Examples with CpuUsageDataProvider org.eclipse.tracecompass.internal.analysis.os.linux.core.cpuusage.CpuUsageDataProvider used on opensource projects

Example 1 with CpuUsageDataProvider

use of org.eclipse.tracecompass.internal.analysis.os.linux.core.cpuusage.CpuUsageDataProvider in project tracecompass by tracecompass.

the class CPUAnalysisBenchmark method benchmarkCPUModule.

@SuppressWarnings("restriction")
private static void benchmarkCPUModule(String testName, @NonNull LttngKernelTrace trace, int loopCount) throws TmfAnalysisException {
    Performance perf = Performance.getDefault();
    PerformanceMeter pmAnalysisExecution = perf.createPerformanceMeter(TEST_ID + testName + ": " + TEST_ANALYSIS_EXECUTION);
    perf.tagAsSummary(pmAnalysisExecution, TEST_ANALYSIS_EXECUTION + '(' + testName + ')', Dimension.CPU_TIME);
    PerformanceMeter pmQueryUsage = perf.createPerformanceMeter(TEST_ID + testName + ": " + TEST_ANALYSIS_QUERY);
    perf.tagAsSummary(pmQueryUsage, TEST_ANALYSIS_QUERY + '(' + testName + ')', Dimension.CPU_TIME);
    for (int i = 0; i < loopCount; i++) {
        KernelCpuUsageAnalysis module = getModule(trace);
        try {
            pmAnalysisExecution.start();
            TmfTestHelper.executeAnalysis(module);
            pmAnalysisExecution.stop();
            CpuUsageDataProvider dataProvider = CpuUsageDataProvider.create(trace);
            assertNotNull(dataProvider);
            // Query all CPU Usage for full time range, then 10 times 10%
            // smaller ranges
            int resolution = 1500;
            long startTime = trace.getStartTime().toNanos();
            long endTime = trace.getEndTime().toNanos();
            pmQueryUsage.start();
            for (int j = 0; j < 10; j++) {
                // Query the tree for that range
                TimeQueryFilter filter = new SelectedCpuQueryFilter(startTime, endTime, 2, Collections.emptyList(), Collections.emptySet());
                @NonNull Map<@NonNull String, @NonNull Object> parameters = new HashMap<>();
                parameters.put(DataProviderParameterUtils.REQUESTED_TIME_KEY, getTimeRequested(filter));
                parameters.put(DataProviderParameterUtils.REQUESTED_ITEMS_KEY, Collections.emptyList());
                parameters.put("cpus", Collections.emptySet());
                TmfModelResponse<@NonNull TmfTreeModel<@NonNull CpuUsageEntryModel>> response = dataProvider.fetchTree(parameters, NULL_MONITOR);
                TmfTreeModel<@NonNull CpuUsageEntryModel> model = response.getModel();
                assertNotNull(model);
                List<CpuUsageEntryModel> entries = model.getEntries();
                assertNotNull(entries);
                // Add all entries to the list of selected
                List<Long> selected = new ArrayList<>();
                for (CpuUsageEntryModel entry : entries) {
                    selected.add(entry.getId());
                }
                // Get the usage for all threads
                filter = new SelectedCpuQueryFilter(startTime, endTime, resolution, selected, Collections.emptySet());
                parameters = new HashMap<>();
                parameters.put(DataProviderParameterUtils.REQUESTED_TIME_KEY, getTimeRequested(filter));
                parameters.put(DataProviderParameterUtils.REQUESTED_ITEMS_KEY, selected);
                parameters.put("cpus", Collections.emptySet());
                TmfModelResponse<@NonNull ITmfXyModel> fetchXY = dataProvider.fetchXY(parameters, NULL_MONITOR);
                ITmfXyModel model2 = fetchXY.getModel();
                assertNotNull(model2);
                // Reduce the time range
                long step = (endTime - startTime) / 20;
                startTime += step;
                endTime -= step;
            }
            pmQueryUsage.stop();
        } finally {
            module.dispose();
        }
    }
    pmAnalysisExecution.commit();
    pmQueryUsage.commit();
}

Example 2 with CpuUsageDataProvider

use of org.eclipse.tracecompass.internal.analysis.os.linux.core.cpuusage.CpuUsageDataProvider in project tracecompass by tracecompass.

the class CpuUsageDataProviderTest method testTree.

/**
 * Test the
 * {@link CpuUsageDataProvider#fetchTree(Map, IProgressMonitor)}
 * method.
 * <p>
 */
@Test
public void testTree() {
    CpuUsageDataProvider dataProvider = fDataProvider;
    IProgressMonitor monitor = new NullProgressMonitor();
    /* This range should query the total range */
    TimeQueryFilter filter = new SelectedCpuQueryFilter(0L, 30L, 2, Collections.emptyList(), Collections.emptySet());
    @NonNull Map<@NonNull String, @NonNull Object> parameters = new HashMap<>();
    parameters.put(DataProviderParameterUtils.REQUESTED_TIME_KEY, getTimeRequested(filter));
    parameters.put(DataProviderParameterUtils.REQUESTED_ITEMS_KEY, Collections.emptyList());
    parameters.put("cpus", Collections.emptySet());
    TmfModelResponse<@NonNull TmfTreeModel<@NonNull CpuUsageEntryModel>> response = dataProvider.fetchTree(parameters, monitor);
    assertTrue(response.getStatus() == Status.COMPLETED);
    TmfTreeModel<@NonNull CpuUsageEntryModel> model = response.getModel();
    assertNotNull(model);
    /* Maps a tid to the total time */
    Map<Integer, Long> expected = new HashMap<>();
    expected.put(1, 5L);
    expected.put(2, 19L);
    expected.put(3, 11L);
    expected.put(4, 13L);
    expected.put(-2, 48L);
    compareModel(expected, model);
    /* Verify a range when a process runs at the start */
    filter = new SelectedCpuQueryFilter(22L, 25L, 2, Collections.emptyList(), Collections.emptySet());
    parameters.put(DataProviderParameterUtils.REQUESTED_TIME_KEY, getTimeRequested(filter));
    response = dataProvider.fetchTree(parameters, monitor);
    assertTrue(response.getStatus() == Status.COMPLETED);
    model = response.getModel();
    assertNotNull(model);
    /* Maps a tid to the total time */
    expected.clear();
    expected.put(3, 3L);
    expected.put(4, 3L);
    expected.put(-2, 6L);
    compareModel(expected, model);
    /* Verify a range when a process runs at the end */
    filter = new SelectedCpuQueryFilter(1L, 4L, 2, Collections.emptyList(), Collections.emptySet());
    parameters.put(DataProviderParameterUtils.REQUESTED_TIME_KEY, getTimeRequested(filter));
    response = dataProvider.fetchTree(parameters, monitor);
    assertTrue(response.getStatus() == Status.COMPLETED);
    model = response.getModel();
    assertNotNull(model);
    /* Maps a tid to the total time */
    expected.clear();
    expected.put(2, 3L);
    expected.put(3, 1L);
    expected.put(4, 2L);
    expected.put(-2, 6L);
    compareModel(expected, model);
    /* Verify a range when a process runs at start and at the end */
    filter = new SelectedCpuQueryFilter(4L, 13L, 2, Collections.emptyList(), Collections.emptySet());
    parameters.put(DataProviderParameterUtils.REQUESTED_TIME_KEY, getTimeRequested(filter));
    response = dataProvider.fetchTree(parameters, monitor);
    assertTrue(response.getStatus() == Status.COMPLETED);
    model = response.getModel();
    assertNotNull(model);
    /* Maps a tid to the total time */
    expected.clear();
    expected.put(2, 9L);
    expected.put(3, 5L);
    expected.put(4, 4L);
    expected.put(-2, 18L);
    compareModel(expected, model);
}