Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/fprofiler.cpp @ 9809:a8a5d5832def
first step towards extensibility of the escape analysis phase
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Fri, 17 May 2013 16:47:13 +0200 |
parents | da91efe96a93 |
children | aeaca88565e6 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2 * Copyright (c) 1997, 2012, 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
605
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
605
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
605
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/classLoader.hpp" | |
27 #include "code/vtableStubs.hpp" | |
28 #include "gc_interface/collectedHeap.inline.hpp" | |
29 #include "interpreter/interpreter.hpp" | |
30 #include "memory/allocation.inline.hpp" | |
31 #include "memory/universe.inline.hpp" | |
32 #include "oops/oop.inline.hpp" | |
33 #include "oops/oop.inline2.hpp" | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
34 #include "oops/symbol.hpp" |
1972 | 35 #include "runtime/deoptimization.hpp" |
36 #include "runtime/fprofiler.hpp" | |
37 #include "runtime/mutexLocker.hpp" | |
38 #include "runtime/stubCodeGenerator.hpp" | |
39 #include "runtime/stubRoutines.hpp" | |
40 #include "runtime/task.hpp" | |
41 #include "runtime/vframe.hpp" | |
42 #include "utilities/macros.hpp" | |
0 | 43 |
44 // Static fields of FlatProfiler | |
45 int FlatProfiler::received_gc_ticks = 0; | |
46 int FlatProfiler::vm_operation_ticks = 0; | |
47 int FlatProfiler::threads_lock_ticks = 0; | |
48 int FlatProfiler::class_loader_ticks = 0; | |
49 int FlatProfiler::extra_ticks = 0; | |
50 int FlatProfiler::blocked_ticks = 0; | |
51 int FlatProfiler::deopt_ticks = 0; | |
52 int FlatProfiler::unknown_ticks = 0; | |
53 int FlatProfiler::interpreter_ticks = 0; | |
54 int FlatProfiler::compiler_ticks = 0; | |
55 int FlatProfiler::received_ticks = 0; | |
56 int FlatProfiler::delivered_ticks = 0; | |
57 int* FlatProfiler::bytecode_ticks = NULL; | |
58 int* FlatProfiler::bytecode_ticks_stub = NULL; | |
59 int FlatProfiler::all_int_ticks = 0; | |
60 int FlatProfiler::all_comp_ticks = 0; | |
61 int FlatProfiler::all_ticks = 0; | |
62 bool FlatProfiler::full_profile_flag = false; | |
63 ThreadProfiler* FlatProfiler::thread_profiler = NULL; | |
64 ThreadProfiler* FlatProfiler::vm_thread_profiler = NULL; | |
65 FlatProfilerTask* FlatProfiler::task = NULL; | |
66 elapsedTimer FlatProfiler::timer; | |
67 int FlatProfiler::interval_ticks_previous = 0; | |
68 IntervalData* FlatProfiler::interval_data = NULL; | |
69 | |
70 ThreadProfiler::ThreadProfiler() { | |
71 // Space for the ProfilerNodes | |
72 const int area_size = 1 * ProfilerNodeSize * 1024; | |
6197 | 73 area_bottom = AllocateHeap(area_size, mtInternal); |
0 | 74 area_top = area_bottom; |
75 area_limit = area_bottom + area_size; | |
76 | |
77 // ProfilerNode pointer table | |
6197 | 78 table = NEW_C_HEAP_ARRAY(ProfilerNode*, table_size, mtInternal); |
0 | 79 initialize(); |
80 engaged = false; | |
81 } | |
82 | |
83 ThreadProfiler::~ThreadProfiler() { | |
84 FreeHeap(area_bottom); | |
85 area_bottom = NULL; | |
86 area_top = NULL; | |
87 area_limit = NULL; | |
88 FreeHeap(table); | |
89 table = NULL; | |
90 } | |
91 | |
92 // Statics for ThreadProfiler | |
93 int ThreadProfiler::table_size = 1024; | |
94 | |
95 int ThreadProfiler::entry(int value) { | |
96 value = (value > 0) ? value : -value; | |
97 return value % table_size; | |
98 } | |
99 | |
100 ThreadProfilerMark::ThreadProfilerMark(ThreadProfilerMark::Region r) { | |
101 _r = r; | |
102 _pp = NULL; | |
103 assert(((r > ThreadProfilerMark::noRegion) && (r < ThreadProfilerMark::maxRegion)), "ThreadProfilerMark::Region out of bounds"); | |
104 Thread* tp = Thread::current(); | |
105 if (tp != NULL && tp->is_Java_thread()) { | |
106 JavaThread* jtp = (JavaThread*) tp; | |
107 ThreadProfiler* pp = jtp->get_thread_profiler(); | |
108 _pp = pp; | |
109 if (pp != NULL) { | |
110 pp->region_flag[r] = true; | |
111 } | |
112 } | |
113 } | |
114 | |
115 ThreadProfilerMark::~ThreadProfilerMark() { | |
116 if (_pp != NULL) { | |
117 _pp->region_flag[_r] = false; | |
118 } | |
119 _pp = NULL; | |
120 } | |
121 | |
122 // Random other statics | |
123 static const int col1 = 2; // position of output column 1 | |
124 static const int col2 = 11; // position of output column 2 | |
125 static const int col3 = 25; // position of output column 3 | |
126 static const int col4 = 55; // position of output column 4 | |
127 | |
128 | |
129 // Used for detailed profiling of nmethods. | |
130 class PCRecorder : AllStatic { | |
131 private: | |
132 static int* counters; | |
133 static address base; | |
134 enum { | |
135 bucket_size = 16 | |
136 }; | |
137 static int index_for(address pc) { return (pc - base)/bucket_size; } | |
138 static address pc_for(int index) { return base + (index * bucket_size); } | |
139 static int size() { | |
140 return ((int)CodeCache::max_capacity())/bucket_size * BytesPerWord; | |
141 } | |
142 public: | |
143 static address bucket_start_for(address pc) { | |
144 if (counters == NULL) return NULL; | |
145 return pc_for(index_for(pc)); | |
146 } | |
147 static int bucket_count_for(address pc) { return counters[index_for(pc)]; } | |
148 static void init(); | |
149 static void record(address pc); | |
150 static void print(); | |
151 static void print_blobs(CodeBlob* cb); | |
152 }; | |
153 | |
154 int* PCRecorder::counters = NULL; | |
155 address PCRecorder::base = NULL; | |
156 | |
157 void PCRecorder::init() { | |
158 MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
159 int s = size(); | |
6197 | 160 counters = NEW_C_HEAP_ARRAY(int, s, mtInternal); |
0 | 161 for (int index = 0; index < s; index++) { |
162 counters[index] = 0; | |
163 } | |
164 base = CodeCache::first_address(); | |
165 } | |
166 | |
167 void PCRecorder::record(address pc) { | |
168 if (counters == NULL) return; | |
169 assert(CodeCache::contains(pc), "must be in CodeCache"); | |
170 counters[index_for(pc)]++; | |
171 } | |
172 | |
173 | |
174 address FlatProfiler::bucket_start_for(address pc) { | |
175 return PCRecorder::bucket_start_for(pc); | |
176 } | |
177 | |
178 int FlatProfiler::bucket_count_for(address pc) { | |
179 return PCRecorder::bucket_count_for(pc); | |
180 } | |
181 | |
182 void PCRecorder::print() { | |
183 if (counters == NULL) return; | |
184 | |
185 tty->cr(); | |
186 tty->print_cr("Printing compiled methods with PC buckets having more than %d ticks", ProfilerPCTickThreshold); | |
187 tty->print_cr("==================================================================="); | |
188 tty->cr(); | |
189 | |
190 GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20); | |
191 | |
192 | |
193 int s; | |
194 { | |
195 MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
196 s = size(); | |
197 } | |
198 | |
199 for (int index = 0; index < s; index++) { | |
200 int count = counters[index]; | |
201 if (count > ProfilerPCTickThreshold) { | |
202 address pc = pc_for(index); | |
203 CodeBlob* cb = CodeCache::find_blob_unsafe(pc); | |
204 if (cb != NULL && candidates->find(cb) < 0) { | |
205 candidates->push(cb); | |
206 } | |
207 } | |
208 } | |
209 for (int i = 0; i < candidates->length(); i++) { | |
210 print_blobs(candidates->at(i)); | |
211 } | |
212 } | |
213 | |
214 void PCRecorder::print_blobs(CodeBlob* cb) { | |
215 if (cb != NULL) { | |
216 cb->print(); | |
217 if (cb->is_nmethod()) { | |
218 ((nmethod*)cb)->print_code(); | |
219 } | |
220 tty->cr(); | |
221 } else { | |
222 tty->print_cr("stub code"); | |
223 } | |
224 } | |
225 | |
226 class tick_counter { // holds tick info for one node | |
227 public: | |
228 int ticks_in_code; | |
229 int ticks_in_native; | |
230 | |
231 tick_counter() { ticks_in_code = ticks_in_native = 0; } | |
232 tick_counter(int code, int native) { ticks_in_code = code; ticks_in_native = native; } | |
233 | |
234 int total() const { | |
235 return (ticks_in_code + ticks_in_native); | |
236 } | |
237 | |
238 void add(tick_counter* a) { | |
239 ticks_in_code += a->ticks_in_code; | |
240 ticks_in_native += a->ticks_in_native; | |
241 } | |
242 | |
243 void update(TickPosition where) { | |
244 switch(where) { | |
245 case tp_code: ticks_in_code++; break; | |
246 case tp_native: ticks_in_native++; break; | |
247 } | |
248 } | |
249 | |
250 void print_code(outputStream* st, int total_ticks) { | |
251 st->print("%5.1f%% %5d ", total() * 100.0 / total_ticks, ticks_in_code); | |
252 } | |
253 | |
254 void print_native(outputStream* st) { | |
255 st->print(" + %5d ", ticks_in_native); | |
256 } | |
257 }; | |
258 | |
259 class ProfilerNode { | |
260 private: | |
261 ProfilerNode* _next; | |
262 public: | |
263 tick_counter ticks; | |
264 | |
265 public: | |
266 | |
267 void* operator new(size_t size, ThreadProfiler* tp); | |
268 void operator delete(void* p); | |
269 | |
270 ProfilerNode() { | |
271 _next = NULL; | |
272 } | |
273 | |
274 virtual ~ProfilerNode() { | |
275 if (_next) | |
276 delete _next; | |
277 } | |
278 | |
279 void set_next(ProfilerNode* n) { _next = n; } | |
280 ProfilerNode* next() { return _next; } | |
281 | |
282 void update(TickPosition where) { ticks.update(where);} | |
283 int total_ticks() { return ticks.total(); } | |
284 | |
285 virtual bool is_interpreted() const { return false; } | |
286 virtual bool is_compiled() const { return false; } | |
287 virtual bool is_stub() const { return false; } | |
288 virtual bool is_runtime_stub() const{ return false; } | |
289 virtual void oops_do(OopClosure* f) = 0; | |
290 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
291 virtual bool interpreted_match(Method* m) const { return false; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
292 virtual bool compiled_match(Method* m ) const { return false; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
293 virtual bool stub_match(Method* m, const char* name) const { return false; } |
0 | 294 virtual bool adapter_match() const { return false; } |
295 virtual bool runtimeStub_match(const CodeBlob* stub, const char* name) const { return false; } | |
296 virtual bool unknown_compiled_match(const CodeBlob* cb) const { return false; } | |
297 | |
298 static void print_title(outputStream* st) { | |
299 st->print(" + native"); | |
300 st->fill_to(col3); | |
301 st->print("Method"); | |
302 st->fill_to(col4); | |
303 st->cr(); | |
304 } | |
305 | |
306 static void print_total(outputStream* st, tick_counter* t, int total, const char* msg) { | |
307 t->print_code(st, total); | |
308 st->fill_to(col2); | |
309 t->print_native(st); | |
310 st->fill_to(col3); | |
311 st->print(msg); | |
312 st->cr(); | |
313 } | |
314 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
315 virtual Method* method() = 0; |
0 | 316 |
317 virtual void print_method_on(outputStream* st) { | |
318 int limit; | |
319 int i; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
320 Method* m = method(); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
321 Symbol* k = m->klass_name(); |
0 | 322 // Print the class name with dots instead of slashes |
323 limit = k->utf8_length(); | |
324 for (i = 0 ; i < limit ; i += 1) { | |
325 char c = (char) k->byte_at(i); | |
326 if (c == '/') { | |
327 c = '.'; | |
328 } | |
329 st->print("%c", c); | |
330 } | |
331 if (limit > 0) { | |
332 st->print("."); | |
333 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
334 Symbol* n = m->name(); |
0 | 335 limit = n->utf8_length(); |
336 for (i = 0 ; i < limit ; i += 1) { | |
337 char c = (char) n->byte_at(i); | |
338 st->print("%c", c); | |
339 } | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
340 if (Verbose || WizardMode) { |
0 | 341 // Disambiguate overloaded methods |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
342 Symbol* sig = m->signature(); |
0 | 343 sig->print_symbol_on(st); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
344 } else if (MethodHandles::is_signature_polymorphic(m->intrinsic_id())) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
345 // compare with Method::print_short_name |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
346 MethodHandles::print_as_basic_type_signature_on(st, m->signature(), true); |
0 | 347 } |
348 | |
349 virtual void print(outputStream* st, int total_ticks) { | |
350 ticks.print_code(st, total_ticks); | |
351 st->fill_to(col2); | |
352 ticks.print_native(st); | |
353 st->fill_to(col3); | |
354 print_method_on(st); | |
355 st->cr(); | |
356 } | |
357 | |
358 // for hashing into the table | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
359 static int hash(Method* method) { |
0 | 360 // The point here is to try to make something fairly unique |
361 // out of the fields we can read without grabbing any locks | |
362 // since the method may be locked when we need the hash. | |
363 return ( | |
364 method->code_size() ^ | |
365 method->max_stack() ^ | |
366 method->max_locals() ^ | |
367 method->size_of_parameters()); | |
368 } | |
369 | |
370 // for sorting | |
371 static int compare(ProfilerNode** a, ProfilerNode** b) { | |
372 return (*b)->total_ticks() - (*a)->total_ticks(); | |
373 } | |
374 }; | |
375 | |
376 void* ProfilerNode::operator new(size_t size, ThreadProfiler* tp){ | |
377 void* result = (void*) tp->area_top; | |
378 tp->area_top += size; | |
379 | |
380 if (tp->area_top > tp->area_limit) { | |
381 fatal("flat profiler buffer overflow"); | |
382 } | |
383 return result; | |
384 } | |
385 | |
386 void ProfilerNode::operator delete(void* p){ | |
387 } | |
388 | |
389 class interpretedNode : public ProfilerNode { | |
390 private: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
391 Method* _method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
392 oop _class_loader; // needed to keep metadata for the method alive |
0 | 393 public: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
394 interpretedNode(Method* method, TickPosition where) : ProfilerNode() { |
0 | 395 _method = method; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
396 _class_loader = method->method_holder()->class_loader(); |
0 | 397 update(where); |
398 } | |
399 | |
400 bool is_interpreted() const { return true; } | |
401 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
402 bool interpreted_match(Method* m) const { |
0 | 403 return _method == m; |
404 } | |
405 | |
406 void oops_do(OopClosure* f) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
407 f->do_oop(&_class_loader); |
0 | 408 } |
409 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
410 Method* method() { return _method; } |
0 | 411 |
412 static void print_title(outputStream* st) { | |
413 st->fill_to(col1); | |
414 st->print("%11s", "Interpreted"); | |
415 ProfilerNode::print_title(st); | |
416 } | |
417 | |
418 void print(outputStream* st, int total_ticks) { | |
419 ProfilerNode::print(st, total_ticks); | |
420 } | |
421 | |
422 void print_method_on(outputStream* st) { | |
423 ProfilerNode::print_method_on(st); | |
424 if (Verbose) method()->invocation_counter()->print_short(); | |
425 } | |
426 }; | |
427 | |
428 class compiledNode : public ProfilerNode { | |
429 private: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
430 Method* _method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
431 oop _class_loader; // needed to keep metadata for the method alive |
0 | 432 public: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
433 compiledNode(Method* method, TickPosition where) : ProfilerNode() { |
0 | 434 _method = method; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
435 _class_loader = method->method_holder()->class_loader(); |
0 | 436 update(where); |
437 } | |
438 bool is_compiled() const { return true; } | |
439 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
440 bool compiled_match(Method* m) const { |
0 | 441 return _method == m; |
442 } | |
443 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
444 Method* method() { return _method; } |
0 | 445 |
446 void oops_do(OopClosure* f) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
447 f->do_oop(&_class_loader); |
0 | 448 } |
449 | |
450 static void print_title(outputStream* st) { | |
451 st->fill_to(col1); | |
452 st->print("%11s", "Compiled"); | |
453 ProfilerNode::print_title(st); | |
454 } | |
455 | |
456 void print(outputStream* st, int total_ticks) { | |
457 ProfilerNode::print(st, total_ticks); | |
458 } | |
459 | |
460 void print_method_on(outputStream* st) { | |
461 ProfilerNode::print_method_on(st); | |
462 } | |
463 }; | |
464 | |
465 class stubNode : public ProfilerNode { | |
466 private: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
467 Method* _method; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
468 oop _class_loader; // needed to keep metadata for the method alive |
0 | 469 const char* _symbol; // The name of the nearest VM symbol (for +ProfileVM). Points to a unique string |
470 public: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
471 stubNode(Method* method, const char* name, TickPosition where) : ProfilerNode() { |
0 | 472 _method = method; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
473 _class_loader = method->method_holder()->class_loader(); |
0 | 474 _symbol = name; |
475 update(where); | |
476 } | |
477 | |
478 bool is_stub() const { return true; } | |
479 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
480 void oops_do(OopClosure* f) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
481 f->do_oop(&_class_loader); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
482 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
483 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
484 bool stub_match(Method* m, const char* name) const { |
0 | 485 return (_method == m) && (_symbol == name); |
486 } | |
487 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
488 Method* method() { return _method; } |
0 | 489 |
490 static void print_title(outputStream* st) { | |
491 st->fill_to(col1); | |
492 st->print("%11s", "Stub"); | |
493 ProfilerNode::print_title(st); | |
494 } | |
495 | |
496 void print(outputStream* st, int total_ticks) { | |
497 ProfilerNode::print(st, total_ticks); | |
498 } | |
499 | |
500 void print_method_on(outputStream* st) { | |
501 ProfilerNode::print_method_on(st); | |
502 print_symbol_on(st); | |
503 } | |
504 | |
505 void print_symbol_on(outputStream* st) { | |
506 if(_symbol) { | |
507 st->print(" (%s)", _symbol); | |
508 } | |
509 } | |
510 }; | |
511 | |
512 class adapterNode : public ProfilerNode { | |
513 public: | |
514 adapterNode(TickPosition where) : ProfilerNode() { | |
515 update(where); | |
516 } | |
517 bool is_compiled() const { return true; } | |
518 | |
519 bool adapter_match() const { return true; } | |
520 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
521 Method* method() { return NULL; } |
0 | 522 |
523 void oops_do(OopClosure* f) { | |
524 ; | |
525 } | |
526 | |
527 void print(outputStream* st, int total_ticks) { | |
528 ProfilerNode::print(st, total_ticks); | |
529 } | |
530 | |
531 void print_method_on(outputStream* st) { | |
532 st->print("%s", "adapters"); | |
533 } | |
534 }; | |
535 | |
536 class runtimeStubNode : public ProfilerNode { | |
537 private: | |
538 const CodeBlob* _stub; | |
539 const char* _symbol; // The name of the nearest VM symbol when ProfileVM is on. Points to a unique string. | |
540 public: | |
541 runtimeStubNode(const CodeBlob* stub, const char* name, TickPosition where) : ProfilerNode(), _stub(stub), _symbol(name) { | |
542 assert(stub->is_runtime_stub(), "wrong code blob"); | |
543 update(where); | |
544 } | |
545 | |
546 bool is_runtime_stub() const { return true; } | |
547 | |
548 bool runtimeStub_match(const CodeBlob* stub, const char* name) const { | |
549 assert(stub->is_runtime_stub(), "wrong code blob"); | |
550 return ((RuntimeStub*)_stub)->entry_point() == ((RuntimeStub*)stub)->entry_point() && | |
551 (_symbol == name); | |
552 } | |
553 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
554 Method* method() { return NULL; } |
0 | 555 |
556 static void print_title(outputStream* st) { | |
557 st->fill_to(col1); | |
558 st->print("%11s", "Runtime stub"); | |
559 ProfilerNode::print_title(st); | |
560 } | |
561 | |
562 void oops_do(OopClosure* f) { | |
563 ; | |
564 } | |
565 | |
566 void print(outputStream* st, int total_ticks) { | |
567 ProfilerNode::print(st, total_ticks); | |
568 } | |
569 | |
570 void print_method_on(outputStream* st) { | |
571 st->print("%s", ((RuntimeStub*)_stub)->name()); | |
572 print_symbol_on(st); | |
573 } | |
574 | |
575 void print_symbol_on(outputStream* st) { | |
576 if(_symbol) { | |
577 st->print(" (%s)", _symbol); | |
578 } | |
579 } | |
580 }; | |
581 | |
582 | |
583 class unknown_compiledNode : public ProfilerNode { | |
584 const char *_name; | |
585 public: | |
586 unknown_compiledNode(const CodeBlob* cb, TickPosition where) : ProfilerNode() { | |
587 if ( cb->is_buffer_blob() ) | |
588 _name = ((BufferBlob*)cb)->name(); | |
589 else | |
590 _name = ((SingletonBlob*)cb)->name(); | |
591 update(where); | |
592 } | |
593 bool is_compiled() const { return true; } | |
594 | |
595 bool unknown_compiled_match(const CodeBlob* cb) const { | |
596 if ( cb->is_buffer_blob() ) | |
597 return !strcmp(((BufferBlob*)cb)->name(), _name); | |
598 else | |
599 return !strcmp(((SingletonBlob*)cb)->name(), _name); | |
600 } | |
601 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
602 Method* method() { return NULL; } |
0 | 603 |
604 void oops_do(OopClosure* f) { | |
605 ; | |
606 } | |
607 | |
608 void print(outputStream* st, int total_ticks) { | |
609 ProfilerNode::print(st, total_ticks); | |
610 } | |
611 | |
612 void print_method_on(outputStream* st) { | |
613 st->print("%s", _name); | |
614 } | |
615 }; | |
616 | |
617 class vmNode : public ProfilerNode { | |
618 private: | |
619 const char* _name; // "optional" name obtained by os means such as dll lookup | |
620 public: | |
621 vmNode(const TickPosition where) : ProfilerNode() { | |
622 _name = NULL; | |
623 update(where); | |
624 } | |
625 | |
626 vmNode(const char* name, const TickPosition where) : ProfilerNode() { | |
627 _name = name; | |
628 update(where); | |
629 } | |
630 | |
631 const char *name() const { return _name; } | |
632 bool is_compiled() const { return true; } | |
633 | |
634 bool vm_match(const char* name) const { return strcmp(name, _name) == 0; } | |
635 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
636 Method* method() { return NULL; } |
0 | 637 |
638 static int hash(const char* name){ | |
639 // Compute a simple hash | |
640 const char* cp = name; | |
641 int h = 0; | |
642 | |
643 if(name != NULL){ | |
644 while(*cp != '\0'){ | |
645 h = (h << 1) ^ *cp; | |
646 cp++; | |
647 } | |
648 } | |
649 return h; | |
650 } | |
651 | |
652 void oops_do(OopClosure* f) { | |
653 ; | |
654 } | |
655 | |
656 void print(outputStream* st, int total_ticks) { | |
657 ProfilerNode::print(st, total_ticks); | |
658 } | |
659 | |
660 void print_method_on(outputStream* st) { | |
661 if(_name==NULL){ | |
662 st->print("%s", "unknown code"); | |
663 } | |
664 else { | |
665 st->print("%s", _name); | |
666 } | |
667 } | |
668 }; | |
669 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
670 void ThreadProfiler::interpreted_update(Method* method, TickPosition where) { |
0 | 671 int index = entry(ProfilerNode::hash(method)); |
672 if (!table[index]) { | |
673 table[index] = new (this) interpretedNode(method, where); | |
674 } else { | |
675 ProfilerNode* prev = table[index]; | |
676 for(ProfilerNode* node = prev; node; node = node->next()) { | |
677 if (node->interpreted_match(method)) { | |
678 node->update(where); | |
679 return; | |
680 } | |
681 prev = node; | |
682 } | |
683 prev->set_next(new (this) interpretedNode(method, where)); | |
684 } | |
685 } | |
686 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
687 void ThreadProfiler::compiled_update(Method* method, TickPosition where) { |
0 | 688 int index = entry(ProfilerNode::hash(method)); |
689 if (!table[index]) { | |
690 table[index] = new (this) compiledNode(method, where); | |
691 } else { | |
692 ProfilerNode* prev = table[index]; | |
693 for(ProfilerNode* node = prev; node; node = node->next()) { | |
694 if (node->compiled_match(method)) { | |
695 node->update(where); | |
696 return; | |
697 } | |
698 prev = node; | |
699 } | |
700 prev->set_next(new (this) compiledNode(method, where)); | |
701 } | |
702 } | |
703 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
704 void ThreadProfiler::stub_update(Method* method, const char* name, TickPosition where) { |
0 | 705 int index = entry(ProfilerNode::hash(method)); |
706 if (!table[index]) { | |
707 table[index] = new (this) stubNode(method, name, where); | |
708 } else { | |
709 ProfilerNode* prev = table[index]; | |
710 for(ProfilerNode* node = prev; node; node = node->next()) { | |
711 if (node->stub_match(method, name)) { | |
712 node->update(where); | |
713 return; | |
714 } | |
715 prev = node; | |
716 } | |
717 prev->set_next(new (this) stubNode(method, name, where)); | |
718 } | |
719 } | |
720 | |
721 void ThreadProfiler::adapter_update(TickPosition where) { | |
722 int index = 0; | |
723 if (!table[index]) { | |
724 table[index] = new (this) adapterNode(where); | |
725 } else { | |
726 ProfilerNode* prev = table[index]; | |
727 for(ProfilerNode* node = prev; node; node = node->next()) { | |
728 if (node->adapter_match()) { | |
729 node->update(where); | |
730 return; | |
731 } | |
732 prev = node; | |
733 } | |
734 prev->set_next(new (this) adapterNode(where)); | |
735 } | |
736 } | |
737 | |
738 void ThreadProfiler::runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where) { | |
739 int index = 0; | |
740 if (!table[index]) { | |
741 table[index] = new (this) runtimeStubNode(stub, name, where); | |
742 } else { | |
743 ProfilerNode* prev = table[index]; | |
744 for(ProfilerNode* node = prev; node; node = node->next()) { | |
745 if (node->runtimeStub_match(stub, name)) { | |
746 node->update(where); | |
747 return; | |
748 } | |
749 prev = node; | |
750 } | |
751 prev->set_next(new (this) runtimeStubNode(stub, name, where)); | |
752 } | |
753 } | |
754 | |
755 | |
756 void ThreadProfiler::unknown_compiled_update(const CodeBlob* cb, TickPosition where) { | |
757 int index = 0; | |
758 if (!table[index]) { | |
759 table[index] = new (this) unknown_compiledNode(cb, where); | |
760 } else { | |
761 ProfilerNode* prev = table[index]; | |
762 for(ProfilerNode* node = prev; node; node = node->next()) { | |
763 if (node->unknown_compiled_match(cb)) { | |
764 node->update(where); | |
765 return; | |
766 } | |
767 prev = node; | |
768 } | |
769 prev->set_next(new (this) unknown_compiledNode(cb, where)); | |
770 } | |
771 } | |
772 | |
773 void ThreadProfiler::vm_update(TickPosition where) { | |
774 vm_update(NULL, where); | |
775 } | |
776 | |
777 void ThreadProfiler::vm_update(const char* name, TickPosition where) { | |
778 int index = entry(vmNode::hash(name)); | |
779 assert(index >= 0, "Must be positive"); | |
780 // Note that we call strdup below since the symbol may be resource allocated | |
781 if (!table[index]) { | |
782 table[index] = new (this) vmNode(os::strdup(name), where); | |
783 } else { | |
784 ProfilerNode* prev = table[index]; | |
785 for(ProfilerNode* node = prev; node; node = node->next()) { | |
786 if (((vmNode *)node)->vm_match(name)) { | |
787 node->update(where); | |
788 return; | |
789 } | |
790 prev = node; | |
791 } | |
792 prev->set_next(new (this) vmNode(os::strdup(name), where)); | |
793 } | |
794 } | |
795 | |
796 | |
797 class FlatProfilerTask : public PeriodicTask { | |
798 public: | |
799 FlatProfilerTask(int interval_time) : PeriodicTask(interval_time) {} | |
800 void task(); | |
801 }; | |
802 | |
803 void FlatProfiler::record_vm_operation() { | |
804 if (Universe::heap()->is_gc_active()) { | |
805 FlatProfiler::received_gc_ticks += 1; | |
806 return; | |
807 } | |
808 | |
809 if (DeoptimizationMarker::is_active()) { | |
810 FlatProfiler::deopt_ticks += 1; | |
811 return; | |
812 } | |
813 | |
814 FlatProfiler::vm_operation_ticks += 1; | |
815 } | |
816 | |
817 void FlatProfiler::record_vm_tick() { | |
818 // Profile the VM Thread itself if needed | |
819 // This is done without getting the Threads_lock and we can go deep | |
820 // inside Safepoint, etc. | |
821 if( ProfileVM ) { | |
822 ResourceMark rm; | |
823 ExtendedPC epc; | |
824 const char *name = NULL; | |
825 char buf[256]; | |
826 buf[0] = '\0'; | |
827 | |
828 vm_thread_profiler->inc_thread_ticks(); | |
829 | |
830 // Get a snapshot of a current VMThread pc (and leave it running!) | |
831 // The call may fail if, for instance the VM thread is interrupted while | |
832 // holding the Interrupt_lock or for other reasons. | |
833 epc = os::get_thread_pc(VMThread::vm_thread()); | |
834 if(epc.pc() != NULL) { | |
835 if (os::dll_address_to_function_name(epc.pc(), buf, sizeof(buf), NULL)) { | |
836 name = buf; | |
837 } | |
838 } | |
839 if (name != NULL) { | |
840 vm_thread_profiler->vm_update(name, tp_native); | |
841 } | |
842 } | |
843 } | |
844 | |
845 void FlatProfiler::record_thread_ticks() { | |
846 | |
847 int maxthreads, suspendedthreadcount; | |
848 JavaThread** threadsList; | |
849 bool interval_expired = false; | |
850 | |
851 if (ProfileIntervals && | |
852 (FlatProfiler::received_ticks >= interval_ticks_previous + ProfileIntervalsTicks)) { | |
853 interval_expired = true; | |
854 interval_ticks_previous = FlatProfiler::received_ticks; | |
855 } | |
856 | |
857 // Try not to wait for the Threads_lock | |
858 if (Threads_lock->try_lock()) { | |
859 { // Threads_lock scope | |
860 maxthreads = Threads::number_of_threads(); | |
6197 | 861 threadsList = NEW_C_HEAP_ARRAY(JavaThread *, maxthreads, mtInternal); |
0 | 862 suspendedthreadcount = 0; |
863 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
864 if (tp->is_Compiler_thread()) { | |
865 // Only record ticks for active compiler threads | |
866 CompilerThread* cthread = (CompilerThread*)tp; | |
867 if (cthread->task() != NULL) { | |
868 // The compiler is active. If we need to access any of the fields | |
869 // of the compiler task we should suspend the CompilerThread first. | |
870 FlatProfiler::compiler_ticks += 1; | |
871 continue; | |
872 } | |
873 } | |
874 | |
875 // First externally suspend all threads by marking each for | |
876 // external suspension - so it will stop at its next transition | |
877 // Then do a safepoint | |
878 ThreadProfiler* pp = tp->get_thread_profiler(); | |
879 if (pp != NULL && pp->engaged) { | |
880 MutexLockerEx ml(tp->SR_lock(), Mutex::_no_safepoint_check_flag); | |
881 if (!tp->is_external_suspend() && !tp->is_exiting()) { | |
882 tp->set_external_suspend(); | |
883 threadsList[suspendedthreadcount++] = tp; | |
884 } | |
885 } | |
886 } | |
887 Threads_lock->unlock(); | |
888 } | |
889 // Suspend each thread. This call should just return | |
890 // for any threads that have already self-suspended | |
891 // Net result should be one safepoint | |
892 for (int j = 0; j < suspendedthreadcount; j++) { | |
893 JavaThread *tp = threadsList[j]; | |
894 if (tp) { | |
895 tp->java_suspend(); | |
896 } | |
897 } | |
898 | |
899 // We are responsible for resuming any thread on this list | |
900 for (int i = 0; i < suspendedthreadcount; i++) { | |
901 JavaThread *tp = threadsList[i]; | |
902 if (tp) { | |
903 ThreadProfiler* pp = tp->get_thread_profiler(); | |
904 if (pp != NULL && pp->engaged) { | |
905 HandleMark hm; | |
906 FlatProfiler::delivered_ticks += 1; | |
907 if (interval_expired) { | |
908 FlatProfiler::interval_record_thread(pp); | |
909 } | |
910 // This is the place where we check to see if a user thread is | |
911 // blocked waiting for compilation. | |
912 if (tp->blocked_on_compilation()) { | |
913 pp->compiler_ticks += 1; | |
914 pp->interval_data_ref()->inc_compiling(); | |
915 } else { | |
916 pp->record_tick(tp); | |
917 } | |
918 } | |
919 MutexLocker ml(Threads_lock); | |
920 tp->java_resume(); | |
921 } | |
922 } | |
923 if (interval_expired) { | |
924 FlatProfiler::interval_print(); | |
925 FlatProfiler::interval_reset(); | |
926 } | |
927 } else { | |
928 // Couldn't get the threads lock, just record that rather than blocking | |
929 FlatProfiler::threads_lock_ticks += 1; | |
930 } | |
931 | |
932 } | |
933 | |
934 void FlatProfilerTask::task() { | |
935 FlatProfiler::received_ticks += 1; | |
936 | |
937 if (ProfileVM) { | |
938 FlatProfiler::record_vm_tick(); | |
939 } | |
940 | |
941 VM_Operation* op = VMThread::vm_operation(); | |
942 if (op != NULL) { | |
943 FlatProfiler::record_vm_operation(); | |
944 if (SafepointSynchronize::is_at_safepoint()) { | |
945 return; | |
946 } | |
947 } | |
948 FlatProfiler::record_thread_ticks(); | |
949 } | |
950 | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
951 void ThreadProfiler::record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks) { |
0 | 952 FlatProfiler::all_int_ticks++; |
953 if (!FlatProfiler::full_profile()) { | |
954 return; | |
955 } | |
956 | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
957 if (!fr.is_interpreted_frame_valid(thread)) { |
0 | 958 // tick came at a bad time |
959 interpreter_ticks += 1; | |
960 FlatProfiler::interpreter_ticks += 1; | |
961 return; | |
962 } | |
963 | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
964 // The frame has been fully validated so we can trust the method and bci |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
965 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
966 Method* method = *fr.interpreter_frame_method_addr(); |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
967 |
0 | 968 interpreted_update(method, where); |
969 | |
970 // update byte code table | |
971 InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc()); | |
972 if (desc != NULL && desc->bytecode() >= 0) { | |
973 ticks[desc->bytecode()]++; | |
974 } | |
975 } | |
976 | |
977 void ThreadProfiler::record_compiled_tick(JavaThread* thread, frame fr, TickPosition where) { | |
978 const char *name = NULL; | |
979 TickPosition localwhere = where; | |
980 | |
981 FlatProfiler::all_comp_ticks++; | |
982 if (!FlatProfiler::full_profile()) return; | |
983 | |
984 CodeBlob* cb = fr.cb(); | |
985 | |
986 // For runtime stubs, record as native rather than as compiled | |
987 if (cb->is_runtime_stub()) { | |
988 RegisterMap map(thread, false); | |
989 fr = fr.sender(&map); | |
990 cb = fr.cb(); | |
991 localwhere = tp_native; | |
992 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
993 Method* method = (cb->is_nmethod()) ? ((nmethod *)cb)->method() : |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
994 (Method*)NULL; |
0 | 995 |
996 if (method == NULL) { | |
997 if (cb->is_runtime_stub()) | |
998 runtime_stub_update(cb, name, localwhere); | |
999 else | |
1000 unknown_compiled_update(cb, localwhere); | |
1001 } | |
1002 else { | |
1003 if (method->is_native()) { | |
1004 stub_update(method, name, localwhere); | |
1005 } else { | |
1006 compiled_update(method, localwhere); | |
1007 } | |
1008 } | |
1009 } | |
1010 | |
1011 extern "C" void find(int x); | |
1012 | |
1013 | |
1014 void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) { | |
605 | 1015 // The tick happened in real code -> non VM code |
0 | 1016 if (fr.is_interpreted_frame()) { |
1017 interval_data_ref()->inc_interpreted(); | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
1018 record_interpreted_tick(thread, fr, tp_code, FlatProfiler::bytecode_ticks); |
0 | 1019 return; |
1020 } | |
1021 | |
1022 if (CodeCache::contains(fr.pc())) { | |
1023 interval_data_ref()->inc_compiled(); | |
1024 PCRecorder::record(fr.pc()); | |
1025 record_compiled_tick(thread, fr, tp_code); | |
1026 return; | |
1027 } | |
1028 | |
1029 if (VtableStubs::stub_containing(fr.pc()) != NULL) { | |
1030 unknown_ticks_array[ut_vtable_stubs] += 1; | |
1031 return; | |
1032 } | |
1033 | |
1034 frame caller = fr.profile_find_Java_sender_frame(thread); | |
1035 | |
1036 if (caller.sp() != NULL && caller.pc() != NULL) { | |
1037 record_tick_for_calling_frame(thread, caller); | |
1038 return; | |
1039 } | |
1040 | |
1041 unknown_ticks_array[ut_running_frame] += 1; | |
1042 FlatProfiler::unknown_ticks += 1; | |
1043 } | |
1044 | |
1045 void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) { | |
605 | 1046 // The tick happened in VM code |
0 | 1047 interval_data_ref()->inc_native(); |
1048 if (fr.is_interpreted_frame()) { | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
1049 record_interpreted_tick(thread, fr, tp_native, FlatProfiler::bytecode_ticks_stub); |
0 | 1050 return; |
1051 } | |
1052 if (CodeCache::contains(fr.pc())) { | |
1053 record_compiled_tick(thread, fr, tp_native); | |
1054 return; | |
1055 } | |
1056 | |
1057 frame caller = fr.profile_find_Java_sender_frame(thread); | |
1058 | |
1059 if (caller.sp() != NULL && caller.pc() != NULL) { | |
1060 record_tick_for_calling_frame(thread, caller); | |
1061 return; | |
1062 } | |
1063 | |
1064 unknown_ticks_array[ut_calling_frame] += 1; | |
1065 FlatProfiler::unknown_ticks += 1; | |
1066 } | |
1067 | |
1068 void ThreadProfiler::record_tick(JavaThread* thread) { | |
1069 FlatProfiler::all_ticks++; | |
1070 thread_ticks += 1; | |
1071 | |
1072 // Here's another way to track global state changes. | |
1073 // When the class loader starts it marks the ThreadProfiler to tell it it is in the class loader | |
1074 // and we check that here. | |
1075 // This is more direct, and more than one thread can be in the class loader at a time, | |
1076 // but it does mean the class loader has to know about the profiler. | |
1077 if (region_flag[ThreadProfilerMark::classLoaderRegion]) { | |
1078 class_loader_ticks += 1; | |
1079 FlatProfiler::class_loader_ticks += 1; | |
1080 return; | |
1081 } else if (region_flag[ThreadProfilerMark::extraRegion]) { | |
1082 extra_ticks += 1; | |
1083 FlatProfiler::extra_ticks += 1; | |
1084 return; | |
1085 } | |
1086 // Note that the WatcherThread can now stop for safepoints | |
1087 uint32_t debug_bits = 0; | |
1088 if (!thread->wait_for_ext_suspend_completion(SuspendRetryCount, | |
1089 SuspendRetryDelay, &debug_bits)) { | |
1090 unknown_ticks_array[ut_unknown_thread_state] += 1; | |
1091 FlatProfiler::unknown_ticks += 1; | |
1092 return; | |
1093 } | |
1094 | |
1095 frame fr; | |
1096 | |
1097 switch (thread->thread_state()) { | |
1098 case _thread_in_native: | |
1099 case _thread_in_native_trans: | |
1100 case _thread_in_vm: | |
1101 case _thread_in_vm_trans: | |
1102 if (thread->profile_last_Java_frame(&fr)) { | |
1103 if (fr.is_runtime_frame()) { | |
1104 RegisterMap map(thread, false); | |
1105 fr = fr.sender(&map); | |
1106 } | |
1107 record_tick_for_calling_frame(thread, fr); | |
1108 } else { | |
1109 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
1110 FlatProfiler::unknown_ticks += 1; | |
1111 } | |
1112 break; | |
1113 // handle_special_runtime_exit_condition self-suspends threads in Java | |
1114 case _thread_in_Java: | |
1115 case _thread_in_Java_trans: | |
1116 if (thread->profile_last_Java_frame(&fr)) { | |
1117 if (fr.is_safepoint_blob_frame()) { | |
1118 RegisterMap map(thread, false); | |
1119 fr = fr.sender(&map); | |
1120 } | |
1121 record_tick_for_running_frame(thread, fr); | |
1122 } else { | |
1123 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
1124 FlatProfiler::unknown_ticks += 1; | |
1125 } | |
1126 break; | |
1127 case _thread_blocked: | |
1128 case _thread_blocked_trans: | |
1129 if (thread->osthread() && thread->osthread()->get_state() == RUNNABLE) { | |
1130 if (thread->profile_last_Java_frame(&fr)) { | |
1131 if (fr.is_safepoint_blob_frame()) { | |
1132 RegisterMap map(thread, false); | |
1133 fr = fr.sender(&map); | |
1134 record_tick_for_running_frame(thread, fr); | |
1135 } else { | |
1136 record_tick_for_calling_frame(thread, fr); | |
1137 } | |
1138 } else { | |
1139 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
1140 FlatProfiler::unknown_ticks += 1; | |
1141 } | |
1142 } else { | |
1143 blocked_ticks += 1; | |
1144 FlatProfiler::blocked_ticks += 1; | |
1145 } | |
1146 break; | |
1147 case _thread_uninitialized: | |
1148 case _thread_new: | |
1149 // not used, included for completeness | |
1150 case _thread_new_trans: | |
1151 unknown_ticks_array[ut_no_last_Java_frame] += 1; | |
1152 FlatProfiler::unknown_ticks += 1; | |
1153 break; | |
1154 default: | |
1155 unknown_ticks_array[ut_unknown_thread_state] += 1; | |
1156 FlatProfiler::unknown_ticks += 1; | |
1157 break; | |
1158 } | |
1159 return; | |
1160 } | |
1161 | |
1162 void ThreadProfiler::engage() { | |
1163 engaged = true; | |
1164 timer.start(); | |
1165 } | |
1166 | |
1167 void ThreadProfiler::disengage() { | |
1168 engaged = false; | |
1169 timer.stop(); | |
1170 } | |
1171 | |
1172 void ThreadProfiler::initialize() { | |
1173 for (int index = 0; index < table_size; index++) { | |
1174 table[index] = NULL; | |
1175 } | |
1176 thread_ticks = 0; | |
1177 blocked_ticks = 0; | |
1178 compiler_ticks = 0; | |
1179 interpreter_ticks = 0; | |
1180 for (int ut = 0; ut < ut_end; ut += 1) { | |
1181 unknown_ticks_array[ut] = 0; | |
1182 } | |
1183 region_flag[ThreadProfilerMark::classLoaderRegion] = false; | |
1184 class_loader_ticks = 0; | |
1185 region_flag[ThreadProfilerMark::extraRegion] = false; | |
1186 extra_ticks = 0; | |
1187 timer.start(); | |
1188 interval_data_ref()->reset(); | |
1189 } | |
1190 | |
1191 void ThreadProfiler::reset() { | |
1192 timer.stop(); | |
1193 if (table != NULL) { | |
1194 for (int index = 0; index < table_size; index++) { | |
1195 ProfilerNode* n = table[index]; | |
1196 if (n != NULL) { | |
1197 delete n; | |
1198 } | |
1199 } | |
1200 } | |
1201 initialize(); | |
1202 } | |
1203 | |
1204 void FlatProfiler::allocate_table() { | |
1205 { // Bytecode table | |
6197 | 1206 bytecode_ticks = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal); |
1207 bytecode_ticks_stub = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal); | |
0 | 1208 for(int index = 0; index < Bytecodes::number_of_codes; index++) { |
1209 bytecode_ticks[index] = 0; | |
1210 bytecode_ticks_stub[index] = 0; | |
1211 } | |
1212 } | |
1213 | |
1214 if (ProfilerRecordPC) PCRecorder::init(); | |
1215 | |
6197 | 1216 interval_data = NEW_C_HEAP_ARRAY(IntervalData, interval_print_size, mtInternal); |
0 | 1217 FlatProfiler::interval_reset(); |
1218 } | |
1219 | |
1220 void FlatProfiler::engage(JavaThread* mainThread, bool fullProfile) { | |
1221 full_profile_flag = fullProfile; | |
1222 if (bytecode_ticks == NULL) { | |
1223 allocate_table(); | |
1224 } | |
1225 if(ProfileVM && (vm_thread_profiler == NULL)){ | |
1226 vm_thread_profiler = new ThreadProfiler(); | |
1227 } | |
1228 if (task == NULL) { | |
1229 task = new FlatProfilerTask(WatcherThread::delay_interval); | |
1230 task->enroll(); | |
1231 } | |
1232 timer.start(); | |
1233 if (mainThread != NULL) { | |
1234 // When mainThread was created, it might not have a ThreadProfiler | |
1235 ThreadProfiler* pp = mainThread->get_thread_profiler(); | |
1236 if (pp == NULL) { | |
1237 mainThread->set_thread_profiler(new ThreadProfiler()); | |
1238 } else { | |
1239 pp->reset(); | |
1240 } | |
1241 mainThread->get_thread_profiler()->engage(); | |
1242 } | |
1243 // This is where we would assign thread_profiler | |
1244 // if we wanted only one thread_profiler for all threads. | |
1245 thread_profiler = NULL; | |
1246 } | |
1247 | |
1248 void FlatProfiler::disengage() { | |
1249 if (!task) { | |
1250 return; | |
1251 } | |
1252 timer.stop(); | |
1253 task->disenroll(); | |
1254 delete task; | |
1255 task = NULL; | |
1256 if (thread_profiler != NULL) { | |
1257 thread_profiler->disengage(); | |
1258 } else { | |
1259 MutexLocker tl(Threads_lock); | |
1260 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
1261 ThreadProfiler* pp = tp->get_thread_profiler(); | |
1262 if (pp != NULL) { | |
1263 pp->disengage(); | |
1264 } | |
1265 } | |
1266 } | |
1267 } | |
1268 | |
1269 void FlatProfiler::reset() { | |
1270 if (task) { | |
1271 disengage(); | |
1272 } | |
1273 | |
1274 class_loader_ticks = 0; | |
1275 extra_ticks = 0; | |
1276 received_gc_ticks = 0; | |
1277 vm_operation_ticks = 0; | |
1278 compiler_ticks = 0; | |
1279 deopt_ticks = 0; | |
1280 interpreter_ticks = 0; | |
1281 blocked_ticks = 0; | |
1282 unknown_ticks = 0; | |
1283 received_ticks = 0; | |
1284 delivered_ticks = 0; | |
1285 timer.stop(); | |
1286 } | |
1287 | |
1288 bool FlatProfiler::is_active() { | |
1289 return task != NULL; | |
1290 } | |
1291 | |
1292 void FlatProfiler::print_byte_code_statistics() { | |
1293 GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200); | |
1294 | |
1295 tty->print_cr(" Bytecode ticks:"); | |
1296 for (int index = 0; index < Bytecodes::number_of_codes; index++) { | |
1297 if (FlatProfiler::bytecode_ticks[index] > 0 || FlatProfiler::bytecode_ticks_stub[index] > 0) { | |
1298 tty->print_cr(" %4d %4d = %s", | |
1299 FlatProfiler::bytecode_ticks[index], | |
1300 FlatProfiler::bytecode_ticks_stub[index], | |
1301 Bytecodes::name( (Bytecodes::Code) index)); | |
1302 } | |
1303 } | |
1304 tty->cr(); | |
1305 } | |
1306 | |
1307 void print_ticks(const char* title, int ticks, int total) { | |
1308 if (ticks > 0) { | |
1309 tty->print("%5.1f%% %5d", ticks * 100.0 / total, ticks); | |
1310 tty->fill_to(col3); | |
1311 tty->print("%s", title); | |
1312 tty->cr(); | |
1313 } | |
1314 } | |
1315 | |
1316 void ThreadProfiler::print(const char* thread_name) { | |
1317 ResourceMark rm; | |
1318 MutexLocker ppl(ProfilePrint_lock); | |
1319 int index = 0; // Declared outside for loops for portability | |
1320 | |
1321 if (table == NULL) { | |
1322 return; | |
1323 } | |
1324 | |
1325 if (thread_ticks <= 0) { | |
1326 return; | |
1327 } | |
1328 | |
1329 const char* title = "too soon to tell"; | |
1330 double secs = timer.seconds(); | |
1331 | |
1332 GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200); | |
1333 for(index = 0; index < table_size; index++) { | |
1334 for(ProfilerNode* node = table[index]; node; node = node->next()) | |
1335 array->append(node); | |
1336 } | |
1337 | |
1338 array->sort(&ProfilerNode::compare); | |
1339 | |
1340 // compute total (sanity check) | |
1341 int active = | |
1342 class_loader_ticks + | |
1343 compiler_ticks + | |
1344 interpreter_ticks + | |
1345 unknown_ticks(); | |
1346 for (index = 0; index < array->length(); index++) { | |
1347 active += array->at(index)->ticks.total(); | |
1348 } | |
1349 int total = active + blocked_ticks; | |
1350 | |
1351 tty->cr(); | |
1352 tty->print_cr("Flat profile of %3.2f secs (%d total ticks): %s", secs, total, thread_name); | |
1353 if (total != thread_ticks) { | |
1354 print_ticks("Lost ticks", thread_ticks-total, thread_ticks); | |
1355 } | |
1356 tty->cr(); | |
1357 | |
1358 // print interpreted methods | |
1359 tick_counter interpreted_ticks; | |
1360 bool has_interpreted_ticks = false; | |
1361 int print_count = 0; | |
1362 for (index = 0; index < array->length(); index++) { | |
1363 ProfilerNode* n = array->at(index); | |
1364 if (n->is_interpreted()) { | |
1365 interpreted_ticks.add(&n->ticks); | |
1366 if (!has_interpreted_ticks) { | |
1367 interpretedNode::print_title(tty); | |
1368 has_interpreted_ticks = true; | |
1369 } | |
1370 if (print_count++ < ProfilerNumberOfInterpretedMethods) { | |
1371 n->print(tty, active); | |
1372 } | |
1373 } | |
1374 } | |
1375 if (has_interpreted_ticks) { | |
1376 if (print_count <= ProfilerNumberOfInterpretedMethods) { | |
1377 title = "Total interpreted"; | |
1378 } else { | |
1379 title = "Total interpreted (including elided)"; | |
1380 } | |
1381 interpretedNode::print_total(tty, &interpreted_ticks, active, title); | |
1382 tty->cr(); | |
1383 } | |
1384 | |
1385 // print compiled methods | |
1386 tick_counter compiled_ticks; | |
1387 bool has_compiled_ticks = false; | |
1388 print_count = 0; | |
1389 for (index = 0; index < array->length(); index++) { | |
1390 ProfilerNode* n = array->at(index); | |
1391 if (n->is_compiled()) { | |
1392 compiled_ticks.add(&n->ticks); | |
1393 if (!has_compiled_ticks) { | |
1394 compiledNode::print_title(tty); | |
1395 has_compiled_ticks = true; | |
1396 } | |
1397 if (print_count++ < ProfilerNumberOfCompiledMethods) { | |
1398 n->print(tty, active); | |
1399 } | |
1400 } | |
1401 } | |
1402 if (has_compiled_ticks) { | |
1403 if (print_count <= ProfilerNumberOfCompiledMethods) { | |
1404 title = "Total compiled"; | |
1405 } else { | |
1406 title = "Total compiled (including elided)"; | |
1407 } | |
1408 compiledNode::print_total(tty, &compiled_ticks, active, title); | |
1409 tty->cr(); | |
1410 } | |
1411 | |
1412 // print stub methods | |
1413 tick_counter stub_ticks; | |
1414 bool has_stub_ticks = false; | |
1415 print_count = 0; | |
1416 for (index = 0; index < array->length(); index++) { | |
1417 ProfilerNode* n = array->at(index); | |
1418 if (n->is_stub()) { | |
1419 stub_ticks.add(&n->ticks); | |
1420 if (!has_stub_ticks) { | |
1421 stubNode::print_title(tty); | |
1422 has_stub_ticks = true; | |
1423 } | |
1424 if (print_count++ < ProfilerNumberOfStubMethods) { | |
1425 n->print(tty, active); | |
1426 } | |
1427 } | |
1428 } | |
1429 if (has_stub_ticks) { | |
1430 if (print_count <= ProfilerNumberOfStubMethods) { | |
1431 title = "Total stub"; | |
1432 } else { | |
1433 title = "Total stub (including elided)"; | |
1434 } | |
1435 stubNode::print_total(tty, &stub_ticks, active, title); | |
1436 tty->cr(); | |
1437 } | |
1438 | |
1439 // print runtime stubs | |
1440 tick_counter runtime_stub_ticks; | |
1441 bool has_runtime_stub_ticks = false; | |
1442 print_count = 0; | |
1443 for (index = 0; index < array->length(); index++) { | |
1444 ProfilerNode* n = array->at(index); | |
1445 if (n->is_runtime_stub()) { | |
1446 runtime_stub_ticks.add(&n->ticks); | |
1447 if (!has_runtime_stub_ticks) { | |
1448 runtimeStubNode::print_title(tty); | |
1449 has_runtime_stub_ticks = true; | |
1450 } | |
1451 if (print_count++ < ProfilerNumberOfRuntimeStubNodes) { | |
1452 n->print(tty, active); | |
1453 } | |
1454 } | |
1455 } | |
1456 if (has_runtime_stub_ticks) { | |
1457 if (print_count <= ProfilerNumberOfRuntimeStubNodes) { | |
1458 title = "Total runtime stubs"; | |
1459 } else { | |
1460 title = "Total runtime stubs (including elided)"; | |
1461 } | |
1462 runtimeStubNode::print_total(tty, &runtime_stub_ticks, active, title); | |
1463 tty->cr(); | |
1464 } | |
1465 | |
1466 if (blocked_ticks + class_loader_ticks + interpreter_ticks + compiler_ticks + unknown_ticks() != 0) { | |
1467 tty->fill_to(col1); | |
1468 tty->print_cr("Thread-local ticks:"); | |
1469 print_ticks("Blocked (of total)", blocked_ticks, total); | |
1470 print_ticks("Class loader", class_loader_ticks, active); | |
1471 print_ticks("Extra", extra_ticks, active); | |
1472 print_ticks("Interpreter", interpreter_ticks, active); | |
1473 print_ticks("Compilation", compiler_ticks, active); | |
1474 print_ticks("Unknown: vtable stubs", unknown_ticks_array[ut_vtable_stubs], active); | |
1475 print_ticks("Unknown: null method", unknown_ticks_array[ut_null_method], active); | |
1476 print_ticks("Unknown: running frame", unknown_ticks_array[ut_running_frame], active); | |
1477 print_ticks("Unknown: calling frame", unknown_ticks_array[ut_calling_frame], active); | |
1478 print_ticks("Unknown: no pc", unknown_ticks_array[ut_no_pc], active); | |
1479 print_ticks("Unknown: no last frame", unknown_ticks_array[ut_no_last_Java_frame], active); | |
1480 print_ticks("Unknown: thread_state", unknown_ticks_array[ut_unknown_thread_state], active); | |
1481 tty->cr(); | |
1482 } | |
1483 | |
1484 if (WizardMode) { | |
1485 tty->print_cr("Node area used: %dKb", (area_top - area_bottom) / 1024); | |
1486 } | |
1487 reset(); | |
1488 } | |
1489 | |
1490 /* | |
1491 ThreadProfiler::print_unknown(){ | |
1492 if (table == NULL) { | |
1493 return; | |
1494 } | |
1495 | |
1496 if (thread_ticks <= 0) { | |
1497 return; | |
1498 } | |
1499 } */ | |
1500 | |
1501 void FlatProfiler::print(int unused) { | |
1502 ResourceMark rm; | |
1503 if (thread_profiler != NULL) { | |
1504 thread_profiler->print("All threads"); | |
1505 } else { | |
1506 MutexLocker tl(Threads_lock); | |
1507 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
1508 ThreadProfiler* pp = tp->get_thread_profiler(); | |
1509 if (pp != NULL) { | |
1510 pp->print(tp->get_thread_name()); | |
1511 } | |
1512 } | |
1513 } | |
1514 | |
1515 if (ProfilerPrintByteCodeStatistics) { | |
1516 print_byte_code_statistics(); | |
1517 } | |
1518 | |
1519 if (non_method_ticks() > 0) { | |
1520 tty->cr(); | |
1521 tty->print_cr("Global summary of %3.2f seconds:", timer.seconds()); | |
1522 print_ticks("Received ticks", received_ticks, received_ticks); | |
1523 print_ticks("Received GC ticks", received_gc_ticks, received_ticks); | |
1524 print_ticks("Compilation", compiler_ticks, received_ticks); | |
1525 print_ticks("Deoptimization", deopt_ticks, received_ticks); | |
1526 print_ticks("Other VM operations", vm_operation_ticks, received_ticks); | |
1527 #ifndef PRODUCT | |
1528 print_ticks("Blocked ticks", blocked_ticks, received_ticks); | |
1529 print_ticks("Threads_lock blocks", threads_lock_ticks, received_ticks); | |
1530 print_ticks("Delivered ticks", delivered_ticks, received_ticks); | |
1531 print_ticks("All ticks", all_ticks, received_ticks); | |
1532 #endif | |
1533 print_ticks("Class loader", class_loader_ticks, received_ticks); | |
1534 print_ticks("Extra ", extra_ticks, received_ticks); | |
1535 print_ticks("Interpreter", interpreter_ticks, received_ticks); | |
1536 print_ticks("Unknown code", unknown_ticks, received_ticks); | |
1537 } | |
1538 | |
1539 PCRecorder::print(); | |
1540 | |
1541 if(ProfileVM){ | |
1542 tty->cr(); | |
1543 vm_thread_profiler->print("VM Thread"); | |
1544 } | |
1545 } | |
1546 | |
1547 void IntervalData::print_header(outputStream* st) { | |
1548 st->print("i/c/n/g"); | |
1549 } | |
1550 | |
1551 void IntervalData::print_data(outputStream* st) { | |
1552 st->print("%d/%d/%d/%d", interpreted(), compiled(), native(), compiling()); | |
1553 } | |
1554 | |
1555 void FlatProfiler::interval_record_thread(ThreadProfiler* tp) { | |
1556 IntervalData id = tp->interval_data(); | |
1557 int total = id.total(); | |
1558 tp->interval_data_ref()->reset(); | |
1559 | |
1560 // Insertion sort the data, if it's relevant. | |
1561 for (int i = 0; i < interval_print_size; i += 1) { | |
1562 if (total > interval_data[i].total()) { | |
1563 for (int j = interval_print_size - 1; j > i; j -= 1) { | |
1564 interval_data[j] = interval_data[j-1]; | |
1565 } | |
1566 interval_data[i] = id; | |
1567 break; | |
1568 } | |
1569 } | |
1570 } | |
1571 | |
1572 void FlatProfiler::interval_print() { | |
1573 if ((interval_data[0].total() > 0)) { | |
1574 tty->stamp(); | |
1575 tty->print("\t"); | |
1576 IntervalData::print_header(tty); | |
1577 for (int i = 0; i < interval_print_size; i += 1) { | |
1578 if (interval_data[i].total() > 0) { | |
1579 tty->print("\t"); | |
1580 interval_data[i].print_data(tty); | |
1581 } | |
1582 } | |
1583 tty->cr(); | |
1584 } | |
1585 } | |
1586 | |
1587 void FlatProfiler::interval_reset() { | |
1588 for (int i = 0; i < interval_print_size; i += 1) { | |
1589 interval_data[i].reset(); | |
1590 } | |
1591 } | |
1592 | |
1593 void ThreadProfiler::oops_do(OopClosure* f) { | |
1594 if (table == NULL) return; | |
1595 | |
1596 for(int index = 0; index < table_size; index++) { | |
1597 for(ProfilerNode* node = table[index]; node; node = node->next()) | |
1598 node->oops_do(f); | |
1599 } | |
1600 } | |
1601 | |
1602 void FlatProfiler::oops_do(OopClosure* f) { | |
1603 if (thread_profiler != NULL) { | |
1604 thread_profiler->oops_do(f); | |
1605 } else { | |
1606 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) { | |
1607 ThreadProfiler* pp = tp->get_thread_profiler(); | |
1608 if (pp != NULL) { | |
1609 pp->oops_do(f); | |
1610 } | |
1611 } | |
1612 } | |
1613 } |