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VerboseHandlerOutputStandard.cpp
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VerboseHandlerOutputStandard.cpp
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/*******************************************************************************
* Copyright (c) 1991, 2019 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at https://www.eclipse.org/legal/epl-2.0/
* or the Apache License, Version 2.0 which accompanies this distribution and
* is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following
* Secondary Licenses when the conditions for such availability set
* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
* General Public License, version 2 with the GNU Classpath
* Exception [1] and GNU General Public License, version 2 with the
* OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#include "omrcfg.h"
#include "omrgcconsts.h"
#include "gcutils.h"
#include "ConcurrentGCStats.hpp"
#include "ConcurrentMarkPhaseStats.hpp"
#include "CycleState.hpp"
#include "EnvironmentBase.hpp"
#include "GCExtensionsBase.hpp"
#include "VerboseHandlerOutputStandard.hpp"
#include "VerboseManager.hpp"
#include "VerboseWriterChain.hpp"
#include "VerboseBuffer.hpp"
static void verboseHandlerGCStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerGCEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerCycleStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerCycleEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerExclusiveStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerExclusiveEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerSystemGCStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerSystemGCEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerAllocationFailureStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerFailedAllocationCompleted(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerAllocationFailureEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerAcquiredExclusiveToSatisfyAllocation(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerMarkEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerSweepEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerExcessiveGCRaised(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
#if defined(OMR_GC_MODRON_COMPACTION)
static void verboseHandlerCompactStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerCompactEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
#endif /* defined(OMR_GC_MODRON_COMPACTION) */
#if defined(OMR_GC_MODRON_SCAVENGER)
static void verboseHandlerScavengeEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerScavengePercolate(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentStart(J9HookInterface** hook, UDATA eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentEnd(J9HookInterface** hook, UDATA eventNum, void* eventData, void* userData);
#endif /* defined(OMR_GC_MODRON_SCAVENGER) */
#if defined(OMR_GC_MODRON_CONCURRENT_MARK)
static void verboseHandlerConcurrentRememberedSetScanEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentCardCleaningEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentTracingEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentKickoff(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentHalted(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentCollectionStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
static void verboseHandlerConcurrentAborted(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData);
#endif /* defined(OMR_GC_MODRON_CONCURRENT_MARK) */
MM_VerboseHandlerOutput *
MM_VerboseHandlerOutputStandard::newInstance(MM_EnvironmentBase *env, MM_VerboseManager *manager)
{
MM_GCExtensionsBase* extensions = MM_GCExtensionsBase::getExtensions(env->getOmrVM());
MM_VerboseHandlerOutputStandard *verboseHandlerOutput = (MM_VerboseHandlerOutputStandard *)extensions->getForge()->allocate(sizeof(MM_VerboseHandlerOutputStandard), OMR::GC::AllocationCategory::FIXED, OMR_GET_CALLSITE());
if (NULL != verboseHandlerOutput) {
new(verboseHandlerOutput) MM_VerboseHandlerOutputStandard(extensions);
if(!verboseHandlerOutput->initialize(env, manager)) {
verboseHandlerOutput->kill(env);
verboseHandlerOutput = NULL;
}
}
return verboseHandlerOutput;
}
bool
MM_VerboseHandlerOutputStandard::initialize(MM_EnvironmentBase *env, MM_VerboseManager *manager)
{
bool initSuccess = MM_VerboseHandlerOutput::initialize(env, manager);
return initSuccess;
}
void
MM_VerboseHandlerOutputStandard::tearDown(MM_EnvironmentBase *env)
{
MM_VerboseHandlerOutput::tearDown(env);
}
void
MM_VerboseHandlerOutputStandard::enableVerbose()
{
MM_VerboseHandlerOutput::enableVerbose();
/* GCLaunch */
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SYSTEM_GC_START, verboseHandlerSystemGCStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SYSTEM_GC_END, verboseHandlerSystemGCEnd, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_ALLOCATION_FAILURE_START, verboseHandlerAllocationFailureStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_FAILED_ALLOCATION_COMPLETED, verboseHandlerFailedAllocationCompleted, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_ALLOCATION_FAILURE_END, verboseHandlerAllocationFailureEnd, OMR_GET_CALLSITE(), (void *)this);
/* Exclusive */
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_EXCLUSIVE_ACCESS_ACQUIRE, verboseHandlerExclusiveStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_EXCLUSIVE_ACCESS_RELEASE, verboseHandlerExclusiveEnd, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_ACQUIRED_EXCLUSIVE_TO_SATISFY_ALLOCATION, verboseHandlerAcquiredExclusiveToSatisfyAllocation, OMR_GET_CALLSITE(), (void *)this);
/* Cycle */
(*_mmOmrHooks)->J9HookRegisterWithCallSite(_mmOmrHooks, J9HOOK_MM_OMR_GC_CYCLE_START, verboseHandlerCycleStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_GC_POST_CYCLE_END, verboseHandlerCycleEnd, OMR_GET_CALLSITE(), (void *)this);
/* STW GC increment */
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_GC_INCREMENT_START, verboseHandlerGCStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_GC_INCREMENT_END, verboseHandlerGCEnd, OMR_GET_CALLSITE(), (void *)this);
/* GCOps */
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_MARK_END, verboseHandlerMarkEnd, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SWEEP_END, verboseHandlerSweepEnd, OMR_GET_CALLSITE(), (void *)this);
#if defined(OMR_GC_MODRON_COMPACTION)
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_COMPACT_START, verboseHandlerCompactStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmOmrHooks)->J9HookRegisterWithCallSite(_mmOmrHooks, J9HOOK_MM_OMR_COMPACT_END, verboseHandlerCompactEnd, OMR_GET_CALLSITE(), (void *)this);
#endif /* defined(OMR_GC_MODRON_COMPACTION) */
#if defined(OMR_GC_MODRON_SCAVENGER)
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SCAVENGE_END, verboseHandlerScavengeEnd, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_PERCOLATE_COLLECT, verboseHandlerScavengePercolate, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_PHASE_START, verboseHandlerConcurrentStart, OMR_GET_CALLSITE(), this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_PHASE_END, verboseHandlerConcurrentEnd, OMR_GET_CALLSITE(), this);
#endif /* defined(OMR_GC_MODRON_SCAVENGER) */
/* Concurrent */
#if defined(OMR_GC_MODRON_CONCURRENT_MARK)
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_KICKOFF, verboseHandlerConcurrentKickoff, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_HALTED, verboseHandlerConcurrentHalted, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_COLLECTION_START, verboseHandlerConcurrentCollectionStart, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_ABORTED, verboseHandlerConcurrentAborted, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_REMEMBERED_SET_SCAN_END, verboseHandlerConcurrentRememberedSetScanEnd, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_COMPLETE_TRACING_END, verboseHandlerConcurrentTracingEnd, OMR_GET_CALLSITE(), (void *)this);
(*_mmPrivateHooks)->J9HookRegisterWithCallSite(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_COLLECTION_CARD_CLEANING_END, verboseHandlerConcurrentCardCleaningEnd, OMR_GET_CALLSITE(), (void *)this);
#endif /* defined(OMR_GC_MODRON_CONCURRENT_MARK) */
/* Excessive GC */
(*_mmOmrHooks)->J9HookRegisterWithCallSite(_mmOmrHooks, J9HOOK_MM_OMR_EXCESSIVEGC_RAISED, verboseHandlerExcessiveGCRaised, OMR_GET_CALLSITE(), this);
}
void
MM_VerboseHandlerOutputStandard::disableVerbose()
{
MM_VerboseHandlerOutput::disableVerbose();
/* GCLaunch */
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SYSTEM_GC_START, verboseHandlerSystemGCStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SYSTEM_GC_END, verboseHandlerSystemGCEnd, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_ALLOCATION_FAILURE_START, verboseHandlerAllocationFailureStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_FAILED_ALLOCATION_COMPLETED, verboseHandlerFailedAllocationCompleted, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_ALLOCATION_FAILURE_END, verboseHandlerAllocationFailureEnd, NULL);
/* Exclusive */
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_EXCLUSIVE_ACCESS_ACQUIRE, verboseHandlerExclusiveStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_EXCLUSIVE_ACCESS_RELEASE, verboseHandlerExclusiveEnd, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_ACQUIRED_EXCLUSIVE_TO_SATISFY_ALLOCATION, verboseHandlerAcquiredExclusiveToSatisfyAllocation, NULL);
/* Cycle */
(*_mmOmrHooks)->J9HookUnregister(_mmOmrHooks, J9HOOK_MM_OMR_GC_CYCLE_START, verboseHandlerCycleStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_GC_POST_CYCLE_END, verboseHandlerCycleEnd, NULL);
/* STW GC increment */
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_GC_INCREMENT_START, verboseHandlerGCStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_GC_INCREMENT_END, verboseHandlerGCEnd, NULL);
/* GCOps */
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_MARK_END, verboseHandlerMarkEnd, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SWEEP_END, verboseHandlerSweepEnd, NULL);
#if defined(OMR_GC_MODRON_COMPACTION)
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_COMPACT_START, verboseHandlerCompactStart, NULL);
(*_mmOmrHooks)->J9HookUnregister(_mmOmrHooks, J9HOOK_MM_OMR_COMPACT_END, verboseHandlerCompactEnd, NULL);
#endif /* defined(OMR_GC_MODRON_COMPACTION) */
#if defined(OMR_GC_MODRON_SCAVENGER)
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_SCAVENGE_END, verboseHandlerScavengeEnd, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_PERCOLATE_COLLECT, verboseHandlerScavengePercolate, NULL);
/* Concurrent GMP */
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_PHASE_START, verboseHandlerConcurrentStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_PHASE_END, verboseHandlerConcurrentEnd, NULL);
#endif /* defined(OMR_GC_MODRON_SCAVENGER) */
/* Concurrent */
#if defined(OMR_GC_MODRON_CONCURRENT_MARK)
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_KICKOFF, verboseHandlerConcurrentKickoff, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_HALTED, verboseHandlerConcurrentHalted, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_COLLECTION_START, verboseHandlerConcurrentCollectionStart, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_ABORTED, verboseHandlerConcurrentAborted, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_REMEMBERED_SET_SCAN_END, verboseHandlerConcurrentRememberedSetScanEnd, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_COMPLETE_TRACING_END, verboseHandlerConcurrentTracingEnd, NULL);
(*_mmPrivateHooks)->J9HookUnregister(_mmPrivateHooks, J9HOOK_MM_PRIVATE_CONCURRENT_COLLECTION_CARD_CLEANING_END, verboseHandlerConcurrentCardCleaningEnd, NULL);
#endif /* defined(OMR_GC_MODRON_CONCURRENT_MARK) */
/* Excessive GC */
(*_mmOmrHooks)->J9HookUnregister(_mmOmrHooks, J9HOOK_MM_OMR_EXCESSIVEGC_RAISED, verboseHandlerExcessiveGCRaised, NULL);
}
const char *
MM_VerboseHandlerOutputStandard::getCycleType(uintptr_t type)
{
const char* cycleType = NULL;
switch (type) {
case OMR_GC_CYCLE_TYPE_DEFAULT:
cycleType = "default";
break;
case OMR_GC_CYCLE_TYPE_GLOBAL:
cycleType = "global";
break;
case OMR_GC_CYCLE_TYPE_SCAVENGE:
cycleType = "scavenge";
break;
case OMR_GC_CYCLE_TYPE_EPSILON:
cycleType = "epsilon";
break;
default:
cycleType = "unknown";
break;
}
return cycleType;
}
const char *
MM_VerboseHandlerOutputStandard::getConcurrentTypeString(uintptr_t type)
{
const char* cycleType = NULL;
switch (type) {
case OMR_GC_CYCLE_TYPE_GLOBAL:
cycleType = "global mark";
break;
case OMR_GC_CYCLE_TYPE_SCAVENGE:
cycleType = "scavenge";
break;
default:
cycleType = "unknown";
break;
}
return cycleType;
}
void
MM_VerboseHandlerOutputStandard::handleGCOPStanza(MM_EnvironmentBase* env, const char *type, uintptr_t contextID, uint64_t duration, bool deltaTimeSuccess)
{
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
OMRPORT_ACCESS_FROM_OMRPORT(env->getPortLibrary());
if (!deltaTimeSuccess) {
writer->formatAndOutput(env, 0, "<warning details=\"clock error detected, following timing may be inaccurate\" />");
}
char tagTemplate[200];
getTagTemplate(tagTemplate, sizeof(tagTemplate), manager->getIdAndIncrement(), type ,contextID, duration, omrtime_current_time_millis());
writer->formatAndOutput(env, 0, "<gc-op %s />", tagTemplate);
writer->flush(env);
}
void
MM_VerboseHandlerOutputStandard::handleMarkEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_MarkEndEvent* event = (MM_MarkEndEvent*)eventData;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
MM_GCExtensionsBase *extensions = MM_GCExtensionsBase::getExtensions(env->getOmrVM());
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_MarkStats *markStats = &extensions->globalGCStats.markStats;
uint64_t duration = 0;
bool deltaTimeSuccess = getTimeDeltaInMicroSeconds(&duration, markStats->_startTime, markStats->_endTime);
enterAtomicReportingBlock();
handleGCOPOuterStanzaStart(env, "mark", env->_cycleState->_verboseContextID, duration, deltaTimeSuccess);
writer->formatAndOutput(env, 1, "<trace-info objectcount=\"%zu\" scancount=\"%zu\" scanbytes=\"%zu\" />",
markStats->_objectsMarked, markStats->_objectsScanned, markStats->_bytesScanned);
handleMarkEndInternal(env, eventData);
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleMarkEndInternal(MM_EnvironmentBase* env, void* eventData)
{
/* Empty stub */
}
void
MM_VerboseHandlerOutputStandard::handleSweepEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_SweepEndEvent* event = (MM_SweepEndEvent*)eventData;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
MM_GCExtensionsBase *extensions = MM_GCExtensionsBase::getExtensions(env->getOmrVM());
MM_SweepStats *sweepStats = &extensions->globalGCStats.sweepStats;
uint64_t duration = 0;
bool deltaTimeSuccess = getTimeDeltaInMicroSeconds(&duration, sweepStats->_startTime, sweepStats->_endTime);
enterAtomicReportingBlock();
handleGCOPStanza(env, "sweep", env->_cycleState->_verboseContextID, duration, deltaTimeSuccess);
handleSweepEndInternal(env, eventData);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleSweepEndInternal(MM_EnvironmentBase* env, void* eventData)
{
/* Empty stub */
}
#if defined(OMR_GC_MODRON_COMPACTION)
void
MM_VerboseHandlerOutputStandard::handleCompactStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_CompactEndEvent* event = (MM_CompactEndEvent*)eventData;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->omrVMThread);
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_CollectionStatisticsStandard *stats = (MM_CollectionStatisticsStandard *)env->_cycleState->_collectionStatistics;
if (NO_FRAGMENTATION != stats->_tenureFragmentation) {
stats->collectCollectionStatistics(env, stats);
enterAtomicReportingBlock();
outputMemoryInfo(env, manager->getIndentLevel(), stats);
writer->flush(env);
exitAtomicReportingBlock();
stats->resetFragmentionStats(env);
}
}
void
MM_VerboseHandlerOutputStandard::handleCompactEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_CompactEndEvent* event = (MM_CompactEndEvent*)eventData;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->omrVMThread);
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_CompactStats *compactStats = &MM_GCExtensionsBase::getExtensions(env->getOmrVM())->globalGCStats.compactStats;
uint64_t duration = 0;
bool deltaTimeSuccess = getTimeDeltaInMicroSeconds(&duration, compactStats->_startTime, compactStats->_endTime);
enterAtomicReportingBlock();
handleGCOPOuterStanzaStart(env, "compact", env->_cycleState->_verboseContextID, duration, deltaTimeSuccess);
if(COMPACT_PREVENTED_NONE == compactStats->_compactPreventedReason) {
writer->formatAndOutput(env, 1, "<compact-info movecount=\"%zu\" movebytes=\"%zu\" reason=\"%s\" />",
compactStats->_movedObjects, compactStats->_movedBytes, getCompactionReasonAsString(compactStats->_compactReason));
} else {
writer->formatAndOutput(env, 1, "<compact-info reason=\"%s\" />", getCompactionReasonAsString(compactStats->_compactReason));
writer->formatAndOutput(env, 1, "<warning details=\"compaction prevented due to %s\" />", getCompactionPreventedReasonAsString(compactStats->_compactPreventedReason));
}
handleCompactEndInternal(env, eventData);
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleCompactEndInternal(MM_EnvironmentBase* env, void* eventData)
{
/* Empty stub */
}
#endif /* defined(OMR_GC_MODRON_COMPACTION) */
#if defined(OMR_GC_MODRON_SCAVENGER)
void
MM_VerboseHandlerOutputStandard::handleScavengeEndNoLock(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ScavengeEndEvent* event = (MM_ScavengeEndEvent*)eventData;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
MM_GCExtensionsBase *extensions = MM_GCExtensionsBase::getExtensions(env->getOmrVM());
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_ScavengerStats *scavengerStats = &extensions->incrementScavengerStats;
MM_ScavengerStats *cycleScavengerStats = &extensions->scavengerStats;
OMRPORT_ACCESS_FROM_OMRPORT(env->getPortLibrary());
uint64_t duration = 0;
bool deltaTimeSuccess = getTimeDeltaInMicroSeconds(&duration, event->incrementStartTime, event->incrementEndTime);
handleGCOPOuterStanzaStart(env, "scavenge", env->_cycleState->_verboseContextID, duration, deltaTimeSuccess);
if (event->cycleEnd) {
writer->formatAndOutput(env, 1, "<scavenger-info tenureage=\"%zu\" tenuremask=\"%4zx\" tiltratio=\"%zu\" />",
cycleScavengerStats->_tenureAge, cycleScavengerStats->getFlipHistory(0)->_tenureMask, cycleScavengerStats->_tiltRatio);
}
if (0 != scavengerStats->_flipCount) {
writer->formatAndOutput(env, 1, "<memory-copied type=\"nursery\" objects=\"%zu\" bytes=\"%zu\" bytesdiscarded=\"%zu\" />",
scavengerStats->_flipCount, scavengerStats->_flipBytes, scavengerStats->_flipDiscardBytes);
}
if (0 != scavengerStats->_tenureAggregateCount) {
writer->formatAndOutput(env, 1, "<memory-copied type=\"tenure\" objects=\"%zu\" bytes=\"%zu\" bytesdiscarded=\"%zu\" />",
scavengerStats->_tenureAggregateCount, scavengerStats->_tenureAggregateBytes, scavengerStats->_tenureDiscardBytes);
}
if (0 != scavengerStats->_failedFlipCount) {
writer->formatAndOutput(env, 1, "<copy-failed type=\"nursery\" objects=\"%zu\" bytes=\"%zu\" />",
scavengerStats->_failedFlipCount, scavengerStats->_failedFlipBytes);
}
if (0 != scavengerStats->_failedTenureCount) {
writer->formatAndOutput(env, 1, "<copy-failed type=\"tenure\" objects=\"%zu\" bytes=\"%zu\" />",
scavengerStats->_failedTenureCount, scavengerStats->_failedTenureBytes);
}
handleScavengeEndInternal(env, eventData);
if(0 != scavengerStats->_tenureExpandedCount) {
uint64_t expansionMicros = omrtime_hires_delta(0, scavengerStats->_tenureExpandedTime, OMRPORT_TIME_DELTA_IN_MICROSECONDS);
outputCollectorHeapResizeInfo(env, 1, HEAP_EXPAND, scavengerStats->_tenureExpandedBytes, scavengerStats->_tenureExpandedCount, MEMORY_TYPE_OLD, SATISFY_COLLECTOR, expansionMicros);
}
if(scavengerStats->_rememberedSetOverflow) {
writer->formatAndOutput(env, 1, "<warning details=\"remembered set overflow detected\" />");
if(scavengerStats->_causedRememberedSetOverflow) {
writer->formatAndOutput(env, 1, "<warning details=\"remembered set overflow triggered\" />");
}
}
if(scavengerStats->_scanCacheOverflow) {
writer->formatAndOutput(env, 1, "<warning details=\"scan cache overflow (new chunk allocation acquired durationms=%zu, fromHeap=%s)\" />", scavengerStats->_scanCacheAllocationDurationDuringSavenger, (0 != scavengerStats->_scanCacheAllocationFromHeap)?"true":"false");
}
if(scavengerStats->_backout) {
writer->formatAndOutput(env, 1, "<warning details=\"aborted collection due to insufficient free space\" />");
}
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
}
void
MM_VerboseHandlerOutputStandard::handleScavengeEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
enterAtomicReportingBlock();
handleScavengeEndNoLock(hook, eventNum, eventData);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentEndInternal(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentPhaseEndEvent *event = (MM_ConcurrentPhaseEndEvent *)eventData;
MM_ConcurrentPhaseStatsBase *stats = (MM_ConcurrentPhaseStatsBase *)event->concurrentStats;
if (OMR_GC_CYCLE_TYPE_GLOBAL == stats->_concurrentCycleType) {
handleConcurrentMarkEnd(hook, J9HOOK_MM_PRIVATE_CONCURRENT_PHASE_END, eventData);
} else if (OMR_GC_CYCLE_TYPE_SCAVENGE == stats->_concurrentCycleType) {
/* convert event from concurrent-end to scavenge-end */
MM_ScavengeEndEvent scavengeEndEvent;
scavengeEndEvent.currentThread = event->currentThread;
scavengeEndEvent.timestamp = event->timestamp;
scavengeEndEvent.eventid = event->eventid;
scavengeEndEvent.subSpace = NULL; //unknown info
scavengeEndEvent.cycleEnd = false;
scavengeEndEvent.incrementStartTime = stats->_startTime;
scavengeEndEvent.incrementEndTime = stats->_endTime;
handleScavengeEndNoLock(hook, J9HOOK_MM_PRIVATE_SCAVENGE_END, &scavengeEndEvent);
}
}
void
MM_VerboseHandlerOutputStandard::handleScavengeEndInternal(MM_EnvironmentBase* env, void* eventData)
{
/* Empty stub */
}
void
MM_VerboseHandlerOutputStandard::handleScavengePercolate(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_PercolateCollectEvent *event = (MM_PercolateCollectEvent *)eventData;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_OMRPORT(env->getPortLibrary());
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
char tagTemplate[200];
getTagTemplate(tagTemplate, sizeof(tagTemplate), omrtime_current_time_millis());
enterAtomicReportingBlock();
writer->formatAndOutput(env, 0, "<percolate-collect id=\"%zu\" from=\"%s\" to=\"%s\" reason=\"%s\" %s/>", manager->getIdAndIncrement(), "nursery", "global", getPercolateReasonAsString((PercolateReason)event->reason), tagTemplate);
writer->flush(env);
handleScavengePercolateInternal(env, eventData);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleScavengePercolateInternal(MM_EnvironmentBase* env, void* eventData)
{
/* Empty stub */
}
#endif /*defined(OMR_GC_MODRON_SCAVENGER) */
#if defined(OMR_GC_MODRON_CONCURRENT_MARK)
void
MM_VerboseHandlerOutputStandard::handleConcurrentMarkEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentPhaseEndEvent *event = (MM_ConcurrentPhaseEndEvent *)eventData;
MM_ConcurrentMarkPhaseStats *stats = (MM_ConcurrentMarkPhaseStats *)event->concurrentStats;
MM_ConcurrentGCStats *collectionStats = stats->_collectionStats;
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
MM_VerboseWriterChain* writer = _manager->getWriterChain();
uint64_t duration = 0;
bool deltaTimeSuccess = getTimeDeltaInMicroSeconds(&duration, stats->_startTime, stats->_endTime);
handleGCOPOuterStanzaStart(env, "trace", stats->_cycleID, duration, deltaTimeSuccess);
writer->formatAndOutput(env, 1, "<trace bytesTraced=\"%zu\" workStackOverflowCount=\"%zu\" />", (collectionStats->getConHelperTraceSizeCount() + collectionStats->getTraceSizeCount()), collectionStats->getConcurrentWorkStackOverflowCount());
if (NULL != stats->_cardTableStats) {
if (0 == stats->_cardTableStats->getConcurrentCleanedCards()) {
writer->formatAndOutput(env, 1, "<card-cleaning bytesTraced=\"%zu\" cardsCleaned=\"%zu\" />", (collectionStats->getConHelperCardCleanCount() + collectionStats->getCardCleanCount()), stats->_cardTableStats->getConcurrentCleanedCards());
} else {
const char* cardCleaningReasonString = getCardCleaningReasonString(collectionStats->getCardCleaningReason());
writer->formatAndOutput(env, 1, "<card-cleaning reason=\"%s\" bytesTraced=\"%zu\" cardsCleaned=\"%zu\" />", cardCleaningReasonString, (collectionStats->getConHelperCardCleanCount() + collectionStats->getCardCleanCount()), stats->_cardTableStats->getConcurrentCleanedCards());
}
}
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentRememberedSetScanEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentRememberedSetScanEndEvent* event = (MM_ConcurrentRememberedSetScanEndEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
uint64_t durationUs = omrtime_hires_delta(0, event->duration, OMRPORT_TIME_DELTA_IN_MICROSECONDS);
enterAtomicReportingBlock();
handleGCOPOuterStanzaStart(env, "rs-scan", env->_cycleState->_verboseContextID, durationUs, true);
writer->formatAndOutput(
env, 1, "<scan objectsFound=\"%zu\" bytesTraced=\"%zu\" workStackOverflowCount=\"%zu\" />",
event->objectsFound, event->bytesTraced, event->workStackOverflowCount);
handleConcurrentRememberedSetScanEndInternal(env, eventData);
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentRememberedSetScanEndInternal(MM_EnvironmentBase *env, void *eventData)
{
/* Empty stub */
}
const char *
MM_VerboseHandlerOutputStandard::getCardCleaningReasonString(uintptr_t type)
{
const char* cardCleaningReasonString = NULL;
switch (type) {
case TRACING_COMPLETED:
cardCleaningReasonString = "tracing completed";
break;
case CARD_CLEANING_THRESHOLD_REACHED:
cardCleaningReasonString = "card cleaning threshold reached";
break;
default:
cardCleaningReasonString = "unknown";
break;
}
return cardCleaningReasonString;
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentCardCleaningEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentCollectionCardCleaningEndEvent* event = (MM_ConcurrentCollectionCardCleaningEndEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
uint64_t durationUs = omrtime_hires_delta(0, event->duration, OMRPORT_TIME_DELTA_IN_MICROSECONDS);
enterAtomicReportingBlock();
handleGCOPOuterStanzaStart(env, "card-cleaning", env->_cycleState->_verboseContextID, durationUs, true);
writer->formatAndOutput(
env, 1, "<card-cleaning cardsCleaned=\"%zu\" bytesTraced=\"%zu\" workStackOverflowCount=\"%zu\" />",
event->finalcleanedCards, event->bytesTraced, event->workStackOverflowCount);
handleConcurrentCardCleaningEndInternal(env, eventData);
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentCardCleaningEndInternal(MM_EnvironmentBase *env, void* eventData)
{
/* Empty stub */
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentTracingEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentCompleteTracingEndEvent* event = (MM_ConcurrentCompleteTracingEndEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
uint64_t durationUs = omrtime_hires_delta(0, event->duration, OMRPORT_TIME_DELTA_IN_MICROSECONDS);
enterAtomicReportingBlock();
handleGCOPOuterStanzaStart(env, "tracing", env->_cycleState->_verboseContextID, durationUs, true);
writer->formatAndOutput(env, 1, "<trace bytesTraced=\"%zu\" workStackOverflowCount=\"%zu\" />", event->bytesTraced, event->workStackOverflowCount);
handleConcurrentTracingEndInternal(env, eventData);
handleGCOPOuterStanzaEnd(env);
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentTracingEndInternal(MM_EnvironmentBase *env, void* eventData)
{
/* Empty stub */
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentKickoff(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentKickoffEvent* event = (MM_ConcurrentKickoffEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
MM_GCExtensionsBase* extensions = MM_GCExtensionsBase::getExtensions(env->getOmrVM());
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
char tagTemplate[200];
enterAtomicReportingBlock();
getTagTemplate(tagTemplate, sizeof(tagTemplate), manager->getIdAndIncrement(), omrtime_current_time_millis());
writer->formatAndOutput(env, 0, "<concurrent-kickoff %s>", tagTemplate);
const char* reasonString = getConcurrentKickoffReason(eventData);
if (extensions->isScavengerEnabled()) {
writer->formatAndOutput(
env, 1, "<kickoff reason=\"%s\" targetBytes=\"%zu\" thresholdFreeBytes=\"%zu\" remainingFree=\"%zu\" tenureFreeBytes=\"%zu\" nurseryFreeBytes=\"%zu\" />",
reasonString, event->traceTarget, event->kickOffThreshold, event->remainingFree, event->commonData->tenureFreeBytes, event->commonData->nurseryFreeBytes);
} else {
writer->formatAndOutput(
env, 1, "<kickoff reason=\"%s\" targetBytes=\"%zu\" thresholdFreeBytes=\"%zu\" remainingFree=\"%zu\" tenureFreeBytes=\"%zu\" />",
reasonString, event->traceTarget, event->kickOffThreshold, event->remainingFree, event->commonData->tenureFreeBytes);
}
writer->formatAndOutput(env, 0, "</concurrent-kickoff>");
writer->flush(env);
handleConcurrentKickoffInternal(env, eventData);
exitAtomicReportingBlock();
}
const char*
MM_VerboseHandlerOutputStandard::getConcurrentKickoffReason(void *eventData)
{
MM_ConcurrentKickoffEvent* event = (MM_ConcurrentKickoffEvent*)eventData;
const char* reasonString;
switch ((ConcurrentKickoffReason)event->reason) {
case KICKOFF_THRESHOLD_REACHED:
reasonString = "threshold reached";
break;
case NEXT_SCAVENGE_WILL_PERCOLATE:
reasonString = "next scavenge will percolate";
break;
case NO_KICKOFF_REASON:
/* Should never be the case */
reasonString = "none";
break;
default:
reasonString = "unknown";
break;
}
return reasonString;
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentKickoffInternal(MM_EnvironmentBase *env, void* eventData)
{
/* Empty stub */
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentHalted(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentHaltedEvent* event = (MM_ConcurrentHaltedEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
char tagTemplate[200];
enterAtomicReportingBlock();
getTagTemplate(tagTemplate, sizeof(tagTemplate), manager->getIdAndIncrement(), omrtime_current_time_millis());
writer->formatAndOutput(env, 0, "<concurrent-halted %s>", tagTemplate);
handleConcurrentHaltedInternal(env, eventData);
writer->formatAndOutput(env, 1,
"<traced "
"bytesTarget=\"%zu\" bytesTotal=\"%zu\" "
"bytesByMutator=\"%zu\" bytesByHelper=\"%zu\" "
"percent=\"%zu\" />",
event->traceTarget, event->tracedTotal,
event->tracedByMutators, event->tracedByHelpers,
event->traceTarget == 0 ? 0 : (uintptr_t)(((uint64_t)event->tracedTotal * 100) / (uint64_t)event->traceTarget));
/* Temp check while SATB and incremental share Verbose Handler */
if (UDATA_MAX != event->cardsCleaned) {
writer->formatAndOutput(env, 1, "<cards cleaned=\"%zu\" thresholdBytes=\"%zu\" />", event->cardsCleaned, event->cardCleaningThreshold);
}
writer->formatAndOutput(env, 0, "</concurrent-halted>");
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentHaltedInternal(MM_EnvironmentBase *env, void* eventData)
{
MM_ConcurrentHaltedEvent* event = (MM_ConcurrentHaltedEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
#define CONCURRENT_STATUS_BUFFER_LENGTH 32
char statusBuffer[CONCURRENT_STATUS_BUFFER_LENGTH];
const char* statusString = MM_ConcurrentGCStats::getConcurrentStatusString(env, event->executionMode, statusBuffer, CONCURRENT_STATUS_BUFFER_LENGTH);
#undef CONCURRENT_STATUS_BUFFER_LENGTH
const char* stateString = "Complete";
if (0 == event->isTracingExhausted) {
stateString = "Tracing incomplete";
}
writer->formatAndOutput(env, 1, "<halted state=\"%s\" status=\"%s\" />", stateString, statusString);
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentCollectionStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentCollectionStartEvent* event = (MM_ConcurrentCollectionStartEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
uint64_t currentTime = event->timestamp;
uint64_t previousTime = manager->getLastConcurrentGCTime();
manager->setLastConcurrentGCTime(currentTime);
if (0 == previousTime) {
previousTime = manager->getInitializedTime();
}
uint64_t deltaTime = omrtime_hires_delta(previousTime, currentTime, OMRPORT_TIME_DELTA_IN_MICROSECONDS);
char tagTemplate[200];
enterAtomicReportingBlock();
getTagTemplate(tagTemplate, sizeof(tagTemplate), manager->getIdAndIncrement(), event->contextid, omrtime_current_time_millis());
writer->formatAndOutput(env, 0, "<concurrent-global-final %s intervalms=\"%llu.%03llu\" >",
tagTemplate, deltaTime / 1000, deltaTime % 1000);
handleConcurrentCollectionStartInternal(env, eventData);
writer->formatAndOutput(env, 0, "</concurrent-global-final>");
writer->flush(env);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentCollectionStartInternal(MM_EnvironmentBase *env, void* eventData)
{
MM_ConcurrentCollectionStartEvent* event = (MM_ConcurrentCollectionStartEvent*)eventData;
MM_VerboseWriterChain* writer = getManager()->getWriterChain();
/* Temp check while SATB and incremental share Verbose Handler */
if (UDATA_MAX != event->cardsCleaned) {
const char* cardCleaningReasonString = getCardCleaningReasonString(event->cardCleaningReason);
writer->formatAndOutput(env, 1, "<concurrent-trace-info reason=\"%s\" tracedByMutators=\"%zu\" tracedByHelpers=\"%zu\" cardsCleaned=\"%zu\" workStackOverflowCount=\"%zu\" />",
cardCleaningReasonString, event->tracedByMutators, event->tracedByHelpers, event->cardsCleaned, event->workStackOverflowCount);
} else {
writer->formatAndOutput(env, 1, "<concurrent-trace-info tracedByMutators=\"%zu\" tracedByHelpers=\"%zu\" workStackOverflowCount=\"%zu\" />",
event->tracedByMutators, event->tracedByHelpers, event->workStackOverflowCount);
}
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentAborted(J9HookInterface** hook, uintptr_t eventNum, void* eventData)
{
MM_ConcurrentAbortedEvent* event = (MM_ConcurrentAbortedEvent*)eventData;
MM_VerboseManager* manager = getManager();
MM_VerboseWriterChain* writer = manager->getWriterChain();
MM_EnvironmentBase* env = MM_EnvironmentBase::getEnvironment(event->currentThread);
OMRPORT_ACCESS_FROM_ENVIRONMENT(env);
char tagTemplate[100];
enterAtomicReportingBlock();
getTagTemplate(tagTemplate, sizeof(tagTemplate), manager->getIdAndIncrement(), omrtime_current_time_millis());
writer->formatAndOutput(env, 0, "<concurrent-aborted %s>", tagTemplate);
const char* reason;
switch((CollectionAbortReason)event->reason) {
case ABORT_COLLECTION_INSUFFICENT_PROGRESS:
reason = "insufficient progress made";
break;
case ABORT_COLLECTION_REMEMBERSET_OVERFLOW:
reason = "remembered set overflow";
break;
case ABORT_COLLECTION_SCAVENGE_REMEMBEREDSET_OVERFLOW:
reason = "scavenge remembered set overflow";
break;
case ABORT_COLLECTION_PREPARE_HEAP_FOR_WALK:
reason = "prepare heap for walk";
break;
#if defined(OMR_GC_IDLE_HEAP_MANAGER)
case ABORT_COLLECTION_IDLE_GC:
reason = "restart cycle for idle gc";
break;
#endif /* OMR_GC_IDLE_HEAP_MANAGER */
default:
reason = "unknown";
break;
}
writer->formatAndOutput(env, 1, "<reason value=\"%s\" />", reason);
writer->formatAndOutput(env, 0, "</concurrent-aborted>");
writer->flush(env);
handleConcurrentAbortedInternal(env, eventData);
exitAtomicReportingBlock();
}
void
MM_VerboseHandlerOutputStandard::handleConcurrentAbortedInternal(MM_EnvironmentBase *env, void *eventData)
{
/* Empty stub */
}
#endif /* defined(OMR_GC_MODRON_CONCURRENT_MARK) */
bool
MM_VerboseHandlerOutputStandard::hasOutputMemoryInfoInnerStanza()
{
return true;
}
void
MM_VerboseHandlerOutputStandard::outputMemType(MM_EnvironmentBase* env, uintptr_t indent, const char* type, uintptr_t free, uintptr_t total, uint32_t tenureFragmentation, uintptr_t microFragment, uintptr_t macroFragment)
{
char memInfoBuffer[INITIAL_BUFFER_SIZE] = "";
OMRPORT_ACCESS_FROM_OMRVM(_omrVM);
MM_VerboseWriterChain* writer = _manager->getWriterChain();
uintptr_t bufPos = 0;
bufPos += omrstr_printf(memInfoBuffer, INITIAL_BUFFER_SIZE, "<mem type=\"%s\" free=\"%zu\" total=\"%zu\" percent=\"%zu\"",
type, (size_t) free, (size_t) total, (size_t) ((total == 0) ? 0 : ((uintptr_t)(((uint64_t)free*100) / (uint64_t)total))));
if (MICRO_FRAGMENTATION == (MICRO_FRAGMENTATION & tenureFragmentation)) {
bufPos += omrstr_printf(memInfoBuffer + bufPos, INITIAL_BUFFER_SIZE - bufPos, " micro-fragmented=\"%zu\"", (size_t) microFragment);
}
if (MACRO_FRAGMENTATION == (MACRO_FRAGMENTATION & tenureFragmentation)) {
bufPos += omrstr_printf(memInfoBuffer + bufPos, INITIAL_BUFFER_SIZE - bufPos," macro-fragmented=\"%zu\"", (size_t) macroFragment);
}
bufPos += omrstr_printf(memInfoBuffer + bufPos, INITIAL_BUFFER_SIZE - bufPos, " />");
writer->formatAndOutput(env, indent, memInfoBuffer);
}
void
MM_VerboseHandlerOutputStandard::outputMemoryInfoInnerStanza(MM_EnvironmentBase *env, uintptr_t indent, MM_CollectionStatistics *statsBase)
{
MM_VerboseWriterChain* writer = _manager->getWriterChain();
MM_CollectionStatisticsStandard *stats = MM_CollectionStatisticsStandard::getCollectionStatistics(statsBase);
MM_GCExtensionsBase* extensions = MM_GCExtensionsBase::getExtensions(env->getOmrVM());
if (stats->_scavengerEnabled) {
writer->formatAndOutput(env, indent, "<mem type=\"nursery\" free=\"%zu\" total=\"%zu\" percent=\"%zu\">",
stats->_totalFreeNurseryHeapSize, stats->_totalNurseryHeapSize,
((stats->_totalNurseryHeapSize == 0) ? 0 : ((uintptr_t)(((uint64_t)stats->_totalFreeNurseryHeapSize*100) / (uint64_t)stats->_totalNurseryHeapSize))));
/* The only free memory in Nursery is in Allocate subspace (hence, using _totalFreeNurseryHeapSize to report free allocate) */
if (extensions->isConcurrentScavengerInProgress()) {
/* During CS active cycle, Allocate and Survivor is same subspace. The rest is Evacuate */
Assert_MM_true(stats->_totalFreeSurvivorHeapSize == stats->_totalFreeNurseryHeapSize);
outputMemType(env, indent + 1, "allocate/survivor", stats->_totalFreeNurseryHeapSize, stats->_totalSurvivorHeapSize);
outputMemType(env, indent + 1, "evacuate", 0, stats->_totalNurseryHeapSize - stats->_totalSurvivorHeapSize);
} else {
/* Prior to Scavenge start or just after the end, any Survivor free memory is reported as reserved (0 free) */
outputMemType(env, indent + 1, "allocate", stats->_totalFreeNurseryHeapSize, stats->_totalNurseryHeapSize - stats->_totalSurvivorHeapSize);
outputMemType(env, indent + 1, "survivor", 0, stats->_totalSurvivorHeapSize);
}
writer->formatAndOutput(env, indent, "</mem>");
}
if (stats->_loaEnabled) {
char tenureMemInfoBuffer[INITIAL_BUFFER_SIZE] = "";
uintptr_t bufPos = 0;
OMRPORT_ACCESS_FROM_OMRVM(_omrVM);
bufPos += omrstr_printf(tenureMemInfoBuffer, INITIAL_BUFFER_SIZE, "<mem type=\"tenure\" free=\"%zu\" total=\"%zu\" percent=\"%zu\"",
(size_t) stats->_totalFreeTenureHeapSize, (size_t) stats->_totalTenureHeapSize,
(size_t) ((stats->_totalTenureHeapSize == 0) ? 0 : ((uintptr_t)(((uint64_t)stats->_totalFreeTenureHeapSize*100) / (uint64_t)stats->_totalTenureHeapSize))));
if (MICRO_FRAGMENTATION == (MICRO_FRAGMENTATION & stats->_tenureFragmentation)) {
bufPos += omrstr_printf(tenureMemInfoBuffer + bufPos, INITIAL_BUFFER_SIZE - bufPos, " micro-fragmented=\"%zu\"", (size_t) stats->_microFragmentedSize);
}
if (MACRO_FRAGMENTATION == (MACRO_FRAGMENTATION & stats->_tenureFragmentation)) {
bufPos += omrstr_printf(tenureMemInfoBuffer + bufPos, INITIAL_BUFFER_SIZE - bufPos, " macro-fragmented=\"%zu\"", (size_t) stats->_macroFragmentedSize);
}
bufPos += omrstr_printf(tenureMemInfoBuffer + bufPos, INITIAL_BUFFER_SIZE - bufPos, ">");
writer->formatAndOutput(env, indent, tenureMemInfoBuffer);
outputMemType(env, indent + 1, "soa", (stats->_totalFreeTenureHeapSize - stats->_totalFreeLOAHeapSize), (stats->_totalTenureHeapSize - stats->_totalLOAHeapSize));
outputMemType(env, indent + 1, "loa", stats->_totalFreeLOAHeapSize, stats->_totalLOAHeapSize);
writer->formatAndOutput(env, indent, "</mem>");
} else {
outputMemType(env, indent, "tenure", stats->_totalFreeTenureHeapSize, stats->_totalTenureHeapSize, stats->_tenureFragmentation, stats->_microFragmentedSize, stats->_macroFragmentedSize);
}
outputMemoryInfoInnerStanzaInternal(env, indent, statsBase);
if (stats->_scavengerEnabled) {
writer->formatAndOutput(env, indent, "<remembered-set count=\"%zu\" />", stats->_rememberedSetCount);
}
}
void
MM_VerboseHandlerOutputStandard::outputMemoryInfoInnerStanzaInternal(MM_EnvironmentBase *env, uintptr_t indent, MM_CollectionStatistics *statsBase)
{
/* Empty stub */
}
const char *
MM_VerboseHandlerOutputStandard::getSubSpaceType(uintptr_t typeFlags)
{
const char *subSpaceType = NULL;
if (MEMORY_TYPE_OLD == typeFlags) {
subSpaceType = "tenure";
} else if (MEMORY_TYPE_NEW == typeFlags) {
subSpaceType = "nursery";
} else {
subSpaceType = "default";
}
return subSpaceType;
}
void
verboseHandlerGCStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData)
{
((MM_VerboseHandlerOutput *)userData)->handleGCStart(hook, eventNum, eventData);
}
void
verboseHandlerGCEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData)
{
((MM_VerboseHandlerOutput *)userData)->handleGCEnd(hook, eventNum, eventData);
}
void
verboseHandlerCycleStart(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData)
{
((MM_VerboseHandlerOutput *)userData)->handleCycleStart(hook, eventNum, eventData);
}
void
verboseHandlerCycleEnd(J9HookInterface** hook, uintptr_t eventNum, void* eventData, void* userData)
{
((MM_VerboseHandlerOutput *)userData)->handleCycleEnd(hook, eventNum, eventData);
}
void