can we measure the traffic between user and kernel mode

[Mulyadi Santosa]

On Thu, Jan 27, 2011 at 10:42, loody <miloody at gmail.com> wrote:
> Dear all:
> Is there any directory under proc/sys or tools that can help us to
> measure the traffic between user and kernel mode?
> (such as ioctl, open, close, etc.)

By "traffic", you mean context switch latency? Perhaps you mean a tool
like lmbench?

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
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