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8005849: JEP 167: Event-Based JVM Tracing

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Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
This commit is contained in:
Staffan Larsen 2013-06-10 11:30:51 +02:00
parent 6b2c468c35
commit 718f3252f6
195 changed files with 7628 additions and 1484 deletions
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28
hotspot/src/share/vm/memory/genMarkSweep.cpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -29,6 +29,10 @@
#include "classfile/vmSymbols.hpp"
#include "code/codeCache.hpp"
#include "code/icBuffer.hpp"
#include "gc_implementation/shared/gcHeapSummary.hpp"
#include "gc_implementation/shared/gcTimer.hpp"
#include "gc_implementation/shared/gcTrace.hpp"
#include "gc_implementation/shared/gcTraceTime.hpp"
#include "gc_interface/collectedHeap.inline.hpp"
#include "memory/genCollectedHeap.hpp"
#include "memory/genMarkSweep.hpp"
@ -65,7 +69,9 @@ void GenMarkSweep::invoke_at_safepoint(int level, ReferenceProcessor* rp,
_ref_processor = rp;
rp->setup_policy(clear_all_softrefs);
TraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty);
GCTraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL);
gch->trace_heap_before_gc(_gc_tracer);
// When collecting the permanent generation Method*s may be moving,
// so we either have to flush all bcp data or convert it into bci.
@ -155,6 +161,8 @@ void GenMarkSweep::invoke_at_safepoint(int level, ReferenceProcessor* rp,
// does not guarantee monotonicity.
jlong now = os::javaTimeNanos() / NANOSECS_PER_MILLISEC;
gch->update_time_of_last_gc(now);
gch->trace_heap_after_gc(_gc_tracer);
}
void GenMarkSweep::allocate_stacks() {
@ -192,7 +200,7 @@ void GenMarkSweep::deallocate_stacks() {
void GenMarkSweep::mark_sweep_phase1(int level,
bool clear_all_softrefs) {
// Recursively traverse all live objects and mark them
TraceTime tm("phase 1", PrintGC && Verbose, true, gclog_or_tty);
GCTraceTime tm("phase 1", PrintGC && Verbose, true, _gc_timer);
trace(" 1");
GenCollectedHeap* gch = GenCollectedHeap::heap();
@ -219,8 +227,10 @@ void GenMarkSweep::mark_sweep_phase1(int level,
// Process reference objects found during marking
{
ref_processor()->setup_policy(clear_all_softrefs);
ref_processor()->process_discovered_references(
&is_alive, &keep_alive, &follow_stack_closure, NULL);
const ReferenceProcessorStats& stats =
ref_processor()->process_discovered_references(
&is_alive, &keep_alive, &follow_stack_closure, NULL, _gc_timer);
gc_tracer()->report_gc_reference_stats(stats);
}
// This is the point where the entire marking should have completed.
@ -240,6 +250,8 @@ void GenMarkSweep::mark_sweep_phase1(int level,
// Clean up unreferenced symbols in symbol table.
SymbolTable::unlink();
gc_tracer()->report_object_count_after_gc(&is_alive);
}
@ -259,7 +271,7 @@ void GenMarkSweep::mark_sweep_phase2() {
GenCollectedHeap* gch = GenCollectedHeap::heap();
TraceTime tm("phase 2", PrintGC && Verbose, true, gclog_or_tty);
GCTraceTime tm("phase 2", PrintGC && Verbose, true, _gc_timer);
trace("2");
gch->prepare_for_compaction();
@ -276,7 +288,7 @@ void GenMarkSweep::mark_sweep_phase3(int level) {
GenCollectedHeap* gch = GenCollectedHeap::heap();
// Adjust the pointers to reflect the new locations
TraceTime tm("phase 3", PrintGC && Verbose, true, gclog_or_tty);
GCTraceTime tm("phase 3", PrintGC && Verbose, true, _gc_timer);
trace("3");
// Need new claim bits for the pointer adjustment tracing.
@ -331,7 +343,7 @@ void GenMarkSweep::mark_sweep_phase4() {
// to use a higher index (saved from phase2) when verifying perm_gen.
GenCollectedHeap* gch = GenCollectedHeap::heap();
TraceTime tm("phase 4", PrintGC && Verbose, true, gclog_or_tty);
GCTraceTime tm("phase 4", PrintGC && Verbose, true, _gc_timer);
trace("4");
GenCompactClosure blk;