| /* |
| * Copyright (c) 2015, 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 jdk.jfr.jcmd; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.util.stream.Collectors; |
| |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.dcmd.CommandExecutor; |
| import jdk.test.lib.dcmd.PidJcmdExecutor; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| public class JcmdHelper { |
| |
| // Wait until recording's state became running |
| public static void waitUntilRunning(String name) throws Exception { |
| long timeoutAt = System.currentTimeMillis() + 10000; |
| while (true) { |
| OutputAnalyzer output = jcmdCheck(name, false); |
| try { |
| // The expected output can look like this: |
| // Recording: recording=1 name="Recording 1" (running) |
| output.shouldMatch("^Recording: recording=\\d+\\s+name=\"" + name |
| + "\".*\\W{1}running\\W{1}"); |
| return; |
| } catch (RuntimeException e) { |
| if (System.currentTimeMillis() > timeoutAt) { |
| Asserts.fail("Recording not started: " + name); |
| } |
| Thread.sleep(100); |
| } |
| } |
| } |
| |
| // Wait until default recording's state became running |
| public static void waitUntilDefaultRecordingRunning() throws Exception { |
| while (true) { |
| OutputAnalyzer output = jcmd("JFR.check", "recording=0"); |
| try { |
| output.shouldContain("Recording: recording=0 name=\"HotSpot default\" (running)"); |
| return; |
| } catch (RuntimeException e) { |
| Thread.sleep(100); |
| } |
| } |
| } |
| |
| public static void stopAndCheck(String name) throws Exception { |
| jcmd("JFR.stop", "name=\"" + name + "\""); |
| assertRecordingNotRunning(name); |
| } |
| |
| public static void stopWriteToFileAndCheck(String name, File file) throws Exception { |
| OutputAnalyzer output = jcmd("JFR.stop", |
| "name=\"" + name + "\"", |
| "filename=\"" + file.getAbsolutePath() + "\""); |
| JcmdAsserts.assertStoppedAndWrittenTo(output, name, file); |
| assertRecordingNotRunning(name); |
| } |
| |
| public static void stopCompressAndCheck(String name, File file) throws Exception { |
| OutputAnalyzer output = jcmd("JFR.stop", |
| "name=\"" + name + "\"", |
| "compress=true", |
| "filename=\"" + file.getAbsolutePath() + "\""); |
| JcmdAsserts.assertStoppedAndWrittenTo(output, name, file); |
| checkAndAssertNoRecordingsAvailable(); |
| } |
| |
| public static void stopDefaultRecordingAndCheck() throws Exception { |
| OutputAnalyzer output = jcmd("JFR.stop", "recording=0"); |
| JcmdAsserts.assertStoppedDefaultRecording(output); |
| checkAndAssertNoRecordingsAvailable(); |
| } |
| |
| public static void checkAndAssertNoRecordingsAvailable() throws Exception { |
| OutputAnalyzer output = jcmd("JFR.check"); |
| JcmdAsserts.assertNoRecordingsAvailable(output); |
| } |
| |
| public static void assertRecordingNotExist(String name) throws Exception { |
| OutputAnalyzer output = jcmdCheck(name, false); |
| JcmdAsserts.assertRecordingNotExist(output, name); |
| } |
| |
| public static void assertRecordingNotRunning(String name) throws Exception { |
| OutputAnalyzer output = jcmdCheck(name, false); |
| JcmdAsserts.assertRecordingNotRunning(output, name); |
| } |
| |
| public static void assertRecordingIsRunning(String name) throws Exception { |
| OutputAnalyzer output = jcmdCheck(name, false); |
| JcmdAsserts.assertRecordingIsRunning(output, name); |
| } |
| |
| public static OutputAnalyzer jcmd(int expectedExitValue, String... args) { |
| String argsString = Arrays.stream(args).collect(Collectors.joining(" ")); |
| CommandExecutor executor = new PidJcmdExecutor(); |
| OutputAnalyzer oa = executor.execute(argsString); |
| oa.shouldHaveExitValue(expectedExitValue); |
| return oa; |
| } |
| |
| public static OutputAnalyzer jcmd(String... args) { |
| return jcmd(0, args); |
| } |
| |
| |
| public static OutputAnalyzer jcmdCheck(String recordingName, boolean verbose) { |
| return jcmd("JFR.check", "name=" + recordingName, "verbose=" + verbose); |
| } |
| } |