Re: [perfmon2] pfmon for parallel applications

[Carole Wu <cw...@gm...>]

Hi,

Thanks for replying to my question.

Yes, the application runs to completion without pfmon.

--Carole

On Mon, Jul 11, 2011 at 9:26 PM, Vince Weaver <vwe...@ee...> wrote:

>
> both this and your previous question make it look like your benchmarks are
> being killed abnormally by a signal.  Do they run to completion when you
> run them without pfmon?  You might need to attach a debugger to see
> exactly what is going wrong.
>
> There aren't many peple working on perfmon2 anymore so you might not get
> many detailed answers to questions like this.
>
> Vince
>
>
> On Mon, 11 Jul 2011, Carole Wu wrote:
>
> > Hi,
> >
> > I am trying to analyze performance for a variety of parallel applications
> > using perfmon2; however, i haven't had any success yet.
> >
> > For example, to collect the number of offcore requests, I used the
> following
> > command (see below). But the printed message seems to suggest the
> reported
> > count is a bogus value.
> >
> > Can anyone help with this?
> >
> > Thanks very much in advance,
> > Carole
> >
> > pfmon --verbose --no-cmd-output -eOFFCORE_REQUESTS:ANY --system-wide
> > --cpu-list=0 -- taskset -c 0 ./bin/canneal 1 10000 2000 100000.nets 32
> >
> > selected CPUs (1 CPU in set, 8 CPUs online): CPU0
> > measuring at user privilege level ONLY
> > 1 event set(s) defined
> > long  sampling periods(val/mask/seed): 0/0x0/0
> > short sampling periods(val/mask/seed): 0/0x0/0
> > unavailable_pmcs=0xffffffff8000fff0
> > unavailable_pmds=0x6008fff0
> > [PERFEVTSEL0(pmc0)=0x5180b0 event_sel=0xb0 umask=0x80 os=0 usr=1 anythr=0
> > en=1 int=1 inv=0 edge=0 cnt_mask=0] OFFCORE_REQUESTS
> > [PMC0(pmd0)]
> > pmd setup for event set0:
> > [pmd0 set=0 ival=0x0 long_rate=0x0 short_rate=0x0 mask=0x0 seed=0
> > randomize=n]
> > system wide session on 1 processor(s)
> > vCPU0 -> pCPU0
> > [32077] results are on terminal
> > waiting for [32078] to exec
> > starting process [32078]: taskset -c
> 0/home/carole/parsec-2.1/pkgs/kernels/canneal/inst/amd64-linux.gcc/bin/canne
> > al 1 10000 2000 100000.nets 32
> > CPU0 started monitoring
> > process [32078] terminated by signal, results may be incorrect
> > CPU0    stopped monitoring
> > CPU0    22718 OFFCORE_REQUESTS:ANY
> >
> >
> >
> >
> >
>
> Vince
> vwe...@ee...