Mercurial > hg > truffle
annotate src/share/vm/compiler/compileBroker.hpp @ 14694:58cf34613a72
8036976: PPC64: implement the template interpreter
Reviewed-by: kvn, coleenp
Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com
author | goetz |
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date | Mon, 10 Mar 2014 12:58:02 +0100 |
parents | 7c0122ed05fb |
children | d8041d695d19 7301840ea20e |
rev | line source |
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0 | 1 /* |
10405 | 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_COMPILER_COMPILEBROKER_HPP |
26 #define SHARE_VM_COMPILER_COMPILEBROKER_HPP | |
27 | |
28 #include "ci/compilerInterface.hpp" | |
29 #include "compiler/abstractCompiler.hpp" | |
30 #include "runtime/perfData.hpp" | |
31 | |
0 | 32 class nmethod; |
33 class nmethodLocker; | |
34 | |
35 // CompileTask | |
36 // | |
37 // An entry in the compile queue. It represents a pending or current | |
38 // compilation. | |
6197 | 39 class CompileTask : public CHeapObj<mtCompiler> { |
3939 | 40 friend class VMStructs; |
41 | |
0 | 42 private: |
43 Monitor* _lock; | |
44 uint _compile_id; | |
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45 Method* _method; |
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46 jobject _method_holder; |
0 | 47 int _osr_bci; |
48 bool _is_complete; | |
49 bool _is_success; | |
50 bool _is_blocking; | |
51 int _comp_level; | |
52 int _num_inlined_bytecodes; | |
53 nmethodLocker* _code_handle; // holder of eventual result | |
1783 | 54 CompileTask* _next, *_prev; |
0 | 55 |
56 // Fields used for logging why the compilation was initiated: | |
57 jlong _time_queued; // in units of os::elapsed_counter() | |
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58 Method* _hot_method; // which method actually triggered this task |
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59 jobject _hot_method_holder; |
0 | 60 int _hot_count; // information about its invocation counter |
61 const char* _comment; // more info about the task | |
62 | |
63 public: | |
64 CompileTask() { | |
65 _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); | |
66 } | |
67 | |
68 void initialize(int compile_id, methodHandle method, int osr_bci, int comp_level, | |
69 methodHandle hot_method, int hot_count, const char* comment, | |
70 bool is_blocking); | |
71 | |
72 void free(); | |
73 | |
74 int compile_id() const { return _compile_id; } | |
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75 Method* method() const { return _method; } |
0 | 76 int osr_bci() const { return _osr_bci; } |
77 bool is_complete() const { return _is_complete; } | |
78 bool is_blocking() const { return _is_blocking; } | |
79 bool is_success() const { return _is_success; } | |
80 | |
81 nmethodLocker* code_handle() const { return _code_handle; } | |
82 void set_code_handle(nmethodLocker* l) { _code_handle = l; } | |
83 nmethod* code() const; // _code_handle->code() | |
84 void set_code(nmethod* nm); // _code_handle->set_code(nm) | |
85 | |
86 Monitor* lock() const { return _lock; } | |
87 | |
88 void mark_complete() { _is_complete = true; } | |
89 void mark_success() { _is_success = true; } | |
90 | |
91 int comp_level() { return _comp_level;} | |
92 void set_comp_level(int comp_level) { _comp_level = comp_level;} | |
93 | |
94 int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } | |
95 void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } | |
96 | |
97 CompileTask* next() const { return _next; } | |
98 void set_next(CompileTask* next) { _next = next; } | |
1783 | 99 CompileTask* prev() const { return _prev; } |
100 void set_prev(CompileTask* prev) { _prev = prev; } | |
0 | 101 |
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102 private: |
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103 static void print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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104 bool is_osr_method = false, int osr_bci = -1, bool is_blocking = false, |
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105 const char* msg = NULL, bool short_form = false); |
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106 |
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107 public: |
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108 void print_compilation(outputStream* st = tty, const char* msg = NULL, bool short_form = false); |
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109 static void print_compilation(outputStream* st, const nmethod* nm, const char* msg = NULL, bool short_form = false) { |
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110 print_compilation_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), |
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111 nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /*is_blocking*/ false, |
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112 msg, short_form); |
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113 } |
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114 |
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115 static void print_inlining(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); |
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116 static void print_inlining(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { |
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117 print_inlining(tty, method, inline_level, bci, msg); |
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118 } |
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119 |
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120 // Redefine Classes support |
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121 void mark_on_stack(); |
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122 |
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123 static void print_inline_indent(int inline_level, outputStream* st = tty); |
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124 |
0 | 125 void print(); |
126 void print_line(); | |
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127 void print_line_on_error(outputStream* st, char* buf, int buflen); |
1783 | 128 |
0 | 129 void log_task(xmlStream* log); |
130 void log_task_queued(); | |
131 void log_task_start(CompileLog* log); | |
132 void log_task_done(CompileLog* log); | |
133 }; | |
134 | |
135 // CompilerCounters | |
136 // | |
137 // Per Compiler Performance Counters. | |
138 // | |
6197 | 139 class CompilerCounters : public CHeapObj<mtCompiler> { |
0 | 140 |
141 public: | |
142 enum { | |
143 cmname_buffer_length = 160 | |
144 }; | |
145 | |
146 private: | |
147 | |
148 char _current_method[cmname_buffer_length]; | |
149 PerfStringVariable* _perf_current_method; | |
150 | |
151 int _compile_type; | |
152 PerfVariable* _perf_compile_type; | |
153 | |
154 PerfCounter* _perf_time; | |
155 PerfCounter* _perf_compiles; | |
156 | |
157 public: | |
158 CompilerCounters(const char* name, int instance, TRAPS); | |
159 | |
160 // these methods should be called in a thread safe context | |
161 | |
162 void set_current_method(const char* method) { | |
163 strncpy(_current_method, method, (size_t)cmname_buffer_length); | |
164 if (UsePerfData) _perf_current_method->set_value(method); | |
165 } | |
166 | |
167 char* current_method() { return _current_method; } | |
168 | |
169 void set_compile_type(int compile_type) { | |
170 _compile_type = compile_type; | |
171 if (UsePerfData) _perf_compile_type->set_value((jlong)compile_type); | |
172 } | |
173 | |
174 int compile_type() { return _compile_type; } | |
175 | |
176 PerfCounter* time_counter() { return _perf_time; } | |
177 PerfCounter* compile_counter() { return _perf_compiles; } | |
178 }; | |
179 | |
180 // CompileQueue | |
181 // | |
182 // A list of CompileTasks. | |
6197 | 183 class CompileQueue : public CHeapObj<mtCompiler> { |
0 | 184 private: |
185 const char* _name; | |
186 Monitor* _lock; | |
187 | |
188 CompileTask* _first; | |
189 CompileTask* _last; | |
190 | |
1783 | 191 int _size; |
0 | 192 public: |
193 CompileQueue(const char* name, Monitor* lock) { | |
194 _name = name; | |
195 _lock = lock; | |
196 _first = NULL; | |
197 _last = NULL; | |
1783 | 198 _size = 0; |
0 | 199 } |
200 | |
201 const char* name() const { return _name; } | |
202 Monitor* lock() const { return _lock; } | |
203 | |
204 void add(CompileTask* task); | |
1783 | 205 void remove(CompileTask* task); |
206 CompileTask* first() { return _first; } | |
207 CompileTask* last() { return _last; } | |
0 | 208 |
209 CompileTask* get(); | |
210 | |
211 bool is_empty() const { return _first == NULL; } | |
1783 | 212 int size() const { return _size; } |
0 | 213 |
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214 // Redefine Classes support |
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215 void mark_on_stack(); |
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216 void delete_all(); |
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217 void print(); |
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218 |
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219 ~CompileQueue() { |
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220 assert (is_empty(), " Compile Queue must be empty"); |
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221 } |
0 | 222 }; |
223 | |
1783 | 224 // CompileTaskWrapper |
225 // | |
226 // Assign this task to the current thread. Deallocate the task | |
227 // when the compilation is complete. | |
228 class CompileTaskWrapper : StackObj { | |
229 public: | |
230 CompileTaskWrapper(CompileTask* task); | |
231 ~CompileTaskWrapper(); | |
232 }; | |
233 | |
0 | 234 |
235 // Compilation | |
236 // | |
237 // The broker for all compilation requests. | |
238 class CompileBroker: AllStatic { | |
239 friend class Threads; | |
240 friend class CompileTaskWrapper; | |
241 | |
242 public: | |
243 enum { | |
244 name_buffer_length = 100 | |
245 }; | |
246 | |
247 // Compile type Information for print_last_compile() and CompilerCounters | |
248 enum { no_compile, normal_compile, osr_compile, native_compile }; | |
14236 | 249 static int assign_compile_id (methodHandle method, int osr_bci); |
250 | |
0 | 251 |
252 private: | |
253 static bool _initialized; | |
254 static volatile bool _should_block; | |
255 | |
1202 | 256 // This flag can be used to stop compilation or turn it back on |
257 static volatile jint _should_compile_new_jobs; | |
258 | |
0 | 259 // The installed compiler(s) |
260 static AbstractCompiler* _compilers[2]; | |
261 | |
262 // These counters are used for assigning id's to each compilation | |
14236 | 263 static volatile jint _compilation_id; |
264 static volatile jint _osr_compilation_id; | |
0 | 265 |
266 static int _last_compile_type; | |
267 static int _last_compile_level; | |
268 static char _last_method_compiled[name_buffer_length]; | |
269 | |
1783 | 270 static CompileQueue* _c2_method_queue; |
271 static CompileQueue* _c1_method_queue; | |
0 | 272 static CompileTask* _task_free_list; |
273 | |
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274 static GrowableArray<CompilerThread*>* _compiler_threads; |
0 | 275 |
276 // performance counters | |
277 static PerfCounter* _perf_total_compilation; | |
278 static PerfCounter* _perf_native_compilation; | |
279 static PerfCounter* _perf_osr_compilation; | |
280 static PerfCounter* _perf_standard_compilation; | |
281 | |
282 static PerfCounter* _perf_total_bailout_count; | |
283 static PerfCounter* _perf_total_invalidated_count; | |
284 static PerfCounter* _perf_total_compile_count; | |
285 static PerfCounter* _perf_total_native_compile_count; | |
286 static PerfCounter* _perf_total_osr_compile_count; | |
287 static PerfCounter* _perf_total_standard_compile_count; | |
288 | |
289 static PerfCounter* _perf_sum_osr_bytes_compiled; | |
290 static PerfCounter* _perf_sum_standard_bytes_compiled; | |
291 static PerfCounter* _perf_sum_nmethod_size; | |
292 static PerfCounter* _perf_sum_nmethod_code_size; | |
293 | |
294 static PerfStringVariable* _perf_last_method; | |
295 static PerfStringVariable* _perf_last_failed_method; | |
296 static PerfStringVariable* _perf_last_invalidated_method; | |
297 static PerfVariable* _perf_last_compile_type; | |
298 static PerfVariable* _perf_last_compile_size; | |
299 static PerfVariable* _perf_last_failed_type; | |
300 static PerfVariable* _perf_last_invalidated_type; | |
301 | |
302 // Timers and counters for generating statistics | |
303 static elapsedTimer _t_total_compilation; | |
304 static elapsedTimer _t_osr_compilation; | |
305 static elapsedTimer _t_standard_compilation; | |
306 | |
10405 | 307 static int _total_compile_count; |
0 | 308 static int _total_bailout_count; |
309 static int _total_invalidated_count; | |
310 static int _total_native_compile_count; | |
311 static int _total_osr_compile_count; | |
312 static int _total_standard_compile_count; | |
313 static int _sum_osr_bytes_compiled; | |
314 static int _sum_standard_bytes_compiled; | |
315 static int _sum_nmethod_size; | |
316 static int _sum_nmethod_code_size; | |
10405 | 317 static long _peak_compilation_time; |
0 | 318 |
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319 static volatile jint _print_compilation_warning; |
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320 |
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321 static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, AbstractCompiler* comp, TRAPS); |
1783 | 322 static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); |
0 | 323 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); |
324 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); | |
325 static bool is_compile_blocking (methodHandle method, int osr_bci); | |
326 static void preload_classes (methodHandle method, TRAPS); | |
327 | |
328 static CompileTask* create_compile_task(CompileQueue* queue, | |
329 int compile_id, | |
330 methodHandle method, | |
331 int osr_bci, | |
332 int comp_level, | |
333 methodHandle hot_method, | |
334 int hot_count, | |
335 const char* comment, | |
336 bool blocking); | |
337 static CompileTask* allocate_task(); | |
338 static void free_task(CompileTask* task); | |
339 static void wait_for_completion(CompileTask* task); | |
340 | |
341 static void invoke_compiler_on_method(CompileTask* task); | |
342 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level); | |
343 static void push_jni_handle_block(); | |
344 static void pop_jni_handle_block(); | |
345 static bool check_break_at(methodHandle method, int compile_id, bool is_osr); | |
346 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task); | |
347 | |
348 static void compile_method_base(methodHandle method, | |
349 int osr_bci, | |
350 int comp_level, | |
351 methodHandle hot_method, | |
352 int hot_count, | |
353 const char* comment, | |
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354 Thread* thread); |
1783 | 355 static CompileQueue* compile_queue(int comp_level) { |
356 if (is_c2_compile(comp_level)) return _c2_method_queue; | |
357 if (is_c1_compile(comp_level)) return _c1_method_queue; | |
358 return NULL; | |
359 } | |
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360 static bool init_compiler_runtime(); |
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361 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread); |
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362 |
0 | 363 public: |
364 enum { | |
365 // The entry bci used for non-OSR compilations. | |
366 standard_entry_bci = InvocationEntryBci | |
367 }; | |
368 | |
1783 | 369 static AbstractCompiler* compiler(int comp_level) { |
370 if (is_c2_compile(comp_level)) return _compilers[1]; // C2 | |
371 if (is_c1_compile(comp_level)) return _compilers[0]; // C1 | |
372 return NULL; | |
0 | 373 } |
374 | |
1783 | 375 static bool compilation_is_in_queue(methodHandle method, int osr_bci); |
376 static int queue_size(int comp_level) { | |
377 CompileQueue *q = compile_queue(comp_level); | |
378 return q != NULL ? q->size() : 0; | |
379 } | |
0 | 380 static void compilation_init(); |
381 static void init_compiler_thread_log(); | |
1783 | 382 static nmethod* compile_method(methodHandle method, |
383 int osr_bci, | |
384 int comp_level, | |
385 methodHandle hot_method, | |
386 int hot_count, | |
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387 const char* comment, Thread* thread); |
0 | 388 |
389 static void compiler_thread_loop(); | |
1202 | 390 static uint get_compilation_id() { return _compilation_id; } |
0 | 391 |
392 // Set _should_block. | |
393 // Call this from the VM, with Threads_lock held and a safepoint requested. | |
394 static void set_should_block(); | |
395 | |
396 // Call this from the compiler at convenient points, to poll for _should_block. | |
397 static void maybe_block(); | |
398 | |
1202 | 399 enum { |
400 // Flags for toggling compiler activity | |
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401 stop_compilation = 0, |
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402 run_compilation = 1, |
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403 shutdown_compilaton = 2 |
1202 | 404 }; |
405 | |
406 static bool should_compile_new_jobs() { return UseCompiler && (_should_compile_new_jobs == run_compilation); } | |
407 static bool set_should_compile_new_jobs(jint new_state) { | |
408 // Return success if the current caller set it | |
409 jint old = Atomic::cmpxchg(new_state, &_should_compile_new_jobs, 1-new_state); | |
410 return (old == (1-new_state)); | |
411 } | |
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412 |
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413 static void disable_compilation_forever() { |
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414 UseCompiler = false; |
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415 AlwaysCompileLoopMethods = false; |
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416 Atomic::xchg(shutdown_compilaton, &_should_compile_new_jobs); |
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417 } |
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418 |
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419 static bool is_compilation_disabled_forever() { |
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420 return _should_compile_new_jobs == shutdown_compilaton; |
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421 } |
1202 | 422 static void handle_full_code_cache(); |
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423 // Ensures that warning is only printed once. |
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424 static bool should_print_compiler_warning() { |
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425 jint old = Atomic::cmpxchg(1, &_print_compilation_warning, 0); |
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426 return old == 0; |
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427 } |
0 | 428 // Return total compilation ticks |
429 static jlong total_compilation_ticks() { | |
430 return _perf_total_compilation != NULL ? _perf_total_compilation->get_value() : 0; | |
431 } | |
432 | |
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433 // Redefine Classes support |
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434 static void mark_on_stack(); |
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435 |
0 | 436 // Print a detailed accounting of compilation time |
437 static void print_times(); | |
438 | |
439 // Debugging output for failure | |
440 static void print_last_compile(); | |
441 | |
442 static void print_compiler_threads_on(outputStream* st); | |
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443 |
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444 // compiler name for debugging |
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445 static const char* compiler_name(int comp_level); |
10405 | 446 |
447 static int get_total_compile_count() { return _total_compile_count; } | |
448 static int get_total_bailout_count() { return _total_bailout_count; } | |
449 static int get_total_invalidated_count() { return _total_invalidated_count; } | |
450 static int get_total_native_compile_count() { return _total_native_compile_count; } | |
451 static int get_total_osr_compile_count() { return _total_osr_compile_count; } | |
452 static int get_total_standard_compile_count() { return _total_standard_compile_count; } | |
453 static int get_sum_osr_bytes_compiled() { return _sum_osr_bytes_compiled; } | |
454 static int get_sum_standard_bytes_compiled() { return _sum_standard_bytes_compiled; } | |
455 static int get_sum_nmethod_size() { return _sum_nmethod_size;} | |
456 static int get_sum_nmethod_code_size() { return _sum_nmethod_code_size; } | |
457 static long get_peak_compilation_time() { return _peak_compilation_time; } | |
458 static long get_total_compilation_time() { return _t_total_compilation.milliseconds(); } | |
0 | 459 }; |
1972 | 460 |
461 #endif // SHARE_VM_COMPILER_COMPILEBROKER_HPP |