org.eclipse.tracecompass.lttng2.kernel.core/src/org/eclipse/tracecompass/internal/lttng2/kernel/core/StateValues.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 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.internal.lttng2.kernel.core;
  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 alexmont
  24  *
  25  */
  26 @SuppressWarnings("javadoc")
  27 public interface StateValues {
  28
  29     /* CPU Status */
  30     static final int CPU_STATUS_IDLE = 0;
  31     static final int CPU_STATUS_RUN_USERMODE = 1;
  32     static final int CPU_STATUS_RUN_SYSCALL = 2;
  33     static final int CPU_STATUS_IRQ = 3;
  34     static final int CPU_STATUS_SOFTIRQ = 4;
  35
  36     static final ITmfStateValue CPU_STATUS_IDLE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IDLE);
  37     static final ITmfStateValue CPU_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_USERMODE);
  38     static final ITmfStateValue CPU_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_SYSCALL);
  39     static final ITmfStateValue CPU_STATUS_IRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IRQ);
  40     static final ITmfStateValue CPU_STATUS_SOFTIRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFTIRQ);
  41
  42     /* Process status */
  43     static final int PROCESS_STATUS_UNKNOWN = 0;
  44     static final int PROCESS_STATUS_WAIT_BLOCKED = 1;
  45     static final int PROCESS_STATUS_RUN_USERMODE = 2;
  46     static final int PROCESS_STATUS_RUN_SYSCALL = 3;
  47     static final int PROCESS_STATUS_INTERRUPTED = 4;
  48     static final int PROCESS_STATUS_WAIT_FOR_CPU = 5;
  49
  50     static final ITmfStateValue PROCESS_STATUS_UNKNOWN_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_UNKNOWN);
  51     static final ITmfStateValue PROCESS_STATUS_WAIT_BLOCKED_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_BLOCKED);
  52     static final ITmfStateValue PROCESS_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_RUN_USERMODE);
  53     static final ITmfStateValue PROCESS_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_RUN_SYSCALL);
  54     static final ITmfStateValue PROCESS_STATUS_INTERRUPTED_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_INTERRUPTED);
  55     static final ITmfStateValue PROCESS_STATUS_WAIT_FOR_CPU_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_FOR_CPU);
  56
  57     /* SoftIRQ-specific stuff. -1: null/disabled, >= 0: running on that CPU */
  58     static final int SOFT_IRQ_RAISED = -2;
  59
  60     static final ITmfStateValue SOFT_IRQ_RAISED_VALUE = TmfStateValue.newValueInt(SOFT_IRQ_RAISED);
  61 }