Re: [PATCH 0/9] oprofile: implement support of samples with variabledata size

[Maynard Johnson]

Robert Richter wrote:
> This patch series implements support of samples with variable data
> size. Current implementation has a fixed sample size of 2 unsigned
> longs. This makes it hard to implement use cases with a different
> sample size (AMD IBS or power pc cell) since buffer locking is
> required or samples my become incomplete. The internal cpu buffer
> usage has been changed now and allows the attachment of data with
> varable length to samples.
> 
> There are patches that also change the current ibs implementation. In
> the end the ibs implentation could be removed from the general
> oprofile code to model specific code. An API is available that
> provides generic functions to use variable sample sizes.
> 
> The patches are also available here:
> 
>  git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile.git oprofile-for-tip
This patch set looks fine.  Nice work!  I still need to test on a couple of platforms, though.  Feel free to bug me if I don't get back to you with results within a week or so.

-Maynard
> 
> -Robert
> 
> 
> 
> 
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