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List:       oprofile-list
Subject:    Re: ppc970/cpc925 PMC registers
From:       Beth Noble <banoble () gmail ! com>
Date:       2005-12-06 20:56:48
Message-ID: e949974c0512061256r97ed260u3ca3454bf2af595f () mail ! gmail ! com
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Maynard,
Thanks.  I mean to count memory events across a piece of code.  I see
I can use PAPI on Linux/JS20 and I will begin going this route.
Thanks again,
Beth

On 12/5/05, Maynard Johnson <maynardj@us.ibm.com> wrote:
> Beth Noble wrote:
>
> > Would it be possible to profile CPC925 memory controller performance
> > counter events using oprofile on ppc970?
> I'm not exactly sure what you're asking.  When you say 'memory
> controller performance counter events', do you mean processor events
> like PM_DATA_FROM_MEM and PM_INST_FROM_MEM?  OProfile is intended for
> finding hotspots in application code.  Is that what you want to do?  Or
> are you wanting to count certain types of memory events across a
> particular piece of code?  If the latter is the case, PAPI might be a
> more appropriate tool.  What's the hardware you're running on?  JS20,
> Apple, or something else?
>
> Regards,
> -Maynard
> >
> > Thanks,
> > Beth
> >
> >
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>


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