595 bool quietly; | |
| 1596 if (CompilerOracle::should_exclude(method, quietly)) { | |
| 1597 if (!quietly) { | |
| 1598 // This does not happen quietly... | |
| 1599 ResourceMark rm; | |
| 1600 tty->print("### Excluding %s:%s", | |
| 1601 method->is_native() ? "generation of native wrapper" : "compile", | |
| 1602 (method->is_static() ? " static" : "")); | |
| 1603 method->print_short_name(tty); | |
| 1604 tty->cr(); | |
| 1605 } | |
| 7998 | 1606 method->set_not_compilable(CompLevel_all, !quietly, "excluded by CompilerOracle"); |
| 0 | 1607 } |
| 1608 | |
| 1609 return false; | |
| 1610 } | |
| 1611 | |
| 14236 | 1612 /** |
| 1613 * Generate serialized IDs for compilation requests. If certain debugging flags are used | |
| 1614 * and the ID is not within the specified range, the method is not compiled and 0 is returned. | |
| 1615 * The function also allows to generate separate compilation IDs for OSR compilations. | |
| 1616 */ | |
| 1617 int CompileBroker::assign_compile_id(methodHandle method, int osr_bci) { | |
| 1618 #ifdef ASSERT | |
| 0 | 1619 bool is_osr = (osr_bci != standard_entry_bci); |
| 14236 | 1620 int id; |
| 1621 if (method->is_native()) { | |
| 1622 assert(!is_osr, "can't be osr"); | |
| 1623 // Adapters, native wrappers and method handle intrinsics | |
| 1624 // should be generated always. | |
| 1625 return Atomic::add(1, &_compilation_id); | |
| 1626 } else if (CICountOSR && is_osr) { | |
| 1627 id = Atomic::add(1, &_osr_compilation_id); | |
| 1628 if (CIStartOSR <= id && id < CIStopOSR) { | |
| 0 | 1629 return id; |
| 1630 } | |
| 1631 } else { | |
| 14236 | 1632 id = Atomic::add(1, &_compilation_id); |
| 1633 if (CIStart <= id && id < CIStop) { | |
| 0 | 1634 return id; |
| 1635 } | |
| 1636 } | |
| 1637 | |
| 1638 // Method was not in the appropriate compilation range. | |
|
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6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
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diff
changeset
|
1639 method->set_not_compilable_quietly(); |
| 0 | 1640 return 0; |
| 14236 | 1641 #else |
| 1642 // CICountOSR is a develop flag and set to 'false' by default. In a product built, | |
| 1643 // only _compilation_id is incremented. | |
| 1644 return Atomic::add(1, &_compilation_id); | |
| 1645 #endif | |
| 0 | 1646 } |
| 1647 | |
| 1648 | |
| 1649 // ------------------------------------------------------------------ | |
|
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|
1650 // CompileBroker::assign_compile_id_unlocked |
|
fe034af88233
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diff
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|
1651 // |
|
fe034af88233
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|
1652 // Public wrapper for assign_compile_id that acquires the needed locks |
|
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|
1653 uint CompileBroker::assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci) { |
|
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|
1654 MutexLocker locker(MethodCompileQueue_lock, thread); |
|
fe034af88233
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|
1655 return assign_compile_id(method, osr_bci); |
|
fe034af88233
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|
1656 } |
|
fe034af88233
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Tom Rodriguez <tom.rodriguez@oracle.com>
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|
1657 |
|
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|
1658 /** |
|
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|
1659 * Should the current thread block until this compilation request |
|
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|
1660 * has been fulfilled? |
|
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|
1661 */ |
|
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|
1662 bool CompileBroker::is_compile_blocking() { |
|
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diff
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|
1663 assert(!InstanceRefKlass::owns_pending_list_lock(JavaThread::current()), "possible deadlock"); |
|
3294
86ebb26bcdeb
7037756: Deadlock in compiler thread similiar to 6789220
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2482
diff
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|
1664 return !BackgroundCompilation; |
| 0 | 1665 } |
| 1666 | |
| 1667 | |
| 1668 // ------------------------------------------------------------------ | |
| 1669 // CompileBroker::preload_classes | |
| 1670 void CompileBroker::preload_classes(methodHandle method, TRAPS) { | |
| 1671 // Move this code over from c1_Compiler.cpp | |
| 1672 ShouldNotReachHere(); | |
| 1673 } | |
| 1674 | |
| 1675 | |
| 1676 // ------------------------------------------------------------------ | |
| 1677 // CompileBroker::create_compile_task | |
| 1678 // | |
| 1679 // Create a CompileTask object representing the current request for | |
| 1680 // compilation. Add this task to the queue. | |
| 1681 CompileTask* CompileBroker::create_compile_task(CompileQueue* queue, | |
| 1682 int compile_id, | |
| 1683 methodHandle method, | |
| 1684 int osr_bci, | |
| 1685 int comp_level, | |
| 1686 methodHandle hot_method, | |
| 1687 int hot_count, | |
| 1688 const char* comment, | |
| 1689 bool blocking) { | |
|
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|
1690 CompileTask* new_task = CompileTask::allocate(); |
| 0 | 1691 new_task->initialize(compile_id, method, osr_bci, comp_level, |
| 1692 hot_method, hot_count, comment, | |
| 1693 blocking); | |
| 1694 queue->add(new_task); | |
| 1695 return new_task; | |
| 1696 } | |
| 1697 | |
|
22714
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Doug Simon <doug.simon@oracle.com>
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22449
diff
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|
1698 // 1 second should be long enough to complete most JVMCI compilations |
|
9b3b66634d17
use timeout for JVMCI blocking compilation to avoid deadlock between compiler and app thread that submitted the blocking compilation
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diff
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|
1699 // and not too long to stall a blocking JVMCI compilation that |
|
9b3b66634d17
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Doug Simon <doug.simon@oracle.com>
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diff
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|
1700 // is trying to acquire a lock held by the app thread that submitted the |
|
9b3b66634d17
use timeout for JVMCI blocking compilation to avoid deadlock between compiler and app thread that submitted the blocking compilation
Doug Simon <doug.simon@oracle.com>
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diff
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|
1701 // compilation. |
|
9b3b66634d17
use timeout for JVMCI blocking compilation to avoid deadlock between compiler and app thread that submitted the blocking compilation
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diff
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|
1702 static const long BLOCKING_JVMCI_COMPILATION_TIMEOUT = 1000; |
| 0 | 1703 |
|
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|
1704 /** |
|
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|
1705 * Wait for the compilation task to complete. |
|
41dcdd636080
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|
1706 */ |
| 0 | 1707 void CompileBroker::wait_for_completion(CompileTask* task) { |
| 1708 if (CIPrintCompileQueue) { | |
|
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|
1709 ttyLocker ttyl; |
| 0 | 1710 tty->print_cr("BLOCKING FOR COMPILE"); |
| 1711 } | |
| 1712 | |
| 1713 assert(task->is_blocking(), "can only wait on blocking task"); | |
| 1714 | |
|
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|
1715 JavaThread* thread = JavaThread::current(); |
| 0 | 1716 thread->set_blocked_on_compilation(true); |
| 1717 | |
|
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|
1718 methodHandle method(thread, task->method()); |
| 0 | 1719 { |
| 1720 MutexLocker waiter(task->lock(), thread); | |
| 1721 | |
|
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|
1722 #ifdef COMPILERJVMCI |
|
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|
1723 if (compiler(task->comp_level())->is_jvmci()) { |
|
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|
1724 // No need to check if compilation has completed - just |
|
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|
1725 // rely on the time out. The JVMCI compiler thread will |
|
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|
1726 // recycle the CompileTask. |
|
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|
1727 task->lock()->wait(!Mutex::_no_safepoint_check_flag, BLOCKING_JVMCI_COMPILATION_TIMEOUT); |
|
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|
1728 thread->set_blocked_on_compilation(false); |
|
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|
1729 return; |
|
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|
1730 } |
|
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|
1731 #endif |
|
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|
1732 while (!task->is_complete() && !is_compilation_disabled_forever()) { |
| 0 | 1733 task->lock()->wait(); |
|
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|
1734 } |
| 0 | 1735 } |
|
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|
1736 |
|
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|
1737 thread->set_blocked_on_compilation(false); |
|
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|
1738 if (is_compilation_disabled_forever()) { |
|
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|
1739 CompileTask::free(task); |
|
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|
1740 return; |
|
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|
1741 } |
|
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|
1742 |
| 0 | 1743 // It is harmless to check this status without the lock, because |
| 1744 // completion is a stable property (until the task object is recycled). | |
| 1745 assert(task->is_complete(), "Compilation should have completed"); | |
| 1746 assert(task->code_handle() == NULL, "must be reset"); | |
| 1747 | |
| 1748 // By convention, the waiter is responsible for recycling a | |
| 1749 // blocking CompileTask. Since there is only one waiter ever | |
| 1750 // waiting on a CompileTask, we know that no one else will | |
| 1751 // be using this CompileTask; we can free it. | |
|
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|
1752 CompileTask::free(task); |
| 0 | 1753 } |
| 1754 | |
|
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|
1755 /** |
|
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|
1756 * Initialize compiler thread(s) + compiler object(s). The postcondition |
|
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|
1757 * of this function is that the compiler runtimes are initialized and that |
|
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|
1758 * compiler threads can start compiling. |
|
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|
1759 */ |
|
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1760 bool CompileBroker::init_compiler_runtime() { |
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1761 CompilerThread* thread = CompilerThread::current(); |
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1762 AbstractCompiler* comp = thread->compiler(); |
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1763 // Final sanity check - the compiler object must exist |
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1764 guarantee(comp != NULL, "Compiler object must exist"); |
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1765 |
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1766 int system_dictionary_modification_counter; |
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1767 { |
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1768 MutexLocker locker(Compile_lock, thread); |
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1769 system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); |
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1770 } |
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1771 |
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1772 { |
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1773 // Must switch to native to allocate ci_env |
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1774 ThreadToNativeFromVM ttn(thread); |
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1775 ciEnv ci_env(NULL, system_dictionary_modification_counter); |
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1776 // Cache Jvmti state |
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1777 ci_env.cache_jvmti_state(); |
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1778 // Cache DTrace flags |
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1779 ci_env.cache_dtrace_flags(); |
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1780 |
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1781 // Switch back to VM state to do compiler initialization |
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1782 ThreadInVMfromNative tv(thread); |
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1783 ResetNoHandleMark rnhm; |
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1784 |
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1785 |
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1786 if (!comp->is_shark()) { |
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1787 // Perform per-thread and global initializations |
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1788 comp->initialize(); |
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1789 } |
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1790 } |
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1791 |
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1792 if (comp->is_failed()) { |
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1793 disable_compilation_forever(); |
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1794 // If compiler initialization failed, no compiler thread that is specific to a |
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1795 // particular compiler runtime will ever start to compile methods. |
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1796 shutdown_compiler_runtime(comp, thread); |
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1797 return false; |
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1798 } |
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1799 |
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1800 // C1 specific check |
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1801 if (comp->is_c1() && (thread->get_buffer_blob() == NULL)) { |
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1802 warning("Initialization of %s thread failed (no space to run compilers)", thread->name()); |
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1803 return false; |
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1804 } |
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1805 |
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1806 return true; |
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1807 } |
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1808 |
|
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1809 /** |
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1810 * If C1 and/or C2 initialization failed, we shut down all compilation. |
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1811 * We do this to keep things simple. This can be changed if it ever turns |
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1812 * out to be a problem. |
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1813 */ |
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1814 void CompileBroker::shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread) { |
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1815 // Free buffer blob, if allocated |
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1816 if (thread->get_buffer_blob() != NULL) { |
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1817 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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1818 CodeCache::free(thread->get_buffer_blob()); |
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1819 } |
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1820 |
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1821 if (comp->should_perform_shutdown()) { |
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1822 // There are two reasons for shutting down the compiler |
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1823 // 1) compiler runtime initialization failed |
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1824 // 2) The code cache is full and the following flag is set: -XX:-UseCodeCacheFlushing |
|
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1825 warning("%s initialization failed. Shutting down all compilers", comp->name()); |
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1826 |
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1827 // Only one thread per compiler runtime object enters here |
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1828 // Set state to shut down |
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1829 comp->set_shut_down(); |
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1830 |
|
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1831 // Delete all queued compilation tasks to make compiler threads exit faster. |
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1832 if (_c1_compile_queue != NULL) { |
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1833 _c1_compile_queue->free_all(); |
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1834 } |
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1835 |
|
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1836 if (_c2_compile_queue != NULL) { |
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1837 _c2_compile_queue->free_all(); |
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1838 } |
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1839 |
|
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1840 // Set flags so that we continue execution with using interpreter only. |
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1841 UseCompiler = false; |
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1842 UseInterpreter = true; |
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1843 |
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1844 // We could delete compiler runtimes also. However, there are references to |
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1845 // the compiler runtime(s) (e.g., nmethod::is_compiled_by_c1()) which then |
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1846 // fail. This can be done later if necessary. |
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1847 } |
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1848 } |
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1849 |
| 0 | 1850 // ------------------------------------------------------------------ |
| 1851 // CompileBroker::compiler_thread_loop | |
| 1852 // | |
| 1853 // The main loop run by a CompilerThread. | |
| 1854 void CompileBroker::compiler_thread_loop() { | |
| 1855 CompilerThread* thread = CompilerThread::current(); | |
| 1856 CompileQueue* queue = thread->queue(); | |
| 1857 // For the thread that initializes the ciObjectFactory | |
| 1858 // this resource mark holds all the shared objects | |
| 1859 ResourceMark rm; | |
| 1860 | |
| 1861 // First thread to get here will initialize the compiler interface | |
| 1862 | |
| 1863 if (!ciObjectFactory::is_initialized()) { | |
| 1864 ASSERT_IN_VM; | |
| 1865 MutexLocker only_one (CompileThread_lock, thread); | |
| 1866 if (!ciObjectFactory::is_initialized()) { | |
| 1867 ciObjectFactory::initialize(); | |
| 1868 } | |
| 1869 } | |
| 1870 | |
| 1871 // Open a log. | |
| 1872 if (LogCompilation) { | |
| 1873 init_compiler_thread_log(); | |
| 1874 } | |
| 1875 CompileLog* log = thread->log(); | |
| 1876 if (log != NULL) { | |
| 6843 | 1877 log->begin_elem("start_compile_thread name='%s' thread='" UINTX_FORMAT "' process='%d'", |
| 1878 thread->name(), | |
| 0 | 1879 os::current_thread_id(), |
| 1880 os::current_process_id()); | |
| 1881 log->stamp(); | |
| 1882 log->end_elem(); | |
| 1883 } | |
| 1884 | |
|
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1885 // If compiler thread/runtime initialization fails, exit the compiler thread |
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1886 if (!init_compiler_runtime()) { |
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1887 return; |
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1888 } |
| 1202 | 1889 |
|
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1890 // Poll for new compilation tasks as long as the JVM runs. Compilation |
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1891 // should only be disabled if something went wrong while initializing the |
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1892 // compiler runtimes. This, in turn, should not happen. The only known case |
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1893 // when compiler runtime initialization fails is if there is not enough free |
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1894 // space in the code cache to generate the necessary stubs, etc. |
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1895 while (!is_compilation_disabled_forever()) { |
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1896 // We need this HandleMark to avoid leaking VM handles. |
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1897 HandleMark hm(thread); |
| 0 | 1898 |
|
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1899 if (CodeCache::unallocated_capacity() < CodeCacheMinimumFreeSpace) { |
|
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1900 // the code cache is really full |
|
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1901 handle_full_code_cache(); |
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1902 } |
| 0 | 1903 |
|
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1904 CompileTask* task = queue->get(); |
|
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1905 if (task == NULL) { |
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1906 continue; |
|
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1907 } |
| 0 | 1908 |
|
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1909 // Give compiler threads an extra quanta. They tend to be bursty and |
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1910 // this helps the compiler to finish up the job. |
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1911 if( CompilerThreadHintNoPreempt ) |
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1912 os::hint_no_preempt(); |
| 0 | 1913 |
|
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1914 // trace per thread time and compile statistics |
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1915 CompilerCounters* counters = ((CompilerThread*)thread)->counters(); |
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1916 PerfTraceTimedEvent(counters->time_counter(), counters->compile_counter()); |
| 0 | 1917 |
|
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1918 // Assign the task to the current thread. Mark this compilation |
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1919 // thread as active for the profiler. |
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1920 CompileTaskWrapper ctw(task); |
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1921 nmethodLocker result_handle; // (handle for the nmethod produced by this task) |
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1922 task->set_code_handle(&result_handle); |
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1923 methodHandle method(thread, task->method()); |
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1924 |
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1925 // Never compile a method if breakpoints are present in it |
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1926 if (method()->number_of_breakpoints() == 0) { |
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1927 // Compile the method. |
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1928 if ((UseCompiler || AlwaysCompileLoopMethods) && CompileBroker::should_compile_new_jobs()) { |
|
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1929 invoke_compiler_on_method(task); |
|
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1930 } else { |
|
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1931 // After compilation is disabled, remove remaining methods from queue |
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1932 method->clear_queued_for_compilation(); |
|
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1933 task->set_failure_reason("compilation is disabled"); |
| 0 | 1934 } |
| 1935 } | |
| 1936 } | |
|
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1937 |
|
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1938 // Shut down compiler runtime |
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1939 shutdown_compiler_runtime(thread->compiler(), thread); |
| 0 | 1940 } |
| 1941 | |
| 1942 // ------------------------------------------------------------------ | |
| 1943 // CompileBroker::init_compiler_thread_log | |
| 1944 // | |
| 1945 // Set up state required by +LogCompilation. | |
| 1946 void CompileBroker::init_compiler_thread_log() { | |
| 1947 CompilerThread* thread = CompilerThread::current(); | |
|
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1948 char file_name[4*K]; |
| 0 | 1949 FILE* fp = NULL; |
| 1950 intx thread_id = os::current_thread_id(); | |
| 1951 for (int try_temp_dir = 1; try_temp_dir >= 0; try_temp_dir--) { | |
| 1952 const char* dir = (try_temp_dir ? os::get_temp_directory() : NULL); | |
|
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1953 if (dir == NULL) { |
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1954 jio_snprintf(file_name, sizeof(file_name), "hs_c" UINTX_FORMAT "_pid%u.log", |
|
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1955 thread_id, os::current_process_id()); |
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1956 } else { |
|
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1957 jio_snprintf(file_name, sizeof(file_name), |
|
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1958 "%s%shs_c" UINTX_FORMAT "_pid%u.log", dir, |
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1959 os::file_separator(), thread_id, os::current_process_id()); |
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1960 } |
|
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1961 |
|
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1962 fp = fopen(file_name, "wt"); |
| 0 | 1963 if (fp != NULL) { |
|
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1964 if (LogCompilation && Verbose) { |
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1965 tty->print_cr("Opening compilation log %s", file_name); |
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1966 } |
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1967 CompileLog* log = new(ResourceObj::C_HEAP, mtCompiler) CompileLog(file_name, fp, thread_id); |
|
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1968 thread->init_log(log); |
|
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1969 |
|
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1970 if (xtty != NULL) { |
|
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1971 ttyLocker ttyl; |
|
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1972 // Record any per thread log files |
|
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1973 xtty->elem("thread_logfile thread='" INTX_FORMAT "' filename='%s'", thread_id, file_name); |
|
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1974 } |
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1975 return; |
| 0 | 1976 } |
| 1977 } | |
|
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1978 warning("Cannot open log file: %s", file_name); |
| 0 | 1979 } |
| 1980 | |
| 1981 // ------------------------------------------------------------------ | |
| 1982 // CompileBroker::set_should_block | |
| 1983 // | |
| 1984 // Set _should_block. | |
| 1985 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 1986 void CompileBroker::set_should_block() { | |
| 1987 assert(Threads_lock->owner() == Thread::current(), "must have threads lock"); | |
| 1988 assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint already"); | |
| 1989 #ifndef PRODUCT | |
| 1990 if (PrintCompilation && (Verbose || WizardMode)) | |
| 1991 tty->print_cr("notifying compiler thread pool to block"); | |
| 1992 #endif | |
| 1993 _should_block = true; | |
| 1994 } | |
| 1995 | |
| 1996 // ------------------------------------------------------------------ | |
| 1997 // CompileBroker::maybe_block | |
| 1998 // | |
| 1999 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 2000 void CompileBroker::maybe_block() { | |
| 2001 if (_should_block) { | |
| 2002 #ifndef PRODUCT | |
| 2003 if (PrintCompilation && (Verbose || WizardMode)) | |
|
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2004 tty->print_cr("compiler thread " INTPTR_FORMAT " poll detects block request", p2i(Thread::current())); |
| 0 | 2005 #endif |
| 2006 ThreadInVMfromNative tivfn(JavaThread::current()); | |
| 2007 } | |
| 2008 } | |
| 2009 | |
|
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|
2010 // wrapper for CodeCache::print_summary() |
|
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|
2011 static void codecache_print(bool detailed) |
|
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|
2012 { |
|
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|
2013 ResourceMark rm; |
|
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|
2014 stringStream s; |
|
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|
2015 // Dump code cache into a buffer before locking the tty, |
|
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|
2016 { |
|
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|
2017 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
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|
2018 CodeCache::print_summary(&s, detailed); |
|
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|
2019 } |
|
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|
2020 ttyLocker ttyl; |
|
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2021 tty->print("%s", s.as_string()); |
|
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|
2022 } |
|
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2023 |
|
15463
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|
2024 void CompileBroker::post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env) { |
|
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2025 |
|
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2026 if (success) { |
|
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|
2027 task->mark_success(); |
|
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|
2028 if (ci_env != NULL) { |
|
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|
2029 task->set_num_inlined_bytecodes(ci_env->num_inlined_bytecodes()); |
|
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2030 } |
|
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|
2031 if (_compilation_log != NULL) { |
|
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|
2032 nmethod* code = task->code(); |
|
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2033 if (code != NULL) { |
|
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|
2034 _compilation_log->log_nmethod(thread, code); |
|
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2035 } |
|
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2036 } |
|
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2037 } |
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2038 |
|
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|
2039 // simulate crash during compilation |
|
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|
2040 assert(task->compile_id() != CICrashAt, "just as planned"); |
|
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2041 if (event.should_commit()) { |
|
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|
2042 event.set_method(task->method()); |
|
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|
2043 event.set_compileID(task->compile_id()); |
|
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|
2044 event.set_compileLevel(task->comp_level()); |
|
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2045 event.set_succeded(task->is_success()); |
|
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|
2046 event.set_isOsr(task->osr_bci() != CompileBroker::standard_entry_bci); |
|
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|
2047 event.set_codeSize((task->code() == NULL) ? 0 : task->code()->total_size()); |
|
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|
2048 event.set_inlinedBytes(task->num_inlined_bytecodes()); |
|
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|
2049 event.commit(); |
|
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|
2050 } |
|
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2051 } |
|
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|
2052 |
| 0 | 2053 // ------------------------------------------------------------------ |
| 2054 // CompileBroker::invoke_compiler_on_method | |
| 2055 // | |
| 2056 // Compile a method. | |
| 2057 // | |
| 2058 void CompileBroker::invoke_compiler_on_method(CompileTask* task) { | |
| 2059 if (PrintCompilation) { | |
| 2060 ResourceMark rm; | |
| 2061 task->print_line(); | |
| 2062 } | |
| 2063 elapsedTimer time; | |
| 2064 | |
| 2065 CompilerThread* thread = CompilerThread::current(); | |
| 2066 ResourceMark rm(thread); | |
| 2067 | |
|
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|
2068 if (LogEvents) { |
|
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|
2069 _compilation_log->log_compile(thread, task); |
|
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|
2070 } |
|
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|
2071 |
| 0 | 2072 // Common flags. |
| 2073 uint compile_id = task->compile_id(); | |
| 2074 int osr_bci = task->osr_bci(); | |
| 2075 bool is_osr = (osr_bci != standard_entry_bci); | |
| 2076 bool should_log = (thread->log() != NULL); | |
| 2077 bool should_break = false; | |
|
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2078 int task_level = task->comp_level(); |
| 0 | 2079 { |
| 2080 // create the handle inside it's own block so it can't | |
| 2081 // accidentally be referenced once the thread transitions to | |
| 2082 // native. The NoHandleMark before the transition should catch | |
| 2083 // any cases where this occurs in the future. | |
|
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2084 methodHandle method(thread, task->method()); |
| 0 | 2085 should_break = check_break_at(method, compile_id, is_osr); |
| 2086 if (should_log && !CompilerOracle::should_log(method)) { | |
| 2087 should_log = false; | |
| 2088 } | |
| 2089 assert(!method->is_native(), "no longer compile natives"); | |
| 2090 | |
| 2091 // Save information about this method in case of failure. | |
|
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2092 set_last_compile(thread, method, is_osr, task_level); |
| 0 | 2093 |
|
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2094 DTRACE_METHOD_COMPILE_BEGIN_PROBE(method, compiler_name(task_level)); |
| 0 | 2095 } |
| 2096 | |
| 2097 // Allocate a new set of JNI handles. | |
| 2098 push_jni_handle_block(); | |
|
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2099 Method* target_handle = task->method(); |
| 0 | 2100 int compilable = ciEnv::MethodCompilable; |
|
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2101 AbstractCompiler *comp = compiler(task_level); |
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2102 |
|
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2103 int system_dictionary_modification_counter; |
| 0 | 2104 { |
|
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|
2105 MutexLocker locker(Compile_lock, thread); |
|
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2106 system_dictionary_modification_counter = SystemDictionary::number_of_modifications(); |
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2107 } |
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2108 #ifdef COMPILERJVMCI |
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2109 if (comp != NULL && comp->is_jvmci()) { |
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2110 JVMCICompiler* jvmci = (JVMCICompiler*) comp; |
|
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2111 |
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2112 TraceTime t1("compilation", &time); |
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2113 EventCompilation event; |
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2114 |
|
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2115 JVMCIEnv env(task, system_dictionary_modification_counter); |
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2116 jvmci->compile_method(target_handle, osr_bci, &env); |
|
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2117 |
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|
2118 post_compile(thread, task, event, task->code() != NULL, NULL); |
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2119 } else |
|
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|
2120 #endif // COMPILERJVMCI |
| 0 | 2121 { |
| 2122 | |
| 2123 NoHandleMark nhm; | |
| 2124 ThreadToNativeFromVM ttn(thread); | |
| 2125 | |
| 2126 ciEnv ci_env(task, system_dictionary_modification_counter); | |
| 2127 if (should_break) { | |
| 2128 ci_env.set_break_at_compile(true); | |
| 2129 } | |
| 2130 if (should_log) { | |
| 2131 ci_env.set_log(thread->log()); | |
| 2132 } | |
| 2133 assert(thread->env() == &ci_env, "set by ci_env"); | |
| 2134 // The thread-env() field is cleared in ~CompileTaskWrapper. | |
| 2135 | |
|
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|
2136 // Cache Jvmti state |
|
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|
2137 ci_env.cache_jvmti_state(); |
|
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|
2138 |
|
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|
2139 // Cache DTrace flags |
|
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|
2140 ci_env.cache_dtrace_flags(); |
|
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|
2141 |
| 0 | 2142 ciMethod* target = ci_env.get_method_from_handle(target_handle); |
| 2143 | |
| 2144 TraceTime t1("compilation", &time); | |
| 10405 | 2145 EventCompilation event; |
| 0 | 2146 |
|
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|
2147 if (comp == NULL) { |
|
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|
2148 ci_env.record_method_not_compilable("no compiler", !TieredCompilation); |
|
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|
2149 } else { |
|
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|
2150 comp->compile_method(&ci_env, target, osr_bci); |
|
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|
2151 } |
| 0 | 2152 |
| 2153 if (!ci_env.failing() && task->code() == NULL) { | |
| 2154 //assert(false, "compiler should always document failure"); | |
| 2155 // The compiler elected, without comment, not to register a result. | |
| 2156 // Do not attempt further compilations of this method. | |
|
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7000349: Tiered reacts incorrectly to C1 compilation failures
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1783
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|
2157 ci_env.record_method_not_compilable("compile failed", !TieredCompilation); |
| 0 | 2158 } |
| 2159 | |
|
4872
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|
2160 // Copy this bit to the enclosing block: |
|
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|
2161 compilable = ci_env.compilable(); |
|
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|
2162 |
| 0 | 2163 if (ci_env.failing()) { |
|
20469
dd89808e49ba
8049530: Provide descriptive failure reason for compilation tasks removed for the queue
vlivanov
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20465
diff
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|
2164 task->set_failure_reason(ci_env.failure_reason()); |
|
4872
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|
2165 const char* retry_message = ci_env.retry_message(); |
|
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|
2166 if (_compilation_log != NULL) { |
|
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4825
diff
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|
2167 _compilation_log->log_failure(thread, task, ci_env.failure_reason(), retry_message); |
|
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|
2168 } |
| 0 | 2169 if (PrintCompilation) { |
|
6800
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|
2170 FormatBufferResource msg = retry_message != NULL ? |
|
9191895df19d
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|
2171 err_msg_res("COMPILE SKIPPED: %s (%s)", ci_env.failure_reason(), retry_message) : |
|
9191895df19d
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|
2172 err_msg_res("COMPILE SKIPPED: %s", ci_env.failure_reason()); |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
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|
2173 task->print_compilation(tty, msg); |
| 0 | 2174 } |
| 2175 } | |
|
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
2176 |
|
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Doug Simon <doug.simon@oracle.com>
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|
2177 post_compile(thread, task, event, !ci_env.failing(), &ci_env); |
| 0 | 2178 } |
| 2179 pop_jni_handle_block(); | |
| 2180 | |
|
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|
2181 methodHandle method(thread, task->method()); |
| 0 | 2182 |
|
10207
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|
2183 DTRACE_METHOD_COMPILE_END_PROBE(method, compiler_name(task_level), task->is_success()); |
| 0 | 2184 |
| 2185 collect_statistics(thread, time, task); | |
| 2186 | |
|
4064
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|
2187 if (PrintCompilation && PrintCompilation2) { |
| 4047 | 2188 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); // print timestamp |
| 2189 tty->print("%4d ", compile_id); // print compilation number | |
| 2190 tty->print("%s ", (is_osr ? "%" : " ")); | |
| 10278 | 2191 if (task->code() != NULL) { |
| 2192 tty->print("size: %d(%d) ", task->code()->total_size(), task->code()->insts_size()); | |
| 2193 } | |
| 2194 tty->print_cr("time: %d inlined: %d bytes", (int)time.milliseconds(), task->num_inlined_bytecodes()); | |
| 4047 | 2195 } |
| 2196 | |
|
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|
2197 if (PrintCodeCacheOnCompilation) |
|
9deda4d8e126
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|
2198 codecache_print(/* detailed= */ false); |
|
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|
2199 |
|
6800
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|
2200 // Disable compilation, if required. |
|
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|
2201 switch (compilable) { |
|
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|
2202 case ciEnv::MethodCompilable_never: |
|
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|
2203 if (is_osr) |
|
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|
2204 method->set_not_osr_compilable_quietly(); |
|
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|
2205 else |
|
1208
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|
2206 method->set_not_compilable_quietly(); |
|
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|
2207 break; |
|
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|
2208 case ciEnv::MethodCompilable_not_at_tier: |
|
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|
2209 if (is_osr) |
|
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|
2210 method->set_not_osr_compilable_quietly(task_level); |
|
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|
2211 else |
|
8771
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|
2212 method->set_not_compilable_quietly(task_level); |
|
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|
2213 break; |
| 0 | 2214 } |
| 2215 | |
| 2216 // Note that the queued_for_compilation bits are cleared without | |
| 2217 // protection of a mutex. [They were set by the requester thread, | |
|
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8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
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|
2218 // when adding the task to the compile queue -- at which time the |
| 0 | 2219 // compile queue lock was held. Subsequently, we acquired the compile |
| 2220 // queue lock to get this task off the compile queue; thus (to belabour | |
| 2221 // the point somewhat) our clearing of the bits must be occurring | |
| 2222 // only after the setting of the bits. See also 14012000 above. | |
| 2223 method->clear_queued_for_compilation(); | |
| 2224 | |
| 2225 #ifdef ASSERT | |
| 2226 if (CollectedHeap::fired_fake_oom()) { | |
| 2227 // The current compile received a fake OOM during compilation so | |
| 2228 // go ahead and exit the VM since the test apparently succeeded | |
| 2229 tty->print_cr("*** Shutting down VM after successful fake OOM"); | |
| 2230 vm_exit(0); | |
| 2231 } | |
| 2232 #endif | |
| 2233 } | |
| 2234 | |
|
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|
2235 /** |
|
78da3894b86f
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|
2236 * The CodeCache is full. Print out warning and disable compilation |
|
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|
2237 * or try code cache cleaning so compilation can continue later. |
|
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|
2238 */ |
| 1202 | 2239 void CompileBroker::handle_full_code_cache() { |
| 2240 UseInterpreter = true; | |
| 2241 if (UseCompiler || AlwaysCompileLoopMethods ) { | |
|
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2242 if (xtty != NULL) { |
|
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|
2243 ResourceMark rm; |
|
2482
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|
2244 stringStream s; |
|
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|
2245 // Dump code cache state into a buffer before locking the tty, |
|
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2246 // because log_state() will use locks causing lock conflicts. |
|
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|
2247 CodeCache::log_state(&s); |
|
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|
2248 // Lock to prevent tearing |
|
dbccacb79c63
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|
2249 ttyLocker ttyl; |
|
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|
2250 xtty->begin_elem("code_cache_full"); |
|
17937
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|
2251 xtty->print("%s", s.as_string()); |
|
1728
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|
2252 xtty->stamp(); |
|
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|
2253 xtty->end_elem(); |
| 1202 | 2254 } |
| 10405 | 2255 |
| 2256 CodeCache::report_codemem_full(); | |
| 2257 | |
|
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|
2258 #ifndef PRODUCT |
| 1202 | 2259 if (CompileTheWorld || ExitOnFullCodeCache) { |
|
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2260 codecache_print(/* detailed= */ true); |
| 1202 | 2261 before_exit(JavaThread::current()); |
| 2262 exit_globals(); // will delete tty | |
| 2263 vm_direct_exit(CompileTheWorld ? 0 : 1); | |
| 2264 } | |
|
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|
2265 #endif |
| 1202 | 2266 if (UseCodeCacheFlushing) { |
|
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|
2267 // Since code cache is full, immediately stop new compiles |
|
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2268 if (CompileBroker::set_should_compile_new_jobs(CompileBroker::stop_compilation)) { |
|
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|
2269 NMethodSweeper::log_sweep("disable_compiler"); |
|
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|
2270 } |
|
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|
2271 // Switch to 'vm_state'. This ensures that possibly_sweep() can be called |
|
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2272 // without having to consider the state in which the current thread is. |
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|
2273 ThreadInVMfromUnknown in_vm; |
|
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|
2274 NMethodSweeper::possibly_sweep(); |
| 1202 | 2275 } else { |
|
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changeset
|
2276 disable_compilation_forever(); |
| 1202 | 2277 } |
|
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|
2278 |
|
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|
2279 // Print warning only once |
|
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|
2280 if (should_print_compiler_warning()) { |
|
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|
2281 warning("CodeCache is full. Compiler has been disabled."); |
|
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|
2282 warning("Try increasing the code cache size using -XX:ReservedCodeCacheSize="); |
|
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|
2283 codecache_print(/* detailed= */ true); |
|
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|
2284 } |
| 1202 | 2285 } |
| 2286 } | |
| 2287 | |
| 2288 // ------------------------------------------------------------------ | |
| 0 | 2289 // CompileBroker::set_last_compile |
| 2290 // | |
| 2291 // Record this compilation for debugging purposes. | |
| 2292 void CompileBroker::set_last_compile(CompilerThread* thread, methodHandle method, bool is_osr, int comp_level) { | |
| 2293 ResourceMark rm; | |
| 2294 char* method_name = method->name()->as_C_string(); | |
| 2295 strncpy(_last_method_compiled, method_name, CompileBroker::name_buffer_length); | |
| 17567 | 2296 _last_method_compiled[CompileBroker::name_buffer_length - 1] = '\0'; // ensure null terminated |
| 0 | 2297 char current_method[CompilerCounters::cmname_buffer_length]; |
| 2298 size_t maxLen = CompilerCounters::cmname_buffer_length; | |
| 2299 | |
| 2300 if (UsePerfData) { | |
|
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|
2301 const char* class_name = method->method_holder()->name()->as_C_string(); |
| 0 | 2302 |
| 2303 size_t s1len = strlen(class_name); | |
| 2304 size_t s2len = strlen(method_name); | |
| 2305 | |
| 2306 // check if we need to truncate the string | |
| 2307 if (s1len + s2len + 2 > maxLen) { | |
| 2308 | |
| 2309 // the strategy is to lop off the leading characters of the | |
| 2310 // class name and the trailing characters of the method name. | |
| 2311 | |
| 2312 if (s2len + 2 > maxLen) { | |
| 2313 // lop of the entire class name string, let snprintf handle | |
| 2314 // truncation of the method name. | |
| 2315 class_name += s1len; // null string | |
| 2316 } | |
| 2317 else { | |
| 2318 // lop off the extra characters from the front of the class name | |
| 2319 class_name += ((s1len + s2len + 2) - maxLen); | |
| 2320 } | |
| 2321 } | |
| 2322 | |
| 2323 jio_snprintf(current_method, maxLen, "%s %s", class_name, method_name); | |
| 2324 } | |
| 2325 | |
| 2326 if (CICountOSR && is_osr) { | |
| 2327 _last_compile_type = osr_compile; | |
| 2328 } else { | |
| 2329 _last_compile_type = normal_compile; | |
| 2330 } | |
| 2331 _last_compile_level = comp_level; | |
| 2332 | |
| 2333 if (UsePerfData) { | |
| 2334 CompilerCounters* counters = thread->counters(); | |
| 2335 counters->set_current_method(current_method); | |
| 2336 counters->set_compile_type((jlong)_last_compile_type); | |
| 2337 } | |
| 2338 } | |
| 2339 | |
| 2340 | |
| 2341 // ------------------------------------------------------------------ | |
| 2342 // CompileBroker::push_jni_handle_block | |
| 2343 // | |
| 2344 // Push on a new block of JNI handles. | |
| 2345 void CompileBroker::push_jni_handle_block() { | |
| 2346 JavaThread* thread = JavaThread::current(); | |
| 2347 | |
| 2348 // Allocate a new block for JNI handles. | |
| 2349 // Inlined code from jni_PushLocalFrame() | |
| 2350 JNIHandleBlock* java_handles = thread->active_handles(); | |
| 2351 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); | |
| 2352 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); | |
| 2353 compile_handles->set_pop_frame_link(java_handles); // make sure java handles get gc'd. | |
| 2354 thread->set_active_handles(compile_handles); | |
| 2355 } | |
| 2356 | |
| 2357 | |
| 2358 // ------------------------------------------------------------------ | |
| 2359 // CompileBroker::pop_jni_handle_block | |
| 2360 // | |
| 2361 // Pop off the current block of JNI handles. | |
| 2362 void CompileBroker::pop_jni_handle_block() { | |
| 2363 JavaThread* thread = JavaThread::current(); | |
| 2364 | |
| 2365 // Release our JNI handle block | |
| 2366 JNIHandleBlock* compile_handles = thread->active_handles(); | |
| 2367 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); | |
| 2368 thread->set_active_handles(java_handles); | |
| 2369 compile_handles->set_pop_frame_link(NULL); | |
| 2370 JNIHandleBlock::release_block(compile_handles, thread); // may block | |
| 2371 } | |
| 2372 | |
| 2373 | |
| 2374 // ------------------------------------------------------------------ | |
| 2375 // CompileBroker::check_break_at | |
| 2376 // | |
| 2377 // Should the compilation break at the current compilation. | |
| 2378 bool CompileBroker::check_break_at(methodHandle method, int compile_id, bool is_osr) { | |
| 2379 if (CICountOSR && is_osr && (compile_id == CIBreakAtOSR)) { | |
| 2380 return true; | |
| 2381 } else if( CompilerOracle::should_break_at(method) ) { // break when compiling | |
| 2382 return true; | |
| 2383 } else { | |
| 2384 return (compile_id == CIBreakAt); | |
| 2385 } | |
| 2386 } | |
| 2387 | |
| 2388 // ------------------------------------------------------------------ | |
| 2389 // CompileBroker::collect_statistics | |
| 2390 // | |
| 2391 // Collect statistics about the compilation. | |
| 2392 | |
| 2393 void CompileBroker::collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task) { | |
| 2394 bool success = task->is_success(); | |
|
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|
2395 methodHandle method (thread, task->method()); |
| 0 | 2396 uint compile_id = task->compile_id(); |
| 2397 bool is_osr = (task->osr_bci() != standard_entry_bci); | |
| 2398 nmethod* code = task->code(); | |
| 2399 CompilerCounters* counters = thread->counters(); | |
| 2400 | |
| 2401 assert(code == NULL || code->is_locked_by_vm(), "will survive the MutexLocker"); | |
| 2402 MutexLocker locker(CompileStatistics_lock); | |
| 2403 | |
| 2404 // _perf variables are production performance counters which are | |
| 2405 // updated regardless of the setting of the CITime and CITimeEach flags | |
| 2406 // | |
| 2407 if (!success) { | |
| 2408 _total_bailout_count++; | |
| 2409 if (UsePerfData) { | |
| 2410 _perf_last_failed_method->set_value(counters->current_method()); | |
| 2411 _perf_last_failed_type->set_value(counters->compile_type()); | |
| 2412 _perf_total_bailout_count->inc(); | |
| 2413 } | |
| 2414 } else if (code == NULL) { | |
| 2415 if (UsePerfData) { | |
| 2416 _perf_last_invalidated_method->set_value(counters->current_method()); | |
| 2417 _perf_last_invalidated_type->set_value(counters->compile_type()); | |
| 2418 _perf_total_invalidated_count->inc(); | |
| 2419 } | |
| 2420 _total_invalidated_count++; | |
| 2421 } else { | |
| 2422 // Compilation succeeded | |
| 2423 | |
| 2424 // update compilation ticks - used by the implementation of | |
| 2425 // java.lang.management.CompilationMBean | |
| 2426 _perf_total_compilation->inc(time.ticks()); | |
| 2427 | |
| 10405 | 2428 _t_total_compilation.add(time); |
| 2429 _peak_compilation_time = time.milliseconds() > _peak_compilation_time ? time.milliseconds() : _peak_compilation_time; | |
| 2430 | |
| 0 | 2431 if (CITime) { |
|
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|
2432 int bytes_compiled = method->code_size() + task->num_inlined_bytecodes(); |
|
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|
2433 JVMCI_ONLY(CompilerStatistics* stats = compiler(task->comp_level())->stats();) |
| 0 | 2434 if (is_osr) { |
| 2435 _t_osr_compilation.add(time); | |
|
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|
2436 _sum_osr_bytes_compiled += bytes_compiled; |
|
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
2437 JVMCI_ONLY(stats->_osr.update(time, bytes_compiled);) |
| 0 | 2438 } else { |
| 2439 _t_standard_compilation.add(time); | |
| 2440 _sum_standard_bytes_compiled += method->code_size() + task->num_inlined_bytecodes(); | |
|
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Doug Simon <doug.simon@oracle.com>
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changeset
|
2441 JVMCI_ONLY(stats->_standard.update(time, bytes_compiled);) |
| 0 | 2442 } |
|
21559
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|
2443 JVMCI_ONLY(stats->_nmethods_size += code->total_size();) |
|
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|
2444 JVMCI_ONLY(stats->_nmethods_code_size += code->insts_size();) |
| 0 | 2445 } |
| 2446 | |
| 2447 if (UsePerfData) { | |
| 2448 // save the name of the last method compiled | |
| 2449 _perf_last_method->set_value(counters->current_method()); | |
| 2450 _perf_last_compile_type->set_value(counters->compile_type()); | |
| 2451 _perf_last_compile_size->set_value(method->code_size() + | |
| 2452 task->num_inlined_bytecodes()); | |
| 2453 if (is_osr) { | |
| 2454 _perf_osr_compilation->inc(time.ticks()); | |
| 2455 _perf_sum_osr_bytes_compiled->inc(method->code_size() + task->num_inlined_bytecodes()); | |
| 2456 } else { | |
| 2457 _perf_standard_compilation->inc(time.ticks()); | |
| 2458 _perf_sum_standard_bytes_compiled->inc(method->code_size() + task->num_inlined_bytecodes()); | |
| 2459 } | |
| 2460 } | |
| 2461 | |
| 2462 if (CITimeEach) { | |
| 2463 float bytes_per_sec = 1.0 * (method->code_size() + task->num_inlined_bytecodes()) / time.seconds(); | |
| 2464 tty->print_cr("%3d seconds: %f bytes/sec : %f (bytes %d + %d inlined)", | |
| 2465 compile_id, time.seconds(), bytes_per_sec, method->code_size(), task->num_inlined_bytecodes()); | |
| 2466 } | |
| 2467 | |
| 2468 // Collect counts of successful compilations | |
| 1748 | 2469 _sum_nmethod_size += code->total_size(); |
| 2470 _sum_nmethod_code_size += code->insts_size(); | |
| 0 | 2471 _total_compile_count++; |
| 2472 | |
| 2473 if (UsePerfData) { | |
| 1748 | 2474 _perf_sum_nmethod_size->inc( code->total_size()); |
| 2475 _perf_sum_nmethod_code_size->inc(code->insts_size()); | |
| 0 | 2476 _perf_total_compile_count->inc(); |
| 2477 } | |
| 2478 | |
| 2479 if (is_osr) { | |
| 2480 if (UsePerfData) _perf_total_osr_compile_count->inc(); | |
| 2481 _total_osr_compile_count++; | |
| 2482 } else { | |
| 2483 if (UsePerfData) _perf_total_standard_compile_count->inc(); | |
| 2484 _total_standard_compile_count++; | |
| 2485 } | |
| 2486 } | |
| 2487 // set the current method for the thread to null | |
| 2488 if (UsePerfData) counters->set_current_method(""); | |
| 2489 } | |
| 2490 | |
|
8771
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|
2491 const char* CompileBroker::compiler_name(int comp_level) { |
|
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|
2492 AbstractCompiler *comp = CompileBroker::compiler(comp_level); |
|
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|
2493 if (comp == NULL) { |
|
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|
2494 return "no compiler"; |
|
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|
2495 } else { |
|
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|
2496 return (comp->name()); |
|
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|
2497 } |
|
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|
2498 } |
| 0 | 2499 |
| 22298 | 2500 #if INCLUDE_JVMCI |
|
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2501 void CompileBroker::print_times(AbstractCompiler* comp) { |
|
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|
2502 CompilerStatistics* stats = comp->stats(); |
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2503 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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|
2504 comp->name(), stats->bytes_per_second(), |
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2505 stats->_standard._time.seconds(), stats->_standard._bytes, stats->_standard._count, |
|
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|
2506 stats->_osr._time.seconds(), stats->_osr._bytes, stats->_osr._count, |
|
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2507 stats->_nmethods_size, stats->_nmethods_code_size); |
|
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|
2508 comp->print_timers(); |
|
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2509 } |
|
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2510 #endif |
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2511 |
|
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2512 void CompileBroker::print_times(bool per_compiler, bool aggregate) { |
| 22298 | 2513 #if INCLUDE_JVMCI |
|
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2514 elapsedTimer standard_compilation; |
|
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2515 elapsedTimer total_compilation; |
|
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2516 elapsedTimer osr_compilation; |
|
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2517 |
|
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2518 int standard_bytes_compiled = 0; |
|
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2519 int osr_bytes_compiled = 0; |
|
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2520 |
|
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2521 int standard_compile_count = 0; |
|
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2522 int osr_compile_count = 0; |
|
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2523 int total_compile_count = 0; |
|
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2524 |
|
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2525 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
|
2526 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
|
2527 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
|
2528 |
|
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
|
2529 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
|
2530 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
|
2531 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
|
2532 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
|
2533 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
|
2534 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
|
2535 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
|
2536 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
|
2537 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
|
2538 } |
|
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
|
2539 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
|
2540 |
|
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
|
2541 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
|
2542 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
|
2543 |
|
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
|
2544 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
|
2545 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
|
2546 |
|
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
|
2547 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
|
2548 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
|
2549 |
|
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
|
2550 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
|
2551 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
|
2552 |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2553 if (per_compiler) { |
|
16006
66a9286203a2
decoupled Graal runtime initialization and Graal compilation queue initialization
Doug Simon <doug.simon@oracle.com>
parents:
15494
diff
changeset
|
2554 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
|
2555 } |
|
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
|
2556 } |
|
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
|
2557 } |
|
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
|
2558 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
|
2559 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
|
2560 total_compilation.add(standard_compilation); |
|
18171
9bb816169777
Report code install timer in hosted mode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18125
diff
changeset
|
2561 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2562 #ifndef COMPILERJVMCI |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21527
diff
changeset
|
2563 // 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
|
2564 JVMCICompiler::print_compilation_timers(); |
|
18171
9bb816169777
Report code install timer in hosted mode
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18125
diff
changeset
|
2565 #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
|
2566 #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
|
2567 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
|
2568 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
|
2569 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
|
2570 |
|
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
|
2571 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
|
2572 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
|
2573 |
|
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
|
2574 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
|
2575 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
|
2576 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
|
2577 |
|
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
|
2578 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
|
2579 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
|
2580 #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
|
2581 |
|
13364
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2582 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
|
2583 return; |
|
5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
Doug Simon <doug.simon@oracle.com>
parents:
13107
diff
changeset
|
2584 } |
| 0 | 2585 tty->cr(); |
| 2586 tty->print_cr("Accumulated compiler times (for compiled methods only)"); | |
| 2587 tty->print_cr("------------------------------------------------"); | |
| 2588 //0000000000111111111122222222223333333333444444444455555555556666666666 | |
| 2589 //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
|
2590 tty->print_cr(" Total compilation time : %6.3f s", total_compilation.seconds()); |
| 0 | 2591 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
|
2592 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
|
2593 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
|
2594 tty->print_cr(" On stack replacement : %6.3f s, Average : %2.3f", osr_compilation.seconds(), osr_compilation.seconds() / osr_compile_count); |
| 1131 | 2595 |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2596 AbstractCompiler *comp = compiler(CompLevel_simple); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2597 if (comp != NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2598 comp->print_timers(); |
| 0 | 2599 } |
|
8771
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2600 comp = compiler(CompLevel_full_optimization); |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2601 if (comp != NULL) { |
|
75a28f465a12
8008663: [parfait] Null pointer deference in hotspot/src/share/vm/compiler/compileBroker.cpp
morris
parents:
8730
diff
changeset
|
2602 comp->print_timers(); |
| 1783 | 2603 } |
| 0 | 2604 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
|
2605 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
|
2606 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
|
2607 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
|
2608 int tcb = osr_bytes_compiled + standard_bytes_compiled; |
| 0 | 2609 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
|
2610 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
|
2611 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
|
2612 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
|
2613 int bps = tcs == 0.0 ? 0 : (int)(tcb / tcs); |
| 0 | 2614 tty->print_cr(" Average compilation speed: %6d bytes/s", bps); |
| 2615 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
|
2616 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
|
2617 tty->print_cr(" nmethod total size : %6d bytes", nmethods_size); |
| 0 | 2618 } |
| 2619 | |
| 2620 // Debugging output for failure | |
| 2621 void CompileBroker::print_last_compile() { | |
| 2622 if ( _last_compile_level != CompLevel_none && | |
| 2623 compiler(_last_compile_level) != NULL && | |
| 2624 _last_method_compiled != NULL && | |
| 2625 _last_compile_type != no_compile) { | |
| 2626 if (_last_compile_type == osr_compile) { | |
| 2627 tty->print_cr("Last parse: [osr]%d+++(%d) %s", | |
| 2628 _osr_compilation_id, _last_compile_level, _last_method_compiled); | |
| 2629 } else { | |
| 2630 tty->print_cr("Last parse: %d+++(%d) %s", | |
| 2631 _compilation_id, _last_compile_level, _last_method_compiled); | |
| 2632 } | |
| 2633 } | |
| 2634 } | |
| 2635 | |
| 2636 | |
| 2637 void CompileBroker::print_compiler_threads_on(outputStream* st) { | |
| 2638 #ifndef PRODUCT | |
| 2639 st->print_cr("Compiler thread printing unimplemented."); | |
| 2640 st->cr(); | |
| 2641 #endif | |
| 2642 } |