creation, context switch time of process and thread

richard -rw- weinberger richard.weinberger at gmail.com
Fri May 25 03:20:37 EDT 2012


On Thu, May 24, 2012 at 2:25 PM, Srinivas Ramanan
<srinivas.ramanan at gmail.com> wrote:
> Can someone give the  information of following typical values in Kernel 3.x
> in a 2Ghz machine with sufficient RAM
>
> Process creation time ?
> Process context switch time ?
> pthread creation time ?
> pthread context swich  time ?
> kernel thread creation time ?
> kernel thread context swich  time ?
>
> What is the best way to measure these values?

You can use events like sched_switch.
See: /sys/kernel/debug/tracing/events/sched/

-- 
Thanks,
//richard



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