analysis/org.eclipse.tracecompass.analysis.os.linux.core/src/org/eclipse/tracecompass/internal/analysis/os/linux/core/kernel/handlers/ProcessFreeHandler.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.trace.IKernelAnalysisEventLayout;
  16 import org.eclipse.tracecompass.statesystem.core.ITmfStateSystemBuilder;
  17 import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException;
  18 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  19
  20 /**
  21  * Process free event handler
  22  */
  23 public class ProcessFreeHandler extends KernelEventHandler {
  24
  25     /**
  26      * Constructor
  27      *
  28      * @param layout
  29      *            event layout
  30      */
  31     public ProcessFreeHandler(IKernelAnalysisEventLayout layout) {
  32         super(layout);
  33     }
  34
  35     @Override
  36     public void handleEvent(ITmfStateSystemBuilder ss, ITmfEvent event) throws AttributeNotFoundException {
  37
  38         Integer tid = ((Long) event.getContent().getField(getLayout().fieldTid()).getValue()).intValue();
  39         /*
  40          * Remove the process and all its sub-attributes from the current state
  41          */
  42         int quark = ss.getQuarkRelativeAndAdd(KernelEventHandlerUtils.getNodeThreads(ss), tid.toString());
  43         ss.removeAttribute(KernelEventHandlerUtils.getTimestamp(event), quark);
  44     }
  45 }