Re: perf stat: Doubt about stall cycle support

[yipeng <yipeng@gmail.com>]

On Thu, Mar 22, 2012 at 9:17 AM, Vince Weaver <vweaver1@eecs.utk.edu> wrote:
>
> What kind of stalls are you looking to measure?
>
> The core2 supports many kind of stall events.  Check out Intel Vol3b
> documentation, or the libpfm4 showevtinfo utility for a list of them all.
>
> perf only directly supports a small subset of "generalized" events, and
> only then if a kernel developer bothers to hook up the proper events in
> the kernel sources.
>
> If you do find a likely event you want to use, you can make perf use it as
> a "raw" event.

Vince, resource stalls is close to what I was looking for.

libpfim4 and raw events set me on the right direction, thanks!

Yipeng