| /******************************************************************************* |
| * Copyright (c) 2015 École Polytechnique de Montréal |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Alexis Cabana-Loriaux - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.lttng2.kernel.core.tests.perf.analysis; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.File; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.eclipse.jdt.annotation.NonNullByDefault; |
| import org.eclipse.test.performance.Dimension; |
| import org.eclipse.test.performance.Performance; |
| import org.eclipse.test.performance.PerformanceMeter; |
| import org.eclipse.tracecompass.lttng2.kernel.core.trace.LttngKernelTrace; |
| import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace; |
| import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException; |
| import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException; |
| import org.eclipse.tracecompass.tmf.core.statistics.ITmfStatistics; |
| import org.eclipse.tracecompass.tmf.core.statistics.TmfStatisticsModule; |
| import org.eclipse.tracecompass.tmf.core.tests.shared.TmfTestHelper; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent; |
| import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTraceUtils; |
| import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| /** |
| * This is a test of the time to build a statistics module |
| * |
| * @author Alexis Cabana-Loriaux |
| */ |
| @NonNullByDefault |
| public class StatisticsAnalysisBenchmark { |
| |
| private static final String TEST_ID = "org.eclipse.linuxtools#Statistics analysis"; |
| private static final int LOOP_COUNT = 25; |
| |
| /* Event Tests */ |
| private static final Map<String, Long> fDjangoClientEntriesToTest = new HashMap<>(); |
| private static final Map<String, Long> fDjangoHttpdEntriesToTest = new HashMap<>(); |
| |
| /** |
| * Build the tests |
| */ |
| @BeforeClass |
| public static void buildTest() { |
| /* |
| * test cases map for the Django-client trace |
| */ |
| fDjangoClientEntriesToTest.put("exit_syscall", 234013L); |
| fDjangoClientEntriesToTest.put("sys_recvfrom", 133517L); |
| fDjangoClientEntriesToTest.put("irq_handler_exit", 62743L); |
| fDjangoClientEntriesToTest.put("irq_handler_entry", 62743L); |
| fDjangoClientEntriesToTest.put("softirq_entry", 39627L); |
| |
| /* |
| * test cases map for the Django-Httpd trace |
| */ |
| fDjangoHttpdEntriesToTest.put("exit_syscall", 174802L); |
| fDjangoHttpdEntriesToTest.put("inet_sock_local_out", 36195L); |
| fDjangoHttpdEntriesToTest.put("irq_handler_exit", 93040L); |
| fDjangoHttpdEntriesToTest.put("irq_handler_entry", 93040L); |
| fDjangoHttpdEntriesToTest.put("softirq_entry", 63062L); |
| } |
| |
| /** |
| * Run the benchmark with "django-client" |
| */ |
| @Test |
| public void testDjangoClient() { |
| runTest(CtfTestTrace.DJANGO_CLIENT, "Django-client trace", fDjangoClientEntriesToTest); |
| } |
| |
| /** |
| * Run the benchmark with "django-Httpd" |
| */ |
| @Test |
| public void testDjangoHttpd() { |
| runTest(CtfTestTrace.DJANGO_HTTPD, "Django-Httpd trace", fDjangoHttpdEntriesToTest); |
| } |
| |
| private static void runTest(CtfTestTrace testTrace, String testName, Map<String, Long> testCases) { |
| Performance perf = Performance.getDefault(); |
| PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + '#' + testName); |
| perf.tagAsSummary(pm, "Statistics Analysis: " + testName, Dimension.CPU_TIME); |
| |
| if (testTrace == CtfTestTrace.DJANGO_CLIENT || testTrace == CtfTestTrace.DJANGO_HTTPD) { |
| /* Do not show all traces in the global summary */ |
| perf.tagAsGlobalSummary(pm, "Statistics Analysis: " + testName, Dimension.CPU_TIME); |
| } |
| |
| for (int i = 0; i < LOOP_COUNT; i++) { |
| LttngKernelTrace trace = null; |
| TmfStatisticsModule module = null; |
| try { |
| trace = new LttngKernelTrace(); |
| module = new TmfStatisticsModule(); |
| module.setId("test"); |
| |
| // TODO Allow the utility method to return a LttngKernelTrace directly |
| CtfTmfTrace ctfTmfTrace = CtfTmfTestTraceUtils.getTrace(testTrace); |
| trace.initTrace(null, ctfTmfTrace.getPath(), CtfTmfEvent.class); |
| module.setTrace(trace); |
| |
| pm.start(); |
| TmfTestHelper.executeAnalysis(module); |
| pm.stop(); |
| ITmfStatistics stats = module.getStatistics(); |
| if (stats == null) { |
| throw new IllegalStateException(); |
| } |
| Map<String, Long> map = stats.getEventTypesTotal(); |
| /* |
| * Test each of the entries |
| */ |
| try { |
| for (Entry<String, Long> entry : testCases.entrySet()) { |
| Long value = map.get(entry.getKey()); |
| assertNotNull(value); |
| assertTrue(value.equals(entry.getValue())); |
| } |
| } catch (NullPointerException e) { |
| fail(e.getMessage()); |
| } |
| /* |
| * Delete the supplementary files, so that the next iteration |
| * rebuilds the state system. |
| */ |
| File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(trace)); |
| for (File file : suppDir.listFiles()) { |
| file.delete(); |
| } |
| |
| } catch (TmfAnalysisException | TmfTraceException e) { |
| fail(e.getMessage()); |
| } finally { |
| if (module != null) { |
| module.dispose(); |
| } |
| if (trace != null) { |
| trace.dispose(); |
| } |
| } |
| } |
| pm.commit(); |
| CtfTmfTestTraceUtils.dispose(testTrace); |
| } |
| } |