From nobody Wed Oct 8 12:36:07 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 40DFE4503B for ; Sat, 28 Jun 2025 01:35:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751074549; cv=none; b=tE25Yvw9E9YNRmDT8skw23nqm7Ak5GpEUn0cZG8UA9dyhccP5vPioIrxUZa2E3mu6xBd3K/EDN0EGLR/cA4/ZjgPA6ry9KM7dhhn08QmXrXZO6CqiXIknqBq1H7wZHYWgCq+tVZXqZG35nn4k6uZnWxYGbYF3y5YtigDgQCqNW8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751074549; c=relaxed/simple; bh=xp6QooYSKJIO1Ri906XmGIWsfQAQKsjdb0xfOXssMf0=; h=Date:Mime-Version:Message-ID:Subject:From:To:Content-Type; b=Q9HuIBrAbWwnF6BJL99se78NUJ1I5B6EmAph0gspOdoJnl+c3h0AHoJLM8uFzazsupQvn2MNSK1mel+y7Ec/Fb5cFIzRRPn1SVhSZswqEDj2QqOfsgt5H1p+zV6+YqTRtQh2kU0FhUYtaQZ+4Dfx5r0sF7jqFAIy8+q2acfACFM= 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=xdVMkFzd; arc=none smtp.client-ip=209.85.214.202 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="xdVMkFzd" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2354ba59eb6so2944845ad.1 for ; Fri, 27 Jun 2025 18:35:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1751074547; x=1751679347; darn=vger.kernel.org; h=to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=R9h8FoTQNuVI8eMmwBP37Z8kyCmEZSw8NGWBhTujA80=; b=xdVMkFzdpFqOfJQjtFVgzLGhPxgaCy+UyVNi0kyxvmPLB6ZJjsGkerDbgcN+xryGX1 UmNbttmKdqNcW1kkzTAqESqhvO9Y7wVe+PzLlJdUftgGsjSd0Fz4KRlPz6PX+YOgLZSY ZOhsLhq4Uhioa7mogaBsEjomYfYZjvHVkWUvSUs7cSTyq5ShZzToO3Ctn37bYNpaTTVN 1eClON703uXnFuyTms2z8oeYeayV9lul6vc/ok1egSGin8RiR72Mt6yMyvp+HQE9plZZ EB9g/8xg7lXllhuQw2YIKBrjrK37rVF2L7LR/75SaJAcbpdeCWQttBMwDJTDzoyBmSKz WVVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751074547; x=1751679347; h=to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=R9h8FoTQNuVI8eMmwBP37Z8kyCmEZSw8NGWBhTujA80=; b=FQ5IZ4r6O0jUNydI7FPaOGC/9OUOrO+atg0JUyrGj6eGOQu0CtalKYzMmcuOYL2GiR Cnu6yVS3cRcMjhNIYqFDTm/DfwTgHpsahnulYA/e675CF4W1advjbl0AovEa9xlil9SN dNvhM9iALz7ARo1uLWgGeFHvsPuMdKQB5GsOqAV5YFehPepsBRxSXrI03NPgmzuYrZWm vLTACgYRdwpH2Qmf7G3MYhpw79a4OP/0fl6kbIZUMgJeIOaXp0APkgPh+erycre7jK8g 76S70H1UBU7h6lkoYVeQcGtII8BzWTNK1NXVj/+zaEZQgfi846zRIGayhLmINDpV8xe1 TRbA== X-Forwarded-Encrypted: i=1; AJvYcCVBnT5t+u2iY5GdRvNuG/0gitNo2qZEOYTXCk6RQPszeabl7bxaDmeHNtHE+X+XUGAm1Gzha1bviRvP0i4=@vger.kernel.org X-Gm-Message-State: AOJu0Yz1IWHAC8pHWCdwe558+v6tcMpk+Krpeco1zcXThNFc0o+JLFPD YMKSFns2r04y7+XgjenDlU8aFLy6XtTXS5DuuJ+v6fH2rGnkfLQAuqLoqFgU7HW57cVWtRV8d6X ZmrdKBEoeVw== X-Google-Smtp-Source: AGHT+IFd92Gn7WZNkqbN9k4RxtUPFZQe9Qxn220MNduLvj81BEx2Pr2j7bq1bV6C1FyTLi1nNpfqzVoS6gQU X-Received: from plle5.prod.google.com ([2002:a17:903:1665:b0:237:d76c:a11a]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:ce86:b0:235:15f3:ef16 with SMTP id d9443c01a7336-23ac3deb433mr84311265ad.13.1751074547429; Fri, 27 Jun 2025 18:35:47 -0700 (PDT) Date: Fri, 27 Jun 2025 18:35:43 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250628013543.1250435-1-irogers@google.com> Subject: [PATCH v1] perf test: Add basic callgraph test to record testing From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Dapeng Mi , Thomas Richter , Chun-Tse Shao , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Give some basic perf record callgraph coverage. Signed-off-by: Ian Rogers --- v2: Pick up s390's needed "--call-graph dwarf" as spotted by James Clark . --- tools/perf/tests/shell/record.sh | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/reco= rd.sh index 2022a4f739be..b1ad24fb3b33 100755 --- a/tools/perf/tests/shell/record.sh +++ b/tools/perf/tests/shell/record.sh @@ -12,8 +12,10 @@ shelldir=3D$(dirname "$0") . "${shelldir}"/lib/perf_has_symbol.sh =20 testsym=3D"test_loop" +testsym2=3D"brstack" =20 skip_test_missing_symbol ${testsym} +skip_test_missing_symbol ${testsym2} =20 err=3D0 perfdata=3D$(mktemp /tmp/__perf_test.perf.data.XXXXX) @@ -359,6 +361,33 @@ test_precise_max() { fi } =20 +test_callgraph() { + echo "Callgraph test" + + case $(uname -m) + in s390x) + cmd_flags=3D"--call-graph dwarf -e cpu-clock";; + *) + cmd_flags=3D"-g";; + esac + + if ! perf record -o "${perfdata}" $cmd_flags perf test -w brstack + then + echo "Callgraph test [Failed missing output]" + err=3D1 + return + fi + + if ! perf report -i "${perfdata}" 2>&1 | grep "${testsym2}" + then + echo "Callgraph test [Failed missing symbol]" + err=3D1 + return + fi + + echo "Callgraph test [Success]" +} + # raise the limit of file descriptors to minimum if [[ $default_fd_limit -lt $min_fd_limit ]]; then ulimit -Sn $min_fd_limit @@ -374,6 +403,7 @@ test_uid test_leader_sampling test_topdown_leader_sampling test_precise_max +test_callgraph =20 # restore the default value ulimit -Sn $default_fd_limit --=20 2.50.0.727.gbf7dc18ff4-goog