analysis/org.eclipse.tracecompass.analysis.os.linux.core/src/org/eclipse/tracecompass/analysis/os/linux/core/kernelanalysis/StateValues.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2015 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Alexandre Montplaisir - Initial API and implementation
  11  ******************************************************************************/
  12
  13 package org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis;
  14
  15 import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue;
  16 import org.eclipse.tracecompass.statesystem.core.statevalue.TmfStateValue;
  17
  18 /**
  19  * State values that are used in the kernel event handler. It's much better to
  20  * use integer values whenever possible, since those take much less space in the
  21  * history file.
  22  *
  23  * @author Alexandre Montplaisir
  24  */
  25 @SuppressWarnings("javadoc")
  26 public interface StateValues {
  27
  28     /* Process status */
  29     int PROCESS_STATUS_UNKNOWN = 0;
  30     int PROCESS_STATUS_WAIT_BLOCKED = 1;
  31     int PROCESS_STATUS_RUN_USERMODE = 2;
  32     int PROCESS_STATUS_RUN_SYSCALL = 3;
  33     int PROCESS_STATUS_INTERRUPTED = 4;
  34     int PROCESS_STATUS_WAIT_FOR_CPU = 5;
  35     /**
  36      * @since 1.0
  37      */
  38     int PROCESS_STATUS_WAIT_UNKNOWN = 6;
  39
  40     ITmfStateValue PROCESS_STATUS_UNKNOWN_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_UNKNOWN);
  41     /**
  42      * @since 1.0
  43      */
  44     ITmfStateValue PROCESS_STATUS_WAIT_UNKNOWN_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_UNKNOWN);
  45     ITmfStateValue PROCESS_STATUS_WAIT_BLOCKED_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_BLOCKED);
  46     ITmfStateValue PROCESS_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_RUN_USERMODE);
  47     ITmfStateValue PROCESS_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_RUN_SYSCALL);
  48     ITmfStateValue PROCESS_STATUS_INTERRUPTED_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_INTERRUPTED);
  49     ITmfStateValue PROCESS_STATUS_WAIT_FOR_CPU_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_FOR_CPU);
  50
  51     /* CPU Status */
  52     int CPU_STATUS_IDLE = 0;
  53     /**
  54      * Soft IRQ raised, could happen in the CPU attribute but should not since
  55      * this means that the CPU went idle when a softirq was raised.
  56      *
  57      * @since 2.0
  58      */
  59     int CPU_STATUS_SOFT_IRQ_RAISED = (1 << 0);
  60     int CPU_STATUS_RUN_USERMODE = (1 << 1);
  61     int CPU_STATUS_RUN_SYSCALL = (1 << 2);
  62     int CPU_STATUS_SOFTIRQ = (1 << 3);
  63     int CPU_STATUS_IRQ = (1 << 4);
  64
  65     ITmfStateValue CPU_STATUS_IDLE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IDLE);
  66     ITmfStateValue CPU_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_USERMODE);
  67     ITmfStateValue CPU_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_SYSCALL);
  68     ITmfStateValue CPU_STATUS_IRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IRQ);
  69     ITmfStateValue CPU_STATUS_SOFTIRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFTIRQ);
  70
  71     /** Soft IRQ is raised, CPU is in user mode */
  72     ITmfStateValue SOFT_IRQ_RAISED_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFT_IRQ_RAISED);
  73
  74     /**
  75      * If the softirq is running and another is raised at the same time.
  76      *
  77      * @since 2.0
  78      */
  79     ITmfStateValue SOFT_IRQ_RAISED_RUNNING_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFT_IRQ_RAISED | CPU_STATUS_SOFTIRQ);
  80 }