linux-kernel - Re: [PATCH] perf cpumap: Fix die and cluster IDs

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Message-Id: <173809172447.948154.8687721946839031306.b4-ty@kernel.org>
Date: Tue, 28 Jan 2025 11:15:24 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: linux-perf-users@...r.kernel.org, acme@...nel.org, irogers@...gle.com, 
 James Clark <james.clark@...aro.org>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Mark Rutland <mark.rutland@....com>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Jiri Olsa <jolsa@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, 
 "Liang, Kan" <kan.liang@...ux.intel.com>, 
 Yicong Yang <yangyicong@...ilicon.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf cpumap: Fix die and cluster IDs

On Wed, 18 Dec 2024 11:55:51 +0000, James Clark wrote:
> Now that filename__read_int() returns -errno instead of -1 these
> statements need to be updated otherwise error values will be used as
> die IDs.
> 
> This appears as a -2 die ID when the platform doesn't export one:
> 
>   $ perf stat --per-core -a -- true
> 
> [...]
Applied to perf-tools, thanks!

Best regards,
Namhyung