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/*******************************************************************************
* Copyright (c) 2009 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.lttng.ui.model.trange;
import org.eclipse.linuxtools.lttng.state.StateStrings;
import org.eclipse.linuxtools.lttng.state.model.LTTngCPUState;
import org.eclipse.linuxtools.lttng.state.model.LttngIRQState;
import org.eclipse.linuxtools.lttng.state.model.LttngTraceState;
import org.eclipse.linuxtools.lttng.state.model.LttngTrapState;
import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventResource.ResourceTypes;
/**
* Creates Resources with custom implementation to obtain its corresponding
* state mode
* <p>
* The state mode resolution is needed at the end of a data request, as well as
* in the before and after handlers
* </p>
*
* @author alvaro
*
*/
public class TimeRangeResourceFactory {
// ========================================================================
// Data
// =======================================================================
private static TimeRangeResourceFactory instance = null;
// ========================================================================
// Create instance
// =======================================================================
/**
* Factory singleton
*
* @return
*/
public static TimeRangeResourceFactory getInstance() {
if (instance == null) {
instance = new TimeRangeResourceFactory();
}
return instance;
}
// ========================================================================
// Public methods
// =======================================================================
public TimeRangeEventResource createResource(int newId, long newStartTime,
long newStopTime, String newName, String newGroupName,
String newClassName, ResourceTypes type, Long newResourceId,
long insertionTime) {
TimeRangeEventResource resource = null;
switch (type) {
case CPU:
resource = createCpuResource(newId, newStartTime, newStopTime,
newName, newGroupName, newClassName, type, newResourceId,
insertionTime);
break;
case IRQ:
resource = createIrqResource(newId, newStartTime, newStopTime,
newName, newGroupName, newClassName, type, newResourceId,
insertionTime);
break;
case SOFT_IRQ:
resource = createSoftIrqResource(newId, newStartTime, newStopTime,
newName, newGroupName, newClassName, type, newResourceId,
insertionTime);
break;
case TRAP:
resource = createTrapResource(newId, newStartTime, newStopTime,
newName, newGroupName, newClassName, type, newResourceId,
insertionTime);
break;
case BDEV:
resource = createBdevResource(newId, newStartTime, newStopTime,
newName, newGroupName, newClassName, type, newResourceId,
insertionTime);
break;
default:
break;
}
return resource;
}
// ========================================================================
// Private methods
// =======================================================================
private TimeRangeEventResource createIrqResource(int newId,
long newStartTime, long newStopTime, String newName,
String newGroupName, String newClassName, ResourceTypes newType,
Long newResourceId, long insertionTime) {
TimeRangeEventResource resource = new TimeRangeEventResource(newId,
newStartTime, newStopTime, newName, newGroupName, newClassName,
newType, newResourceId, insertionTime) {
@Override
public String getStateMode(LttngTraceState traceSt) {
LttngIRQState irqState = traceSt.getIrq_states().get(
getResourceId());
String statemode = ""; //$NON-NLS-1$
if (irqState != null) {
statemode = irqState.peekFromIrqStack().getInName();
}
return statemode;
}
};
return resource;
}
private TimeRangeEventResource createTrapResource(int newId,
long newStartTime, long newStopTime, String newName,
String newGroupName, String newClassName, ResourceTypes newType,
Long newResourceId, long insertionTime) {
TimeRangeEventResource resource = new TimeRangeEventResource(newId,
newStartTime, newStopTime, newName, newGroupName, newClassName,
newType, newResourceId, insertionTime) {
@Override
public String getStateMode(LttngTraceState traceSt) {
// Determine the trap state.
String trapStateMode = ""; //$NON-NLS-1$
LttngTrapState ts = traceSt.getTrap_states().get(getResourceId());
// *** Note :
// Ts might not have been created yet.
// This is because the state system will be updated next to this before hook
// It should be correct to create it here as Busy
// (traps are created with running++ so it wont be idle)
if ( ts != null ) {
Long trapState = ts.getRunning();
if (trapState == 0) {
trapStateMode = StateStrings.TrapMode.LTTV_TRAP_IDLE.getInName();
} else {
trapStateMode = StateStrings.TrapMode.LTTV_TRAP_BUSY.getInName();
}
}
else {
trapStateMode = StateStrings.TrapMode.LTTV_TRAP_BUSY.getInName();
}
return trapStateMode;
}
};
return resource;
}
private TimeRangeEventResource createSoftIrqResource(int newId,
long newStartTime, long newStopTime, String newName,
String newGroupName, String newClassName, ResourceTypes newType,
Long newResourceId, long insertionTime) {
TimeRangeEventResource resource = new TimeRangeEventResource(newId,
newStartTime, newStopTime, newName, newGroupName, newClassName,
newType, newResourceId, insertionTime) {
@Override
public String getStateMode(LttngTraceState traceSt) {
// Get the resource id.
Long softIrqId = getResourceId();
// Get the resource state mode
long running = traceSt.getSoft_irq_states().get(softIrqId)
.getRunning().longValue();
long pending = traceSt.getSoft_irq_states().get(softIrqId)
.getPending().longValue();
String softIrqStateMode;
if (running > 0) {
softIrqStateMode = StateStrings.SoftIRQMode.LTTV_SOFT_IRQ_BUSY
.getInName();
} else if (pending > 0) {
softIrqStateMode = StateStrings.SoftIRQMode.LTTV_SOFT_IRQ_PENDING
.getInName();
} else {
softIrqStateMode = StateStrings.SoftIRQMode.LTTV_SOFT_IRQ_IDLE
.getInName();
}
return softIrqStateMode;
}
};
return resource;
}
private TimeRangeEventResource createBdevResource(int newId,
long newStartTime, long newStopTime, String newName,
String newGroupName, String newClassName, ResourceTypes newType,
Long newResourceId, long insertionTime) {
TimeRangeEventResource resource = new TimeRangeEventResource(newId,
newStartTime, newStopTime, newName, newGroupName, newClassName,
newType, newResourceId, insertionTime) {
@Override
public String getStateMode(LttngTraceState traceSt) {
// Get the resource state mode
String bdevStateMode = traceSt.getBdev_states().get(
getResourceId()).peekFromBdevStack().getInName();
return bdevStateMode;
}
};
return resource;
}
private TimeRangeEventResource createCpuResource(int newId,
long newStartTime, long newStopTime, String newName,
String newGroupName, String newClassName, ResourceTypes newType,
Long newResourceId, long insertionTime) {
TimeRangeEventResource resource = new TimeRangeEventResource(newId,
newStartTime, newStopTime, newName, newGroupName, newClassName,
newType, newResourceId, insertionTime) {
@Override
public String getStateMode(LttngTraceState traceSt) {
// Get the resource state mode
LTTngCPUState cpuState = traceSt.getCpu_states().get(
getResourceId());
String cpuStateMode = ""; //$NON-NLS-1$
if (cpuState != null) {
cpuStateMode = traceSt.getCpu_states().get(
getResourceId())
.peekFromCpuStack().getInName();
}
return cpuStateMode;
}
};
return resource;
}
}
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