linux-kernel - Re: [PATCH v5 0/2] [PATCH v4 0/2] perf arm-spe: Add support for SPE Data Source packet on AmpereOne

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Message-ID: <e81bcabd-11fc-45f7-abfd-05b569b1c18f@linaro.org>
Date: Wed, 13 Nov 2024 10:42:03 +0000
From: James Clark <james.clark@...aro.org>
To: Ilkka Koskinen <ilkka@...amperecomputing.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-perf-users@...r.kernel.org,
 linux-kernel@...r.kernel.org, John Garry <john.g.garry@...cle.com>,
 Will Deacon <will@...nel.org>, Mike Leach <mike.leach@...aro.org>,
 Leo Yan <leo.yan@...ux.dev>, Peter Zijlstra <peterz@...radead.org>,
 Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>,
 Namhyung Kim <namhyung@...nel.org>, Mark Rutland <mark.rutland@....com>,
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
 Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
 Adrian Hunter <adrian.hunter@...el.com>,
 "Liang, Kan" <kan.liang@...ux.intel.com>,
 Graham Woodward <graham.woodward@....com>
Subject: Re: [PATCH v5 0/2] [PATCH v4 0/2] perf arm-spe: Add support for SPE
 Data Source packet on AmpereOne



On 08/11/2024 8:29 pm, Ilkka Koskinen wrote:
> v1:
> 	* https://lore.kernel.org/all/20241024233035.7979-1-ilkka@os.amperecomputing.com/
> 
> v2:
> 	* Doesn't use read_cpuid_implementor() anymore as that was broken and
> 	  unnecessary.
> 	* Convert AmpereOne source field to matching common source fields to
> 	  avoid duplicating the code.
> 	* Rebased on top of perf-tools-next/perf-tools-next (ba993e5ada1d)
> 	* https://lore.kernel.org/all/20241031213533.11148-1-ilkka@os.amperecomputing.com/
> 
> v3:
> 	* Changed source mapping to simple switch statement
> 	* Dropped is_xyz() stuff
> 	* Added table to map midr to data source decoding function
> 	* https://lore.kernel.org/all/20241106193740.6159-1-ilkka@os.amperecomputing.com/
> 
> v4:
> 	* Split midr/decoding function table
> 	* Made AmpereOne DS decoding function to ignore unknown sources
> 	* https://lore.kernel.org/all/20241108010911.58412-1-ilkka@os.amperecomputing.com/
> 
> v5:
> 	* Moved data_source_handles[] to fix the build issue
> 
> Ilkka Koskinen (2):
>    perf arm-spe: Prepare for adding data source packet implementations
>      for other cores
>    perf arm-spe: Add support for SPE Data Source packet on AmpereOne
> 
>   .../util/arm-spe-decoder/arm-spe-decoder.h    |  9 ++
>   tools/perf/util/arm-spe.c                     | 86 ++++++++++++++++---
>   2 files changed, 83 insertions(+), 12 deletions(-)
> 

Reviewed-by: James Clark <james.clark@...aro.org>