From: sashiko-bot@kernel.org
To: "Arnaldo Carvalho de Melo" <acme@kernel.org>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 1/8] perf test: Skip data_type_profiling when the PMU cannot record memory events
Date: Sun, 13 Sep 2026 22:34:37 +0000 [thread overview]
Message-ID: <20260913223438.73EEF1F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260913222821.3353-2-acme@kernel.org>
> From: Arnaldo Carvalho de Melo <acme@redhat.com>
>
> The test records with 'perf mem record' in per-thread mode and its only
> guard matches one specific message:
>
> perf mem record -o /dev/null -- true 2>&1 | \
> grep -q "failed: no PMU supports the memory events" && exit 2
>
> A PMU that has memory events but refuses them per-thread falls through
> it, and AMD IBS does:
>
> $ perf mem record -o /dev/null -- true
> Error:
> Failure to open event 'ibs_op/ldlat=0/u' on PMU 'ibs_op' which will be removed.
> Invalid event (ibs_op/ldlat=0/u) in per-thread mode, enable system wide with '-a'.
> [ ... ]
> $ perf test "data type profiling"
> 87: perf data type profiling tests : FAILED!
>
> Assisted-by: LLM
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260913222821.3353-1-acme@kernel.org?part=1
next prev parent reply other threads:[~2026-09-13 22:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-13 22:28 [PATCH v3 0/8] perf tools: Annotate fixes, stdio progress indication, debuginfo-client in more places Arnaldo Carvalho de Melo
2026-09-13 22:28 ` [PATCH 1/8] perf test: Skip data_type_profiling when the PMU cannot record memory events Arnaldo Carvalho de Melo
2026-09-13 22:34 ` sashiko-bot [this message]
2026-09-13 22:28 ` [PATCH 2/8] perf debuginfo: Fetch debuginfo keyed by build ID using debuginfod Arnaldo Carvalho de Melo
2026-09-13 22:39 ` sashiko-bot
2026-09-13 22:28 ` [PATCH 3/8] perf symbol: Fall back to fetching the vmlinux by build ID Arnaldo Carvalho de Melo
2026-09-13 22:40 ` sashiko-bot
2026-09-13 22:28 ` [PATCH 4/8] perf annotate-data: Show the sample count in the data-type browser Arnaldo Carvalho de Melo
2026-09-13 22:35 ` sashiko-bot
2026-09-13 22:28 ` [PATCH 5/8] perf report: Add --progress option Arnaldo Carvalho de Melo
2026-09-13 22:39 ` sashiko-bot
2026-09-13 22:28 ` [PATCH 6/8] perf scripts: Add perf-stuck, to tell where a running perf is stuck Arnaldo Carvalho de Melo
2026-09-13 22:36 ` sashiko-bot
2026-09-13 22:28 ` [PATCH 7/8] perf annotate-data: Resolve type DIEs in the debug file they came from Arnaldo Carvalho de Melo
2026-09-13 22:37 ` sashiko-bot
2026-09-13 22:28 ` [PATCH 8/8] perf mem record: Request PERF_SAMPLE_CPU by default Arnaldo Carvalho de Melo
2026-09-13 22:43 ` sashiko-bot
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