Tricky situation with process cpu usage

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LEARN ABOUT OSX

topsyscall

topsyscall(1m)							   USER COMMANDS						    topsyscall(1m)

NAME

       topsyscall - top syscalls by syscall name. Uses DTrace.

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 ver-
       bose descriptions explaining the output.

EXIT

       topsyscall will run until Ctrl-C is hit, or the specified interval is reached.

AUTHOR

       Brendan Gregg [Sydney, Australia]

SEE ALSO

       dtrace(1M), prstat(1M)

version 0.90							   Jun 13, 2005 						    topsyscall(1m)

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Discussion started by: arun.viswanath

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Discussion started by: robot23

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process cpu usage

Discussion started by: cwsmichigan

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CPU Usage for a particular process

Discussion started by: jitendriya.dash