Profiler

A simple CPU profiling tool similar to java -Xrunhprof. It can be used in-process (to profile the current application) or as a standalone program (to profile a different process, or files containing full thread dumps).

Methods
static Instrumentation	getInstrumentation() Get the instrumentation object if started as an agent.
static Instrumentation	getInstrumentation() Get the instrumentation object if started as an agent. Returns: the instrumentation, or null
static void	main(String... args) Run the command line version of the profiler.
static void	main(String... args) Run the command line version of the profiler. The JDK (jps and jstack) need to be in the path. Parameters: args - the process id of the process - if not set the java processes are listed
static void	premain(String agentArgs, Instrumentation inst) This method is called when the agent is installed.
static void	premain(String agentArgs, Instrumentation inst) This method is called when the agent is installed. Parameters: agentArgs - the agent arguments inst - the instrumentation object
String	getTop(int count) Get the top stack traces.
String	getTop(int count) Get the top stack traces. Parameters: count - the maximum number of stack traces Returns: the stack traces.
void	run()
void	run()
Profiler	startCollecting() Start collecting profiling data.
Profiler	startCollecting() Start collecting profiling data. Returns: this
Profiler	stopCollecting() Stop collecting.
Profiler	stopCollecting() Stop collecting. Returns: this