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SubjectRe: [PATCH 00/19 V2] perf, c2c: Add new tool to analyze cacheline contention on NUMA systems
On Fri, Feb 28, 2014 at 10:57:48AM -0800, Andi Kleen wrote:
> Don Zickus <dzickus@redhat.com> writes:
> >
> > A handful of patches include re-enabling MMAP2 support and some fixes
> > to perf itself.
>
> I would suggest to pursue the lone kernel patch separately. Hopefully
> that can be merged soon, once the remainin problems with that are
> addressed.

Good point.

>
> >
> > Comemnts, feedback, anything else welcomed.
>
> As a high level comment, can you add support for CSV mode?
> (-x, in other tools)

It's there. :-)

perf c2c -r -x, report

will spit out raw records in CSV format.

>
> I assume most people would data mine the output in some form,
> and that's much easier with a more machine oriented format.
>
> Also you should probably have the standard perf conventions
> for output fds (--log-fd, --output, default to stderr). otherwise
> the output may often be lost.

Ok, I'll look into what that entails.

Thanks!

Cheers,
Don


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