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comparison src/share/vm/memory/genCollectedHeap.cpp @ 10405:f2110083203d

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8005849: JEP 167: Event-Based JVM Tracing Reviewed-by: acorn, coleenp, sla Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author sla
date Mon, 10 Jun 2013 11:30:51 +0200
parents b06ac540229e
children 71180a6e5080
comparison
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10404:d0add7016434 10405:f2110083203d
1 /* 1 /*
2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
26 #include "classfile/symbolTable.hpp" 26 #include "classfile/symbolTable.hpp"
27 #include "classfile/systemDictionary.hpp" 27 #include "classfile/systemDictionary.hpp"
28 #include "classfile/vmSymbols.hpp" 28 #include "classfile/vmSymbols.hpp"
29 #include "code/icBuffer.hpp" 29 #include "code/icBuffer.hpp"
30 #include "gc_implementation/shared/collectorCounters.hpp" 30 #include "gc_implementation/shared/collectorCounters.hpp"
31 #include "gc_implementation/shared/gcTraceTime.hpp"
31 #include "gc_implementation/shared/vmGCOperations.hpp" 32 #include "gc_implementation/shared/vmGCOperations.hpp"
32 #include "gc_interface/collectedHeap.inline.hpp" 33 #include "gc_interface/collectedHeap.inline.hpp"
33 #include "memory/filemap.hpp" 34 #include "memory/filemap.hpp"
34 #include "memory/gcLocker.inline.hpp" 35 #include "memory/gcLocker.inline.hpp"
35 #include "memory/genCollectedHeap.hpp" 36 #include "memory/genCollectedHeap.hpp"
386 387
387 bool complete = full && (max_level == (n_gens()-1)); 388 bool complete = full && (max_level == (n_gens()-1));
388 const char* gc_cause_prefix = complete ? "Full GC" : "GC"; 389 const char* gc_cause_prefix = complete ? "Full GC" : "GC";
389 gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); 390 gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
390 TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); 391 TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
391 TraceTime t(GCCauseString(gc_cause_prefix, gc_cause()), PrintGCDetails, false, gclog_or_tty); 392 GCTraceTime t(GCCauseString(gc_cause_prefix, gc_cause()), PrintGCDetails, false, NULL);
392 393
393 gc_prologue(complete); 394 gc_prologue(complete);
394 increment_total_collections(complete); 395 increment_total_collections(complete);
395 396
396 size_t gch_prev_used = used(); 397 size_t gch_prev_used = used();
415 if (i == n_gens() - 1) { // a major collection is to happen 416 if (i == n_gens() - 1) { // a major collection is to happen
416 if (!complete) { 417 if (!complete) {
417 // The full_collections increment was missed above. 418 // The full_collections increment was missed above.
418 increment_total_full_collections(); 419 increment_total_full_collections();
419 } 420 }
420 pre_full_gc_dump(); // do any pre full gc dumps 421 pre_full_gc_dump(NULL); // do any pre full gc dumps
421 } 422 }
422 // Timer for individual generations. Last argument is false: no CR 423 // Timer for individual generations. Last argument is false: no CR
423 TraceTime t1(_gens[i]->short_name(), PrintGCDetails, false, gclog_or_tty); 424 // FIXME: We should try to start the timing earlier to cover more of the GC pause
425 GCTraceTime t1(_gens[i]->short_name(), PrintGCDetails, false, NULL);
424 TraceCollectorStats tcs(_gens[i]->counters()); 426 TraceCollectorStats tcs(_gens[i]->counters());
425 TraceMemoryManagerStats tmms(_gens[i]->kind(),gc_cause()); 427 TraceMemoryManagerStats tmms(_gens[i]->kind(),gc_cause());
426 428
427 size_t prev_used = _gens[i]->used(); 429 size_t prev_used = _gens[i]->used();
428 _gens[i]->stat_record()->invocations++; 430 _gens[i]->stat_record()->invocations++;
532 // for instance, a promotion failure could have led to 534 // for instance, a promotion failure could have led to
533 // a whole heap collection. 535 // a whole heap collection.
534 complete = complete || (max_level_collected == n_gens() - 1); 536 complete = complete || (max_level_collected == n_gens() - 1);
535 537
536 if (complete) { // We did a "major" collection 538 if (complete) { // We did a "major" collection
537 post_full_gc_dump(); // do any post full gc dumps 539 // FIXME: See comment at pre_full_gc_dump call
540 post_full_gc_dump(NULL); // do any post full gc dumps
538 } 541 }
539 542
540 if (PrintGCDetails) { 543 if (PrintGCDetails) {
541 print_heap_change(gch_prev_used); 544 print_heap_change(gch_prev_used);
542 545