mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-09-12 00:24:52 -04:00
47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
.TH j_events.d 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS"
|
|
.SH NAME
|
|
j_events.d - count Java events using DTrace.
|
|
.SH SYNOPSIS
|
|
.B j_events.d
|
|
|
|
.SH DESCRIPTION
|
|
This traces activity from all Java processes on the system with hotspot
|
|
provider support (1.6.0). Some events such as method calls are only
|
|
visible when using the flag "+ExtendedDTraceProbes". eg,
|
|
java -XX:+ExtendedDTraceProbes classfile
|
|
.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_events.d
|
|
.PP
|
|
.SH FIELDS
|
|
.TP
|
|
PID
|
|
Process ID
|
|
.TP
|
|
EVENT
|
|
Event name (DTrace probe name)
|
|
.TP
|
|
COUNT
|
|
Number of calls during sample
|
|
.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_events.d will run until Ctrl-C is hit.
|
|
.SH AUTHOR
|
|
Brendan Gregg
|
|
[CA, USA]
|
|
.SH SEE ALSO
|
|
dtrace(1M)
|