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Date: Thu, 5 May 2022 23:03:30 +0800
From: Leo Yan <leo.yan@...aro.org>
To: Ali Saidi <alisaidi@...zon.com>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, german.gomez@....com,
acme@...nel.org, benh@...nel.crashing.org, Nick.Forrington@....com,
alexander.shishkin@...ux.intel.com, andrew.kilroy@....com,
james.clark@....com, john.garry@...wei.com, jolsa@...nel.org,
kjain@...ux.ibm.com, lihuafei1@...wei.com, mark.rutland@....com,
mathieu.poirier@...aro.org, mingo@...hat.com, namhyung@...nel.org,
peterz@...radead.org, will@...nel.org
Subject: Re: [PATCH v8 5/5] perf arm-spe: Use SPE data source for neoverse
cores
On Wed, May 04, 2022 at 06:48:50PM +0000, Ali Saidi wrote:
> When synthesizing data from SPE, augment the type with source information
> for Arm Neoverse cores. The field is IMPLDEF but the Neoverse cores all use
> the same encoding. I can't find encoding information for any other SPE
> implementations to unify their choices with Arm's thus that is left for
> future work.
>
> This change populates the mem_lvl_num for Neoverse cores as well as the
> deprecated mem_lvl namespace.
>
> Signed-off-by: Ali Saidi <alisaidi@...zon.com>
> Reviewed-by: German Gomez <german.gomez@....com>
> Reviewed-by: Leo Yan <leo.yan@...aro.org>
> Tested-by: Leo Yan <leo.yan@...aro.org>
Thanks for updating, Ali. It looks good to me.
Since the store operations have been set as PERF_MEM_LVL_NA and
PERF_MEM_LVLNUM_NA, this is right thing for me, I will update perf c2c
patch set for statistics of store operations with PERF_MEM_LVL_NA.
Thanks,
Leo
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