From: sashiko-bot@kernel.org
To: "Thomas Richter" <tmricht@linux.ibm.com>
Cc: "Heiko Carstens" <hca@linux.ibm.com>,
linux-perf-users@vger.kernel.org, linux-s390@vger.kernel.org,
"Vasily Gorbik" <gor@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>
Subject: Re: [PATCH v2] perf test: perf stat tests fails on s390
Date: Thu, 03 Sep 2026 07:38:54 +0000 [thread overview]
Message-ID: <20260903073855.35D5F1F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260903073554.1300334-1-tmricht@linux.ibm.com>
> The test case 'perf stat tests' fails on s390 z/VM machines. The
> root cause is the unsupported CPU measurement facility on z/VM.
> Therefore the events cycles and instructions do not exist and
> are unsupported. This cause the subtest
> Hide zero events stat test
> to fail.
>
> Output before:
> # perf test 116
> 116: perf stat tests : FAILED!
>
> === Test Summary ===
> Passed main tests : 0
> Passed subtests : 0
> Skipped tests : 0
> [ ... ]
> Fixes: 64724095a33f ("perf stat: Add --hide-zero-events option to suppress zero-count events")
> Cc: Aaron Tomlin <atomlin@atomlin.com>
> Cc: Ian Rogers <irogers@google.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260903073554.1300334-1-tmricht@linux.ibm.com?part=1
next prev parent reply other threads:[~2026-09-03 7:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 7:35 [PATCH v2] perf test: perf stat tests fails on s390 Thomas Richter
2026-09-03 7:38 ` sashiko-bot [this message]
2026-09-03 18:17 ` Ian Rogers
2026-09-08 20:55 ` Arnaldo Carvalho de Melo
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