1 /*
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/classLoader.hpp"
27 #include "code/codeCache.hpp"
28 #include "code/vtableStubs.hpp"
29 #include "gc_interface/collectedHeap.inline.hpp"
30 #include "interpreter/interpreter.hpp"
31 #include "memory/allocation.inline.hpp"
32 #include "memory/universe.inline.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "oops/oop.inline2.hpp"
35 #include "oops/symbol.hpp"
36 #include "runtime/deoptimization.hpp"
37 #include "runtime/fprofiler.hpp"
38 #include "runtime/mutexLocker.hpp"
39 #include "runtime/stubCodeGenerator.hpp"
40 #include "runtime/stubRoutines.hpp"
41 #include "runtime/task.hpp"
42 #include "runtime/thread.inline.hpp"
43 #include "runtime/vframe.hpp"
44 #include "utilities/macros.hpp"
45
46 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
47
48 // Static fields of FlatProfiler
49 int FlatProfiler::received_gc_ticks = 0;
50 int FlatProfiler::vm_operation_ticks = 0;
51 int FlatProfiler::threads_lock_ticks = 0;
52 int FlatProfiler::class_loader_ticks = 0;
53 int FlatProfiler::extra_ticks = 0;
54 int FlatProfiler::blocked_ticks = 0;
55 int FlatProfiler::deopt_ticks = 0;
56 int FlatProfiler::unknown_ticks = 0;
57 int FlatProfiler::interpreter_ticks = 0;
58 int FlatProfiler::compiler_ticks = 0;
59 int FlatProfiler::received_ticks = 0;
60 int FlatProfiler::delivered_ticks = 0;
61 int* FlatProfiler::bytecode_ticks = NULL;
62 int* FlatProfiler::bytecode_ticks_stub = NULL;
63 int FlatProfiler::all_int_ticks = 0;
64 int FlatProfiler::all_comp_ticks = 0;
65 int FlatProfiler::all_ticks = 0;
66 bool FlatProfiler::full_profile_flag = false;
67 ThreadProfiler* FlatProfiler::thread_profiler = NULL;
68 ThreadProfiler* FlatProfiler::vm_thread_profiler = NULL;
69 FlatProfilerTask* FlatProfiler::task = NULL;
70 elapsedTimer FlatProfiler::timer;
71 int FlatProfiler::interval_ticks_previous = 0;
72 IntervalData* FlatProfiler::interval_data = NULL;
73
74 ThreadProfiler::ThreadProfiler() {
75 // Space for the ProfilerNodes
76 const int area_size = 1 * ProfilerNodeSize * 1024;
77 area_bottom = AllocateHeap(area_size, mtInternal);
78 area_top = area_bottom;
79 area_limit = area_bottom + area_size;
80
81 // ProfilerNode pointer table
82 table = NEW_C_HEAP_ARRAY(ProfilerNode*, table_size, mtInternal);
83 initialize();
84 engaged = false;
85 }
86
87 ThreadProfiler::~ThreadProfiler() {
88 FreeHeap(area_bottom);
89 area_bottom = NULL;
90 area_top = NULL;
91 area_limit = NULL;
92 FreeHeap(table);
93 table = NULL;
94 }
95
96 // Statics for ThreadProfiler
97 int ThreadProfiler::table_size = 1024;
98
99 int ThreadProfiler::entry(int value) {
100 value = (value > 0) ? value : -value;
101 return value % table_size;
102 }
103
104 ThreadProfilerMark::ThreadProfilerMark(ThreadProfilerMark::Region r) {
105 _r = r;
106 _pp = NULL;
107 assert(((r > ThreadProfilerMark::noRegion) && (r < ThreadProfilerMark::maxRegion)), "ThreadProfilerMark::Region out of bounds");
108 Thread* tp = Thread::current();
109 if (tp != NULL && tp->is_Java_thread()) {
110 JavaThread* jtp = (JavaThread*) tp;
111 ThreadProfiler* pp = jtp->get_thread_profiler();
112 _pp = pp;
113 if (pp != NULL) {
114 pp->region_flag[r] = true;
115 }
116 }
117 }
118
119 ThreadProfilerMark::~ThreadProfilerMark() {
120 if (_pp != NULL) {
121 _pp->region_flag[_r] = false;
122 }
123 _pp = NULL;
124 }
125
126 // Random other statics
127 static const int col1 = 2; // position of output column 1
128 static const int col2 = 11; // position of output column 2
129 static const int col3 = 25; // position of output column 3
130 static const int col4 = 55; // position of output column 4
131
132
133 // Used for detailed profiling of nmethods.
134 class PCRecorder : AllStatic {
135 private:
136 static int* counters;
137 static address base;
138 enum {
139 bucket_size = 16
140 };
141 static int index_for(address pc) { return (pc - base)/bucket_size; }
142 static address pc_for(int index) { return base + (index * bucket_size); }
143 static int size() {
144 return ((int)CodeCache::max_capacity())/bucket_size * BytesPerWord;
145 }
146 public:
147 static address bucket_start_for(address pc) {
148 if (counters == NULL) return NULL;
149 return pc_for(index_for(pc));
150 }
151 static int bucket_count_for(address pc) { return counters[index_for(pc)]; }
152 static void init();
153 static void record(address pc);
154 static void print();
155 static void print_blobs(CodeBlob* cb);
156 };
157
158 int* PCRecorder::counters = NULL;
159 address PCRecorder::base = NULL;
160
161 void PCRecorder::init() {
162 MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
163 int s = size();
164 counters = NEW_C_HEAP_ARRAY(int, s, mtInternal);
165 for (int index = 0; index < s; index++) {
166 counters[index] = 0;
167 }
168 base = CodeCache::first_address();
169 }
170
171 void PCRecorder::record(address pc) {
172 if (counters == NULL) return;
173 assert(CodeCache::contains(pc), "must be in CodeCache");
174 counters[index_for(pc)]++;
175 }
176
177
178 address FlatProfiler::bucket_start_for(address pc) {
179 return PCRecorder::bucket_start_for(pc);
180 }
181
182 int FlatProfiler::bucket_count_for(address pc) {
183 return PCRecorder::bucket_count_for(pc);
184 }
185
186 void PCRecorder::print() {
187 if (counters == NULL) return;
188
189 tty->cr();
190 tty->print_cr("Printing compiled methods with PC buckets having more than %d ticks", ProfilerPCTickThreshold);
191 tty->print_cr("===================================================================");
192 tty->cr();
193
194 GrowableArray<CodeBlob*>* candidates = new GrowableArray<CodeBlob*>(20);
195
196
197 int s;
198 {
199 MutexLockerEx lm(CodeCache_lock, Mutex::_no_safepoint_check_flag);
200 s = size();
201 }
202
203 for (int index = 0; index < s; index++) {
204 int count = counters[index];
205 if (count > ProfilerPCTickThreshold) {
206 address pc = pc_for(index);
207 CodeBlob* cb = CodeCache::find_blob_unsafe(pc);
208 if (cb != NULL && candidates->find(cb) < 0) {
209 candidates->push(cb);
210 }
211 }
212 }
213 for (int i = 0; i < candidates->length(); i++) {
214 print_blobs(candidates->at(i));
215 }
216 }
217
218 void PCRecorder::print_blobs(CodeBlob* cb) {
219 if (cb != NULL) {
220 cb->print();
221 if (cb->is_nmethod()) {
222 ((nmethod*)cb)->print_code();
223 }
224 tty->cr();
225 } else {
226 tty->print_cr("stub code");
227 }
228 }
229
230 class tick_counter { // holds tick info for one node
231 public:
232 int ticks_in_code;
233 int ticks_in_native;
234
235 tick_counter() { ticks_in_code = ticks_in_native = 0; }
236 tick_counter(int code, int native) { ticks_in_code = code; ticks_in_native = native; }
237
238 int total() const {
239 return (ticks_in_code + ticks_in_native);
240 }
241
242 void add(tick_counter* a) {
243 ticks_in_code += a->ticks_in_code;
244 ticks_in_native += a->ticks_in_native;
245 }
246
247 void update(TickPosition where) {
248 switch(where) {
249 case tp_code: ticks_in_code++; break;
250 case tp_native: ticks_in_native++; break;
251 }
252 }
253
254 void print_code(outputStream* st, int total_ticks) {
255 st->print("%5.1f%% %5d ", total() * 100.0 / total_ticks, ticks_in_code);
256 }
257
258 void print_native(outputStream* st) {
259 st->print(" + %5d ", ticks_in_native);
260 }
261 };
262
263 class ProfilerNode {
264 private:
265 ProfilerNode* _next;
266 public:
267 tick_counter ticks;
268
269 public:
270
271 void* operator new(size_t size, ThreadProfiler* tp) throw();
272 void operator delete(void* p);
273
274 ProfilerNode() {
275 _next = NULL;
276 }
277
278 virtual ~ProfilerNode() {
279 if (_next)
280 delete _next;
281 }
282
283 void set_next(ProfilerNode* n) { _next = n; }
284 ProfilerNode* next() { return _next; }
285
286 void update(TickPosition where) { ticks.update(where);}
287 int total_ticks() { return ticks.total(); }
288
289 virtual bool is_interpreted() const { return false; }
290 virtual bool is_compiled() const { return false; }
291 virtual bool is_stub() const { return false; }
292 virtual bool is_runtime_stub() const{ return false; }
293 virtual void oops_do(OopClosure* f) = 0;
294
295 virtual bool interpreted_match(Method* m) const { return false; }
296 virtual bool compiled_match(Method* m ) const { return false; }
297 virtual bool stub_match(Method* m, const char* name) const { return false; }
298 virtual bool adapter_match() const { return false; }
299 virtual bool runtimeStub_match(const CodeBlob* stub, const char* name) const { return false; }
300 virtual bool unknown_compiled_match(const CodeBlob* cb) const { return false; }
301
302 static void print_title(outputStream* st) {
303 st->print(" + native");
304 st->fill_to(col3);
305 st->print("Method");
306 st->fill_to(col4);
307 st->cr();
308 }
309
310 static void print_total(outputStream* st, tick_counter* t, int total, const char* msg) {
311 t->print_code(st, total);
312 st->fill_to(col2);
313 t->print_native(st);
314 st->fill_to(col3);
315 st->print("%s", msg);
316 st->cr();
317 }
318
319 virtual Method* method() = 0;
320
321 virtual void print_method_on(outputStream* st) {
322 int limit;
323 int i;
324 Method* m = method();
325 Symbol* k = m->klass_name();
326 // Print the class name with dots instead of slashes
327 limit = k->utf8_length();
328 for (i = 0 ; i < limit ; i += 1) {
329 char c = (char) k->byte_at(i);
330 if (c == '/') {
331 c = '.';
332 }
333 st->print("%c", c);
334 }
335 if (limit > 0) {
336 st->print(".");
337 }
338 Symbol* n = m->name();
339 limit = n->utf8_length();
340 for (i = 0 ; i < limit ; i += 1) {
341 char c = (char) n->byte_at(i);
342 st->print("%c", c);
343 }
344 if (Verbose || WizardMode) {
345 // Disambiguate overloaded methods
346 Symbol* sig = m->signature();
347 sig->print_symbol_on(st);
348 } else if (MethodHandles::is_signature_polymorphic(m->intrinsic_id()))
349 // compare with Method::print_short_name
350 MethodHandles::print_as_basic_type_signature_on(st, m->signature(), true);
351 }
352
353 virtual void print(outputStream* st, int total_ticks) {
354 ticks.print_code(st, total_ticks);
355 st->fill_to(col2);
356 ticks.print_native(st);
357 st->fill_to(col3);
358 print_method_on(st);
359 st->cr();
360 }
361
362 // for hashing into the table
363 static int hash(Method* method) {
364 // The point here is to try to make something fairly unique
365 // out of the fields we can read without grabbing any locks
366 // since the method may be locked when we need the hash.
367 return (
368 method->code_size() ^
369 method->max_stack() ^
370 method->max_locals() ^
371 method->size_of_parameters());
372 }
373
374 // for sorting
375 static int compare(ProfilerNode** a, ProfilerNode** b) {
376 return (*b)->total_ticks() - (*a)->total_ticks();
377 }
378 };
379
380 void* ProfilerNode::operator new(size_t size, ThreadProfiler* tp) throw() {
381 void* result = (void*) tp->area_top;
382 tp->area_top += size;
383
384 if (tp->area_top > tp->area_limit) {
385 fatal("flat profiler buffer overflow");
386 }
387 return result;
388 }
389
390 void ProfilerNode::operator delete(void* p){
391 }
392
393 class interpretedNode : public ProfilerNode {
394 private:
395 Method* _method;
396 oop _class_loader; // needed to keep metadata for the method alive
397 public:
398 interpretedNode(Method* method, TickPosition where) : ProfilerNode() {
399 _method = method;
400 _class_loader = method->method_holder()->class_loader();
401 update(where);
402 }
403
404 bool is_interpreted() const { return true; }
405
406 bool interpreted_match(Method* m) const {
407 return _method == m;
408 }
409
410 void oops_do(OopClosure* f) {
411 f->do_oop(&_class_loader);
412 }
413
414 Method* method() { return _method; }
415
416 static void print_title(outputStream* st) {
417 st->fill_to(col1);
418 st->print("%11s", "Interpreted");
419 ProfilerNode::print_title(st);
420 }
421
422 void print(outputStream* st, int total_ticks) {
423 ProfilerNode::print(st, total_ticks);
424 }
425
426 void print_method_on(outputStream* st) {
427 ProfilerNode::print_method_on(st);
428 MethodCounters* mcs = method()->method_counters();
429 if (Verbose && mcs != NULL) mcs->invocation_counter()->print_short();
430 }
431 };
432
433 class compiledNode : public ProfilerNode {
434 private:
435 Method* _method;
436 oop _class_loader; // needed to keep metadata for the method alive
437 public:
438 compiledNode(Method* method, TickPosition where) : ProfilerNode() {
439 _method = method;
440 _class_loader = method->method_holder()->class_loader();
441 update(where);
442 }
443 bool is_compiled() const { return true; }
444
445 bool compiled_match(Method* m) const {
446 return _method == m;
447 }
448
449 Method* method() { return _method; }
450
451 void oops_do(OopClosure* f) {
452 f->do_oop(&_class_loader);
453 }
454
455 static void print_title(outputStream* st) {
456 st->fill_to(col1);
457 st->print("%11s", "Compiled");
458 ProfilerNode::print_title(st);
459 }
460
461 void print(outputStream* st, int total_ticks) {
462 ProfilerNode::print(st, total_ticks);
463 }
464
465 void print_method_on(outputStream* st) {
466 ProfilerNode::print_method_on(st);
467 }
468 };
469
470 class stubNode : public ProfilerNode {
471 private:
472 Method* _method;
473 oop _class_loader; // needed to keep metadata for the method alive
474 const char* _symbol; // The name of the nearest VM symbol (for +ProfileVM). Points to a unique string
475 public:
476 stubNode(Method* method, const char* name, TickPosition where) : ProfilerNode() {
477 _method = method;
478 _class_loader = method->method_holder()->class_loader();
479 _symbol = name;
480 update(where);
481 }
482
483 bool is_stub() const { return true; }
484
485 void oops_do(OopClosure* f) {
486 f->do_oop(&_class_loader);
487 }
488
489 bool stub_match(Method* m, const char* name) const {
490 return (_method == m) && (_symbol == name);
491 }
492
493 Method* method() { return _method; }
494
495 static void print_title(outputStream* st) {
496 st->fill_to(col1);
497 st->print("%11s", "Stub");
498 ProfilerNode::print_title(st);
499 }
500
501 void print(outputStream* st, int total_ticks) {
502 ProfilerNode::print(st, total_ticks);
503 }
504
505 void print_method_on(outputStream* st) {
506 ProfilerNode::print_method_on(st);
507 print_symbol_on(st);
508 }
509
510 void print_symbol_on(outputStream* st) {
511 if(_symbol) {
512 st->print(" (%s)", _symbol);
513 }
514 }
515 };
516
517 class adapterNode : public ProfilerNode {
518 public:
519 adapterNode(TickPosition where) : ProfilerNode() {
520 update(where);
521 }
522 bool is_compiled() const { return true; }
523
524 bool adapter_match() const { return true; }
525
526 Method* method() { return NULL; }
527
528 void oops_do(OopClosure* f) {
529 ;
530 }
531
532 void print(outputStream* st, int total_ticks) {
533 ProfilerNode::print(st, total_ticks);
534 }
535
536 void print_method_on(outputStream* st) {
537 st->print("%s", "adapters");
538 }
539 };
540
541 class runtimeStubNode : public ProfilerNode {
542 private:
543 const CodeBlob* _stub;
544 const char* _symbol; // The name of the nearest VM symbol when ProfileVM is on. Points to a unique string.
545 public:
546 runtimeStubNode(const CodeBlob* stub, const char* name, TickPosition where) : ProfilerNode(), _stub(stub), _symbol(name) {
547 assert(stub->is_runtime_stub(), "wrong code blob");
548 update(where);
549 }
550
551 bool is_runtime_stub() const { return true; }
552
553 bool runtimeStub_match(const CodeBlob* stub, const char* name) const {
554 assert(stub->is_runtime_stub(), "wrong code blob");
555 return ((RuntimeStub*)_stub)->entry_point() == ((RuntimeStub*)stub)->entry_point() &&
556 (_symbol == name);
557 }
558
559 Method* method() { return NULL; }
560
561 static void print_title(outputStream* st) {
562 st->fill_to(col1);
563 st->print("%11s", "Runtime stub");
564 ProfilerNode::print_title(st);
565 }
566
567 void oops_do(OopClosure* f) {
568 ;
569 }
570
571 void print(outputStream* st, int total_ticks) {
572 ProfilerNode::print(st, total_ticks);
573 }
574
575 void print_method_on(outputStream* st) {
576 st->print("%s", ((RuntimeStub*)_stub)->name());
577 print_symbol_on(st);
578 }
579
580 void print_symbol_on(outputStream* st) {
581 if(_symbol) {
582 st->print(" (%s)", _symbol);
583 }
584 }
585 };
586
587
588 class unknown_compiledNode : public ProfilerNode {
589 const char *_name;
590 public:
591 unknown_compiledNode(const CodeBlob* cb, TickPosition where) : ProfilerNode() {
592 if ( cb->is_buffer_blob() )
593 _name = ((BufferBlob*)cb)->name();
594 else
595 _name = ((SingletonBlob*)cb)->name();
596 update(where);
597 }
598 bool is_compiled() const { return true; }
599
600 bool unknown_compiled_match(const CodeBlob* cb) const {
601 if ( cb->is_buffer_blob() )
602 return !strcmp(((BufferBlob*)cb)->name(), _name);
603 else
604 return !strcmp(((SingletonBlob*)cb)->name(), _name);
605 }
606
607 Method* method() { return NULL; }
608
609 void oops_do(OopClosure* f) {
610 ;
611 }
612
613 void print(outputStream* st, int total_ticks) {
614 ProfilerNode::print(st, total_ticks);
615 }
616
617 void print_method_on(outputStream* st) {
618 st->print("%s", _name);
619 }
620 };
621
622 class vmNode : public ProfilerNode {
623 private:
624 const char* _name; // "optional" name obtained by os means such as dll lookup
625 public:
626 vmNode(const TickPosition where) : ProfilerNode() {
627 _name = NULL;
628 update(where);
629 }
630
631 vmNode(const char* name, const TickPosition where) : ProfilerNode() {
632 _name = name;
633 update(where);
634 }
635
636 const char *name() const { return _name; }
637 bool is_compiled() const { return true; }
638
639 bool vm_match(const char* name) const { return strcmp(name, _name) == 0; }
640
641 Method* method() { return NULL; }
642
643 static int hash(const char* name){
644 // Compute a simple hash
645 const char* cp = name;
646 int h = 0;
647
648 if(name != NULL){
649 while(*cp != '\0'){
650 h = (h << 1) ^ *cp;
651 cp++;
652 }
653 }
654 return h;
655 }
656
657 void oops_do(OopClosure* f) {
658 ;
659 }
660
661 void print(outputStream* st, int total_ticks) {
662 ProfilerNode::print(st, total_ticks);
663 }
664
665 void print_method_on(outputStream* st) {
666 if(_name==NULL){
667 st->print("%s", "unknown code");
668 }
669 else {
670 st->print("%s", _name);
671 }
672 }
673 };
674
675 void ThreadProfiler::interpreted_update(Method* method, TickPosition where) {
676 int index = entry(ProfilerNode::hash(method));
677 if (!table[index]) {
678 table[index] = new (this) interpretedNode(method, where);
679 } else {
680 ProfilerNode* prev = table[index];
681 for(ProfilerNode* node = prev; node; node = node->next()) {
682 if (node->interpreted_match(method)) {
683 node->update(where);
684 return;
685 }
686 prev = node;
687 }
688 prev->set_next(new (this) interpretedNode(method, where));
689 }
690 }
691
692 void ThreadProfiler::compiled_update(Method* method, TickPosition where) {
693 int index = entry(ProfilerNode::hash(method));
694 if (!table[index]) {
695 table[index] = new (this) compiledNode(method, where);
696 } else {
697 ProfilerNode* prev = table[index];
698 for(ProfilerNode* node = prev; node; node = node->next()) {
699 if (node->compiled_match(method)) {
700 node->update(where);
701 return;
702 }
703 prev = node;
704 }
705 prev->set_next(new (this) compiledNode(method, where));
706 }
707 }
708
709 void ThreadProfiler::stub_update(Method* method, const char* name, TickPosition where) {
710 int index = entry(ProfilerNode::hash(method));
711 if (!table[index]) {
712 table[index] = new (this) stubNode(method, name, where);
713 } else {
714 ProfilerNode* prev = table[index];
715 for(ProfilerNode* node = prev; node; node = node->next()) {
716 if (node->stub_match(method, name)) {
717 node->update(where);
718 return;
719 }
720 prev = node;
721 }
722 prev->set_next(new (this) stubNode(method, name, where));
723 }
724 }
725
726 void ThreadProfiler::adapter_update(TickPosition where) {
727 int index = 0;
728 if (!table[index]) {
729 table[index] = new (this) adapterNode(where);
730 } else {
731 ProfilerNode* prev = table[index];
732 for(ProfilerNode* node = prev; node; node = node->next()) {
733 if (node->adapter_match()) {
734 node->update(where);
735 return;
736 }
737 prev = node;
738 }
739 prev->set_next(new (this) adapterNode(where));
740 }
741 }
742
743 void ThreadProfiler::runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where) {
744 int index = 0;
745 if (!table[index]) {
746 table[index] = new (this) runtimeStubNode(stub, name, where);
747 } else {
748 ProfilerNode* prev = table[index];
749 for(ProfilerNode* node = prev; node; node = node->next()) {
750 if (node->runtimeStub_match(stub, name)) {
751 node->update(where);
752 return;
753 }
754 prev = node;
755 }
756 prev->set_next(new (this) runtimeStubNode(stub, name, where));
757 }
758 }
759
760
761 void ThreadProfiler::unknown_compiled_update(const CodeBlob* cb, TickPosition where) {
762 int index = 0;
763 if (!table[index]) {
764 table[index] = new (this) unknown_compiledNode(cb, where);
765 } else {
766 ProfilerNode* prev = table[index];
767 for(ProfilerNode* node = prev; node; node = node->next()) {
768 if (node->unknown_compiled_match(cb)) {
769 node->update(where);
770 return;
771 }
772 prev = node;
773 }
774 prev->set_next(new (this) unknown_compiledNode(cb, where));
775 }
776 }
777
778 void ThreadProfiler::vm_update(TickPosition where) {
779 vm_update(NULL, where);
780 }
781
782 void ThreadProfiler::vm_update(const char* name, TickPosition where) {
783 int index = entry(vmNode::hash(name));
784 assert(index >= 0, "Must be positive");
785 // Note that we call strdup below since the symbol may be resource allocated
786 if (!table[index]) {
787 table[index] = new (this) vmNode(os::strdup(name), where);
788 } else {
789 ProfilerNode* prev = table[index];
790 for(ProfilerNode* node = prev; node; node = node->next()) {
791 if (((vmNode *)node)->vm_match(name)) {
792 node->update(where);
793 return;
794 }
795 prev = node;
796 }
797 prev->set_next(new (this) vmNode(os::strdup(name), where));
798 }
799 }
800
801
802 class FlatProfilerTask : public PeriodicTask {
803 public:
804 FlatProfilerTask(int interval_time) : PeriodicTask(interval_time) {}
805 void task();
806 };
807
808 void FlatProfiler::record_vm_operation() {
809 if (Universe::heap()->is_gc_active()) {
810 FlatProfiler::received_gc_ticks += 1;
811 return;
812 }
813
814 if (DeoptimizationMarker::is_active()) {
815 FlatProfiler::deopt_ticks += 1;
816 return;
817 }
818
819 FlatProfiler::vm_operation_ticks += 1;
820 }
821
822 void FlatProfiler::record_vm_tick() {
823 // Profile the VM Thread itself if needed
824 // This is done without getting the Threads_lock and we can go deep
825 // inside Safepoint, etc.
826 if( ProfileVM ) {
827 ResourceMark rm;
828 ExtendedPC epc;
829 const char *name = NULL;
830 char buf[256];
831 buf[0] = '\0';
832
833 vm_thread_profiler->inc_thread_ticks();
834
835 // Get a snapshot of a current VMThread pc (and leave it running!)
836 // The call may fail if, for instance the VM thread is interrupted while
837 // holding the Interrupt_lock or for other reasons.
838 epc = os::get_thread_pc(VMThread::vm_thread());
839 if(epc.pc() != NULL) {
840 if (os::dll_address_to_function_name(epc.pc(), buf, sizeof(buf), NULL)) {
841 name = buf;
842 }
843 }
844 if (name != NULL) {
845 vm_thread_profiler->vm_update(name, tp_native);
846 }
847 }
848 }
849
850 void FlatProfiler::record_thread_ticks() {
851
852 int maxthreads, suspendedthreadcount;
853 JavaThread** threadsList;
854 bool interval_expired = false;
855
856 if (ProfileIntervals &&
857 (FlatProfiler::received_ticks >= interval_ticks_previous + ProfileIntervalsTicks)) {
858 interval_expired = true;
859 interval_ticks_previous = FlatProfiler::received_ticks;
860 }
861
862 // Try not to wait for the Threads_lock
863 if (Threads_lock->try_lock()) {
864 { // Threads_lock scope
865 maxthreads = Threads::number_of_threads();
866 threadsList = NEW_C_HEAP_ARRAY(JavaThread *, maxthreads, mtInternal);
867 suspendedthreadcount = 0;
868 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
869 if (tp->is_Compiler_thread()) {
870 // Only record ticks for active compiler threads
871 CompilerThread* cthread = (CompilerThread*)tp;
872 if (cthread->task() != NULL) {
873 // The compiler is active. If we need to access any of the fields
874 // of the compiler task we should suspend the CompilerThread first.
875 FlatProfiler::compiler_ticks += 1;
876 continue;
877 }
878 }
879
880 // First externally suspend all threads by marking each for
881 // external suspension - so it will stop at its next transition
882 // Then do a safepoint
883 ThreadProfiler* pp = tp->get_thread_profiler();
884 if (pp != NULL && pp->engaged) {
885 MutexLockerEx ml(tp->SR_lock(), Mutex::_no_safepoint_check_flag);
886 if (!tp->is_external_suspend() && !tp->is_exiting()) {
887 tp->set_external_suspend();
888 threadsList[suspendedthreadcount++] = tp;
889 }
890 }
891 }
892 Threads_lock->unlock();
893 }
894 // Suspend each thread. This call should just return
895 // for any threads that have already self-suspended
896 // Net result should be one safepoint
897 for (int j = 0; j < suspendedthreadcount; j++) {
898 JavaThread *tp = threadsList[j];
899 if (tp) {
900 tp->java_suspend();
901 }
902 }
903
904 // We are responsible for resuming any thread on this list
905 for (int i = 0; i < suspendedthreadcount; i++) {
906 JavaThread *tp = threadsList[i];
907 if (tp) {
908 ThreadProfiler* pp = tp->get_thread_profiler();
909 if (pp != NULL && pp->engaged) {
910 HandleMark hm;
911 FlatProfiler::delivered_ticks += 1;
912 if (interval_expired) {
913 FlatProfiler::interval_record_thread(pp);
914 }
915 // This is the place where we check to see if a user thread is
916 // blocked waiting for compilation.
917 if (tp->blocked_on_compilation()) {
918 pp->compiler_ticks += 1;
919 pp->interval_data_ref()->inc_compiling();
920 } else {
921 pp->record_tick(tp);
922 }
923 }
924 MutexLocker ml(Threads_lock);
925 tp->java_resume();
926 }
927 }
928 if (interval_expired) {
929 FlatProfiler::interval_print();
930 FlatProfiler::interval_reset();
931 }
932
933 FREE_C_HEAP_ARRAY(JavaThread *, threadsList, mtInternal);
934 } else {
935 // Couldn't get the threads lock, just record that rather than blocking
936 FlatProfiler::threads_lock_ticks += 1;
937 }
938
939 }
940
941 void FlatProfilerTask::task() {
942 FlatProfiler::received_ticks += 1;
943
944 if (ProfileVM) {
945 FlatProfiler::record_vm_tick();
946 }
947
948 VM_Operation* op = VMThread::vm_operation();
949 if (op != NULL) {
950 FlatProfiler::record_vm_operation();
951 if (SafepointSynchronize::is_at_safepoint()) {
952 return;
953 }
954 }
955 FlatProfiler::record_thread_ticks();
956 }
957
958 void ThreadProfiler::record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks) {
959 FlatProfiler::all_int_ticks++;
960 if (!FlatProfiler::full_profile()) {
961 return;
962 }
963
964 if (!fr.is_interpreted_frame_valid(thread)) {
965 // tick came at a bad time
966 interpreter_ticks += 1;
967 FlatProfiler::interpreter_ticks += 1;
968 return;
969 }
970
971 // The frame has been fully validated so we can trust the method and bci
972
973 Method* method = *fr.interpreter_frame_method_addr();
974
975 interpreted_update(method, where);
976
977 // update byte code table
978 InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc());
979 if (desc != NULL && desc->bytecode() >= 0) {
980 ticks[desc->bytecode()]++;
981 }
982 }
983
984 void ThreadProfiler::record_compiled_tick(JavaThread* thread, frame fr, TickPosition where) {
985 const char *name = NULL;
986 TickPosition localwhere = where;
987
988 FlatProfiler::all_comp_ticks++;
989 if (!FlatProfiler::full_profile()) return;
990
991 CodeBlob* cb = fr.cb();
992
993 // For runtime stubs, record as native rather than as compiled
994 if (cb->is_runtime_stub()) {
995 RegisterMap map(thread, false);
996 fr = fr.sender(&map);
997 cb = fr.cb();
998 localwhere = tp_native;
999 }
1000 Method* method = (cb->is_nmethod()) ? ((nmethod *)cb)->method() :
1001 (Method*)NULL;
1002
1003 if (method == NULL) {
1004 if (cb->is_runtime_stub())
1005 runtime_stub_update(cb, name, localwhere);
1006 else
1007 unknown_compiled_update(cb, localwhere);
1008 }
1009 else {
1010 if (method->is_native()) {
1011 stub_update(method, name, localwhere);
1012 } else {
1013 compiled_update(method, localwhere);
1014 }
1015 }
1016 }
1017
1018 extern "C" void find(int x);
1019
1020
1021 void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) {
1022 // The tick happened in real code -> non VM code
1023 if (fr.is_interpreted_frame()) {
1024 interval_data_ref()->inc_interpreted();
1025 record_interpreted_tick(thread, fr, tp_code, FlatProfiler::bytecode_ticks);
1026 return;
1027 }
1028
1029 if (CodeCache::contains(fr.pc())) {
1030 interval_data_ref()->inc_compiled();
1031 PCRecorder::record(fr.pc());
1032 record_compiled_tick(thread, fr, tp_code);
1033 return;
1034 }
1035
1036 if (VtableStubs::stub_containing(fr.pc()) != NULL) {
1037 unknown_ticks_array[ut_vtable_stubs] += 1;
1038 return;
1039 }
1040
1041 frame caller = fr.profile_find_Java_sender_frame(thread);
1042
1043 if (caller.sp() != NULL && caller.pc() != NULL) {
1044 record_tick_for_calling_frame(thread, caller);
1045 return;
1046 }
1047
1048 unknown_ticks_array[ut_running_frame] += 1;
1049 FlatProfiler::unknown_ticks += 1;
1050 }
1051
1052 void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) {
1053 // The tick happened in VM code
1054 interval_data_ref()->inc_native();
1055 if (fr.is_interpreted_frame()) {
1056 record_interpreted_tick(thread, fr, tp_native, FlatProfiler::bytecode_ticks_stub);
1057 return;
1058 }
1059 if (CodeCache::contains(fr.pc())) {
1060 record_compiled_tick(thread, fr, tp_native);
1061 return;
1062 }
1063
1064 frame caller = fr.profile_find_Java_sender_frame(thread);
1065
1066 if (caller.sp() != NULL && caller.pc() != NULL) {
1067 record_tick_for_calling_frame(thread, caller);
1068 return;
1069 }
1070
1071 unknown_ticks_array[ut_calling_frame] += 1;
1072 FlatProfiler::unknown_ticks += 1;
1073 }
1074
1075 void ThreadProfiler::record_tick(JavaThread* thread) {
1076 FlatProfiler::all_ticks++;
1077 thread_ticks += 1;
1078
1079 // Here's another way to track global state changes.
1080 // When the class loader starts it marks the ThreadProfiler to tell it it is in the class loader
1081 // and we check that here.
1082 // This is more direct, and more than one thread can be in the class loader at a time,
1083 // but it does mean the class loader has to know about the profiler.
1084 if (region_flag[ThreadProfilerMark::classLoaderRegion]) {
1085 class_loader_ticks += 1;
1086 FlatProfiler::class_loader_ticks += 1;
1087 return;
1088 } else if (region_flag[ThreadProfilerMark::extraRegion]) {
1089 extra_ticks += 1;
1090 FlatProfiler::extra_ticks += 1;
1091 return;
1092 }
1093 // Note that the WatcherThread can now stop for safepoints
1094 uint32_t debug_bits = 0;
1095 if (!thread->wait_for_ext_suspend_completion(SuspendRetryCount,
1096 SuspendRetryDelay, &debug_bits)) {
1097 unknown_ticks_array[ut_unknown_thread_state] += 1;
1098 FlatProfiler::unknown_ticks += 1;
1099 return;
1100 }
1101
1102 frame fr;
1103
1104 switch (thread->thread_state()) {
1105 case _thread_in_native:
1106 case _thread_in_native_trans:
1107 case _thread_in_vm:
1108 case _thread_in_vm_trans:
1109 if (thread->profile_last_Java_frame(&fr)) {
1110 if (fr.is_runtime_frame()) {
1111 RegisterMap map(thread, false);
1112 fr = fr.sender(&map);
1113 }
1114 record_tick_for_calling_frame(thread, fr);
1115 } else {
1116 unknown_ticks_array[ut_no_last_Java_frame] += 1;
1117 FlatProfiler::unknown_ticks += 1;
1118 }
1119 break;
1120 // handle_special_runtime_exit_condition self-suspends threads in Java
1121 case _thread_in_Java:
1122 case _thread_in_Java_trans:
1123 if (thread->profile_last_Java_frame(&fr)) {
1124 if (fr.is_safepoint_blob_frame()) {
1125 RegisterMap map(thread, false);
1126 fr = fr.sender(&map);
1127 }
1128 record_tick_for_running_frame(thread, fr);
1129 } else {
1130 unknown_ticks_array[ut_no_last_Java_frame] += 1;
1131 FlatProfiler::unknown_ticks += 1;
1132 }
1133 break;
1134 case _thread_blocked:
1135 case _thread_blocked_trans:
1136 if (thread->osthread() && thread->osthread()->get_state() == RUNNABLE) {
1137 if (thread->profile_last_Java_frame(&fr)) {
1138 if (fr.is_safepoint_blob_frame()) {
1139 RegisterMap map(thread, false);
1140 fr = fr.sender(&map);
1141 record_tick_for_running_frame(thread, fr);
1142 } else {
1143 record_tick_for_calling_frame(thread, fr);
1144 }
1145 } else {
1146 unknown_ticks_array[ut_no_last_Java_frame] += 1;
1147 FlatProfiler::unknown_ticks += 1;
1148 }
1149 } else {
1150 blocked_ticks += 1;
1151 FlatProfiler::blocked_ticks += 1;
1152 }
1153 break;
1154 case _thread_uninitialized:
1155 case _thread_new:
1156 // not used, included for completeness
1157 case _thread_new_trans:
1158 unknown_ticks_array[ut_no_last_Java_frame] += 1;
1159 FlatProfiler::unknown_ticks += 1;
1160 break;
1161 default:
1162 unknown_ticks_array[ut_unknown_thread_state] += 1;
1163 FlatProfiler::unknown_ticks += 1;
1164 break;
1165 }
1166 return;
1167 }
1168
1169 void ThreadProfiler::engage() {
1170 engaged = true;
1171 timer.start();
1172 }
1173
1174 void ThreadProfiler::disengage() {
1175 engaged = false;
1176 timer.stop();
1177 }
1178
1179 void ThreadProfiler::initialize() {
1180 for (int index = 0; index < table_size; index++) {
1181 table[index] = NULL;
1182 }
1183 thread_ticks = 0;
1184 blocked_ticks = 0;
1185 compiler_ticks = 0;
1186 interpreter_ticks = 0;
1187 for (int ut = 0; ut < ut_end; ut += 1) {
1188 unknown_ticks_array[ut] = 0;
1189 }
1190 region_flag[ThreadProfilerMark::classLoaderRegion] = false;
1191 class_loader_ticks = 0;
1192 region_flag[ThreadProfilerMark::extraRegion] = false;
1193 extra_ticks = 0;
1194 timer.start();
1195 interval_data_ref()->reset();
1196 }
1197
1198 void ThreadProfiler::reset() {
1199 timer.stop();
1200 if (table != NULL) {
1201 for (int index = 0; index < table_size; index++) {
1202 ProfilerNode* n = table[index];
1203 if (n != NULL) {
1204 delete n;
1205 }
1206 }
1207 }
1208 initialize();
1209 }
1210
1211 void FlatProfiler::allocate_table() {
1212 { // Bytecode table
1213 bytecode_ticks = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal);
1214 bytecode_ticks_stub = NEW_C_HEAP_ARRAY(int, Bytecodes::number_of_codes, mtInternal);
1215 for(int index = 0; index < Bytecodes::number_of_codes; index++) {
1216 bytecode_ticks[index] = 0;
1217 bytecode_ticks_stub[index] = 0;
1218 }
1219 }
1220
1221 if (ProfilerRecordPC) PCRecorder::init();
1222
1223 interval_data = NEW_C_HEAP_ARRAY(IntervalData, interval_print_size, mtInternal);
1224 FlatProfiler::interval_reset();
1225 }
1226
1227 void FlatProfiler::engage(JavaThread* mainThread, bool fullProfile) {
1228 full_profile_flag = fullProfile;
1229 if (bytecode_ticks == NULL) {
1230 allocate_table();
1231 }
1232 if(ProfileVM && (vm_thread_profiler == NULL)){
1233 vm_thread_profiler = new ThreadProfiler();
1234 }
1235 if (task == NULL) {
1236 task = new FlatProfilerTask(WatcherThread::delay_interval);
1237 task->enroll();
1238 }
1239 timer.start();
1240 if (mainThread != NULL) {
1241 // When mainThread was created, it might not have a ThreadProfiler
1242 ThreadProfiler* pp = mainThread->get_thread_profiler();
1243 if (pp == NULL) {
1244 mainThread->set_thread_profiler(new ThreadProfiler());
1245 } else {
1246 pp->reset();
1247 }
1248 mainThread->get_thread_profiler()->engage();
1249 }
1250 // This is where we would assign thread_profiler
1251 // if we wanted only one thread_profiler for all threads.
1252 thread_profiler = NULL;
1253 }
1254
1255 void FlatProfiler::disengage() {
1256 if (!task) {
1257 return;
1258 }
1259 timer.stop();
1260 task->disenroll();
1261 delete task;
1262 task = NULL;
1263 if (thread_profiler != NULL) {
1264 thread_profiler->disengage();
1265 } else {
1266 MutexLocker tl(Threads_lock);
1267 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
1268 ThreadProfiler* pp = tp->get_thread_profiler();
1269 if (pp != NULL) {
1270 pp->disengage();
1271 }
1272 }
1273 }
1274 }
1275
1276 void FlatProfiler::reset() {
1277 if (task) {
1278 disengage();
1279 }
1280
1281 class_loader_ticks = 0;
1282 extra_ticks = 0;
1283 received_gc_ticks = 0;
1284 vm_operation_ticks = 0;
1285 compiler_ticks = 0;
1286 deopt_ticks = 0;
1287 interpreter_ticks = 0;
1288 blocked_ticks = 0;
1289 unknown_ticks = 0;
1290 received_ticks = 0;
1291 delivered_ticks = 0;
1292 timer.stop();
1293 }
1294
1295 bool FlatProfiler::is_active() {
1296 return task != NULL;
1297 }
1298
1299 void FlatProfiler::print_byte_code_statistics() {
1300 GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200);
1301
1302 tty->print_cr(" Bytecode ticks:");
1303 for (int index = 0; index < Bytecodes::number_of_codes; index++) {
1304 if (FlatProfiler::bytecode_ticks[index] > 0 || FlatProfiler::bytecode_ticks_stub[index] > 0) {
1305 tty->print_cr(" %4d %4d = %s",
1306 FlatProfiler::bytecode_ticks[index],
1307 FlatProfiler::bytecode_ticks_stub[index],
1308 Bytecodes::name( (Bytecodes::Code) index));
1309 }
1310 }
1311 tty->cr();
1312 }
1313
1314 void print_ticks(const char* title, int ticks, int total) {
1315 if (ticks > 0) {
1316 tty->print("%5.1f%% %5d", ticks * 100.0 / total, ticks);
1317 tty->fill_to(col3);
1318 tty->print("%s", title);
1319 tty->cr();
1320 }
1321 }
1322
1323 void ThreadProfiler::print(const char* thread_name) {
1324 ResourceMark rm;
1325 MutexLocker ppl(ProfilePrint_lock);
1326 int index = 0; // Declared outside for loops for portability
1327
1328 if (table == NULL) {
1329 return;
1330 }
1331
1332 if (thread_ticks <= 0) {
1333 return;
1334 }
1335
1336 const char* title = "too soon to tell";
1337 double secs = timer.seconds();
1338
1339 GrowableArray <ProfilerNode*>* array = new GrowableArray<ProfilerNode*>(200);
1340 for(index = 0; index < table_size; index++) {
1341 for(ProfilerNode* node = table[index]; node; node = node->next())
1342 array->append(node);
1343 }
1344
1345 array->sort(&ProfilerNode::compare);
1346
1347 // compute total (sanity check)
1348 int active =
1349 class_loader_ticks +
1350 compiler_ticks +
1351 interpreter_ticks +
1352 unknown_ticks();
1353 for (index = 0; index < array->length(); index++) {
1354 active += array->at(index)->ticks.total();
1355 }
1356 int total = active + blocked_ticks;
1357
1358 tty->cr();
1359 tty->print_cr("Flat profile of %3.2f secs (%d total ticks): %s", secs, total, thread_name);
1360 if (total != thread_ticks) {
1361 print_ticks("Lost ticks", thread_ticks-total, thread_ticks);
1362 }
1363 tty->cr();
1364
1365 // print interpreted methods
1366 tick_counter interpreted_ticks;
1367 bool has_interpreted_ticks = false;
1368 int print_count = 0;
1369 for (index = 0; index < array->length(); index++) {
1370 ProfilerNode* n = array->at(index);
1371 if (n->is_interpreted()) {
1372 interpreted_ticks.add(&n->ticks);
1373 if (!has_interpreted_ticks) {
1374 interpretedNode::print_title(tty);
1375 has_interpreted_ticks = true;
1376 }
1377 if (print_count++ < ProfilerNumberOfInterpretedMethods) {
1378 n->print(tty, active);
1379 }
1380 }
1381 }
1382 if (has_interpreted_ticks) {
1383 if (print_count <= ProfilerNumberOfInterpretedMethods) {
1384 title = "Total interpreted";
1385 } else {
1386 title = "Total interpreted (including elided)";
1387 }
1388 interpretedNode::print_total(tty, &interpreted_ticks, active, title);
1389 tty->cr();
1390 }
1391
1392 // print compiled methods
1393 tick_counter compiled_ticks;
1394 bool has_compiled_ticks = false;
1395 print_count = 0;
1396 for (index = 0; index < array->length(); index++) {
1397 ProfilerNode* n = array->at(index);
1398 if (n->is_compiled()) {
1399 compiled_ticks.add(&n->ticks);
1400 if (!has_compiled_ticks) {
1401 compiledNode::print_title(tty);
1402 has_compiled_ticks = true;
1403 }
1404 if (print_count++ < ProfilerNumberOfCompiledMethods) {
1405 n->print(tty, active);
1406 }
1407 }
1408 }
1409 if (has_compiled_ticks) {
1410 if (print_count <= ProfilerNumberOfCompiledMethods) {
1411 title = "Total compiled";
1412 } else {
1413 title = "Total compiled (including elided)";
1414 }
1415 compiledNode::print_total(tty, &compiled_ticks, active, title);
1416 tty->cr();
1417 }
1418
1419 // print stub methods
1420 tick_counter stub_ticks;
1421 bool has_stub_ticks = false;
1422 print_count = 0;
1423 for (index = 0; index < array->length(); index++) {
1424 ProfilerNode* n = array->at(index);
1425 if (n->is_stub()) {
1426 stub_ticks.add(&n->ticks);
1427 if (!has_stub_ticks) {
1428 stubNode::print_title(tty);
1429 has_stub_ticks = true;
1430 }
1431 if (print_count++ < ProfilerNumberOfStubMethods) {
1432 n->print(tty, active);
1433 }
1434 }
1435 }
1436 if (has_stub_ticks) {
1437 if (print_count <= ProfilerNumberOfStubMethods) {
1438 title = "Total stub";
1439 } else {
1440 title = "Total stub (including elided)";
1441 }
1442 stubNode::print_total(tty, &stub_ticks, active, title);
1443 tty->cr();
1444 }
1445
1446 // print runtime stubs
1447 tick_counter runtime_stub_ticks;
1448 bool has_runtime_stub_ticks = false;
1449 print_count = 0;
1450 for (index = 0; index < array->length(); index++) {
1451 ProfilerNode* n = array->at(index);
1452 if (n->is_runtime_stub()) {
1453 runtime_stub_ticks.add(&n->ticks);
1454 if (!has_runtime_stub_ticks) {
1455 runtimeStubNode::print_title(tty);
1456 has_runtime_stub_ticks = true;
1457 }
1458 if (print_count++ < ProfilerNumberOfRuntimeStubNodes) {
1459 n->print(tty, active);
1460 }
1461 }
1462 }
1463 if (has_runtime_stub_ticks) {
1464 if (print_count <= ProfilerNumberOfRuntimeStubNodes) {
1465 title = "Total runtime stubs";
1466 } else {
1467 title = "Total runtime stubs (including elided)";
1468 }
1469 runtimeStubNode::print_total(tty, &runtime_stub_ticks, active, title);
1470 tty->cr();
1471 }
1472
1473 if (blocked_ticks + class_loader_ticks + interpreter_ticks + compiler_ticks + unknown_ticks() != 0) {
1474 tty->fill_to(col1);
1475 tty->print_cr("Thread-local ticks:");
1476 print_ticks("Blocked (of total)", blocked_ticks, total);
1477 print_ticks("Class loader", class_loader_ticks, active);
1478 print_ticks("Extra", extra_ticks, active);
1479 print_ticks("Interpreter", interpreter_ticks, active);
1480 print_ticks("Compilation", compiler_ticks, active);
1481 print_ticks("Unknown: vtable stubs", unknown_ticks_array[ut_vtable_stubs], active);
1482 print_ticks("Unknown: null method", unknown_ticks_array[ut_null_method], active);
1483 print_ticks("Unknown: running frame", unknown_ticks_array[ut_running_frame], active);
1484 print_ticks("Unknown: calling frame", unknown_ticks_array[ut_calling_frame], active);
1485 print_ticks("Unknown: no pc", unknown_ticks_array[ut_no_pc], active);
1486 print_ticks("Unknown: no last frame", unknown_ticks_array[ut_no_last_Java_frame], active);
1487 print_ticks("Unknown: thread_state", unknown_ticks_array[ut_unknown_thread_state], active);
1488 tty->cr();
1489 }
1490
1491 if (WizardMode) {
1492 tty->print_cr("Node area used: %dKb", (area_top - area_bottom) / 1024);
1493 }
1494 reset();
1495 }
1496
1497 /*
1498 ThreadProfiler::print_unknown(){
1499 if (table == NULL) {
1500 return;
1501 }
1502
1503 if (thread_ticks <= 0) {
1504 return;
1505 }
1506 } */
1507
1508 void FlatProfiler::print(int unused) {
1509 ResourceMark rm;
1510 if (thread_profiler != NULL) {
1511 thread_profiler->print("All threads");
1512 } else {
1513 MutexLocker tl(Threads_lock);
1514 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
1515 ThreadProfiler* pp = tp->get_thread_profiler();
1516 if (pp != NULL) {
1517 pp->print(tp->get_thread_name());
1518 }
1519 }
1520 }
1521
1522 if (ProfilerPrintByteCodeStatistics) {
1523 print_byte_code_statistics();
1524 }
1525
1526 if (non_method_ticks() > 0) {
1527 tty->cr();
1528 tty->print_cr("Global summary of %3.2f seconds:", timer.seconds());
1529 print_ticks("Received ticks", received_ticks, received_ticks);
1530 print_ticks("Received GC ticks", received_gc_ticks, received_ticks);
1531 print_ticks("Compilation", compiler_ticks, received_ticks);
1532 print_ticks("Deoptimization", deopt_ticks, received_ticks);
1533 print_ticks("Other VM operations", vm_operation_ticks, received_ticks);
1534 #ifndef PRODUCT
1535 print_ticks("Blocked ticks", blocked_ticks, received_ticks);
1536 print_ticks("Threads_lock blocks", threads_lock_ticks, received_ticks);
1537 print_ticks("Delivered ticks", delivered_ticks, received_ticks);
1538 print_ticks("All ticks", all_ticks, received_ticks);
1539 #endif
1540 print_ticks("Class loader", class_loader_ticks, received_ticks);
1541 print_ticks("Extra ", extra_ticks, received_ticks);
1542 print_ticks("Interpreter", interpreter_ticks, received_ticks);
1543 print_ticks("Unknown code", unknown_ticks, received_ticks);
1544 }
1545
1546 PCRecorder::print();
1547
1548 if(ProfileVM){
1549 tty->cr();
1550 vm_thread_profiler->print("VM Thread");
1551 }
1552 }
1553
1554 void IntervalData::print_header(outputStream* st) {
1555 st->print("i/c/n/g");
1556 }
1557
1558 void IntervalData::print_data(outputStream* st) {
1559 st->print("%d/%d/%d/%d", interpreted(), compiled(), native(), compiling());
1560 }
1561
1562 void FlatProfiler::interval_record_thread(ThreadProfiler* tp) {
1563 IntervalData id = tp->interval_data();
1564 int total = id.total();
1565 tp->interval_data_ref()->reset();
1566
1567 // Insertion sort the data, if it's relevant.
1568 for (int i = 0; i < interval_print_size; i += 1) {
1569 if (total > interval_data[i].total()) {
1570 for (int j = interval_print_size - 1; j > i; j -= 1) {
1571 interval_data[j] = interval_data[j-1];
1572 }
1573 interval_data[i] = id;
1574 break;
1575 }
1576 }
1577 }
1578
1579 void FlatProfiler::interval_print() {
1580 if ((interval_data[0].total() > 0)) {
1581 tty->stamp();
1582 tty->print("\t");
1583 IntervalData::print_header(tty);
1584 for (int i = 0; i < interval_print_size; i += 1) {
1585 if (interval_data[i].total() > 0) {
1586 tty->print("\t");
1587 interval_data[i].print_data(tty);
1588 }
1589 }
1590 tty->cr();
1591 }
1592 }
1593
1594 void FlatProfiler::interval_reset() {
1595 for (int i = 0; i < interval_print_size; i += 1) {
1596 interval_data[i].reset();
1597 }
1598 }
1599
1600 void ThreadProfiler::oops_do(OopClosure* f) {
1601 if (table == NULL) return;
1602
1603 for(int index = 0; index < table_size; index++) {
1604 for(ProfilerNode* node = table[index]; node; node = node->next())
1605 node->oops_do(f);
1606 }
1607 }
1608
1609 void FlatProfiler::oops_do(OopClosure* f) {
1610 if (thread_profiler != NULL) {
1611 thread_profiler->oops_do(f);
1612 } else {
1613 for (JavaThread* tp = Threads::first(); tp != NULL; tp = tp->next()) {
1614 ThreadProfiler* pp = tp->get_thread_profiler();
1615 if (pp != NULL) {
1616 pp->oops_do(f);
1617 }
1618 }
1619 }
1620 }