org.eclipse.tracecompass.lttng2.kernel.core/src/org/eclipse/tracecompass/internal/lttng2/kernel/core/trace/layout/LttngEventLayout.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2014 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.trace.layout;
  14
  15 import java.util.Collection;
  16
  17 import org.eclipse.jdt.annotation.NonNull;
  18
  19 import com.google.common.collect.ImmutableList;
  20
  21 /**
  22  * This file defines all the known event and field names for LTTng 2.0 kernel
  23  * traces.
  24  *
  25  * These should not be externalized, since they need to match exactly what the
  26  * tracer outputs. If you want to localize them in a view, you should do a
  27  * mapping in the view itself.
  28  *
  29  * @author Alexandre Montplaisir
  30  */
  31 @SuppressWarnings("nls")
  32 public class LttngEventLayout implements IKernelAnalysisEventLayout {
  33
  34     /* Event names */
  35     private static final String EXIT_SYSCALL = "exit_syscall";
  36     private static final String IRQ_HANDLER_ENTRY = "irq_handler_entry";
  37     private static final String IRQ_HANDLER_EXIT = "irq_handler_exit";
  38     private static final String SOFTIRQ_ENTRY = "softirq_entry";
  39     private static final String SOFTIRQ_EXIT = "softirq_exit";
  40     private static final String SOFTIRQ_RAISE = "softirq_raise";
  41     private static final String SCHED_SWITCH = "sched_switch";
  42
  43     @SuppressWarnings("null")
  44     private static final @NonNull Collection<String> SCHED_WAKEUP_EVENTS = ImmutableList.of("sched_wakeup", "sched_wakeup_new");
  45
  46     private static final String SCHED_PROCESS_FORK = "sched_process_fork";
  47     private static final String SCHED_PROCESS_EXIT = "sched_process_exit";
  48     private static final String SCHED_PROCESS_FREE = "sched_process_free";
  49     private static final String STATEDUMP_PROCESS_STATE = "lttng_statedump_process_state";
  50
  51     private static final String SYSCALL_PREFIX = "sys_";
  52     private static final String COMPAT_SYSCALL_PREFIX = "compat_sys_";
  53
  54     /* Field names */
  55     private static final String IRQ = "irq";
  56     private static final String TID = "tid";
  57     private static final String VEC = "vec";
  58     private static final String PREV_TID = "prev_tid";
  59     private static final String PREV_STATE = "prev_state";
  60     private static final String NEXT_COMM = "next_comm";
  61     private static final String NEXT_TID = "next_tid";
  62     private static final String PARENT_TID = "parent_tid";
  63     private static final String CHILD_COMM = "child_comm";
  64     private static final String CHILD_TID = "child_tid";
  65
  66     /** All instances are the same. Only provide a static instance getter */
  67     private LttngEventLayout() {
  68     }
  69
  70     private static final IKernelAnalysisEventLayout INSTANCE = new LttngEventLayout();
  71
  72     /**
  73      * Get an instance of this event layout
  74      *
  75      * This object is completely immutable, so no need to create additional
  76      * instances via the constructor.
  77      *
  78      * @return The instance
  79      */
  80     public static IKernelAnalysisEventLayout getInstance() {
  81         return INSTANCE;
  82     }
  83
  84     // ------------------------------------------------------------------------
  85     // Event names
  86     // ------------------------------------------------------------------------
  87
  88     @Override
  89     public String eventIrqHandlerEntry() {
  90         return IRQ_HANDLER_ENTRY;
  91     }
  92
  93     @Override
  94     public String eventIrqHandlerExit() {
  95         return IRQ_HANDLER_EXIT;
  96     }
  97
  98     @Override
  99     public String eventSoftIrqEntry() {
 100         return SOFTIRQ_ENTRY;
 101     }
 102
 103     @Override
 104     public String eventSoftIrqExit() {
 105         return SOFTIRQ_EXIT;
 106     }
 107
 108     @Override
 109     public String eventSoftIrqRaise() {
 110         return SOFTIRQ_RAISE;
 111     }
 112
 113     @Override
 114     public String eventSchedSwitch() {
 115         return SCHED_SWITCH;
 116     }
 117
 118     @Override
 119     public Collection<String> eventsSchedWakeup() {
 120         return SCHED_WAKEUP_EVENTS;
 121     }
 122
 123     @Override
 124     public String eventSchedProcessFork() {
 125         return SCHED_PROCESS_FORK;
 126     }
 127
 128     @Override
 129     public String eventSchedProcessExit() {
 130         return SCHED_PROCESS_EXIT;
 131     }
 132
 133     @Override
 134     public String eventSchedProcessFree() {
 135         return SCHED_PROCESS_FREE;
 136     }
 137
 138     @Override
 139     public String eventStatedumpProcessState() {
 140         return STATEDUMP_PROCESS_STATE;
 141     }
 142     @Override
 143     public String eventSyscallExit() {
 144         return EXIT_SYSCALL;
 145     }
 146
 147     @Override
 148     public String eventSyscallEntryPrefix() {
 149         return SYSCALL_PREFIX;
 150     }
 151
 152     @Override
 153     public String eventCompatSyscallEntryPrefix() {
 154         return COMPAT_SYSCALL_PREFIX;
 155     }
 156
 157     // ------------------------------------------------------------------------
 158     // Event field names
 159     // ------------------------------------------------------------------------
 160
 161     @Override
 162     public String fieldIrq() {
 163         return IRQ;
 164     }
 165
 166     @Override
 167     public String fieldVec() {
 168         return VEC;
 169     }
 170
 171     @Override
 172     public String fieldTid() {
 173         return TID;
 174     }
 175
 176     @Override
 177     public String fieldPrevTid() {
 178         return PREV_TID;
 179     }
 180
 181     @Override
 182     public String fieldPrevState() {
 183         return PREV_STATE;
 184     }
 185
 186     @Override
 187     public String fieldNextComm() {
 188         return NEXT_COMM;
 189     }
 190
 191     @Override
 192     public String fieldNextTid() {
 193         return NEXT_TID;
 194     }
 195
 196     @Override
 197     public String fieldChildComm() {
 198         return CHILD_COMM;
 199     }
 200
 201     @Override
 202     public String fieldParentTid() {
 203         return PARENT_TID;
 204     }
 205
 206     @Override
 207     public String fieldChildTid() {
 208         return CHILD_TID;
 209     }
 210
 211 }