Examples with Task com.google.devtools.build.lib.profiler.ProfileInfo.Task used on opensource projects

Example 6 with Task

use of com.google.devtools.build.lib.profiler.ProfileInfo.Task in project bazel by bazelbuild.

the class ProfileCommand method dumpTask.

/**
   * Dumps the task information and all subtasks.
   */
private void dumpTask(ProfileInfo.Task task, PrintStream out, int indent) {
    StringBuilder builder = new StringBuilder(String.format(Joiner.on('\n').join("", "%s %s", "Thread: %-6d  Id: %-6d  Parent: %d", "Start time: %-12s   Duration: %s"), task.type, task.getDescription(), task.threadId, task.id, task.parentId, TimeUtilities.prettyTime(task.startTime), TimeUtilities.prettyTime(task.durationNanos)));
    if (task.hasStats()) {
        builder.append("\n");
        ProfileInfo.AggregateAttr[] stats = task.getStatAttrArray();
        for (ProfilerTask type : ProfilerTask.values()) {
            ProfileInfo.AggregateAttr attr = stats[type.ordinal()];
            if (attr != null) {
                builder.append(type.toString().toLowerCase()).append("=(").append(attr.count).append(", ").append(TimeUtilities.prettyTime(attr.totalTime)).append(") ");
            }
        }
    }
    out.println(StringUtil.indent(builder.toString(), indent));
    for (ProfileInfo.Task subtask : task.subtasks) {
        dumpTask(subtask, out, indent + 1);
    }
}

Example 7 with Task

use of com.google.devtools.build.lib.profiler.ProfileInfo.Task in project bazel by bazelbuild.

the class DetailedChartCreator method create.

@Override
public Chart create() {
    Chart chart = new Chart();
    CommonChartCreator.createCommonChartItems(chart, info);
    createTypes(chart);
    // calculate the critical path
    EnumSet<ProfilerTask> typeFilter = EnumSet.noneOf(ProfilerTask.class);
    CriticalPathEntry criticalPath = info.getCriticalPath(typeFilter);
    info.analyzeCriticalPath(typeFilter, criticalPath);
    for (Task task : info.allTasksById) {
        String label = task.type.description + ": " + task.getDescription();
        ChartBarType type = chart.lookUpType(task.type.description);
        long stop = task.startTime + task.durationNanos;
        CriticalPathEntry entry = null;
        // for top level tasks, check if they are on the critical path
        if (task.parentId == 0 && criticalPath != null) {
            entry = info.getNextCriticalPathEntryForTask(criticalPath, task);
            // find next top-level entry
            if (entry != null) {
                CriticalPathEntry nextEntry = entry.next;
                while (nextEntry != null && nextEntry.task.parentId != 0) {
                    nextEntry = nextEntry.next;
                }
                if (nextEntry != null) {
                    // time is start and not stop as we traverse the critical back backwards
                    chart.addVerticalLine(task.threadId, nextEntry.task.threadId, task.startTime);
                }
            }
        }
        chart.addBar(task.threadId, task.startTime, stop, type, (entry != null), label);
    }
    return chart;
}

Example 8 with Task

use of com.google.devtools.build.lib.profiler.ProfileInfo.Task in project bazel by bazelbuild.

the class SkylarkStatistics method addDurations.

/**
   * Add all new durations to previously collected durations for all functions mapped to tasks.
   * @return The sum of the execution times of all {@link Task} values in the map.
   */
private static long addDurations(Multimap<String, Task> functionTasks, Map<String, LongArrayList> durationsMap, Map<String, LongArrayList> selfDurationsMap) {
    long totalTime = 0;
    for (Entry<String, Collection<Task>> entry : functionTasks.asMap().entrySet()) {
        String function = entry.getKey();
        Collection<Task> tasks = entry.getValue();
        LongArrayList durations;
        LongArrayList selfDurations;
        if (durationsMap.containsKey(function)) {
            durations = durationsMap.get(function);
            selfDurations = selfDurationsMap.get(function);
        } else {
            durations = new LongArrayList(tasks.size());
            selfDurations = new LongArrayList(tasks.size());
            durationsMap.put(function, durations);
            selfDurationsMap.put(function, selfDurations);
        }
        totalTime += addDurations(tasks, durations, selfDurations);
    }
    return totalTime;
}

Example 9 with Task

use of com.google.devtools.build.lib.profiler.ProfileInfo.Task in project bazel by bazelbuild.

the class ProfileCommand method printTaskTree.

/**
   * Prints trees rooted at tasks with a description matching a pattern.
   * @see Task#printTaskTree(PrintStream, long)
   */
private void printTaskTree(PrintStream out, String fileName, ProfileInfo info, Pattern taskPattern, long taskDurationThreshold) {
    Iterable<Task> tasks = info.findTasksByDescription(taskPattern);
    if (Iterables.isEmpty(tasks)) {
        out.printf("No tasks matching %s found in profile file %s.", taskPattern, fileName);
        out.println();
    } else {
        int skipped = 0;
        for (Task task : tasks) {
            if (!task.printTaskTree(out, taskDurationThreshold)) {
                skipped++;
            }
        }
        if (skipped > 0) {
            out.printf("Skipped %d matching task(s) below the duration threshold.", skipped);
        }
        out.println();
    }
}