| /* |
| * Copyright (c) 2015, 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. |
| * |
| * 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 sun.jvm.hotspot; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import sun.jvm.hotspot.tools.JStack; |
| import sun.jvm.hotspot.tools.JMap; |
| import sun.jvm.hotspot.tools.JInfo; |
| import sun.jvm.hotspot.tools.JSnap; |
| |
| public class SALauncher { |
| |
| private static boolean launcherHelp() { |
| System.out.println(" clhsdb \tcommand line debugger"); |
| System.out.println(" hsdb \tui debugger"); |
| System.out.println(" debugd --help\tto get more information"); |
| System.out.println(" jstack --help\tto get more information"); |
| System.out.println(" jmap --help\tto get more information"); |
| System.out.println(" jinfo --help\tto get more information"); |
| System.out.println(" jsnap --help\tto get more information"); |
| return false; |
| } |
| |
| private static boolean commonHelp(String mode) { |
| return commonHelp(mode, false); |
| } |
| |
| private static boolean commonHelpWithConnect(String mode) { |
| return commonHelp(mode, true); |
| } |
| |
| private static boolean commonHelp(String mode, boolean canConnectToRemote) { |
| // --pid <pid> |
| // --exe <exe> |
| // --core <core> |
| // --connect [<id>@]<host> |
| System.out.println(" --pid <pid> To attach to and operate on the given live process."); |
| System.out.println(" --core <corefile> To operate on the given core file."); |
| System.out.println(" --exe <executable for corefile>"); |
| if (canConnectToRemote) { |
| System.out.println(" --connect [<id>@]<host> To connect to a remote debug server (debugd)."); |
| } |
| System.out.println(); |
| System.out.println(" The --core and --exe options must be set together to give the core"); |
| System.out.println(" file, and associated executable, to operate on. They can use"); |
| System.out.println(" absolute or relative paths."); |
| System.out.println(" The --pid option can be set to operate on a live process."); |
| if (canConnectToRemote) { |
| System.out.println(" The --connect option can be set to connect to a debug server (debugd)."); |
| System.out.println(" --core, --pid, and --connect are mutually exclusive."); |
| } else { |
| System.out.println(" --core and --pid are mutually exclusive."); |
| } |
| System.out.println(); |
| System.out.println(" Examples: jhsdb " + mode + " --pid 1234"); |
| System.out.println(" or jhsdb " + mode + " --core ./core.1234 --exe ./myexe"); |
| if (canConnectToRemote) { |
| System.out.println(" or jhsdb " + mode + " --connect debugserver"); |
| System.out.println(" or jhsdb " + mode + " --connect id@debugserver"); |
| } |
| return false; |
| } |
| |
| private static boolean debugdHelp() { |
| // [options] <pid> [server-id] |
| // [options] <executable> <core> [server-id] |
| System.out.println(" --serverid <id> A unique identifier for this debug server."); |
| return commonHelp("debugd"); |
| } |
| |
| private static boolean jinfoHelp() { |
| // --flags -> -flags |
| // --sysprops -> -sysprops |
| System.out.println(" --flags To print VM flags."); |
| System.out.println(" --sysprops To print Java System properties."); |
| System.out.println(" <no option> To print both of the above."); |
| return commonHelpWithConnect("jinfo"); |
| } |
| |
| private static boolean jmapHelp() { |
| // --heap -> -heap |
| // --binaryheap -> -heap:format=b |
| // --histo -> -histo |
| // --clstats -> -clstats |
| // --finalizerinfo -> -finalizerinfo |
| |
| System.out.println(" <no option> To print same info as Solaris pmap."); |
| System.out.println(" --heap To print java heap summary."); |
| System.out.println(" --binaryheap To dump java heap in hprof binary format."); |
| System.out.println(" --dumpfile <name> The name of the dump file."); |
| System.out.println(" --histo To print histogram of java object heap."); |
| System.out.println(" --clstats To print class loader statistics."); |
| System.out.println(" --finalizerinfo To print information on objects awaiting finalization."); |
| return commonHelpWithConnect("jmap"); |
| } |
| |
| private static boolean jstackHelp() { |
| // --locks -> -l |
| // --mixed -> -m |
| System.out.println(" --locks To print java.util.concurrent locks."); |
| System.out.println(" --mixed To print both Java and native frames (mixed mode)."); |
| return commonHelpWithConnect("jstack"); |
| } |
| |
| private static boolean jsnapHelp() { |
| System.out.println(" --all To print all performance counters."); |
| return commonHelpWithConnect("jsnap"); |
| } |
| |
| private static boolean toolHelp(String toolName) { |
| if (toolName.equals("jstack")) { |
| return jstackHelp(); |
| } |
| if (toolName.equals("jinfo")) { |
| return jinfoHelp(); |
| } |
| if (toolName.equals("jmap")) { |
| return jmapHelp(); |
| } |
| if (toolName.equals("jsnap")) { |
| return jsnapHelp(); |
| } |
| if (toolName.equals("debugd")) { |
| return debugdHelp(); |
| } |
| if (toolName.equals("hsdb")) { |
| return commonHelp("hsdb"); |
| } |
| if (toolName.equals("clhsdb")) { |
| return commonHelp("clhsdb"); |
| } |
| return launcherHelp(); |
| } |
| |
| private static final String NO_REMOTE = null; |
| |
| private static void buildAttachArgs(ArrayList<String> newArgs, String pid, |
| String exe, String core, String remote, boolean allowEmpty) { |
| if (!allowEmpty && (pid == null) && (exe == null) && (remote == NO_REMOTE)) { |
| throw new SAGetoptException("You have to set --pid or --exe or --connect."); |
| } |
| |
| if (pid != null) { // Attach to live process |
| if (exe != null) { |
| throw new SAGetoptException("Unnecessary argument: --exe"); |
| } else if (core != null) { |
| throw new SAGetoptException("Unnecessary argument: --core"); |
| } else if (remote != NO_REMOTE) { |
| throw new SAGetoptException("Unnecessary argument: --connect"); |
| } else if (!pid.matches("^\\d+$")) { |
| throw new SAGetoptException("Invalid pid: " + pid); |
| } |
| |
| newArgs.add(pid); |
| } else if (exe != null) { |
| if (remote != NO_REMOTE) { |
| throw new SAGetoptException("Unnecessary argument: --connect"); |
| } else if (exe.length() == 0) { |
| throw new SAGetoptException("You have to set --exe."); |
| } |
| |
| newArgs.add(exe); |
| |
| if ((core == null) || (core.length() == 0)) { |
| throw new SAGetoptException("You have to set --core."); |
| } |
| |
| newArgs.add(core); |
| } else if (remote != NO_REMOTE) { |
| newArgs.add(remote); |
| } |
| } |
| |
| private static void runCLHSDB(String[] oldArgs) { |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid="}; |
| |
| ArrayList<String> newArgs = new ArrayList(); |
| String pid = null; |
| String exe = null; |
| String core = null; |
| String s = null; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, NO_REMOTE, true); |
| CLHSDB.main(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| private static void runHSDB(String[] oldArgs) { |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid="}; |
| |
| ArrayList<String> newArgs = new ArrayList(); |
| String pid = null; |
| String exe = null; |
| String core = null; |
| String s = null; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, NO_REMOTE, true); |
| HSDB.main(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| private static void runJSTACK(String[] oldArgs) { |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid=", "connect=", |
| "mixed", "locks"}; |
| |
| ArrayList<String> newArgs = new ArrayList(); |
| String pid = null; |
| String exe = null; |
| String core = null; |
| String remote = NO_REMOTE; |
| String s = null; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("connect")) { |
| remote = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("mixed")) { |
| newArgs.add("-m"); |
| continue; |
| } |
| if (s.equals("locks")) { |
| newArgs.add("-l"); |
| continue; |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, remote, false); |
| JStack jstack = new JStack(false, false); |
| jstack.runWithArgs(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| private static void runJMAP(String[] oldArgs) { |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid=", "connect=", |
| "heap", "binaryheap", "dumpfile=", "histo", "clstats", "finalizerinfo"}; |
| |
| ArrayList<String> newArgs = new ArrayList(); |
| String pid = null; |
| String exe = null; |
| String core = null; |
| String remote = NO_REMOTE; |
| String s = null; |
| String dumpfile = null; |
| boolean requestHeapdump = false; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("connect")) { |
| remote = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("heap")) { |
| newArgs.add("-heap"); |
| continue; |
| } |
| if (s.equals("binaryheap")) { |
| requestHeapdump = true; |
| continue; |
| } |
| if (s.equals("dumpfile")) { |
| dumpfile = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("histo")) { |
| newArgs.add("-histo"); |
| continue; |
| } |
| if (s.equals("clstats")) { |
| newArgs.add("-clstats"); |
| continue; |
| } |
| if (s.equals("finalizerinfo")) { |
| newArgs.add("-finalizerinfo"); |
| continue; |
| } |
| } |
| |
| if (!requestHeapdump && (dumpfile != null)) { |
| throw new IllegalArgumentException("Unexpected argument dumpfile"); |
| } |
| if (requestHeapdump) { |
| if (dumpfile == null) { |
| newArgs.add("-heap:format=b"); |
| } else { |
| newArgs.add("-heap:format=b,file=" + dumpfile); |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, remote, false); |
| JMap.main(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| private static void runJINFO(String[] oldArgs) { |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid=", "connect=", |
| "flags", "sysprops"}; |
| |
| ArrayList<String> newArgs = new ArrayList(); |
| String exe = null; |
| String pid = null; |
| String core = null; |
| String remote = NO_REMOTE; |
| String s = null; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("connect")) { |
| remote = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("flags")) { |
| newArgs.add("-flags"); |
| continue; |
| } |
| if (s.equals("sysprops")) { |
| newArgs.add("-sysprops"); |
| continue; |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, remote, false); |
| JInfo.main(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| private static void runJSNAP(String[] oldArgs) { |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid=", "connect=", "all"}; |
| |
| ArrayList<String> newArgs = new ArrayList(); |
| String exe = null; |
| String pid = null; |
| String core = null; |
| String remote = NO_REMOTE; |
| String s = null; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("connect")) { |
| remote = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("all")) { |
| newArgs.add("-a"); |
| continue; |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, remote, false); |
| JSnap.main(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| private static void runDEBUGD(String[] oldArgs) { |
| // By default SA agent classes prefer Windows process debugger |
| // to windbg debugger. SA expects special properties to be set |
| // to choose other debuggers. We will set those here before |
| // attaching to SA agent. |
| System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true"); |
| |
| SAGetopt sg = new SAGetopt(oldArgs); |
| String[] longOpts = {"exe=", "core=", "pid=", "serverid="}; |
| |
| ArrayList<String> newArgs = new ArrayList<>(); |
| String exe = null; |
| String pid = null; |
| String core = null; |
| String s = null; |
| String serverid = null; |
| |
| while((s = sg.next(null, longOpts)) != null) { |
| if (s.equals("exe")) { |
| exe = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("core")) { |
| core = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("pid")) { |
| pid = sg.getOptarg(); |
| continue; |
| } |
| if (s.equals("serverid")) { |
| serverid = sg.getOptarg(); |
| continue; |
| } |
| } |
| |
| buildAttachArgs(newArgs, pid, exe, core, NO_REMOTE, false); |
| if (serverid != null) { |
| newArgs.add(serverid); |
| } |
| |
| // delegate to the actual SA debug server. |
| sun.jvm.hotspot.DebugServer.main(newArgs.toArray(new String[newArgs.size()])); |
| } |
| |
| public static void main(String[] args) { |
| // Provide a help |
| if (args.length == 0) { |
| launcherHelp(); |
| return; |
| } |
| // No arguments imply help for debugd, jstack, jmap, jinfo but launch clhsdb and hsdb |
| if (args.length == 1 && !args[0].equals("clhsdb") && !args[0].equals("hsdb")) { |
| toolHelp(args[0]); |
| return; |
| } |
| |
| for (String arg : args) { |
| if (arg.equals("-h") || arg.equals("-help") || arg.equals("--help")) { |
| toolHelp(args[0]); |
| return; |
| } |
| } |
| |
| String[] oldArgs = Arrays.copyOfRange(args, 1, args.length); |
| |
| try { |
| // Run SA interactive mode |
| if (args[0].equals("clhsdb")) { |
| runCLHSDB(oldArgs); |
| return; |
| } |
| |
| if (args[0].equals("hsdb")) { |
| runHSDB(oldArgs); |
| return; |
| } |
| |
| // Run SA tmtools mode |
| if (args[0].equals("jstack")) { |
| runJSTACK(oldArgs); |
| return; |
| } |
| |
| if (args[0].equals("jmap")) { |
| runJMAP(oldArgs); |
| return; |
| } |
| |
| if (args[0].equals("jinfo")) { |
| runJINFO(oldArgs); |
| return; |
| } |
| |
| if (args[0].equals("jsnap")) { |
| runJSNAP(oldArgs); |
| return; |
| } |
| |
| if (args[0].equals("debugd")) { |
| runDEBUGD(oldArgs); |
| return; |
| } |
| |
| throw new SAGetoptException("Unknown tool: " + args[0]); |
| } catch (SAGetoptException e) { |
| System.err.println(e.getMessage()); |
| toolHelp(args[0]); |
| } |
| } |
| } |