How to calculate a process %CPU from /proc

kbarani · 01-22-2009, 05:22 AM

Hi all,
How to find/calculate a process %CPU from , linux /proc/pid/stat.
Thanks
barani

rizhun · 01-22-2009, 05:51 AM

If you know the pid, how about:

Code:

$ ps aux | grep ${PID} | grep -v grep | awk '{print $3}'

kbarani · 01-22-2009, 11:31 PM

Hi,

I am going to calculate a process %CPU through program and linux /proc/pid/stat , i wont use the linux commands like ps , top. pls tell me how to calculate a process %CPU.

Thanks,
Barani