linux-kernel - Re: [Patch v3 0/5] Bug fixes on topdown events reordering

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Message-ID: <5de31aa1-8103-4f73-8134-4efe04a73295@linux.intel.com>
Date: Mon, 12 Aug 2024 13:43:39 +0800
From: "Mi, Dapeng" <dapeng1.mi@...ux.intel.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
 Arnaldo Carvalho de Melo <acme@...nel.org>,
 Namhyung Kim <namhyung@...nel.org>, Ian Rogers <irogers@...gle.com>,
 Adrian Hunter <adrian.hunter@...el.com>,
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
 Kan Liang <kan.liang@...ux.intel.com>
Cc: linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
 Yongwei Ma <yongwei.ma@...el.com>, Dapeng Mi <dapeng1.mi@...el.com>
Subject: Re: [Patch v3 0/5] Bug fixes on topdown events reordering

Hi Ian,

Kindly ping, any comments here? Thanks.

On 7/13/2024 1:03 AM, Dapeng Mi wrote:
> Changes:
> v2 -> v3:
>   * Refine arch_is_topdown_metrics() (Kan Liang)
>   * Only move topdown metric events forward when they are not in the
>     group with previous event (Ian)
>   * Check if topdown events is supported before test topown events
>     leader sampling (Kan Liang)
>
> History:
>   v1: https://lore.kernel.org/all/20240702224037.343958-1-dapeng1.mi@linux.intel.com/
>   v2: https://lore.kernel.org/all/20240708144204.839486-1-dapeng1.mi@linux.intel.com/
>
>
> Dapeng Mi (5):
>   perf x86/topdown: Complete topdown slots/metrics events check
>   perf x86/topdown: Correct leader selection with sample_read enabled
>   perf x86/topdown: Don't move topdown metric events in group
>   perf tests: Add leader sampling test in record tests
>   perf tests: Add topdown events counting and sampling tests
>
>  tools/perf/arch/x86/util/evlist.c  | 13 +++++--
>  tools/perf/arch/x86/util/evsel.c   |  3 +-
>  tools/perf/arch/x86/util/topdown.c | 62 +++++++++++++++++++++++++++++-
>  tools/perf/arch/x86/util/topdown.h |  2 +
>  tools/perf/tests/shell/record.sh   | 45 ++++++++++++++++++++++
>  tools/perf/tests/shell/stat.sh     |  6 +++
>  6 files changed, 124 insertions(+), 7 deletions(-)
>
>
> base-commit: 73e931504f8e0d42978bfcda37b323dbbd1afc08