Thread (6 messages) 6 messages, 3 authors, 2011-01-31

how to measure IRQ service latency

From: loody <hidden>
Date: 2011-01-13 04:53:59

hi:

2010/12/22 neependra.khare at gmail.com [off-list ref]:

On Wed, Dec 22, 2010 at 5:30 PM, Pradeep Kumar [off-list ref]
wrote:
quoted
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/
I go into the website and see a lot of files with suffix odp.
is there any document which can tell us how to use it?
sincerely,
miloody
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help