Commit | Line | Data |
---|---|---|
af3275f8 AM |
1 | /******************************************************************************* |
2 | * Copyright (c) 2015 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials | |
5 | * are made available under the terms of the Eclipse Public License v1.0 | |
6 | * which accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Matthew Khouzam - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.lttng.scope.lttng.kernel.core.analysis.os.handlers.internal; | |
14 | ||
15 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; | |
16 | import org.lttng.scope.lttng.kernel.core.trace.layout.ILttngKernelEventLayout; | |
17 | ||
18 | import ca.polymtl.dorsal.libdelorean.ITmfStateSystemBuilder; | |
19 | import ca.polymtl.dorsal.libdelorean.exceptions.AttributeNotFoundException; | |
20 | import ca.polymtl.dorsal.libdelorean.statevalue.TmfStateValue; | |
21 | ||
22 | /** | |
23 | * Irq Exit handler | |
24 | */ | |
25 | public class IrqExitHandler extends KernelEventHandler { | |
26 | ||
27 | /** | |
28 | * Constructor | |
29 | * | |
30 | * @param layout | |
31 | * event layout | |
32 | */ | |
33 | public IrqExitHandler(ILttngKernelEventLayout layout) { | |
34 | super(layout); | |
35 | } | |
36 | ||
37 | @Override | |
38 | public void handleEvent(ITmfStateSystemBuilder ss, ITmfEvent event) throws AttributeNotFoundException { | |
39 | Integer cpu = KernelEventHandlerUtils.getCpu(event); | |
40 | if (cpu == null) { | |
41 | return; | |
42 | } | |
43 | int currentThreadNode = KernelEventHandlerUtils.getCurrentThreadNode(cpu, ss); | |
44 | Integer irqId = ((Long) event.getContent().getField(getLayout().fieldIrq()).getValue()).intValue(); | |
45 | /* Put this IRQ back to inactive in the resource tree */ | |
46 | int quark = ss.getQuarkRelativeAndAdd(KernelEventHandlerUtils.getNodeIRQs(cpu, ss), irqId.toString()); | |
47 | TmfStateValue value = TmfStateValue.nullValue(); | |
48 | long timestamp = KernelEventHandlerUtils.getTimestamp(event); | |
49 | ss.modifyAttribute(timestamp, value, quark); | |
50 | ||
51 | /* Set the previous process back to running */ | |
52 | KernelEventHandlerUtils.setProcessToRunning(timestamp, currentThreadNode, ss); | |
53 | ||
54 | /* Set the CPU status back to running or "idle" */ | |
55 | KernelEventHandlerUtils.cpuExitInterrupt(timestamp, cpu, ss); | |
56 | } | |
57 | } |