Hi,

It all depends on what your /proc/cpuinfo shows for the 'pmu' line.
It needs to show nigara2 for libpfm4 to detect a Niagara 2 PMU.

Send me the output of cpuinfo.
thanks.


On Fri, Mar 18, 2011 at 10:30 AM, 陳韋任 <che...@iis.sinica.edu.tw> wrote:
> Hi, all
>
>  The output of `showevtinfo` in the libpfm4/examples is a little bit
> strange to me.
>
>  Here is my SPARC machine.
>
> $ uname -i
> UltraSparc T2 (Niagara2)
>
>  And here is the output of `showevtinfo`.
> -----------------------------------------------------------------------
> Supported PMU models:
>        [36, ultra12, "Ultra Sparc I/II"]
>        [37, ultra3, "Ultra Sparc III"]
>        [38, ultra3i, "Ultra Sparc IIIi"]
>        [39, ultra3p, "Ultra Sparc III+"]
>        [40, ultra4p, "Ultra Sparc 4+"]
>        [41, niagara1, "Sparc Niagara I"]
>        [42, niagara2, "Sparc Niagara II"]
>        [51, perf, "perf_events generic PMU"]
> Detected PMU models:
>        [51, perf, "perf_events generic PMU", 20 events, 1 max encoding, 0 
> counters, OS generic PMU]
> -----------------------------------------------------------------------
>
> It seems that libpfm4 didn't detect the underlying PMU model is
> niagara2. Is this normal? Do I have to do something to make libpfm4
> recognize niagara2?
>
>  Thanks!
>
> Regards,
> chenwj
>
> --
> Wei-Ren Chen (陳韋任)
> Parallel Processing Lab, Institute of Information Science,
> Academia Sinica, Taiwan (R.O.C.)
> Tel:886-2-2788-3799 #1667
>

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