From: "Yoshihiro Furudera (Fujitsu)" <fj5100bi@fujitsu.com>
To: 'James Clark' <james.clark@linaro.org>
Cc: John Garry <john.g.garry@oracle.com>,
Will Deacon <will@kernel.org>, Mike Leach <mike.leach@linaro.org>,
Leo Yan <leo.yan@linux.dev>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
"Liang, Kan" <kan.liang@linux.intel.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-perf-users@vger.kernel.org"
<linux-perf-users@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Akio Kakuno (Fujitsu)" <fj3333bs@fujitsu.com>
Subject: RE: [PATCH] Remove some PMU events for FUJITSU-MONAKA
Date: Fri, 28 Feb 2025 09:55:05 +0000 [thread overview]
Message-ID: <OSZPR01MB6908AA7CEB24ED38F9289D6DD4CC2@OSZPR01MB6908.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <96b323eb-15b2-4b60-8522-83bf2f57694b@linaro.org>
Hi, James
Thank you for your comment.
> On 27/02/2025 5:40 am, Yoshihiro Furudera wrote:
> > The following events are not counted properly:
> >
> > 0x0037 LL_CACHE_MISS_RD
> > 0x400B L3D_CACHE_LMISS_RD
>
> These two are discoverable so will still appear in
> /sys/bus/event_source/devices/armv8_pmuv3_0/events/ if the hardware says
> they exist. It might be better to change the json strings of these two to warn that
> they don't work if that's the case, otherwise Perf will still list them and you'll be
> worse off.
I will leave these 2 events and
add a warning message to the description in the JSON file.
I will handle other events in the same way as these 2 events.
>
> > 0x0396 L2D_CACHE_REFILL_L3D_MISS
> > 0x039A L2D_CACHE_REFILL_L3D_MISS_PRF
> > 0x039B L2D_CACHE_REFILL_L3D_MISS_HWPRF 0x039C
> L2D_CACHE_REFILL_L3D_HIT
> > 0x03A0 L2D_CACHE_REFILL_L3D_HIT_PRF
> > 0x03A1 L2D_CACHE_REFILL_L3D_HIT_HWPRF
> >
Best Regards,
Yoshihiro Furudera
next prev parent reply other threads:[~2025-02-28 9:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-27 5:40 Yoshihiro Furudera
2025-02-27 10:53 ` James Clark
2025-02-28 9:55 ` Yoshihiro Furudera (Fujitsu) [this message]
2025-03-05 6:40 ` Yoshihiro Furudera (Fujitsu)
2025-03-05 9:37 ` James Clark
2025-03-07 3:10 ` Yoshihiro Furudera (Fujitsu)
2025-03-27 4:24 ` Koichi Okuno (Fujitsu)
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