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/*******************************************************************************
* Copyright (c) 2017 Ericsson
*
* All rights reserved. This program and the accompanying materials are made
* available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.tracecompass.incubator.traceevent.core.tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.tracecompass.incubator.internal.traceevent.core.trace.TraceEventTrace;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp;
import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp;
import org.eclipse.tracecompass.tmf.core.trace.ITmfContext;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.junit.Test;
import com.google.common.collect.ImmutableSet;
/**
* Test reading real traces
*
* @author Matthew Khouzam
*
*/
public class TraceEventTraceTest {
/**
* Test reading an event and get the aspects
*
* @throws TmfTraceException
* file error
*/
@Test
public void testEvent() throws TmfTraceException {
String path = "traces/simple-in-order.json";
Map<String, ITmfEventAspect<?>> eventAspects = getEventAspects(path);
ITmfEvent event = getFirstEvent(path);
assertNotNull(event);
ImmutableSet<String> aspectNames = ImmutableSet.of("Thread ID", "Args", "Phase", "Category", "PID", "Duration", "ID", "Callsite", "Timestamp", "LogLevel", "Name");
assertEquals(aspectNames, eventAspects.keySet());
testAspect(eventAspects.get("Thread ID"), event, 0);
testAspect(eventAspects.get("Phase"), event, "C");
testAspect(eventAspects.get("Category"), event, null);
testAspect(eventAspects.get("Name"), event, "foo");
testAspect(eventAspects.get("PID"), event, "0");
testAspect(eventAspects.get("Timestamp"), event, TmfTimestamp.fromNanos(0));
testAspect(eventAspects.get("Duration"), event, null);
testAspect(eventAspects.get("LogLevel"), event, java.util.logging.Level.INFO);
testAspect(eventAspects.get("Callsite"), event, null);
testAspect(eventAspects.get("Args"), event, Collections.singletonMap("value", "1"));
}
private static void testAspect(ITmfEventAspect<?> eventAspect, ITmfEvent event, Object expected) {
assertNotNull(event);
assertNotNull(eventAspect);
assertEquals(expected, eventAspect.resolve(event));
}
/**
* Test a simple in order json trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testSimpleInOrder() throws TmfTraceException {
String path = "traces/simple-in-order.json";
int nbEvents = 8;
ITmfTimestamp startTime = TmfTimestamp.fromNanos(0);
ITmfTimestamp endTime = TmfTimestamp.fromMicros(77);
testTrace(path, nbEvents, startTime, endTime);
}
/**
* Test a simple out of order trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testSimpleOutOfOrder() throws TmfTraceException {
String path = "traces/simple-out-of-order.json";
int nbEvents = 8;
ITmfTimestamp startTime = TmfTimestamp.fromNanos(0);
ITmfTimestamp endTime = TmfTimestamp.fromMicros(77);
testTrace(path, nbEvents, startTime, endTime);
}
/**
* Test async begin and end trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testAsyncBeginEnd() throws TmfTraceException {
String path = "traces/async_begin_end.json";
int nbEvents = 23;
ITmfTimestamp startTime = TmfTimestamp.fromMicros(50);
ITmfTimestamp endTime = TmfTimestamp.fromMicros(900);
testTrace(path, nbEvents, startTime, endTime);
}
/**
* Test a "big" trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testBigTrace() throws TmfTraceException {
String path = "traces/big_trace.json";
int nbEvents = 1866;
ITmfTimestamp startTime = TmfTimestamp.fromMicros(438877834451L);
ITmfTimestamp endTime = TmfTimestamp.fromMicros(438881451344L);
testTrace(path, nbEvents, startTime, endTime);
}
/**
* Test a chromeOs system trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testChromeosTrace() throws TmfTraceException {
String path = "traces/chromeos_system_trace.json";
int nbEvents = 36;
ITmfTimestamp startTime = TmfTimestamp.fromNanos(0);
ITmfTimestamp endTime = TmfTimestamp.fromMicros(5443672642443L);
testTrace(path, nbEvents, startTime, endTime);
}
private static void testTrace(String path, int nbEvents, ITmfTimestamp startTime, ITmfTimestamp endTime) throws TmfTraceException {
ITmfTrace trace = new TraceEventTrace();
try {
assertTrue(trace.validate(null, path).isOK());
trace.initTrace(null, path, ITmfEvent.class);
ITmfContext context = trace.seekEvent(0.0);
ITmfEvent event = trace.getNext(context);
long count = 0;
long prevTs = -1;
while (event != null) {
count++;
@NonNull
ITmfTimestamp currentTime = event.getTimestamp();
assertNotNull("Event has a timestamp", currentTime);
assertTrue("Monotonic events", currentTime.toNanos() >= prevTs);
prevTs = currentTime.toNanos();
event = trace.getNext(context);
}
assertEquals(nbEvents, count);
assertEquals(nbEvents, trace.getNbEvents());
assertEquals(startTime.toNanos(), trace.getStartTime().toNanos());
assertEquals(endTime.toNanos(), trace.getEndTime().toNanos());
} finally {
trace.dispose();
}
}
private static Map<String, ITmfEventAspect<?>> getEventAspects(String path) {
ITmfTrace trace = new TraceEventTrace();
Map<String, ITmfEventAspect<?>> returnValues = new HashMap<>();
for (@NonNull
ITmfEventAspect<?> aspect : trace.getEventAspects()) {
returnValues.put(aspect.getName(), aspect);
}
trace.dispose();
return returnValues;
}
private static ITmfEvent getFirstEvent(String path) throws TmfTraceException {
ITmfTrace trace = new TraceEventTrace();
try {
trace.initTrace(null, path, ITmfEvent.class);
return trace.getNext(trace.seekEvent(0.0));
} finally {
trace.dispose();
}
}
}
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