NAME

j_who.d - trace Java calls by process using DTrace.

SYNOPSIS

j_who.d

DESCRIPTION

This traces activity from all Java processes on the system with hotspot provider support (1.6.0).

The argument list is truncated at 55 characters (up to 80 is easily available). To easily read the full argument list, use other system tools; on Solaris use "pargs PID".

OS

Solaris

STABILITY

Evolving - uses the DTrace hotspot provider, which may change as additional features are introduced. Check Java/Readme to see what version these scripts are based on.

EXAMPLES

Default output,

# j_who.d

FIELDS

PID

Process ID of Java

UID

User ID of the owner

CALLS

Number of calls made (a measure of activity)

ARGS

Process name and arguments

DOCUMENTATION

See the DTraceToolkit for further documentation under the Examples, Notes and Docs directories. The example files may be especially useful as they aim to demonstrate how to interpret the output.

EXIT

j_who.d will run until Ctrl-C is hit.

AUTHOR

Brendan Gregg [CA, USA]

SEE ALSO

dtrace(1M)