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[GR-11160] Json output for CPU Sampler.
PullRequest: graal/1975
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...uffle.tools.profiler.test/src/com/oracle/truffle/tools/profiler/test/ProfilerCLITest.java
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| /* | ||
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
| package com.oracle.truffle.tools.profiler.test; | ||
|
|
||
| import java.io.ByteArrayOutputStream; | ||
| import java.util.Collection; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import org.graalvm.polyglot.Context; | ||
| import org.graalvm.polyglot.Source; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
|
|
||
| import com.oracle.truffle.api.instrumentation.test.InstrumentationTestLanguage; | ||
| import com.oracle.truffle.api.source.SourceSection; | ||
| import com.oracle.truffle.tools.profiler.CPUSampler; | ||
| import com.oracle.truffle.tools.profiler.ProfilerNode; | ||
| import com.oracle.truffle.tools.utils.json.JSONArray; | ||
| import com.oracle.truffle.tools.utils.json.JSONObject; | ||
|
|
||
| public class ProfilerCLITest { | ||
|
|
||
| protected Source makeSource(String s) { | ||
| return Source.newBuilder(InstrumentationTestLanguage.ID, s, "test").buildLiteral(); | ||
| } | ||
|
|
||
| @Test | ||
| public void testSamplerJson() { | ||
| final ByteArrayOutputStream out = new ByteArrayOutputStream(); | ||
| final ByteArrayOutputStream err = new ByteArrayOutputStream(); | ||
| Context context = Context.newBuilder().in(System.in).out(out).err(err).option("cpusampler", "true").option("cpusampler.Output", "json").build(); | ||
| Source defaultSourceForSampling = makeSource("ROOT(" + | ||
| "DEFINE(foo,ROOT(SLEEP(1)))," + | ||
| "DEFINE(bar,ROOT(BLOCK(STATEMENT,LOOP(10, CALL(foo)))))," + | ||
| "DEFINE(baz,ROOT(BLOCK(STATEMENT,LOOP(10, CALL(bar)))))," + | ||
| "CALL(baz),CALL(bar)" + | ||
| ")"); | ||
| for (int i = 0; i < 10; i++) { | ||
| context.eval(defaultSourceForSampling); | ||
| } | ||
| CPUSampler sampler = CPUSampler.find(context.getEngine()); | ||
| Map<Thread, Collection<ProfilerNode<CPUSampler.Payload>>> threadToNodesMap = sampler.getThreadToNodesMap(); | ||
| final long period = sampler.getPeriod(); | ||
| final long sampleCount = sampler.getSampleCount(); | ||
| final boolean gatherSelfHitTimes = sampler.isGatherSelfHitTimes(); | ||
| context.close(); | ||
| JSONObject output = new JSONObject(out.toString()); | ||
|
|
||
| Assert.assertEquals("Period wrong in json", period, Long.valueOf((Integer) output.get("period")).longValue()); | ||
| Assert.assertEquals("Sample count not correct in json", sampleCount, Long.valueOf((Integer) output.get("sample_count")).longValue()); | ||
| Assert.assertEquals("Gather self times not correct in json", gatherSelfHitTimes, output.get("gathered_hit_times")); | ||
| JSONArray profile = (JSONArray) output.get("profile"); | ||
|
|
||
| // We are single threaded in this test | ||
| JSONObject perThreadProfile = (JSONObject) profile.get(0); | ||
| JSONArray samples = (JSONArray) perThreadProfile.get("samples"); | ||
| Collection<ProfilerNode<CPUSampler.Payload>> profilerNodes = threadToNodesMap.get(Thread.currentThread()); | ||
| deepCompare(samples, profilerNodes); | ||
| } | ||
|
|
||
| private void deepCompare(JSONArray samples, Collection<ProfilerNode<CPUSampler.Payload>> nodes) { | ||
| for (int i = 0; i < samples.length(); i++) { | ||
| JSONObject sample = (JSONObject) samples.get(i); | ||
| ProfilerNode<CPUSampler.Payload> correspondingNode = findCorrespondingNode(sample, nodes); | ||
| if (correspondingNode != null) { | ||
| CPUSampler.Payload payload = correspondingNode.getPayload(); | ||
| final int selfCompiledHitCount = payload.getSelfCompiledHitCount(); | ||
| Assert.assertEquals("Wrong payload", selfCompiledHitCount, sample.get("self_compiled_hit_count")); | ||
| final int selfInterpretedHitCount = payload.getSelfInterpretedHitCount(); | ||
| Assert.assertEquals("Wrong payload", selfInterpretedHitCount, sample.get("self_interpreted_hit_count")); | ||
| final List<Long> selfHitTimes = payload.getSelfHitTimes(); | ||
| final JSONArray selfHitTimesJson = (JSONArray) sample.get("self_hit_times"); | ||
| Assert.assertEquals("Wrong payload", selfHitTimes.size(), selfHitTimesJson.length()); | ||
| for (int j = 0; j < selfHitTimes.size(); j++) { | ||
| Assert.assertEquals("Wrong payload", selfHitTimes.get(j).longValue(), selfHitTimesJson.getLong(j)); | ||
| } | ||
| final int compiledHitCount = payload.getCompiledHitCount(); | ||
| Assert.assertEquals("Wrong payload", compiledHitCount, sample.get("compiled_hit_count")); | ||
| final int interpretedHitCount = payload.getInterpretedHitCount(); | ||
| Assert.assertEquals("Wrong payload", interpretedHitCount, sample.get("interpreted_hit_count")); | ||
|
|
||
| deepCompare((JSONArray) sample.get("children"), correspondingNode.getChildren()); | ||
| } else { | ||
| Assert.fail("No corresponding node for one in JSON."); | ||
| } | ||
| } | ||
| } | ||
|
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| private static ProfilerNode<CPUSampler.Payload> findCorrespondingNode(JSONObject sample, Collection<ProfilerNode<CPUSampler.Payload>> nodes) { | ||
| String root = (String) sample.get("root_name"); | ||
| JSONObject sourceSection = (JSONObject) sample.get("source_section"); | ||
| String sourceName = (String) sourceSection.get("source_name"); | ||
| int startColumn = (int) sourceSection.get("start_column"); | ||
| int endColumn = (int) sourceSection.get("end_column"); | ||
| int startLine = (int) sourceSection.get("start_line"); | ||
| int endLine = (int) sourceSection.get("end_line"); | ||
| Iterator<ProfilerNode<CPUSampler.Payload>> iterator = nodes.iterator(); | ||
| while (iterator.hasNext()) { | ||
| ProfilerNode<CPUSampler.Payload> next = iterator.next(); | ||
| SourceSection nextSourceSection = next.getSourceSection(); | ||
| if (next.getRootName().equals(root) && nextSourceSection.getSource().getName().equals(sourceName) && nextSourceSection.getStartColumn() == startColumn && | ||
| nextSourceSection.getEndColumn() == endColumn && nextSourceSection.getStartLine() == startLine && nextSourceSection.getEndLine() == endLine) { | ||
| return next; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
| } |
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