| // Copyright 2023 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package com.google.devtools.build.lib.profiler; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase; |
| import com.google.devtools.build.lib.runtime.BlazeRuntime; |
| import com.google.devtools.build.lib.util.OS; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link CommandProfilerModule}. */ |
| @RunWith(JUnit4.class) |
| public final class CommandProfilerModuleTest extends BuildIntegrationTestCase { |
| |
| @Override |
| protected BlazeRuntime.Builder getRuntimeBuilder() throws Exception { |
| return super.getRuntimeBuilder().addBlazeModule(new CommandProfilerModule()); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| write("BUILD", ""); |
| } |
| |
| @Test |
| public void testProfilingDisabled() throws Exception { |
| buildTarget("//:BUILD"); |
| assertThat(outputBase.getChild("profile.jfr").exists()).isFalse(); |
| } |
| |
| @Test |
| public void testProfilingEnabled() throws Exception { |
| addOptions("--experimental_command_profile"); |
| |
| try { |
| buildTarget("//:BUILD"); |
| } catch (Exception e) { |
| // Linux perf events are not supported on CI. |
| // See https://github.com/async-profiler/async-profiler/#troubleshooting. |
| if (e.getMessage().contains("No access to perf events") |
| || e.getMessage().contains("Perf events unavailable")) { |
| return; |
| } |
| } |
| |
| assumeTrue(OS.getCurrent() == OS.LINUX || OS.getCurrent() == OS.DARWIN); |
| |
| assertThat(outputBase.getChild("profile.jfr").exists()).isTrue(); |
| } |
| } |