Programming program individual hardware CPU performance counters with desired hardware events

Programming program individual hardware CPU performance counters with desired hardware events

[utsav kanani]

Hi,



I searched a lot but was not able to find this information.

What tool can i use to program individual hardware CPU performance counters
with desired hardware events.




For eg. say i want to program General Purpose Counter 3 on intel CPU to
monitor Retired Instructions.




Is this possible using Oprofile or Linux perf? If yes can you point me to
the correct documentation or give an example on how to do this.

If no is there any other tool available which is capable of going to that
granularity.







Thanks,

UK
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Programming program individual hardware CPU performance counters with desired hardware events

[Mulyadi Santosa]

Hi..

On Tue, Feb 14, 2012 at 02:09, utsav kanani <utsavjkanani@gmail.com> wrote:
> Is this possible using Oprofile or Linux perf? If yes can you point me to
> the correct documentation or give an example on how to do this.

yep, oprofile is your friend here. Oprofile website has the complete
documentation. Also check its man page.

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com

Programming program individual hardware CPU performance counters with desired hardware events

[utsav kanani]

>yep, oprofile is your friend here. Oprofile website has the complete
>documentation. Also check its man page.


But oprofile does not allow to program a particular counter.

One can specify a performance event in oprofile but has no control on the
counter that a performance event gets scheduled on.

I want something where i can control the counter on which the performance
events gets scheduled.

Thanks,
UK
On Mon, Feb 13, 2012 at 7:52 PM, Mulyadi Santosa
<mulyadi.santosa@gmail.com>wrote:

> Hi..
>
> On Tue, Feb 14, 2012 at 02:09, utsav kanani <utsavjkanani@gmail.com>
> wrote:
> > Is this possible using Oprofile or Linux perf? If yes can you point me to
> > the correct documentation or give an example on how to do this.
>
> yep, oprofile is your friend here. Oprofile website has the complete
> documentation. Also check its man page.
>
>
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