analysis/org.eclipse.tracecompass.analysis.os.linux.core/src/org/eclipse/tracecompass/internal/analysis/os/linux/core/kernel/handlers/SoftIrqRaiseHandler.java

   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
  15 import org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis.StateValues;
  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;
  20 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  21
  22 /**
  23  * Raise a soft irq event
  24  */
  25 public class SoftIrqRaiseHandler extends KernelEventHandler {
  26
  27     /**
  28      * Constructor
  29      * @param layout event layout
  30      */
  31     public SoftIrqRaiseHandler(IKernelAnalysisEventLayout layout) {
  32         super(layout);
  33     }
  34
  35     @Override
  36     public void handleEvent(ITmfStateSystemBuilder ss, ITmfEvent event) throws AttributeNotFoundException {
  37         Integer softIrqId = ((Long) event.getContent().getField(getLayout().fieldVec()).getValue()).intValue();
  38
  39         /*
  40          * Mark this SoftIRQ as *raised* in the resource tree. State value = -2
  41          */
  42         int quark = ss.getQuarkRelativeAndAdd(KernelEventHandlerUtils.getNodeSoftIRQs(ss), softIrqId.toString());
  43         ITmfStateValue value = StateValues.SOFT_IRQ_RAISED_VALUE;
  44         ss.modifyAttribute(KernelEventHandlerUtils.getTimestamp(event), value, quark);
  45     }
  46 }