topsysproc(1) USER COMMANDS topsysproc(1)
NAME
topsysproc - top syscalls by process name. Uses DTrace.
SYNOPSIS
topsysproc [-Cs] [interval [count]]
DESCRIPTION
This program continually prints a report of the number of system calls
by process name, and refreshes the display every 1 second or as speci-
fied at the command line. Similar data can be fetched with "prstat -m".
Since this uses DTrace, only users with root privileges can run this
command.
OPTIONS
-C don't clear the screen
-s print per second values
EXAMPLES
Default output, 1 second updates,
# topsysproc
Print every 5 seconds,
# topsysproc 5
Print a scrolling output,
# topsysproc -C
FIELDS
load avg
load averages, see uptime(1)
syscalls
total syscalls in this interval
syscalls/s
syscalls per second
PROCESS
process name
COUNT total syscalls in this interval
COUNT/s
syscalls per second
NOTES
There may be several PIDs with the same process name.
DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs direc-
tory. The DTraceToolkit docs may include full worked examples with ver-
bose descriptions explaining the output.
EXIT
topsysproc will run until Ctrl-C is hit.
AUTHOR
Brendan Gregg [Sydney, Australia]
SEE ALSO
dtrace(1M), prstat(1M)
version 0.90 Jun 13, 2005 topsysproc(1)
Mac OS X 10.6 - Generated Thu Sep 17 20:09:23 CDT 2009