Re: [patch] voluntary-preempt-2.6.9-rc2-mm4-S7

[Lee Revell]

On Wed, 2004-09-29 at 16:30, Ingo Molnar wrote:
>  > 
> > >   http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc2-mm4-S7
> > 
> > Disabling latency tracing does not seem to work.  To demonstrate:

> is it the full modprobe latency trace, or just the header?  Putting zero
> into trace_enabled wont disable the critical-section-timing code - it
> only disables the function tracer. Since /proc/latency_trace takes the
> header portion from the latency-timing code that might change. To
> disable both do something like:
> 
>   echo 100000000 > /proc/sys/kernel/preempt_max_latency
>   echo 0 > /proc/sys/kernel/trace_enabled

OK, thanks for clarifying.

Lee


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