From nobody Wed Apr 1 08:15:36 2026 Received: from mail-dy1-f202.google.com (mail-dy1-f202.google.com [74.125.82.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6A8E33B6E3 for ; Tue, 31 Mar 2026 18:05:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774980328; cv=none; b=ByWdNXiFzUPKYV6FshdPQNZ1DyeqwM7naKqvXN7upBSh//vHRcE+KoXI+AKPkr5uBE5SQuesqnU17AhZ7RIPsmpSe93HNqUYKd9+t0Rx8GFXHpddTCv7a2jpAZLshXI5XkRyvHF9L5dOf+pYntqhNoQu5fByfkAwgVxUdpsSPc0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774980328; c=relaxed/simple; bh=jY24kDcrTrXJ5ZqUpRCt0hVvN945zz/1ecHdLBvF+wE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=sKRz1ES6Ap8Lmcq/q+p8d6Wk4cE+NPZGMvmPwREckEKO2gh5EXi3HR2vZ+hlKC5q0+p0Wf76NrPxMtXIgA9MoCndGSznLFdFHCM3meX+pYSdAbSchKP/2rwxYPLoMGaRXxFtZSeTWtW6rMXxFkfWxt/Z/2DfJXQFwni5LXHwANY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=VO5YNwVs; arc=none smtp.client-ip=74.125.82.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VO5YNwVs" Received: by mail-dy1-f202.google.com with SMTP id 5a478bee46e88-2ba9a744f7dso6488097eec.0 for ; Tue, 31 Mar 2026 11:05:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1774980325; x=1775585125; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=Cn7FoXYW9ejkkjulKIZ3tlU8/vQCi8J/JUEU2GlXiJ8=; b=VO5YNwVsI0c2rVEdIHOdA2vZHUZiSTtygDmvZ0PcpJgqBGlLcbwWjSFf3zlPrqWLMA suWAKX1wq4RUYX9bZyKpLXbhFHBsuIfXNxmbYjmQ4SbAs0+jyJZBtTZGqFrgzefMej7C JFKAdgUUdfzRXbsfyVKVsssfJPzpgji2DQJSHluLZvRDdoSA0+9AsseHAs8tWabJMtl5 +o+q7jopICNawkcTJ2BOin4WlQwGPFNLlG5zCB/Htb/c40s6oC30G93SGHNrhm7g536s bIbYYHtVJuxwfhaMow8QbcCKnOFFR3rENcR0WJiPPYITeFcjORlxx7HqjznaLJe+EVfU NLHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774980325; x=1775585125; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Cn7FoXYW9ejkkjulKIZ3tlU8/vQCi8J/JUEU2GlXiJ8=; b=fkXQ/8kiGcEzIMo9Ea5DwixKIuFsihOrNY+Ny2QcR/CitWSewC6nilfO7+3E+ybcC8 gN/X/kOyBMBk4oRXPQHH1cPKyHdXX31X3tEBJQ+C56hdDWhoVFpfgb9r5E9nIAuKn2mv CGAQ9vGcWRS4fnYfi/PDDq/MKURR89jX/8GzmMZivjPK7Z5GJ8fj7O7+cYYuFAIPcMNS iD54rJxy3P5nWj/Tdr3VQD4GqqzyHqgJBIiRYVXvnob4VXx9oEM/LcmLGw6eIe85qcqH QUPtGg7ICB6sW+2CjGzqcPEuNPj6PTJjg2zFy2hTzABcUVGxeBky141uprW/0MXif4PS B5iA== X-Forwarded-Encrypted: i=1; AJvYcCU+WgG3IrICmYt89A76Xp+Wf9IZHGlQN+s3cr+J4AUGs0R2V+OUCmbHr/SDzfzz8EbmlObMPFuy5NWqvI0=@vger.kernel.org X-Gm-Message-State: AOJu0YzSl+RF9ruU1HGJtoSA4Zjve+t+DnHKzuPEUOAo0ssBt4ydN3dH CRR7B8XzDVARil5Y/8iXXTU58IFMA2PlGRzirr5+/8pLj/F7CdubKV0nwDudRYBIM6efFd07cyI aNuH8JN5BTA== X-Received: from dyblf46.prod.google.com ([2002:a05:7301:a2e:b0:2c7:32bb:d28d]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7300:6d1f:b0:2be:833c:149d with SMTP id 5a478bee46e88-2c9325b4835mr151328eec.28.1774980324535; Tue, 31 Mar 2026 11:05:24 -0700 (PDT) Date: Tue, 31 Mar 2026 11:05:20 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.53.0.1118.gaef5881109-goog Message-ID: <20260331180520.4052231-1-irogers@google.com> Subject: [PATCH v3] perf tests task-analyzer: Write test files to tmpdir From: Ian Rogers To: acme@kernel.org, namhyung@kernel.org Cc: irogers@google.com, adrian.hunter@intel.com, alexander.shishkin@linux.intel.com, james.clark@linaro.org, jolsa@kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com, peterz@infradead.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Writing to the test output files in the current working directory can fail in various contexts such as continual test. Other tests write to a mktemp-ed file, make the "perf script task-analyszer tests" follow this convention too. Currently this isn't possible for the perf.data file due to a lack of perf script support, add a variable for when this support is available. Signed-off-by: Ian Rogers --- v3: Address missed rename feedback from Namhyung. v2: Improvements to commit message: https://lore.kernel.org/lkml/20260327060033.2294469-1-irogers@google.co= m/ v1: https://lore.kernel.org/lkml/20260321061624.811157-1-irogers@google.com/ --- tools/perf/tests/shell/test_task_analyzer.sh | 42 +++++++++++--------- 1 file changed, 23 insertions(+), 19 deletions(-) diff --git a/tools/perf/tests/shell/test_task_analyzer.sh b/tools/perf/test= s/shell/test_task_analyzer.sh index e194fcf61df3..0314412e63b4 100755 --- a/tools/perf/tests/shell/test_task_analyzer.sh +++ b/tools/perf/tests/shell/test_task_analyzer.sh @@ -3,6 +3,11 @@ # SPDX-License-Identifier: GPL-2.0 =20 tmpdir=3D$(mktemp -d /tmp/perf-script-task-analyzer-XXXXX) +# TODO: perf script report only supports input from the CWD perf.data file= , make +# it support input from any file. +perfdata=3D"perf.data" +csv=3D"$tmpdir/csv" +csvsummary=3D"$tmpdir/csvsummary" err=3D0 =20 # set PERF_EXEC_PATH to find scripts in the source directory @@ -15,11 +20,10 @@ fi export ASAN_OPTIONS=3Ddetect_leaks=3D0 =20 cleanup() { - rm -f perf.data - rm -f perf.data.old - rm -f csv - rm -f csvsummary + rm -f "${perfdata}" + rm -f "${perfdata}".old rm -rf "$tmpdir" + trap - exit term int } =20 @@ -61,10 +65,10 @@ skip_no_probe_record_support() { =20 prepare_perf_data() { # 1s should be sufficient to catch at least some switches - perf record -e sched:sched_switch -a -- sleep 1 > /dev/null 2>&1 + perf record -e sched:sched_switch -a -o "${perfdata}" -- sleep 1 > /dev/n= ull 2>&1 # check if perf data file got created in above step. - if [ ! -e "perf.data" ]; then - printf "FAIL: perf record failed to create \"perf.data\" \n" + if [ ! -e "${perfdata}" ]; then + printf "FAIL: perf record failed to create \"${perfdata}\" \n" return 1 fi } @@ -130,28 +134,28 @@ test_extended_times_summary_ns() { } =20 test_csv() { - perf script report task-analyzer --csv csv > /dev/null - check_exec_0 "perf script report task-analyzer --csv csv" - find_str_or_fail "Comm;" csv "${FUNCNAME[0]}" + perf script report task-analyzer --csv "${csv}" > /dev/null + check_exec_0 "perf script report task-analyzer --csv ${csv}" + find_str_or_fail "Comm;" "${csv}" "${FUNCNAME[0]}" } =20 test_csv_extended_times() { - perf script report task-analyzer --csv csv --extended-times > /dev/null - check_exec_0 "perf script report task-analyzer --csv csv --extended-times" - find_str_or_fail "Out-Out;" csv "${FUNCNAME[0]}" + perf script report task-analyzer --csv "${csv}" --extended-times > /dev/n= ull + check_exec_0 "perf script report task-analyzer --csv ${csv} --extended-ti= mes" + find_str_or_fail "Out-Out;" "${csv}" "${FUNCNAME[0]}" } =20 test_csvsummary() { - perf script report task-analyzer --csv-summary csvsummary > /dev/null - check_exec_0 "perf script report task-analyzer --csv-summary csvsummary" - find_str_or_fail "Comm;" csvsummary "${FUNCNAME[0]}" + perf script report task-analyzer --csv-summary "${csvsummary}" > /dev/null + check_exec_0 "perf script report task-analyzer --csv-summary ${csvsummary= }" + find_str_or_fail "Comm;" "${csvsummary}" "${FUNCNAME[0]}" } =20 test_csvsummary_extended() { - perf script report task-analyzer --csv-summary csvsummary --summary-exten= ded \ + perf script report task-analyzer --csv-summary "${csvsummary}" --summary-= extended \ >/dev/null - check_exec_0 "perf script report task-analyzer --csv-summary csvsummary -= -summary-extended" - find_str_or_fail "Out-Out;" csvsummary "${FUNCNAME[0]}" + check_exec_0 "perf script report task-analyzer --csv-summary ${csvsummary= } --summary-extended" + find_str_or_fail "Out-Out;" "${csvsummary}" "${FUNCNAME[0]}" } =20 skip_no_probe_record_support --=20 2.53.0.1118.gaef5881109-goog