Re: [perfmon2] pfmon sampling issue about --follow-all

[Hucheng Z. <zho...@gm...>]

Thank you, Eranian.
Resolved.

On Thu, Dec 4, 2008 at 1:41 AM, stephane eranian <er...@go...>wrote:

> modprobe perfmon_pebs_core_smpl
>
>
> On Wed, Dec 3, 2008 at 9:28 AM, Hucheng Zhou <zho...@gm...>
> wrote:
> > Thanks, Eranian.
> > I have switched to root, that problem is gone.
> > Another issue is about pebs mode, which seems is not supported, why?
> > [root@osprey5 speccpu]# pfmon --follow-all --aggregate-results -e
> > MEM_LOAD_RETIRED:L2_MISS --no-cmd-output --with-header --smpl-module=pebs
> >  --short-smpl-periods=20011 --long-smpl-periods=50021 --resolve-addresses
> > --overflow-block --smpl-outfile=run-MEM_LOAD_RETIRED:L2_MISS-sampling --
> > /home/zhc/speccpu/bin/specinvoke -d
> > /home/zhc/speccpu/benchspec/CINT2000/175.vpr/run/00000004 -e speccmds.err
> -o
> > speccmds.out -f speccmds.cmd
> > cannot find requested kernel sampling format : pebs_core
> > Thanks.
> > On Wed, Dec 3, 2008 at 12:32 PM, stephane eranian <
> er...@go...>
> > wrote:
> >>
> >> On Wed, Dec 3, 2008 at 5:12 AM, Hucheng Zhou <zho...@gm...>
> >> wrote:
> >> > Note that I have run ulimit -s unlimited and ulimit -l unlimited.
> >> >
> >>
> >>
> >> You need to run as root to be able to do this otherwise I don't think
> >> ulimit -l unlimited
> >> works. You also need to do ulimit in the SAME shell as the one you run
> >> pfmon from.
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> > On Wed, Dec 3, 2008 at 12:09 PM, Hucheng Zhou <zho...@gm...
> >
> >> > wrote:
> >> >>
> >> >> Hi @ll:
> >> >>   I just hacked the runspec of SPEC to automatically run pfmon to
> >> >> collect
> >> >> counting information and sampling information.
> >> >>   However, I can correctly counting information in counting mode of
> >> >> pfmon,
> >> >> with --follow-all, but failed in sampling mode of pmon.
> >> >> [zhc@osprey5 speccpu]$ pfmon --follow-all --aggregate-results -e
> >> >> BUS_TRANS_BURST:ALL_AGENTS:BOTH_CORES --no-cmd-output --with-header
> >> >> --short-smpl-periods=20011 --long-smpl-periods=50021
> >> >> --resolve-addresses
> >> >> --overflow-block
> >> >> --smpl-outfile=run-BUS_TRANS_BURST:ALL_AGENTS:BOTH_CORES-sampling --
> >> >> /home/zhc/speccpu/bin/specinvoke -d
> >> >> /home/zhc/speccpu/benchspec/CINT2000/164.gzip/run/00000019 -e
> >> >> speccmds.err
> >> >> -o speccmds.out -f speccmds.cmd
> >> >> unknown ptrace event 0
> >> >> Not enough memory to create perfmon context for [10126],
> >> >> check your locked memory  resource limit with limit or ulimit
> >> >> session terminated by unrecoverable error
> >> >>   After remover the option --follow-all, pfmon can perform correctly,
> >> >> but
> >> >> the result sampling file is NULL.
> >> >> [zhc@osprey5 speccpu]$ pfmon --aggregate-results -e
> >> >> BUS_TRANS_BURST:ALL_AGENTS:BOTH_CORES --no-cmd-output --with-header
> >> >> --short-smpl-periods=20011 --long-smpl-periods=50021
> >> >> --resolve-addresses
> >> >> --overflow-block
> >> >> --smpl-outfile=run-BUS_TRANS_BURST:ALL_AGENTS:BOTH_CORES-sampling --
> >> >> /home/zhc/speccpu/bin/specinvoke -d
> >> >> /home/zhc/speccpu/benchspec/CINT2000/164.gzip/run/00000019 -e
> >> >> speccmds.err
> >> >> -o speccmds.out -f speccmds.cmd
> >> >>   Why I must use -follow-all is because that each SPEC benchmark is
> >> >> triggered by /home/zhc/speccpu/bin/specinvoke, otherwise, pfmon just
> >> >> can
> >> >> collect the PMU information of specinvoke.
> >> >>   Thanks for the incoming suggestions.
> >> >>
> >> >> --
> >> >> Institute of High Performance Computing,
> >> >>
> >> >> Department of Computer Science and Technology,
> >> >>
> >> >> Tsinghua University, Beijing, China, 100084.
> >> >
> >> >
> >> >
> >> > --
> >> > Institute of High Performance Computing,
> >> >
> >> > Department of Computer Science and Technology,
> >> >
> >> > Tsinghua University, Beijing, China, 100084.
> >> >
> >
> >
> >
> > --
> > Institute of High Performance Computing,
> >
> > Department of Computer Science and Technology,
> >
> > Tsinghua University, Beijing, China, 100084.
> >
>



-- 
Institute of High Performance Computing,

Department of Computer Science and Technology,

Tsinghua University, Beijing, China, 100084.