Mercurial > hg > graal-jvmci-8
annotate src/share/vm/compiler/compileBroker.hpp @ 23408:f84a5ac3be22
make JVMCI JDK immutable and sharable among different JVMCI clients
minimize diff to jvmci-9, including adding support for EnableJVMCI (default is true in jvmci-8)
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 30 May 2016 22:56:59 +0200 |
| parents | 3ef45d0a6d77 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 10405 | 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_COMPILER_COMPILEBROKER_HPP |
| 26 #define SHARE_VM_COMPILER_COMPILEBROKER_HPP | |
| 27 | |
| 28 #include "ci/compilerInterface.hpp" | |
| 29 #include "compiler/abstractCompiler.hpp" | |
| 30 #include "runtime/perfData.hpp" | |
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31 #include "trace/tracing.hpp" |
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32 #if INCLUDE_JVMCI |
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33 #include "jvmci/jvmciCompiler.hpp" |
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34 #endif |
| 1972 | 35 |
| 0 | 36 class nmethod; |
| 37 class nmethodLocker; | |
| 38 | |
| 39 // CompileTask | |
| 40 // | |
| 41 // An entry in the compile queue. It represents a pending or current | |
| 42 // compilation. | |
| 6197 | 43 class CompileTask : public CHeapObj<mtCompiler> { |
| 3939 | 44 friend class VMStructs; |
| 45 | |
| 0 | 46 private: |
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47 static CompileTask* _task_free_list; |
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48 #ifdef ASSERT |
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49 static int _num_allocated_tasks; |
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50 #endif |
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51 |
| 0 | 52 Monitor* _lock; |
| 53 uint _compile_id; | |
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54 Method* _method; |
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55 jobject _method_holder; |
| 0 | 56 int _osr_bci; |
| 57 bool _is_complete; | |
| 58 bool _is_success; | |
| 59 bool _is_blocking; | |
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60 #if INCLUDE_JVMCI |
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61 bool _has_waiter; |
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62 // Compiler thread for a blocking JVMCI compilation |
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63 CompilerThread* _jvmci_compiler_thread; |
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64 #endif |
| 0 | 65 int _comp_level; |
| 66 int _num_inlined_bytecodes; | |
| 67 nmethodLocker* _code_handle; // holder of eventual result | |
| 1783 | 68 CompileTask* _next, *_prev; |
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69 bool _is_free; |
| 0 | 70 // Fields used for logging why the compilation was initiated: |
| 71 jlong _time_queued; // in units of os::elapsed_counter() | |
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72 Method* _hot_method; // which method actually triggered this task |
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73 jobject _hot_method_holder; |
| 0 | 74 int _hot_count; // information about its invocation counter |
| 75 const char* _comment; // more info about the task | |
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76 const char* _failure_reason; |
| 0 | 77 |
| 78 public: | |
| 79 CompileTask() { | |
| 80 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
| 81 } | |
| 82 | |
| 83 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
| 84 methodHandle hot_method, int hot_count, const char* comment, | |
| 85 bool is_blocking); | |
| 86 | |
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87 static CompileTask* allocate(); |
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88 static void free(CompileTask* task); |
| 0 | 89 |
| 90 int compile_id() const { return _compile_id; } | |
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91 Method* method() const { return _method; } |
| 0 | 92 int osr_bci() const { return _osr_bci; } |
| 93 bool is_complete() const { return _is_complete; } | |
| 94 bool is_blocking() const { return _is_blocking; } | |
| 95 bool is_success() const { return _is_success; } | |
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96 #if INCLUDE_JVMCI |
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97 bool has_waiter() const { return _has_waiter; } |
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98 void clear_waiter() { _has_waiter = false; } |
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99 CompilerThread* jvmci_compiler_thread() const { return _jvmci_compiler_thread; } |
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100 void set_jvmci_compiler_thread(CompilerThread* t) { |
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101 assert(is_blocking(), "must be"); |
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102 assert((t == NULL) != (_jvmci_compiler_thread == NULL), "must be"); |
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103 _jvmci_compiler_thread = t; |
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104 } |
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105 #endif |
| 0 | 106 |
| 107 nmethodLocker* code_handle() const { return _code_handle; } | |
| 108 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
| 109 nmethod* code() const; // _code_handle->code() | |
| 110 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
| 111 | |
| 112 Monitor* lock() const { return _lock; } | |
| 113 | |
| 114 void mark_complete() { _is_complete = true; } | |
| 115 void mark_success() { _is_success = true; } | |
| 116 | |
| 117 int comp_level() { return _comp_level;} | |
| 118 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
| 119 | |
| 120 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
| 121 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
| 122 | |
| 123 CompileTask* next() const { return _next; } | |
| 124 void set_next(CompileTask* next) { _next = next; } | |
| 1783 | 125 CompileTask* prev() const { return _prev; } |
| 126 void set_prev(CompileTask* prev) { _prev = prev; } | |
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127 bool is_free() const { return _is_free; } |
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128 void set_is_free(bool val) { _is_free = val; } |
| 0 | 129 |
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130 private: |
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131 static void print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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132 bool is_osr_method = false, int osr_bci = -1, bool is_blocking = false, |
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133 const char* msg = NULL, bool short_form = false); |
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134 |
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135 public: |
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136 void print_compilation(outputStream* st = tty, const char* msg = NULL, bool short_form = false); |
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137 static void print_compilation(outputStream* st, const nmethod* nm, const char* msg = NULL, bool short_form = false) { |
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138 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), |
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139 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /*is_blocking*/ false, |
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140 msg, short_form); |
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141 } |
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142 |
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143 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); |
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144 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { |
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145 print_inlining(tty, method, inline_level, bci, msg); |
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146 } |
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147 |
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148 // Redefine Classes support |
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149 void mark_on_stack(); |
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150 |
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151 static void print_inline_indent(int inline_level, outputStream* st = tty); |
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152 |
| 0 | 153 void print(); |
| 154 void print_line(); | |
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155 void print_line_on_error(outputStream* st, char* buf, int buflen); |
| 1783 | 156 |
| 0 | 157 void log_task(xmlStream* log); |
| 158 void log_task_queued(); | |
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159 void log_task_dequeued(const char* comment); |
| 0 | 160 void log_task_start(CompileLog* log); |
| 161 void log_task_done(CompileLog* log); | |
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162 |
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163 void set_failure_reason(const char* reason) { |
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164 _failure_reason = reason; |
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165 } |
| 0 | 166 }; |
| 167 | |
| 168 // CompilerCounters | |
| 169 // | |
| 170 // Per Compiler Performance Counters. | |
| 171 // | |
| 6197 | 172 class CompilerCounters : public CHeapObj<mtCompiler> { |
| 0 | 173 |
| 174 public: | |
| 175 enum { | |
| 176 cmname_buffer_length = 160 | |
| 177 }; | |
| 178 | |
| 179 private: | |
| 180 | |
| 181 char _current_method[cmname_buffer_length]; | |
| 182 PerfStringVariable* _perf_current_method; | |
| 183 | |
| 184 int _compile_type; | |
| 185 PerfVariable* _perf_compile_type; | |
| 186 | |
| 187 PerfCounter* _perf_time; | |
| 188 PerfCounter* _perf_compiles; | |
| 189 | |
| 190 public: | |
| 191 CompilerCounters(const char* name, int instance, TRAPS); | |
| 192 | |
| 193 // these methods should be called in a thread safe context | |
| 194 | |
| 195 void set_current_method(const char* method) { | |
| 196 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
| 197 if (UsePerfData) _perf_current_method->set_value(method); | |
| 198 } | |
| 199 | |
| 200 char* current_method() { return _current_method; } | |
| 201 | |
| 202 void set_compile_type(int compile_type) { | |
| 203 _compile_type = compile_type; | |
| 204 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
| 205 } | |
| 206 | |
| 207 int compile_type() { return _compile_type; } | |
| 208 | |
| 209 PerfCounter* time_counter() { return _perf_time; } | |
| 210 PerfCounter* compile_counter() { return _perf_compiles; } | |
| 211 }; | |
| 212 | |
| 213 // CompileQueue | |
| 214 // | |
| 215 // A list of CompileTasks. | |
| 6197 | 216 class CompileQueue : public CHeapObj<mtCompiler> { |
| 0 | 217 private: |
| 218 const char* _name; | |
| 219 Monitor* _lock; | |
| 220 | |
| 221 CompileTask* _first; | |
| 222 CompileTask* _last; | |
| 223 | |
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224 CompileTask* _first_stale; |
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225 |
| 1783 | 226 int _size; |
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227 |
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228 void purge_stale_tasks(); |
| 0 | 229 public: |
| 230 CompileQueue(const char* name, Monitor* lock) { | |
| 231 _name = name; | |
| 232 _lock = lock; | |
| 233 _first = NULL; | |
| 234 _last = NULL; | |
| 1783 | 235 _size = 0; |
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236 _first_stale = NULL; |
| 0 | 237 } |
| 238 | |
| 239 const char* name() const { return _name; } | |
| 240 Monitor* lock() const { return _lock; } | |
| 241 | |
| 242 void add(CompileTask* task); | |
| 1783 | 243 void remove(CompileTask* task); |
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244 void remove_and_mark_stale(CompileTask* task); |
| 1783 | 245 CompileTask* first() { return _first; } |
| 246 CompileTask* last() { return _last; } | |
| 0 | 247 |
| 248 CompileTask* get(); | |
| 249 | |
| 250 bool is_empty() const { return _first == NULL; } | |
| 1783 | 251 int size() const { return _size; } |
| 0 | 252 |
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253 |
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254 // Redefine Classes support |
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255 void mark_on_stack(); |
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256 void free_all(); |
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257 NOT_PRODUCT (void print();) |
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258 |
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259 ~CompileQueue() { |
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260 assert (is_empty(), " Compile Queue must be empty"); |
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261 } |
| 0 | 262 }; |
| 263 | |
| 1783 | 264 // CompileTaskWrapper |
| 265 // | |
| 266 // Assign this task to the current thread. Deallocate the task | |
| 267 // when the compilation is complete. | |
| 268 class CompileTaskWrapper : StackObj { | |
| 269 public: | |
| 270 CompileTaskWrapper(CompileTask* task); | |
| 271 ~CompileTaskWrapper(); | |
| 272 }; | |
| 273 | |
| 0 | 274 |
| 275 // Compilation | |
| 276 // | |
| 277 // The broker for all compilation requests. | |
| 278 class CompileBroker: AllStatic { | |
| 279 friend class Threads; | |
| 280 friend class CompileTaskWrapper; | |
| 281 | |
| 282 public: | |
| 283 enum { | |
| 284 name_buffer_length = 100 | |
| 285 }; | |
| 286 | |
| 287 // Compile type Information for print_last_compile() and CompilerCounters | |
| 288 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
| 14236 | 289 static int assign_compile_id (methodHandle method, int osr_bci); |
| 290 | |
| 0 | 291 |
| 292 private: | |
| 293 static bool _initialized; | |
| 294 static volatile bool _should_block; | |
| 295 | |
| 1202 | 296 // This flag can be used to stop compilation or turn it back on |
| 297 static volatile jint _should_compile_new_jobs; | |
| 298 | |
| 0 | 299 // The installed compiler(s) |
| 300 static AbstractCompiler* _compilers[2]; | |
| 301 | |
| 302 // These counters are used for assigning id's to each compilation | |
| 14236 | 303 static volatile jint _compilation_id; |
| 304 static volatile jint _osr_compilation_id; | |
| 0 | 305 |
| 306 static int _last_compile_type; | |
| 307 static int _last_compile_level; | |
| 308 static char _last_method_compiled[name_buffer_length]; | |
| 309 | |
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310 static CompileQueue* _c2_compile_queue; |
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311 static CompileQueue* _c1_compile_queue; |
| 0 | 312 |
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313 static GrowableArray<CompilerThread*>* _compiler_threads; |
| 0 | 314 |
| 315 // performance counters | |
| 316 static PerfCounter* _perf_total_compilation; | |
| 317 static PerfCounter* _perf_native_compilation; | |
| 318 static PerfCounter* _perf_osr_compilation; | |
| 319 static PerfCounter* _perf_standard_compilation; | |
| 320 | |
| 321 static PerfCounter* _perf_total_bailout_count; | |
| 322 static PerfCounter* _perf_total_invalidated_count; | |
| 323 static PerfCounter* _perf_total_compile_count; | |
| 324 static PerfCounter* _perf_total_native_compile_count; | |
| 325 static PerfCounter* _perf_total_osr_compile_count; | |
| 326 static PerfCounter* _perf_total_standard_compile_count; | |
| 327 | |
| 328 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
| 329 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
| 330 static PerfCounter* _perf_sum_nmethod_size; | |
| 331 static PerfCounter* _perf_sum_nmethod_code_size; | |
| 332 | |
| 333 static PerfStringVariable* _perf_last_method; | |
| 334 static PerfStringVariable* _perf_last_failed_method; | |
| 335 static PerfStringVariable* _perf_last_invalidated_method; | |
| 336 static PerfVariable* _perf_last_compile_type; | |
| 337 static PerfVariable* _perf_last_compile_size; | |
| 338 static PerfVariable* _perf_last_failed_type; | |
| 339 static PerfVariable* _perf_last_invalidated_type; | |
| 340 | |
| 341 // Timers and counters for generating statistics | |
| 342 static elapsedTimer _t_total_compilation; | |
| 343 static elapsedTimer _t_osr_compilation; | |
| 344 static elapsedTimer _t_standard_compilation; | |
| 345 | |
| 10405 | 346 static int _total_compile_count; |
| 0 | 347 static int _total_bailout_count; |
| 348 static int _total_invalidated_count; | |
| 349 static int _total_native_compile_count; | |
| 350 static int _total_osr_compile_count; | |
| 351 static int _total_standard_compile_count; | |
| 352 static int _sum_osr_bytes_compiled; | |
| 353 static int _sum_standard_bytes_compiled; | |
| 354 static int _sum_nmethod_size; | |
| 355 static int _sum_nmethod_code_size; | |
| 10405 | 356 static long _peak_compilation_time; |
| 0 | 357 |
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358 static volatile jint _print_compilation_warning; |
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359 |
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360 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, TRAPS); |
| 1783 | 361 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
| 0 | 362 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
| 363 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
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364 static bool is_compile_blocking (); |
| 0 | 365 static void preload_classes (methodHandle method, TRAPS); |
| 366 | |
| 367 static CompileTask* create_compile_task(CompileQueue* queue, | |
| 368 int compile_id, | |
| 369 methodHandle method, | |
| 370 int osr_bci, | |
| 371 int comp_level, | |
| 372 methodHandle hot_method, | |
| 373 int hot_count, | |
| 374 const char* comment, | |
| 375 bool blocking); | |
| 376 static void wait_for_completion(CompileTask* task); | |
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377 #if INCLUDE_JVMCI |
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378 static bool wait_for_jvmci_completion(JVMCICompiler* comp, CompileTask* task, JavaThread* thread); |
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379 #endif |
| 0 | 380 |
| 381 static void invoke_compiler_on_method(CompileTask* task); | |
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382 static void post_compile(CompilerThread* thread, CompileTask* task, EventCompilation& event, bool success, ciEnv* ci_env); |
| 0 | 383 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); |
| 384 static void push_jni_handle_block(); | |
| 385 static void pop_jni_handle_block(); | |
| 386 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
| 387 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
| 388 | |
| 389 static void compile_method_base(methodHandle method, | |
| 390 int osr_bci, | |
| 391 int comp_level, | |
| 392 methodHandle hot_method, | |
| 393 int hot_count, | |
| 394 const char* comment, | |
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395 Thread* thread); |
| 1783 | 396 static CompileQueue* compile_queue(int comp_level) { |
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397 if (is_c2_compile(comp_level)) return _c2_compile_queue; |
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398 if (is_c1_compile(comp_level)) return _c1_compile_queue; |
| 1783 | 399 return NULL; |
| 400 } | |
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401 static bool init_compiler_runtime(); |
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402 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); |
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403 |
| 0 | 404 public: |
| 405 enum { | |
| 406 // The entry bci used for non-OSR compilations. | |
| 407 standard_entry_bci = InvocationEntryBci | |
| 408 }; | |
| 409 | |
| 1783 | 410 static AbstractCompiler* compiler(int comp_level) { |
| 411 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
| 412 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
| 413 return NULL; | |
| 0 | 414 } |
| 415 | |
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416 static bool compilation_is_in_queue(methodHandle method); |
| 1783 | 417 static int queue_size(int comp_level) { |
| 418 CompileQueue *q = compile_queue(comp_level); | |
| 419 return q != NULL ? q->size() : 0; | |
| 420 } | |
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421 static void compilation_init(TRAPS); |
| 0 | 422 static void init_compiler_thread_log(); |
| 1783 | 423 static nmethod* compile_method(methodHandle method, |
| 424 int osr_bci, | |
| 425 int comp_level, | |
| 426 methodHandle hot_method, | |
| 427 int hot_count, | |
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428 const char* comment, Thread* thread); |
| 0 | 429 |
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430 // Acquire any needed locks and assign a compile id |
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431 static uint assign_compile_id_unlocked(Thread* thread, methodHandle method, int osr_bci); |
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432 |
| 0 | 433 static void compiler_thread_loop(); |
| 1202 | 434 static uint get_compilation_id() { return _compilation_id; } |
| 0 | 435 |
| 436 // Set _should_block. | |
| 437 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
| 438 static void set_should_block(); | |
| 439 | |
| 440 // Call this from the compiler at convenient points, to poll for _should_block. | |
| 441 static void maybe_block(); | |
| 442 | |
| 1202 | 443 enum { |
| 444 // Flags for toggling compiler activity | |
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445 stop_compilation = 0, |
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446 run_compilation = 1, |
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447 shutdown_compilaton = 2 |
| 1202 | 448 }; |
| 449 | |
| 450 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
| 451 static bool set_should_compile_new_jobs(jint new_state) { | |
| 452 // Return success if the current caller set it | |
| 453 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
| 454 return (old == (1-new_state)); | |
| 455 } | |
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456 |
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457 static void disable_compilation_forever() { |
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458 UseCompiler = false; |
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459 AlwaysCompileLoopMethods = false; |
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460 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); |
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461 } |
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462 |
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463 static bool is_compilation_disabled_forever() { |
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464 return _should_compile_new_jobs == shutdown_compilaton; |
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465 } |
| 1202 | 466 static void handle_full_code_cache(); |
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467 // Ensures that warning is only printed once. |
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468 static bool should_print_compiler_warning() { |
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469 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); |
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470 return old == 0; |
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471 } |
| 0 | 472 // Return total compilation ticks |
| 473 static jlong total_compilation_ticks() { | |
| 474 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
| 475 } | |
| 476 | |
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477 // Redefine Classes support |
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478 static void mark_on_stack(); |
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479 |
| 22298 | 480 #if INCLUDE_JVMCI |
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481 // Print curent compilation time stats for a given compiler |
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482 static void print_times(AbstractCompiler* comp); |
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483 #endif |
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484 |
| 0 | 485 // Print a detailed accounting of compilation time |
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486 static void print_times(bool per_compiler = true, bool aggregate = true); |
| 0 | 487 |
| 488 // Debugging output for failure | |
| 489 static void print_last_compile(); | |
| 490 | |
| 491 static void print_compiler_threads_on(outputStream* st); | |
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492 |
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493 // compiler name for debugging |
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494 static const char* compiler_name(int comp_level); |
| 10405 | 495 |
| 496 static int get_total_compile_count() { return _total_compile_count; } | |
| 497 static int get_total_bailout_count() { return _total_bailout_count; } | |
| 498 static int get_total_invalidated_count() { return _total_invalidated_count; } | |
| 499 static int get_total_native_compile_count() { return _total_native_compile_count; } | |
| 500 static int get_total_osr_compile_count() { return _total_osr_compile_count; } | |
| 501 static int get_total_standard_compile_count() { return _total_standard_compile_count; } | |
| 502 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } | |
| 503 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } | |
| 504 static int get_sum_nmethod_size() { return _sum_nmethod_size;} | |
| 505 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } | |
| 506 static long get_peak_compilation_time() { return _peak_compilation_time; } | |
| 507 static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } | |
| 0 | 508 }; |
| 1972 | 509 |
| 510 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |