765 protected:
766   DCmdArgument<char*> _log;
767   DCmdArgument<jlong> _max;
768 public:
769   static int num_arguments() { return 2; }
770   EventLogDCmd(outputStream* output, bool heap);
771   static const char* name() {
772     return "VM.events";
773   }
774   static const char* description() {
775     return "Print VM event logs";
776   }
777   static const char* impact() {
778     return "Low: Depends on event log size. ";
779   }
780   virtual void execute(DCmdSource source, TRAPS);
781 };
782 
783 class ThreadDumpToFileDCmd : public DCmdWithParser {
784 private:
785   void dumpToFile(Symbol* name, Symbol* signature, const char* path, bool overwrite, TRAPS);
786 protected:
787   DCmdArgument<bool> _overwrite;
788   DCmdArgument<char*> _format;

789   DCmdArgument<char*> _filepath;

790 public:
791   static int num_arguments() { return 3; }
792   ThreadDumpToFileDCmd(outputStream *output, bool heap);
793   static const char *name() {
794     return "Thread.dump_to_file";
795   }
796   static const char *description() {
797     return "Dump all threads, with stack traces, "
798            "to a file in plain text or JSON format.";
799   }
800   static const char* impact() {
801     return "Medium: Depends on the number of threads.";
802   }
803   virtual void execute(DCmdSource source, TRAPS);
804 };
805 
806 class VThreadSchedulerDCmd : public DCmd {
807 public:
808   VThreadSchedulerDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
809   static const char* name() {
810     return "Thread.vthread_scheduler";
811   }

765 protected:
766   DCmdArgument<char*> _log;
767   DCmdArgument<jlong> _max;
768 public:
769   static int num_arguments() { return 2; }
770   EventLogDCmd(outputStream* output, bool heap);
771   static const char* name() {
772     return "VM.events";
773   }
774   static const char* description() {
775     return "Print VM event logs";
776   }
777   static const char* impact() {
778     return "Low: Depends on event log size. ";
779   }
780   virtual void execute(DCmdSource source, TRAPS);
781 };
782 
783 class ThreadDumpToFileDCmd : public DCmdWithParser {
784 private:
785   void dumpToFile(Symbol* name, Symbol* signature, const char* path, bool overwrite, bool no_prettyprint, TRAPS);
786 protected:

787   DCmdArgument<char*> _format;
788   DCmdArgument<bool> _no_prettyprint;
789   DCmdArgument<char*> _filepath;
790   DCmdArgument<bool> _overwrite;
791 public:
792   static int num_arguments() { return 4; }
793   ThreadDumpToFileDCmd(outputStream *output, bool heap);
794   static const char *name() {
795     return "Thread.dump_to_file";
796   }
797   static const char *description() {
798     return "Dump all threads, with stack traces, "
799            "to a file in plain text or JSON format.";
800   }
801   static const char* impact() {
802     return "Medium: Depends on the number of threads.";
803   }
804   virtual void execute(DCmdSource source, TRAPS);
805 };
806 
807 class VThreadSchedulerDCmd : public DCmd {
808 public:
809   VThreadSchedulerDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
810   static const char* name() {
811     return "Thread.vthread_scheduler";
812   }