VerboseEventCompletedConcurrentSweep.cpp

/*******************************************************************************
 * Copyright (c) 1991, 2014 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 "j9.h"
#include "j9cfg.h"

#include "VerboseEventCompletedConcurrentSweep.hpp"

#include "Debug.hpp"
#include "GCExtensions.hpp"
#include "VerboseManagerOld.hpp"

/**
 * Create an new instance of a MM_VerboseEventGlobalGCEnd event.
 * @param event Pointer to a structure containing the data passed over the hookInterface
 */
MM_VerboseEvent *
MM_VerboseEventCompletedConcurrentSweep::newInstance(MM_CompletedConcurrentSweep *event, J9HookInterface** hookInterface)
{
	MM_VerboseEventCompletedConcurrentSweep *eventObject;
	
	eventObject = (MM_VerboseEventCompletedConcurrentSweep *)MM_VerboseEvent::create(event->currentThread, sizeof(MM_VerboseEventCompletedConcurrentSweep));
	if(NULL != eventObject) {
		new(eventObject) MM_VerboseEventCompletedConcurrentSweep(event, hookInterface);
		eventObject->initialize();
	}
	return eventObject;
}

void
MM_VerboseEventCompletedConcurrentSweep::initialize(void)
{
	OMRPORT_ACCESS_FROM_OMRVMTHREAD(_omrThread);
	_timeInMilliSeconds = omrtime_current_time_millis();
}

/**
 * Populate events data fields.
 * The event calls the event stream requesting the address of events it is interested in.
 * When an address is returned it populates itself with the data.
 */
void
MM_VerboseEventCompletedConcurrentSweep::consumeEvents(void)
{
}

/**
 * Passes a format string and data to the output routine defined in the passed output agent.
 * @param agent Pointer to an output agent.
 */
void
MM_VerboseEventCompletedConcurrentSweep::formattedOutput(MM_VerboseOutputAgent *agent)
{
	char timestamp[32];
	UDATA indentLevel = _manager->getIndentLevel();
	OMRPORT_ACCESS_FROM_OMRVMTHREAD(_omrThread);
	
	switch((SweepCompletionReason)_reason) {

	case ABOUT_TO_GC:
	
		omrstr_ftime(timestamp, sizeof(timestamp), VERBOSEGC_DATE_FORMAT, _timeInMilliSeconds);
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<con event=\"completed full sweep\" timestamp=\"%s\">", timestamp);
		
		_manager->incrementIndent();
		indentLevel = _manager->getIndentLevel();
		
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<stats sweepbytes=\"%zu\" sweeptime=\"%llu.%03.3llu\" connectbytes=\"%zu\" connecttime=\"%llu.%03.3llu\" />",
			_bytesSwept,
			_timeElapsedSweep / 1000,
			_timeElapsedSweep % 1000,
			_bytesConnected,
			_timeElapsedConnect / 1000,
			_timeElapsedConnect % 1000);
		
		_manager->decrementIndent();
		indentLevel = _manager->getIndentLevel();
		
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "</con>");
		break;
	case COMPACTION_REQUIRED:
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<warning details=\"completed sweep to facilitate compaction\" />");
		break;
	case CONTRACTION_REQUIRED:
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<warning details=\"completed sweep to facilitate contraction\" />");
		break;
	case EXPANSION_REQUIRED:	
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<warning details=\"completed sweep to facilitate expansion\" />");
		break;
	case LOA_RESIZE:	
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<warning details=\"completed sweep to facilitate LOA resize\" />");
		break;
	case SYSTEM_GC:
		agent->formatAndOutput(static_cast<J9VMThread*>(_omrThread->_language_vmthread), indentLevel, "<warning details=\"completed sweep due to system gc\" />");
		break;
	default:
		assume0(0);
	}		
}