Re: Athlon64x2 problem with 2.6.18-rt4 and hrtimers

From: Lee Revell
Date: Wed Sep 27 2006 - 18:51:06 EST

On Wed, 2006-09-27 at 23:59 +0200, Thomas Gleixner wrote:
> Can you please switch on CONFIG_LATENCY_TRACE (depends on
> Use the latest version of cyclictest and add -b XXX to the command
> line,
> where XXX is the maximum latency in micro seconds. Once the latency is
> greater than the given maximum, the kernel tracer and cyclictest is
> stopped.
> Now you can read the kernel trace:
> cat /proc/latency_trace >trace.log
> The trace should give us more insight.

I thought latency tracing did not work on Athlon X2 due to the unsynced
TSCs problem?


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