Gary,

On Thu, Feb 11, 2010 at 9:51 PM,  <gary.m...@bull.com> wrote:
> Hi Stephane
>
> Do you happen to know if perf_events has any plans to support Nehalem
> uncore events ??
>
Well, I don't know if anyone is working on this. But this is definitively on
my list of things to add. I don't like regressions!

As you may have seen I started fixing some of these regressions myself
by posting patches to LKML. The first priority was correct event -> counter
assignment. This is almost done now (at least on x86-tip). Next step is to
add the non-standard features, such as PEBS, LBR, uncore, offcore and
the likes. They will all be implemented because they are important to many
users.

> There are several events in this set that we view as being very important
> when trying to
> determine how memory is being accessed and what the impact of memory access
> is on
> an applications performance.
>
> We view this as a huge loss when we had to move from perfmon2 to
> perf_events and I
> am hoping you can tell me it is just a temporary regression.
>
> In addition this is probably not the best place to post questions about
> perf_events, can you
> point me to a better place to post these kind of questions ??
>
The normal place would be LKML.

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