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.TH j_cputime.d 1m "$Date:: 2007-10-03 #$" "USER COMMANDS"
.SH NAME
j_cputime.d - measure Java on-CPU times for different types of operation.
.SH SYNOPSIS
.B j_cputime.d
[top]
.SH DESCRIPTION
This traces activity from all Java processes on the system with hotspot
provider support (1.6.0). Method calls are only visible when using the
flag "+ExtendedDTraceProbes". eg, java -XX:+ExtendedDTraceProbes classfile
The "top" optional argument will truncate the output for each report
section to that many lines, with a default of 10.
.SH OS
Solaris
.SH 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.
.SH EXAMPLES
.TP
Default output,
#
.B j_cputime.d
.PP
.SH FIELDS
.TP
PID
Process ID
.TP
TYPE
Type of call (method/gc/total)
.TP
NAME
Name of call
.TP
TOTAL
Total on-CPU time for calls (us)
.PP
.SH 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.
.SH EXIT
j_cputime.d will run until Ctrl-C is hit.
.SH AUTHOR
Brendan Gregg
[CA, USA]
.SH SEE ALSO
dtrace(1M)
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