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Old 09-10-2009, 06:00 PM   #1
Registered: Nov 2005
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ps command

ps command gives the cputime for a process.

Is there a way to find the time spent by a process in IO?
and also time spent on network (process level)?

Thanks in advance.
Old 09-10-2009, 10:31 PM   #2
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You can break up a process CPU time into user time and system time by looking at the /proc/PID/stat file. The 14th and 15th fields are the user time and kernel time in jiffies (typically 1/100th or 1/250th of a second, depending on your kernel).

For finer grained monitoring of system access, you can use /usr/bin/time -v application to give detail, or strace -c application to monitor all the system calls.

Last edited by neonsignal; 09-10-2009 at 10:43 PM.
Old 09-11-2009, 04:24 AM   #3
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Thanks my friend. That is a good info to start.


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