Re: [PATCH v2 1/5] perf vendor events intel: Add core event list for Alderlake-N

From: Ian Rogers
Date: Wed Nov 23 2022 - 18:33:55 EST


On Wed, Nov 23, 2022 at 5:40 AM Arnaldo Carvalho de Melo
<acme@xxxxxxxxxx> wrote:
>
> Em Wed, Nov 23, 2022 at 10:37:05AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Nov 21, 2022 at 01:17:12PM -0800, Ian Rogers escreveu:
> > > On Mon, Nov 21, 2022 at 12:19 AM <zhengjun.xing@xxxxxxxxxxxxxxx> wrote:
> > > >
> > > > From: Zhengjun Xing <zhengjun.xing@xxxxxxxxxxxxxxx>
> > > >
> > > > Alderlake-N only has E-core, it has been moved to non-hybrid code path on
> > > > the kernel side. Add core event list for Alderlake-N, it is based on the
> > > > ADL gracemont v1.16 JSON file.
> > > >
> > > > https://github.com/intel/perfmon/tree/main/ADL/events/
> > > >
> > > > Signed-off-by: Zhengjun Xing <zhengjun.xing@xxxxxxxxxxxxxxx>
> > > > Reviewed-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
> > >
> > > Acked-by: Ian Rogers <irogers@xxxxxxxxxx>
> >
> > Is this just for 1/5? Or can I stick it to the whole series?
>
> But, after applying 1/5 I get:
>
> CC /tmp/build/perf/util/data-convert-bt.o
> CC /tmp/build/perf/util/data-convert-json.o
> /tmp/build/perf/pmu-events/pmu-events.c:55354:39: error: ‘pme_alderlaken’ defined but not used [-Werror=unused-const-variable=]
> 55354 | static const struct compact_pmu_event pme_alderlaken[] = {
> | ^~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> make[3]: *** [/var/home/acme/git/perf/tools/build/Makefile.build:97: /tmp/build/perf/pmu-events/pmu-events.o] Error 1
> make[2]: *** [Makefile.perf:711: /tmp/build/perf/pmu-events/pmu-events-in.o] Error 2
> make[2]: *** Waiting for unfinished jobs....
> CC /tmp/build/perf/util/lzma.o
> CC /tmp/build/perf/util/zlib.o
> CC /tmp/build/perf/util/jitdump.o
> CC /tmp/build/perf/util/bpf-event.o
> LD /tmp/build/perf/util/perf-in.o
> LD /tmp/build/perf/perf-in.o
> make[1]: *** [Makefile.perf:240: sub-make] Error 2
> make: *** [Makefile:113: install-bin] Error 2
> make: Leaving directory '/var/home/acme/git/perf/tools/perf'
>
> Performance counter stats for 'make -k BUILD_BPF_SKEL=1 CORESIGHT=1 O=/tmp/build/perf -C tools/perf install-bin':
>
> 26,049,918,108 cycles:u
> 47,580,273,158 instructions:u # 1.83 insn per cycle
>
> 4.655423698 seconds time elapsed
>
> 6.211852000 seconds user
> 5.060661000 seconds sys
>
>
> ⬢[acme@toolbox perf]$
>
> Please fix it and send a v2.
>
> - Arnaldo

Thanks Arnaldo, my acked-by was for the whole series (missing cover
letter in v2). The mapfile.csv change was reordered in v2, I asked for
this. I think that change needs squashing into this one to avoid the
unused case.

Thanks,
Ian