Hi Stephane,
The kernel does support uncore PMU. The directory /sys/devices has all the
uncore information shown below
- uncore_cbox_ {0-9}
- uncore_ha_0
- uncore_imc_{0-3}
- uncore_pcu
- uncore_r2pcie
- uncore_r3qpi_0
- uncore_ubox
Thanks
Qiong
On Sun, Jun 28, 2015 at 11:44 PM, Stephane Eranian <eran...@googlemail.com>
wrote:
> Hi,
>
> On Mon, Jun 29, 2015 at 1:57 AM, Qiong Cai <qiong....@gmail.com> wrote:
> > Hi Stephane,
> >
> > The following command does not work on my IVB machine:
> >
> >> sudo ./syst -e IVBEP_UNC_IMC0::UNC_M_ACT_COUNT:RD
> > syst: event IVBEP_UNC_IMC0::UNC_M_ACT_COUNT:RD: event not found
> > syst: cannot setup events
> >
> > My machine is Intel Xeon CPU E5-2660 v2@2.20 (IVB-EP).
> >
> > Any quick fix?
> >
> Do you have a kernel which supports the IVB-EP uncore PMU?
> For that, you need to check if /sys/devices/uncore_imc0 exists.
> If not, then you need to update your kernel.
>
> >
> > thanks
> > Qiong
> >
> > On Thu, Jun 25, 2015 at 3:31 PM, Stephane Eranian <
> eran...@googlemail.com>
> > wrote:
> >>
> >> On Thu, Jun 25, 2015 at 11:50 PM, Qiong Cai <qiong....@gmail.com>
> wrote:
> >> > I should explain a bit better. Actually, I want to collect the uncore
> >> > events, which are shared by all cores in a socket.
> >> >
> >> Uncore events are ony supported in system-wide mode. You cannot use the
> >> task example for this, use syst_count instead.
> >>
> >> > For example, the following command works:
> >> > sudo ./syst -e UNC_M_ACT_COUNT:RD
> >> >
> >> > But the following two commands do not work
> >> > sudo ./syst -e IVBEP_UNC_IMC0:UNC_M_ACT_COUNT:RD
> >> > sudo ./syst -e ivbep_unc_imc0:UNC_M_ACT_COUNT:RD
> >> Your syntax is wrong. The PMU identifier must be followed by a
> >> double :
> >> sudo ./syst -e IVBEP_UNC_IMC0::UNC_M_ACT_COUNT:RD
> >>
> >> >
> >> > I am trying to figure out how to pass an uncore event with a
> particular
> >> > PMU
> >> > to the command.
> >> >
> >> > Thanks
> >> > Qiong
> >> >
> >> >
> >> >
> >> > On Thu, Jun 25, 2015 at 2:37 PM, Leonardo Piga <
> leonardo.p...@gmail.com>
> >> > wrote:
> >> >>
> >> >> Hi Qiong,
> >> >>
> >> >> Please see if this thread helps you.
> >> >>
> >> >>
> >> >>
> https://www.mail-archive.com/perfmon2-devel@lists.sourceforge.net/msg03322.html
> >> >>
> >> >> Take a look at Gary's answer, that might be useful to you.
> >> >>
> >> >> Regards,
> >> >> --
> >> >> Leonardo
> >> >>
> >> >>
> >> >>
> >> >> On Thu, Jun 25, 2015 at 3:56 PM, Qiong Cai <qiong....@gmail.com>
> wrote:
> >> >> > Hi,
> >> >> >
> >> >> > I am trying to pass the following uncore event to the "task" binary
> >> >> > under
> >> >> > perf_example.
> >> >> >
> >> >> > - PMU: ivbep_unc_imc0
> >> >> > - Name: UNC_M_PRE_COUNT
> >> >> > - Mask: PAGE_MISS
> >> >> >
> >> >> >
> >> >> > Is it possible to track uncore counter by using "task" binary? If
> >> >> > not,
> >> >> > what
> >> >> > changes I should make?
> >> >> >
> >> >> > Thanks
> >> >> > Qiong
> >> >> >
> >> >> >
> >> >> >
> >> >> >
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> >> >> > perfmon2-devel mailing list
> >> >> > perfmon2-devel@lists.sourceforge.net
> >> >> > https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
> >> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
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> >> >
> >
> >
>
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