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Re: VTune Event based sampling and Athlon XP

Discussion in 'Intel' started by Michael Brown, Jul 30, 2003.

  1. "Yusuf Motiwala" <> wrote in message
    news:...
    > Hi,
    >
    > I downloaded eval copy of VTune 7.0 and surprised to know that I can't
    > do event based sampling on Athlon systems. VTune documentation says:
    >
    > "EBS can be run on the Intel. Pentium. Pro, Pentium. II, Pentium. II
    > XeonT, Celeron., Pentium. III, Pentium. III XeonT, Pentium. 4, and
    > Itanium. processors. The processors' performance counters can be
    > configured to monitor one or more events"
    >
    > Is this Vtune or athlon limit? My system is Athlon XP 2000.


    A VTune limit. It would be trivial to add support for the Athlon, but for
    some unknown reason <g> they don't want to. I thought I saw a non-Intel
    patch to do this somewhere a while ago (gave the same counters as a P2 or
    PPro or something), but I google doesn't seem to know about it.

    --
    Michael Brown
    www.emboss.co.nz : OOS/RSI software and more :)
    Add michael@ to emboss.co.nz - My inbox is always open
     
    Michael Brown, Jul 30, 2003
    #1
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  2. Michael Brown

    Olivier Guest

    "Michael Brown" <> wrote in message news:<GQHVa.96867$>...
    > "Yusuf Motiwala" <> wrote in message
    > news:...
    > > Hi,
    > >
    > > I downloaded eval copy of VTune 7.0 and surprised to know that I can't
    > > do event based sampling on Athlon systems. VTune documentation says:
    > >
    > > "EBS can be run on the Intel. Pentium. Pro, Pentium. II, Pentium. II
    > > XeonT, Celeron., Pentium. III, Pentium. III XeonT, Pentium. 4, and
    > > Itanium. processors. The processors' performance counters can be
    > > configured to monitor one or more events"
    > >
    > > Is this Vtune or athlon limit? My system is Athlon XP 2000.

    >
    > A VTune limit. It would be trivial to add support for the Athlon, but for
    > some unknown reason <g> they don't want to. I thought I saw a non-Intel
    > patch to do this somewhere a while ago (gave the same counters as a P2 or
    > PPro or something), but I google doesn't seem to know about it.


    Probably the same reason why Intel never added support for 3DNow
    instructions in their compiler's inline assembler.

    Olivier
     
    Olivier, Jul 31, 2003
    #2
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  3. (Olivier) wrote in message news:<>...
    > "Michael Brown" <> wrote in message news:<GQHVa.96867$>...
    > > "Yusuf Motiwala" <> wrote in message
    > > news:...
    > > > Hi,
    > > >
    > > > I downloaded eval copy of VTune 7.0 and surprised to know that I can't
    > > > do event based sampling on Athlon systems. VTune documentation says:
    > > >
    > > > "EBS can be run on the Intel. Pentium. Pro, Pentium. II, Pentium. II
    > > > XeonT, Celeron., Pentium. III, Pentium. III XeonT, Pentium. 4, and
    > > > Itanium. processors. The processors' performance counters can be
    > > > configured to monitor one or more events"
    > > >
    > > > Is this Vtune or athlon limit? My system is Athlon XP 2000.

    > >
    > > A VTune limit. It would be trivial to add support for the Athlon, but for
    > > some unknown reason <g> they don't want to. I thought I saw a non-Intel
    > > patch to do this somewhere a while ago (gave the same counters as a P2 or
    > > PPro or something), but I google doesn't seem to know about it.

    >
    > Probably the same reason why Intel never added support for 3DNow
    > instructions in their compiler's inline assembler.
    >
    > Olivier


    I think VTune is something that Intel makes to benefit Intel
    processors running an app. I really doubt Intel is trying to get into
    the general software business since Intel primarily sells hardware.
    Given this, why would the tool support the low-level performance stuff
    on competitor CPUs? (doesn't make sense)
     
    michael portnoy, Jul 31, 2003
    #3
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