how to measure IRQ service latency

[neependra.khare at gmail.com]

On Wed, Dec 22, 2010 at 5:30 PM, Pradeep Kumar <pradeepkernel at gmail.com>wrote:

> hi,
>     can any one suggest a way to measure IRQ service latency? .
>

I believe you can measure it with Ftrace. You might need to use *irqsoff*tracer.
For reference:-
http://people.redhat.com/srostedt/

-- 
Regards,
Neependra
www.neependra.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20101222/610fecef/attachment.html