From nobody Tue Dec 2 01:36:24 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 A29042F83B0 for ; Sat, 22 Nov 2025 08:19:55 +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=1763799597; cv=none; b=RXau7nDa75/b0r+6Mkm1WiCQMRHA/ZAi2Tgbxm6kTCyUxmGHjRL/JaaIlxLYPTgVVyXqGHtSXHDKvsNMsiLWm+tq6b4R0EAe78Fay/6AJ/kY6kc4G+oh81me6PfRr0k9nsINaezNUcFzzyhcdlpWc2/xdrL6GoWb/vFxfYb4Wgw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763799597; c=relaxed/simple; bh=NXklLjTXEI509or4UVobymvmC5qBq3+kL+fp7XxCaPE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=R8ifCNDl3NbZxsESviSlMLHPHKXh9Hm+I7MqzAdGHujZYyZFb/G3Yszx/infHPz22zDN4IBVm9g3/XF8icK8eEgLap4jX7VH7jifi1ngI8rlLreGhK4nIuyQ3xz41NVHQS83bgZe7uufu0l6T41ycG4eGWle0WkmRHWBxRgSHBM= 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=rHyEshvt; 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="rHyEshvt" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-29806c42760so111956875ad.2 for ; Sat, 22 Nov 2025 00:19:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763799595; x=1764404395; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=bEy0JIyorfG9miNyUuHx8ttwB5wA6SqJTKfXTXr6auo=; b=rHyEshvtvo1IRRcm1pdHYa+ox1oHfJYaZgjgnpQHAXnI8du1xUnMzlzxOyMJlQBRYQ d0OEbek9KZ7LjO0h55KNxG23shbyCuaAt1yqLVGxp0RlldFLtyBYGwhfrjSz6VDuReFa /dn2G0/FZc6QRW5i1OjPBPXimWZbEQ+WcdzZ4SDC2ExBQMVlOQlOXCL30AgB/zQ1W0oZ PLIVNxSqxim6iKjbv3uK1bGNdu6Q0BX0DWhWjsIw5MNlzDgbZxXSaw84in2j5Xn8q32r jW3BRxvtVk3dshPv65HoEzlDd1Y7jvObHPBtg5W2CQ3XQhniqyVgi8aaTVx6hxl1voDn 189g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763799595; x=1764404395; h=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=bEy0JIyorfG9miNyUuHx8ttwB5wA6SqJTKfXTXr6auo=; b=M2+2AbsWDelkbLltUI3tyYcw0XFa0RbpZOuexk2BfRrTu47hKKbgN7cXfTETXzk4H4 v0hE23JlEjz+uHh5F9mIbaYjoeHxSQiamHmaHYFoBEBLaY/oCXeWpmsIiJuYmioxSStD C7ARzDHSF3WfZ9MKPxRva6DiTRw1fRo6xwEWDEbAObPmTV7PGCSijqBbrY1VjcPILpIX fu9++MRJjc6qju3BGRQkUiGvDC89hKkOQck4RbrCUhu7zUfriffuZeRdUhaMq6EfvPK/ IKp4uQx4K6ODf3ZjZ067IExexCNQFsfegR1h3wiv2OwGVOv0wB0XJE/7hHOxWBLZxJ7y tdJw== X-Forwarded-Encrypted: i=1; AJvYcCXlEk8eeX689FE+U80/yp63Ic2HeQ3ThSW0r4+Fqhz1lHmm4nWrzbbThdtSDnksA9p2/CfXWQfNDmve4oU=@vger.kernel.org X-Gm-Message-State: AOJu0YyzCPj8X+b/d1I/JniqyjD1Q+OPx+q7QPBboJOTMCLFiPLBnn8Y OsVJkq+Zffy/zoln5zryleeJXX0u7WPIVIoU/ZVJup5WLRbWHZ39OEb3XDfJqZBj2m9eUEt+TUu BrEq9TXkb4g== X-Google-Smtp-Source: AGHT+IG/iVOBwJcUhYY5gewvM0FkraVbyCe1YZERZFS8zE13uEGJCuQzjdeULg/ddoRJfS5HER8y8zI4+hgf X-Received: from dlbcq24.prod.google.com ([2002:a05:7022:2498:b0:119:49ca:6ba6]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:2214:b0:119:e56b:c751 with SMTP id a92af1059eb24-11c9d84e082mr2733031c88.22.1763799594840; Sat, 22 Nov 2025 00:19:54 -0800 (PST) Date: Sat, 22 Nov 2025 00:19:22 -0800 In-Reply-To: <20251122081929.7588-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251122081929.7588-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.rc2.455.g230fcf2819-goog Message-ID: <20251122081929.7588-11-irogers@google.com> Subject: [PATCH v1 10/17] perf tests c2c: Add a basic c2c From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Collin Funk , Dmitry Vyukov , Andi Kleen , Thomas Falcon , Leo Yan , Yicong Yang , Greg Kroah-Hartman , "Masami Hiramatsu (Google)" , Stephen Brennan , Haibo Xu , 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 c2c record and report testing to gain some coverage. Signed-off-by: Ian Rogers --- tools/perf/tests/shell/c2c.sh | 62 +++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100755 tools/perf/tests/shell/c2c.sh diff --git a/tools/perf/tests/shell/c2c.sh b/tools/perf/tests/shell/c2c.sh new file mode 100755 index 000000000000..2471d44595c3 --- /dev/null +++ b/tools/perf/tests/shell/c2c.sh @@ -0,0 +1,62 @@ +#!/bin/bash +# perf c2c tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=3D0 +perfdata=3D$(mktemp /tmp/__perf_c2c_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +check_c2c_support() { + # Check if perf c2c record works. + if ! perf c2c record -o "${perfdata}" -- true > /dev/null 2>&1 ; then + return 1 + fi + return 0 +} + +test_c2c_record_report() { + echo "c2c record and report test" + if ! check_c2c_support ; then + echo "c2c record and report test [Skipped: perf c2c record failed (possi= bly missing hardware support)]" + err=3D2 + return + fi + + # Run a workload that does some memory operations. + if ! perf c2c record -o "${perfdata}" -- perf test -w datasym 1 > /dev/nu= ll 2>&1 ; then + echo "c2c record and report test [Skipped: perf c2c record failed during= workload]" + return + fi + + if ! perf c2c report -i "${perfdata}" --stdio > /dev/null 2>&1 ; then + echo "c2c record and report test [Failed: report failed]" + err=3D1 + return + fi + + if ! perf c2c report -i "${perfdata}" -N > /dev/null 2>&1 ; then + echo "c2c record and report test [Failed: report -N failed]" + err=3D1 + return + fi + + echo "c2c record and report test [Success]" +} + +test_c2c_record_report +cleanup +exit $err --=20 2.52.0.rc2.455.g230fcf2819-goog