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 B1333515884 for ; Thu, 17 Sep 2026 16:54:44 +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=1789664085; cv=none; b=BuL0uZo2QzKSaAjoqiO5VWpKL0Q4vhYSnUvmVW4eo2a5/uoLb3nHvggGhgR0Ej3iG2FY3TGzn5ZIOBYPxmnpr3+Ur+zFgNfaq1xielHIvUdSUZr1vYLx2Sd3FYqDjtQSmVtEW5UQWE0lX2vJBdThAKh7IOxYi/bUEwE6H7dpG0g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789664085; c=relaxed/simple; bh=ILYxaEInSSlvem2GVTlXGQqeJjwq6k11wYu45qatTlI=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=BAOrsGD1z7YnyszrBPJHccSj21pQWCAXEOw/WFjgMxm0z4wfTJsmRR3K0p4Zy2Nt1KsVJz2F010j6XstjUevxH79KdoFUX82HjhBTkNW7eNntL75g0t0837mZf+dLtqx9FpUtxMlUnevhRpI/PO/29nUYEbOEWDi+5Fx6n1fABc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dj/+vDwY; 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="dj/+vDwY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5114A1F00898; Thu, 17 Sep 2026 16:54:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789664084; bh=ILYxaEInSSlvem2GVTlXGQqeJjwq6k11wYu45qatTlI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=dj/+vDwYLsCwgT7lPwTmZtsj39w/qdIRUwNSgmh5H/NAfYp3yFty9PTYc7XmOXJ5l YFVm7+6BlQgFN4gxO0V1ExRVC0hfQOTAMdkOC1CV6uZkToJWYLg2wvimIBaIwZe2G+ BffdblF1n6w2/8QKJjKDmybyWo3QGisVEXEcYu0lmKpKcbo/OC8+Z4KoIxESTdqqOa VrRgS6wMtwWznmxdOCjsIi6hvNNugPbou3jmZ+woDNHXfhQUV07urAbI78De6d2rM7 EgYw4Rxa6TAYG/CO7kXwLMX23sTTLAH0W8Kd6AIcSAvawO/qMBv3yNw/hFZFayVQnD PPaekF0MWHbRA== From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 12/14] perf test trace_btf_general: Drop --max-events=1 and make non-exclusive Reply-To: sashiko-reviews@lists.linux.dev To: "Ian Rogers" Cc: linux-perf-users@vger.kernel.org In-Reply-To: References: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 17 Sep 2026 16:54:43 +0000 Message-Id: <20260917165444.5114A1F00898@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > trace_btf_general.sh used `--max-events=3D1` with `perf trace` on > commands such as `mv`, `echo`, and `sleep`. When background activity > occurs or tests run in parallel, `perf trace` can capture an event > from an unrelated process and exit prematurely before recording the > target command's syscalls. >=20 > Drop `--max-events=3D1` and let tracing run until the command completes, > checking for the expected output with grep (matching trace_btf_enum.sh). > Remove the (exclusive) tag so the test runs in parallel. >=20 > Running perf trace in parallel is only safe now that the probe tests no > longer name their probes "vfs_getname...": perf trace opens everything > matching a hardcoded "probe:vfs_getname*" wildcard, which used to pin > those probes and make their cleanup fail with -EBUSY. >=20 > Assisted-by: Antigravity:gemini-3.1-pro > Signed-off-by: Ian Rogers Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/cover.1789662556.gi= t.irogers@google.com?part=3D12