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

   1 /*******************************************************************************
   2  * Copyright (c) 2015 EfficiOS Inc., Alexandre Montplaisir
   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  *    Alexandre Montplaisir - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.analysis.os.linux.core.kernelanalysis;
  14
  15 /**
  16  * Definitions of values used in the Linux kernel code.
  17  *
  18  * Instead of using "magic numbers" in state providers, the definitions should
  19  * be added here first.
  20  *
  21  * @author Alexandre Montplaisir
  22  */
  23 @SuppressWarnings("javadoc")
  24 public interface LinuxValues {
  25
  26     /*
  27      * Process states found in scheduler events.
  28      *
  29      * From include/linux/sched.h
  30      *
  31      * #define TASK_RUNNING 0
  32      * #define TASK_INTERRUPTIBLE 1
  33      * #define TASK_UNINTERRUPTIBLE 2
  34      * #define __TASK_STOPPED 4
  35      * #define __TASK_TRACED 8
  36      * #define EXIT_DEAD 16
  37      * #define EXIT_ZOMBIE 32
  38      * #define EXIT_TRACE (EXIT_ZOMBIE | EXIT_DEAD)
  39      * #define TASK_DEAD 64
  40      * #define TASK_WAKEKILL 128
  41      * #define TASK_WAKING 256
  42      * #define TASK_PARKED 512
  43      * #define TASK_STATE_MAX 1024
  44      */
  45     int TASK_STATE_RUNNING = 0;
  46     int TASK_STATE_MAX = 1024;
  47
  48     /*
  49      * Process statuses, used in LTTng statedump events.
  50      *
  51      * This is LTTng-specific, but the statedump are handled at this level, so
  52      * it makes sense to add those definitions here.
  53      *
  54      * Taken from lttng-module's lttng-statedump-impl.c:
  55      *
  56      * enum lttng_process_status {
  57      *     LTTNG_UNNAMED = 0,
  58      *     LTTNG_WAIT_FORK = 1,
  59      *     LTTNG_WAIT_CPU = 2,
  60      *     LTTNG_EXIT = 3,
  61      *     LTTNG_ZOMBIE = 4,
  62      *     LTTNG_WAIT = 5,
  63      *     LTTNG_RUN = 6,
  64      *     LTTNG_DEAD = 7,
  65      * };
  66      */
  67     int STATEDUMP_PROCESS_STATUS_WAIT_CPU = 2;
  68     int STATEDUMP_PROCESS_STATUS_WAIT = 5;
  69 }