From nobody Fri Dec 19 21:50:54 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 252211DE3DD; Tue, 28 Jan 2025 17:06:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738083992; cv=none; b=S7aMm4AqwpPjaDcjjpuJ4pY7ZzgxndfFiFxecbSI0zr8oHz/R006AiYfufubBMLV3xN+Unv0UzwHVaZwB6EcPiPKWHb3tsvy/dhaTGJXMvOiPuoHy7wdCDEpO+Aw+c4yzNQ3HIxmOF/fQPEk1wEXc57lf/47yqRmbNSwYLEi2xM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738083992; c=relaxed/simple; bh=YchOz+H4/2AYyopMRRy4/gs6+z2crgPtng6f+8x0F24=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WidRXJxsiCoJJUWMl7qk6UwSsB1zrDZL8D/nUyxYKH/IHvfGZULO7Et5SJULWIBtZhMUE5lONxHW5O/kNmex01eDcWzSzc90I25obCclm0Ih0mZJ0O04qXgx4cDs3p6UNfCarS6gnm7+e4zsBGCblXg4zaQL0YrThYadtDhDRwQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Vn3bdxet; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Vn3bdxet" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AE00C4CEE1; Tue, 28 Jan 2025 17:06:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738083992; bh=YchOz+H4/2AYyopMRRy4/gs6+z2crgPtng6f+8x0F24=; h=From:To:Cc:Subject:Date:From; b=Vn3bdxet7x/O2aWUWjdIQNwDBmuNomUh4dj7j/DF1YuExWbsJ+GbLW6/vxQgsZiNl 7dIUMRMCegkpWxhW6vyUniOz7JhpuLG81+smNgOdS/UiaIL6betb8rZ0cgSKt+61Ga cvyR/ERTbrcHdVpPsbRxh0h9pOWmakMnPhui5Z13vv6RcqF5IfgJK8c6ghf44/1cwH qY72cjoiAMHdY24FhPqfP2h0miMZjJ12pZCTHZWglT7PyEuFVdInc53ROGT3KgIdWT NcBEEryvPOHjvG1BAr5YyeW1jwmjupC8cjOvxv7Vm/0Hsla54yecSyP9e0xWpKlmqr 9K4sHjo0GniDw== From: Namhyung Kim To: Arnaldo Carvalho de Melo , Ian Rogers , Kan Liang Cc: Jiri Olsa , Adrian Hunter , Peter Zijlstra , Ingo Molnar , LKML , linux-perf-users@vger.kernel.org, Howard Chu Subject: [PATCH v2] perf test: Skip syscall enum test if no landlock syscall Date: Tue, 28 Jan 2025 09:06:29 -0800 Message-ID: <20250128170629.1251574-1-namhyung@kernel.org> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The perf trace enum augmentation test specifically targets landlock_ add_rule syscall but IIUC it's an optional and can be opt-out by a kernel config. Currently trace_landlock() runs `perf test -w landlock` before the actual testing to check the availability but it's not enough since the workload always returns 0. Instead it could check if perf trace output has 'landlock' string. Fixes: d66763fed30f0bd8c ("perf test trace_btf_enum: Add regression test fo= r the BTF augmentation of enums in 'perf trace'") Reviewed-by: Howard Chu Signed-off-by: Namhyung Kim --- v2) update comments according to Howard tools/perf/tests/shell/trace_btf_enum.sh | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/perf/tests/shell/trace_btf_enum.sh b/tools/perf/tests/sh= ell/trace_btf_enum.sh index 5a3b8a5a9b5cf296..8d1e6bbeac906843 100755 --- a/tools/perf/tests/shell/trace_btf_enum.sh +++ b/tools/perf/tests/shell/trace_btf_enum.sh @@ -26,8 +26,12 @@ check_vmlinux() { trace_landlock() { echo "Tracing syscall ${syscall}" =20 - # test flight just to see if landlock_add_rule and libbpf are available - $TESTPROG + # test flight just to see if landlock_add_rule is available + if ! perf trace $TESTPROG 2>&1 | grep -q landlock + then + echo "No landlock system call found, skipping to non-syscall tracing." + return + fi =20 if perf trace -e $syscall $TESTPROG 2>&1 | \ grep -q -E ".*landlock_add_rule\(ruleset_fd: 11, rule_type: (LANDLOCK= _RULE_PATH_BENEATH|LANDLOCK_RULE_NET_PORT), rule_attr: 0x[a-f0-9]+, flags: = 45\) =3D -1.*" --=20 2.48.1.262.g85cc9f2d1e-goog