topsyscall(1) · macOS Kılavuz Sayfası

Synopsis

       topsyscall [-Cs] [interval [count]]

Description

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,
	      # topsyscall

       Print every 5 seconds,
	      # topsyscall 5

       Print a scrolling output,
	      # topsyscall -C

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.

Author

Brendan Gregg [Sydney, Australia]

topsyscall