[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 ?


* 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.

> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev

Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

More information about the lttng-dev mailing list