[ltt-dev] IRQ timing accuracy of LTTng?

Mathieu Desnoyers compudj at krystal.dyndns.org
Tue Sep 22 12:15:47 EDT 2009


What is your architecture and what LTTng version are you using ?

Mathieu

* Paul Huang (paulh0803 at gmail.com) wrote:
> Hi all,
> I used the LTTng to trace a touch panel driver on my device. From the
> resource viewer of LTTV, I found the IRQ of my touch panel driver is
> triggered every 10ms. But from the oscilloscope, the interrupt signal is
> triggered every 12ms. How does that happen?  Could anyone give me some
> advices? Thanks for your comments.

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-- 
Mathieu Desnoyers
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