Re: Measuring timer interrupt latency

Tim Sander
2009-04-13T11:05:10Z

HI Suresh
> Is there any test program which captures interrupt latency (for x86) ?
> I checked realfeel but it is user mode program and am not sure of its
> accuracy.
I've posted some code to this list on this 3.3.09 with the subject:
"Latency measurement module". Which does exactly that. ableit with the
small problem that the TSC is not in sync on AMD SMP machines.

Regards
Tim
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