Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

.TH j_syscalls.d 1m   "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS"
.SH NAME
j_syscalls.d - count Java methods and syscalls using DTrace.
.SH SYNOPSIS
.B j_syscalls.d
{ \-p PID | \-c cmd }	
.SH DESCRIPTION
This traces Java methods if the hotspot provider exists (1.6.0) and
the flag "+ExtendedDTraceProbes" is used. 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_syscalls.d
.PP
.SH FIELDS
.TP
PID
Process ID
.TP
TYPE
Type of call (method/syscall)
.TP
NAME
Name of call
.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_syscalls.d will run until Ctrl-C is hit.
.SH AUTHOR
Brendan Gregg
[CA, USA]
.SH SEE ALSO
dtrace(1M)