Mercurial > hg > graal-compiler
view test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java @ 17576:2b2cc89121db
Merge
author | asaha |
---|---|
date | Thu, 20 Mar 2014 10:06:22 -0700 |
parents | c51cd6af7e61 |
children | 09f19d3de485 |
line wrap: on
line source
/* * Copyright (c) 2013, 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. * * 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. */ import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.Reader; import java.nio.CharBuffer; import java.util.Arrays; import java.util.Scanner; import com.oracle.java.testlibrary.Asserts; import com.oracle.java.testlibrary.JDKToolFinder; import com.oracle.java.testlibrary.JDKToolLauncher; import com.oracle.java.testlibrary.OutputAnalyzer; import com.oracle.java.testlibrary.Platform; import com.oracle.java.testlibrary.ProcessTools; /* * @test * @bug 6313383 * @key regression * @summary Regression test for hprof export issue due to large heaps (>2G) * @library /testlibrary * @compile JMapHProfLargeHeapProc.java * @run main JMapHProfLargeHeapTest */ public class JMapHProfLargeHeapTest { private static final String HEAP_DUMP_FILE_NAME = "heap.hprof"; private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1"; private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2"; private static final long M = 1024L; private static final long G = 1024L * M; public static void main(String[] args) throws Exception { // If we are on MacOSX, test if JMap tool is signed, otherwise return // since test will fail with privilege error. if (Platform.isOSX()) { String jmapToolPath = JDKToolFinder.getTestJDKTool("jmap"); ProcessBuilder codesignProcessBuilder = new ProcessBuilder( "codesign", "-v", jmapToolPath); Process codesignProcess = codesignProcessBuilder.start(); OutputAnalyzer analyser = new OutputAnalyzer(codesignProcess); try { analyser.shouldNotContain("code object is not signed at all"); System.out.println("Signed jmap found at: " + jmapToolPath); } catch (Exception e) { // Abort since we can't know if the test will work System.out .println("Test aborted since we are on MacOSX and the jmap tool is not signed."); return; } } // Small heap 22 megabytes, should create 1.0.1 file format testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1); /** * This test was deliberately commented out since the test system lacks * support to handle the requirements for this kind of heap size in a * good way. If or when it becomes possible to run this kind of tests in * the test environment the test should be enabled again. * */ // Large heap 2,2 gigabytes, should create 1.0.2 file format // testHProfFileFormat("-Xmx4g", 2 * G + 2 * M, HPROF_HEADER_1_0_2); } private static void testHProfFileFormat(String vmArgs, long heapSize, String expectedFormat) throws Exception, IOException, InterruptedException, FileNotFoundException { ProcessBuilder procBuilder = ProcessTools.createJavaProcessBuilder( vmArgs, "JMapHProfLargeHeapProc", String.valueOf(heapSize)); procBuilder.redirectError(ProcessBuilder.Redirect.INHERIT); Process largeHeapProc = procBuilder.start(); try (Scanner largeHeapScanner = new Scanner( largeHeapProc.getInputStream());) { String pidstring = null; while ((pidstring = largeHeapScanner.findInLine("PID\\[[0-9].*\\]")) == null) { Thread.sleep(500); } int pid = Integer.parseInt(pidstring.substring(4, pidstring.length() - 1)); System.out.println("Extracted pid: " + pid); JDKToolLauncher jMapLauncher = JDKToolLauncher .createUsingTestJDK("jmap"); jMapLauncher.addToolArg("-dump:format=b,file=" + pid + "-" + HEAP_DUMP_FILE_NAME); jMapLauncher.addToolArg(String.valueOf(pid)); ProcessBuilder jMapProcessBuilder = new ProcessBuilder( jMapLauncher.getCommand()); System.out.println("jmap command: " + Arrays.toString(jMapLauncher.getCommand())); Process jMapProcess = jMapProcessBuilder.start(); OutputAnalyzer analyzer = new OutputAnalyzer(jMapProcess); analyzer.shouldHaveExitValue(0); analyzer.shouldContain(pid + "-" + HEAP_DUMP_FILE_NAME); analyzer.shouldContain("Heap dump file created"); largeHeapProc.getOutputStream().write('\n'); File dumpFile = new File(pid + "-" + HEAP_DUMP_FILE_NAME); Asserts.assertTrue(dumpFile.exists(), "Heap dump file not found."); try (Reader reader = new BufferedReader(new FileReader(dumpFile))) { CharBuffer buf = CharBuffer.allocate(expectedFormat.length()); reader.read(buf); buf.clear(); Asserts.assertEQ(buf.toString(), expectedFormat, "Wrong file format. Expected '" + expectedFormat + "', but found '" + buf.toString() + "'"); } System.out.println("Success!"); } finally { largeHeapProc.destroyForcibly(); } } }