jdk8-mips64-public/hotspot: src/share/vm/services/diagnosticCommand.hpp@4f25538b54c9 (annotated)

src/share/vm/services/diagnosticCommand.hpp@4f25538b54c9 (annotated)

src/share/vm/services/diagnosticCommand.hpp

Mon, 09 Jan 2012 10:27:24 +0100

author: fparain
date: Mon, 09 Jan 2012 10:27:24 +0100
changeset 3402: 4f25538b54c9
parent 3329: 3b688d6ff3d0
child 3478: a42c07c38c47
permissions: -rw-r--r--

7120511: Add diagnostic commands
Reviewed-by: acorn, phh, dcubed, sspitsyn

 /*
  * Copyright (c) 2011, 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.
  *
  */
 #ifndef SHARE_VM_SERVICES_DIAGNOSTICCOMMAND_HPP
 #define SHARE_VM_SERVICES_DIAGNOSTICCOMMAND_HPP
 #include "runtime/arguments.hpp"
 #include "classfile/vmSymbols.hpp"
 #include "utilities/ostream.hpp"
 #include "runtime/vm_version.hpp"
 #include "runtime/vmThread.hpp"
 #include "runtime/os.hpp"
 #include "services/diagnosticArgument.hpp"
 #include "services/diagnosticCommand.hpp"
 #include "services/diagnosticFramework.hpp"
 class HelpDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<bool> _all;
   DCmdArgument<char*> _cmd;
 public:
   HelpDCmd(outputStream* output, bool heap);
   static const char* name() { return "help"; }
   static const char* description() {
     return "For more information about a specific command use 'help <command>'. "
            "With no argument this will show a list of available commands. "
            "'help all' will show help for all commands.";
   }
   static const char* impact() { return "Low: "; }
   static int num_arguments();
   virtual void execute(TRAPS);
 };
 class VersionDCmd : public DCmd {
 public:
   VersionDCmd(outputStream* output, bool heap) : DCmd(output,heap) { }
   static const char* name() { return "VM.version"; }
   static const char* description() {
     return "Print JVM version information.";
   }
   static const char* impact() { return "Low: "; }
   static int num_arguments() { return 0; }
   virtual void execute(TRAPS);
 };
 class CommandLineDCmd : public DCmd {
 public:
   CommandLineDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
   static const char* name() { return "VM.command_line"; }
   static const char* description() {
     return "Print the command line used to start this VM instance.";
   }
   static const char* impact() { return "Low: "; }
   static int num_arguments() { return 0; }
   virtual void execute(TRAPS) {
     Arguments::print_on(_output);
   }
 };
 // See also: get_system_properties in attachListener.cpp
 class PrintSystemPropertiesDCmd : public DCmd {
 public:
   PrintSystemPropertiesDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
     static const char* name() { return "VM.system_properties"; }
     static const char* description() {
       return "Print system properties.";
     }
     static const char* impact() {
       return "Low: ";
     }
     static int num_arguments() { return 0; }
     virtual void execute(TRAPS);
 };
 // See also: print_flag in attachListener.cpp
 class PrintVMFlagsDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<bool> _all;
 public:
   PrintVMFlagsDCmd(outputStream* output, bool heap);
   static const char* name() { return "VM.flags"; }
   static const char* description() {
     return "Print VM flag options and their current values.";
   }
   static const char* impact() {
     return "Low: ";
   }
   static int num_arguments();
   virtual void execute(TRAPS);
 };
 class VMUptimeDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<bool> _date;
 public:
   VMUptimeDCmd(outputStream* output, bool heap);
   static const char* name() { return "VM.uptime"; }
   static const char* description() {
     return "Print VM uptime.";
   }
   static const char* impact() {
     return "Low: ";
   }
   static int num_arguments();
   virtual void execute(TRAPS);
 };
 class SystemGCDCmd : public DCmd {
 public:
   SystemGCDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
     static const char* name() { return "GC.run"; }
     static const char* description() {
       return "Call java.lang.System.gc().";
     }
     static const char* impact() {
       return "Medium: Depends on Java heap size and content.";
     }
     static int num_arguments() { return 0; }
     virtual void execute(TRAPS);
 };
 class RunFinalizationDCmd : public DCmd {
 public:
   RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
     static const char* name() { return "GC.run_finalization"; }
     static const char* description() {
       return "Call java.lang.System.runFinalization().";
     }
     static const char* impact() {
       return "Medium: Depends on Java content.";
     }
     static int num_arguments() { return 0; }
     virtual void execute(TRAPS);
 };
 #ifndef SERVICES_KERNEL   // Heap dumping not supported
 // See also: dump_heap in attachListener.cpp
 class HeapDumpDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<char*> _filename;
   DCmdArgument<bool>  _all;
 public:
   HeapDumpDCmd(outputStream* output, bool heap);
   static const char* name() {
     return "GC.heap_dump";
   }
   static const char* description() {
     return "Generate a HPROF format dump of the Java heap.";
   }
   static const char* impact() {
     return "High: Depends on Java heap size and content. "
            "Request a full GC unless the '-all' option is specified.";
   }
   static int num_arguments();
   virtual void execute(TRAPS);
 };
 #endif // SERVICES_KERNEL
 // See also: inspeactheap in attachListener.cpp
 class ClassHistogramDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<bool> _all;
 public:
   ClassHistogramDCmd(outputStream* output, bool heap);
   static const char* name() {
     return "GC.class_histogram";
   }
   static const char* description() {
     return "Provide statistics about the Java heap usage.";
   }
   static const char* impact() {
     return "High: Depends on Java heap size and content.";
   }
   static int num_arguments();
   virtual void execute(TRAPS);
 };
 // See also: thread_dump in attachListener.cpp
 class ThreadDumpDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<bool> _locks;
 public:
   ThreadDumpDCmd(outputStream* output, bool heap);
   static const char* name() { return "Thread.print"; }
   static const char* description() {
     return "Print all threads with stacktraces.";
   }
   static const char* impact() {
     return "Medium: Depends on the number of threads.";
   }
   static int num_arguments();
   virtual void execute(TRAPS);
 };
 #endif // SHARE_VM_SERVICES_DIAGNOSTICCOMMAND_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/services/diagnosticCommand.hpp@4f25538b54c9 (annotated)

src/share/vm/services/diagnosticCommand.hpp