From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61A6918DB26 for ; Fri, 16 Oct 2026 00:26:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792110362; cv=none; b=UjQvNcHVbCIK+nexS99y7IpZw0TKwzZMZ1trthkHfZot6Nq1xypBHVDzAzs1NTOCq8mHAHzALP9Ot08HjBqXLSFExYnP9ZRpEAOkTmnu5eIH/sriSTjTFvuhi44eW/hKpstcNxzZ92Nxzp5OBqVp0MZIWl+8W61MGUtIRC98sJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792110362; c=relaxed/simple; bh=4yQVhDzFS7zYycvjfnttsdOJMkMrp6nSVNt0jVFc24w=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=FdG3PEw2K6apDqJvZr4B0DGdyBdamUk9eyd4/wN6Kt5gw3C2ScgAJxzJm3/YwHw3jWm+1jOkBrfoe7juyvvB2R45dDnR/jtWYtiNzcr/TkfeNbWWM1lLe39t7+Hyb3atzfTcmQxEn5z6hVsLsL86Y5RmKE7wHOgaghfIQsHbbow= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S514l+C7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S514l+C7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DAA8F1F000C4; Fri, 16 Oct 2026 00:26:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792110361; bh=4yQVhDzFS7zYycvjfnttsdOJMkMrp6nSVNt0jVFc24w=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=S514l+C7/NGwsZCiZeSzzF4GcAa78N68FugiXe8TvkweGDdcw0rvh5OmIl8wuUMyV 1ME9Ab4WAZSp9kxSlX+wgt8UODfBJ/mHt9HD1Q7grDR/9eDzQ+zJEtbRyMD/BhsdE3 4o3ADKO4AVUpyCQP5Ne72g3esu0AwT58l4m4GhSIF8/M0GVDz3h73qtNZyMZ/l9wmJ yeRQiIbGKoFs3zVI6LF3koqcO0m8+lGEcn7bLWXX5Ph2wCfyrNWA7pjvjqH/O6i8JD rIVCiKwCRHSMgQkrXYvTFluxoJJ36lnvSgH8QWC+gy92BvnK0nK4libhxvMFOfxMO5 emzdxFgULQ0GQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 17/19] perf tests: Mark the shell tests not mapping perf ring buffers Reply-To: sashiko-reviews@lists.linux.dev To: "Arnaldo Carvalho de Melo" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261016001843.71978-18-acme@kernel.org> References: <20261016001843.71978-1-acme@kernel.org> <20261016001843.71978-18-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 16 Oct 2026 00:26:00 +0000 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Arnaldo Carvalho de Melo >=20 > Shell tests run perf, that maps ring buffers, so they take a turn using > the per user budget in kernel.perf_event_mlock_kb by default; the ones > that don't map them, like the ones running just 'perf stat', say > " (no_mlock)" in their description line and thus keep running in parallel > with the ones taking turns. >=20 > The 'perf sched stats' tests are among them, they synthesize the samples > from /proc/schedstat without mapping a ring buffer, and the tests already > marked " (exclusive)" don't need it, exclusive implies every other > requisite and keeps them running alone. >=20 > Assisted-by: LLM > Signed-off-by: Arnaldo Carvalho de Melo Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261016001843.7197= 8-1-acme@kernel.org?part=3D17