| /* |
| * Copyright (c) 2016, 2019, 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.internal.dcmd; |
| |
| |
| |
| import jdk.jfr.FlightRecorder; |
| import jdk.jfr.internal.LogLevel; |
| import jdk.jfr.internal.LogTag; |
| import jdk.jfr.internal.Logger; |
| import jdk.jfr.internal.Options; |
| import jdk.jfr.internal.PrivateAccess; |
| import jdk.jfr.internal.Repository; |
| import jdk.jfr.internal.SecuritySupport.SafePath; |
| |
| /** |
| * JFR.configure - invoked from native |
| * |
| */ |
| //Instantiated by native |
| final class DCmdConfigure extends AbstractDCmd { |
| /** |
| * Execute JFR.configure. |
| * |
| * @param repositoryPath the path |
| * @param dumpPath path to dump to on fatal error (oom) |
| * @param stackDepth depth of stack traces |
| * @param globalBufferCount number of global buffers |
| * @param globalBufferSize size of global buffers |
| * @param threadBufferSize size of thread buffer for events |
| * @param maxChunkSize threshold at which a new chunk is created in the disk repository |
| * @param sampleThreads if thread sampling should be enabled |
| * |
| * @return result |
| |
| * @throws DCmdException |
| * if the dump could not be completed |
| */ |
| public String execute |
| ( |
| String repositoryPath, |
| String dumpPath, |
| Integer stackDepth, |
| Long globalBufferCount, |
| Long globalBufferSize, |
| Long threadBufferSize, |
| Long memorySize, |
| Long maxChunkSize, |
| Boolean sampleThreads |
| |
| ) throws DCmdException { |
| if (Logger.shouldLog(LogTag.JFR_DCMD, LogLevel.DEBUG)) { |
| Logger.log(LogTag.JFR_DCMD, LogLevel.DEBUG, "Executing DCmdConfigure: repositorypath=" + repositoryPath + |
| ", dumppath=" + dumpPath + |
| ", stackdepth=" + stackDepth + |
| ", globalbuffercount=" + globalBufferCount + |
| ", globalbuffersize=" + globalBufferSize + |
| ", thread_buffer_size" + threadBufferSize + |
| ", memorysize" + memorySize + |
| ", maxchunksize=" + maxChunkSize + |
| ", samplethreads" + sampleThreads); |
| } |
| |
| |
| boolean updated = false; |
| if (repositoryPath != null) { |
| try { |
| SafePath s = new SafePath(repositoryPath); |
| Repository.getRepository().setBasePath(s); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Base repository path set to " + repositoryPath); |
| if (FlightRecorder.isInitialized()) { |
| PrivateAccess.getInstance().getPlatformRecorder().rotateIfRecordingToDisk();; |
| } |
| } catch (Exception e) { |
| throw new DCmdException("Could not use " + repositoryPath + " as repository. " + e.getMessage(), e); |
| } |
| printRepositoryPath(); |
| updated = true; |
| } |
| |
| if (dumpPath != null) { |
| Options.setDumpPath(new SafePath(dumpPath)); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Emergency dump path set to " + dumpPath); |
| printDumpPath(); |
| updated = true; |
| } |
| |
| if (stackDepth != null) { |
| Options.setStackDepth(stackDepth); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Stack depth set to " + stackDepth); |
| printStackDepth(); |
| updated = true; |
| } |
| |
| if (globalBufferCount != null) { |
| Options.setGlobalBufferCount(globalBufferCount); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Global buffer count set to " + globalBufferCount); |
| printGlobalBufferCount(); |
| updated = true; |
| } |
| |
| if (globalBufferSize != null) { |
| Options.setGlobalBufferSize(globalBufferSize); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Global buffer size set to " + globalBufferSize); |
| printGlobalBufferSize(); |
| updated = true; |
| } |
| |
| if (threadBufferSize != null) { |
| Options.setThreadBufferSize(threadBufferSize); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Thread buffer size set to " + threadBufferSize); |
| printThreadBufferSize(); |
| updated = true; |
| } |
| |
| if (memorySize != null) { |
| Options.setMemorySize(memorySize); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Memory size set to " + memorySize); |
| printMemorySize(); |
| updated = true; |
| } |
| |
| if (maxChunkSize != null) { |
| Options.setMaxChunkSize(maxChunkSize); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Max chunk size set to " + maxChunkSize); |
| printMaxChunkSize(); |
| updated = true; |
| } |
| |
| if (sampleThreads != null) { |
| Options.setSampleThreads(sampleThreads); |
| Logger.log(LogTag.JFR, LogLevel.INFO, "Sample threads set to " + sampleThreads); |
| printSampleThreads(); |
| updated = true; |
| } |
| |
| if (!updated) { |
| println("Current configuration:"); |
| println(); |
| printRepositoryPath(); |
| printStackDepth(); |
| printGlobalBufferCount(); |
| printGlobalBufferSize(); |
| printThreadBufferSize(); |
| printMemorySize(); |
| printMaxChunkSize(); |
| printSampleThreads(); |
| } |
| return getResult(); |
| } |
| |
| private void printRepositoryPath() { |
| print("Repository path: "); |
| printPath(Repository.getRepository().getRepositoryPath()); |
| println(); |
| } |
| |
| private void printDumpPath() { |
| print("Dump path: "); |
| printPath(Options.getDumpPath()); |
| println(); |
| } |
| |
| private void printSampleThreads() { |
| println("Sample threads: " + Options.getSampleThreads()); |
| } |
| |
| private void printStackDepth() { |
| println("Stack depth: " + Options.getStackDepth()); |
| } |
| |
| private void printGlobalBufferCount() { |
| println("Global buffer count: " + Options.getGlobalBufferCount()); |
| } |
| |
| private void printGlobalBufferSize() { |
| print("Global buffer size: "); |
| printBytes(Options.getGlobalBufferSize()); |
| println(); |
| } |
| |
| private void printThreadBufferSize() { |
| print("Thread buffer size: "); |
| printBytes(Options.getThreadBufferSize()); |
| println(); |
| } |
| |
| private void printMemorySize() { |
| print("Memory size: "); |
| printBytes(Options.getMemorySize()); |
| println(); |
| } |
| |
| private void printMaxChunkSize() { |
| print("Max chunk size: "); |
| printBytes(Options.getMaxChunkSize()); |
| println(); |
| } |
| } |