From nobody Thu Dec 18 08:38:43 2025 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 C3F221D5CC6 for ; Tue, 9 Dec 2025 17:08:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765300101; cv=none; b=BLV5ly+JDob+Ek9A5M+/Q06ETUAcKHRaj2A1JjBnow2PuzPlinQLFjh0LSyQFdHDdXBkK9kE/ueQ5OhDYDftqatx/k5I7VNbO3+XYhKwKM6Liddx/0GY6355S4+T3vJX+iOrt9AF4dCktAjryRaUCeJykIsYM0/vgdNcD3Xu980= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765300101; c=relaxed/simple; bh=SrSQINHsZi5xCD99oEpcw455kSMvg+7scyD1FdsGFUg=; h=Date:Mime-Version:Message-ID:Subject:From:To:Content-Type; b=hn9NHfOKK9YmgvcGb2I21dwo8JDeeVN+ScrMSlUUBO1oTVVIhwc5H6s4HMl8E2W8j4OZxRVHzmZjo64Qs8lKROpL4e05JyatX9RXu2LxvT38krLpS78OZVj9NnL6v8au7atyhE/qgkHIaMb1wPorolU2lWQC7JAr7EbTvxTQNww= 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=V2FyvGtG; arc=none smtp.client-ip=209.85.216.74 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="V2FyvGtG" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-3437863d0easo9176082a91.0 for ; Tue, 09 Dec 2025 09:08:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1765300099; x=1765904899; darn=vger.kernel.org; h=to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=kSNKIJFZ+LEnI//dDB9nn4CQuFiHZyaloDyEr4z5v5c=; b=V2FyvGtGap+DQFmUyjQQ01IfIWSGyAdOICNS8geVjaCRbjx0IT7gTD2UEYS0MCWFqy vFskBXPdrJPsfc1HsU8wS5dnwsq6v4Agu0AIUJXOlIw84nyZOsrGgPME1Xxm1zM/UiHJ SRFRMoib1wJSx50UNAsk+0Dr9dIESDkqqrtRl1XccgOzs+9TVYb5NHM1pzs0juTpi0Fu WrJnbjJpAofhwUoaEm0xkyRun7UrmG6NKSgW9TPUgMvoPngLwCqi8kRqeUie8Qv9ktSu WiGmD4Aum6X34XK7lffgr/BKzYnEpnQE2YHKfK0DNIZjS4CP0N10+Rf0/Qci5AxYsAKz 3KdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765300099; x=1765904899; h=to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=kSNKIJFZ+LEnI//dDB9nn4CQuFiHZyaloDyEr4z5v5c=; b=AxObDo9oUX4r5hO1Pbr60qufPovN1/o8sm73TAucXe5AQ66pOMTxoTmlxSFxMRwXcc EPckKQSCeyOPmo4YZtmp+z/usrflOLwYhFLK1ROL1n7YT8j1qNkSJ4K97MI5HmRv37Wl Mqw3O42AsZyqwEOXrwG5NojTqLHGbnazO9YN4KNtO7OUuwXT/TqiIp6JnizD1p9QAq1A HOjpWlsN+fvWDgHWVNQWfoK+V9npUB72qgs52ONtXdcExuLEwF9Zf5ewPMsGWjdjJ/jD AtzR0fZKvRkhg1UVEWQgfnCvFFjhrXpiI3slLxmmgVQ0Z12XGqYN7vZ6bScVboAc3ij7 t7Eg== X-Forwarded-Encrypted: i=1; AJvYcCUPhLf3pjlUuIC+DsCpgwYCo/VKHPvY3JaX4KcartRcnO2yYTTnwTjhUTagaeIFxSJxCJspZC2fF1GR7+A=@vger.kernel.org X-Gm-Message-State: AOJu0Yya5f+ISmLiLtHkPpQ25hgfOGZxKDKpCfRTLhPa+hJm93HVvYAB FR2Evx9J1SmPE74Dc8aBK9qIPlfYJE9r55gOozSwaTy9xz837nwLyQ7uwSr3KTdDfFqRe2MLFX+ ULVElmSW4kA== X-Google-Smtp-Source: AGHT+IGqjPHUYsuiUAOaApZalPyWsBbmQb9shlzz6ePcj6eT+3u+fmmkb/CRRr+IquuEWZlepCL9JLho1wDJ X-Received: from dlbur10.prod.google.com ([2002:a05:7022:ea4a:b0:119:78ff:fe0f]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:441e:b0:11b:9386:8260 with SMTP id a92af1059eb24-11e032d455dmr7967381c88.45.1765300098798; Tue, 09 Dec 2025 09:08:18 -0800 (PST) Date: Tue, 9 Dec 2025 09:08:11 -0800 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 2.52.0.223.gf5cc29aaa4-goog Message-ID: <20251209170814.2009253-1-irogers@google.com> Subject: [PATCH v1] perf tests kwork: Add basic kwork coverage tests From: Ian Rogers To: Feng Yang , Yang Jihong , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add basic kwork coverage tests for record, report, latency, timehist and top. Signed-off-by: Ian Rogers --- tools/perf/tests/shell/kwork.sh | 79 +++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100755 tools/perf/tests/shell/kwork.sh diff --git a/tools/perf/tests/shell/kwork.sh b/tools/perf/tests/shell/kwork= .sh new file mode 100755 index 000000000000..42bfd9382816 --- /dev/null +++ b/tools/perf/tests/shell/kwork.sh @@ -0,0 +1,79 @@ +#!/bin/bash +# perf kwork tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +# Root permissions required for tracing events. +if [ "$(id -u)" !=3D 0 ]; then + echo "[Skip] No root permission" + exit 2 +fi + +err=3D0 +perfdata=3D$(mktemp /tmp/__perf_test_kwork.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_kwork_record() { + echo "Kwork record" + perf kwork record -o "${perfdata}" -- sleep 1 + echo "Kwork record [Success]" +} + +test_kwork_report() { + echo "Kwork report" + if ! perf kwork report -i "${perfdata}" | grep -q "Kwork Name"; then + echo "Kwork report [Failed missing output]" + err=3D1 + fi + echo "Kwork report [Success]" +} + +test_kwork_latency() { + echo "Kwork latency" + if ! perf kwork latency -i "${perfdata}" | grep -q "Avg delay"; then + echo "Kwork latency [Failed missing output]" + err=3D1 + fi + echo "Kwork latency [Success]" +} + +test_kwork_timehist() { + echo "Kwork timehist" + if ! perf kwork timehist -i "${perfdata}" | grep -q "Kwork name"; then + echo "Kwork timehist [Failed missing output]" + err=3D1 + fi + echo "Kwork timehist [Success]" +} + +test_kwork_top() { + echo "Kwork top" + if ! perf kwork top -i "${perfdata}" | grep -q "COMMAND"; then + echo "Kwork top [Failed missing output]" + err=3D1 + fi + echo "Kwork top [Success]" +} + +test_kwork_record +test_kwork_report +test_kwork_latency +test_kwork_timehist +test_kwork_top + +cleanup +exit $err --=20 2.52.0.223.gf5cc29aaa4-goog