Re: [PATCH] perf vendor events: Update Skylake client events to v50

From: Namhyung Kim
Date: Thu Nov 05 2020 - 23:22:13 EST


On Fri, Nov 6, 2020 at 12:12 PM Jin, Yao <yao.jin@xxxxxxxxxxxxxxx> wrote:
>
> Hi Namhyung,
>
> On 11/6/2020 11:00 AM, Namhyung Kim wrote:
> > Hi,
> >
> > On Wed, Nov 04, 2020 at 09:51:02AM +0800, Jin Yao wrote:
> >> - Update Skylake events to v50.
> >> - Update Skylake JSON metrics from TMAM 4.0.
> >> - Fix the issue in DRAM_Parallel_Reads
> >> - Fix the perf test warning
> >>
> >> Before:
> >>
> >> root@kbl-ppc:~# perf stat -M DRAM_Parallel_Reads -- sleep 1
> >> event syntax error: '{arb/event=0x80,umask=0x2/,arb/event=0x80,umask=0x2,thresh=1/}:W'
> >> \___ unknown term 'thresh' for pmu 'uncore_arb'
> >>
> >> valid terms: event,edge,inv,umask,cmask,config,config1,config2,name,period,percore
> >>
> >> Initial error:
> >> event syntax error: '..umask=0x2/,arb/event=0x80,umask=0x2,thresh=1/}:W'
> >> \___ Cannot find PMU `arb'. Missing kernel support?
> >>
> >> root@kbl-ppc:~# perf test metrics
> >> 10: PMU events :
> >> 10.3: Parsing of PMU event table metrics : Skip (some metrics failed)
> >> 10.4: Parsing of PMU event table metrics with fake PMUs: Ok
> >> 67: Parse and process metrics : Ok
> >>
> >> After:
> >>
> >> root@kbl-ppc:~# perf stat -M MEM_Parallel_Reads -- sleep 1
> >>
> >> Performance counter stats for 'system wide':
> >>
> >> 4,951,646 arb/event=0x80,umask=0x2/ # 26.30 MEM_Parallel_Reads (50.04%)
> >> 188,251 arb/event=0x80,umask=0x2,cmask=1/ (49.96%)
> >>
> >> 1.000867010 seconds time elapsed
> >>
> >> root@kbl-ppc:~# perf test metrics
> >> 10: PMU events :
> >> 10.3: Parsing of PMU event table metrics : Ok
> >> 10.4: Parsing of PMU event table metrics with fake PMUs: Ok
> >> 67: Parse and process metrics : Ok
> >>
> >> Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
> >
> > It seems not applied to acme/perf/core cleanly.
> >
> > Thanks,
> > Namhyung
> >
>
> It seems the patch mail is truncated. :(
>
> I attach the patch file in the mail. Sorry for inconvenience.

I've checked it fixed the perf test on my laptop (skylake).

Tested-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks,
Namhyung