Commit | Line | Data |
---|---|---|
c8f45ad2 MK |
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.eclipse.tracecompass.internal.analysis.os.linux.core.kernel.handlers; | |
14 | ||
0f7a12d3 | 15 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.StateValues; |
c8f45ad2 MK |
16 | import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelAnalysisEventLayout; |
17 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystemBuilder; | |
18 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; | |
19 | import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; | |
c8f45ad2 MK |
20 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
21 | ||
22 | /** | |
23 | * Soft Irq Entry handler | |
24 | */ | |
25 | public class SoftIrqEntryHandler extends KernelEventHandler { | |
26 | ||
27 | /** | |
28 | * Constructor | |
29 | * | |
30 | * @param layout | |
31 | * event layout | |
32 | */ | |
33 | public SoftIrqEntryHandler(IKernelAnalysisEventLayout 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 | ||
44 | long timestamp = KernelEventHandlerUtils.getTimestamp(event); | |
45 | Integer softIrqId = ((Long) event.getContent().getField(getLayout().fieldVec()).getValue()).intValue(); | |
46 | int currentCPUNode = KernelEventHandlerUtils.getCurrentCPUNode(cpu, ss); | |
8140841e | 47 | int currentThreadNode = KernelEventHandlerUtils.getCurrentThreadNode(cpu, ss); |
c8f45ad2 MK |
48 | |
49 | /* | |
8140841e | 50 | * Mark this SoftIRQ as active in the resource tree. |
c8f45ad2 | 51 | */ |
19ed6598 | 52 | int quark = ss.getQuarkRelativeAndAdd(KernelEventHandlerUtils.getNodeSoftIRQs(cpu, ss), softIrqId.toString()); |
8140841e | 53 | ITmfStateValue value = StateValues.CPU_STATUS_SOFTIRQ_VALUE; |
c8f45ad2 MK |
54 | ss.modifyAttribute(timestamp, value, quark); |
55 | ||
56 | /* Change the status of the running process to interrupted */ | |
c8f45ad2 | 57 | value = StateValues.PROCESS_STATUS_INTERRUPTED_VALUE; |
d3cc952f | 58 | ss.modifyAttribute(timestamp, value, currentThreadNode); |
c8f45ad2 MK |
59 | |
60 | /* Change the status of the CPU to interrupted */ | |
c8f45ad2 | 61 | value = StateValues.CPU_STATUS_SOFTIRQ_VALUE; |
3ba596bc | 62 | ss.modifyAttribute(timestamp, value, currentCPUNode); |
c8f45ad2 MK |
63 | } |
64 | } |