topsyscall1m
Top syscalls by syscall name. uses dtrace.
Usage
topsyscall [-Cs]
[interval
[count]]
Overview
This program continually prints a report of the top system calls, and refreshes the display every 1 second or as specified at the command line.
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,
|
# |
|---|---|
Print every 5 seconds,
|
# |
Print a scrolling output,
|
# |
Fields
load avg
|
load averages, see uptime(1) |
|---|---|
syscalls
|
total syscalls in this interval |
syscalls/s
|
syscalls per second |
SYSCALL
|
system call name |
COUNT
|
total syscalls in this interval |
COUNT/s
|
syscalls per second |
Documentation
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with verbose descriptions explaining the output.
Exit
topsyscall will run until Ctrl-C is hit, or the specified interval is reached.
Releases
115 releases since Mac OS X 10.5; the text changed 1 time.