Re: linux-2.6.28-rc2 regression : oprofile doesnt work anymore ?

[Robert Richter]

On 07.11.08 14:02:49, Andi Kleen wrote:
> 
> Can you please test this patch and see if it solves the problem?
> 
> Thanks,
> -Andi
> 
> ---
> 
> oprofile: Fix p6 counter overflow check
> 
> Fix the counter overflow check for CPUs with counter width > 32
> 
> I had a similar change in a different patch that I didn't submit
> and I didn't notice the problem earlier because it was always
> tested together.
> 
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

Andi,

your patch fixes the initial bug that stops sampling immediately after
starting. The issue Eric mentions seems to be a different problem. I
am also not able to reproduce this. Your patch on top of rc3 continues
sampling at least for several minutes.

I will apply your fix.

Thanks Andi,

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@xxxxxxx

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