From mboxrd@z Thu Jan 1 00:00:00 1970 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 9DB0B31A81C for ; Wed, 29 Oct 2025 22:26:51 +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=1761776813; cv=none; b=huLoAKPXnLsuzONIdd8ZBCjIEvZ2+FqW9ho58lY+5wjYQysN2Jr1hPEKKlXejecEhOcMpnUSdH946L3vKYcowEyDbLR/ssS3Ivqgs2nYThiIg1LHCapTwhrienHEWBZJsu6pXI5Iy9rKQnMGfTk2De3TOwTzAMktlbXnP0sH+rU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761776813; c=relaxed/simple; bh=vEml0nY7zwMEBRkTxEnZxDojqNcE+phmONas6Xsz+6s=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=HeSUFsoqSJe54OA/BD+ByLP5w0K3UCcmqNjvWKg5SqqymwcaYcyfxaClPy7s6L2qvY++T8fXGpU+s3uNdLOK/06gaXBTW1oTj4IQIddJKibOebOEgkU4hk/gMsyZE6HXI9/wwOaNjMHTLpKYYt+8MQ9SlOAHVdF4JreLYXE58YE= 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=0rlXNU2h; 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="0rlXNU2h" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-340299e05easo313852a91.0 for ; Wed, 29 Oct 2025 15:26:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1761776811; x=1762381611; 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=aF7r6sKwQInSld9XZOaAVT/TCE0DKpB4OW2lzWtXOuQ=; b=0rlXNU2hs73kXXIDNeqLEuWo0rxa3tu/jz4TNQo/I4V5CT7DQiMMKhPaEuJta30cd/ 301eTLzR3B+3e/UOHg5sWKqzw2k2xVYNhoNAuE0nGjohS+mMfE/8xvjbZnuOlOLSUi9M WBRq7xY64EyyD+I79mpig0PiladSr5PaARXJKjHdKhaAa2SBRAf3crLzmvh3gXylmscJ t0AX7ysH8FBLEipSIR9uX2DKWU158TyrhAR5elCOA/qtGdY/xe0T+9RqOi1U9V2CCX/y eEKkpqRHxjgJUw89Pt0hdD8qf7Sh7fMtBN2Fjuf4rCjp2hR2qnQxaR56O3ugtrQlIxC/ 6UCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761776811; x=1762381611; 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=aF7r6sKwQInSld9XZOaAVT/TCE0DKpB4OW2lzWtXOuQ=; b=byK3GNTcZ2/3UmNp+BoQMWBDPYlPiRnxvOrYUuEaBP3TsGGxvnDztNI986q9y0N+9J QjjP4SXxOCFXQDXNb9VfVMcJZLXrJK2wBp9gjOqNgq4Z3cgmSoB/oRc51yD9V4YKmT8h ImJqd2rOc4dGB3ubeQDikP6ABi/JAk9EzPIERUOosy32qmjW4otaRjyR86bo5d+EmfSH Qx0HWu0opd0joZom6TC9BiIOK79BNW4jIQrdKCGmQwoGay2t7wucJVoSen9jlGayzc3e nDrhcWb1ZA9XsDE+NHTLmjebLecUQrfT0Lie7oGq/Qe2Nx5871r9fB0xdW964afyR8kA ciYA== X-Forwarded-Encrypted: i=1; AJvYcCXo1aITi8VcoGj1Nj1T2APljcbjqhBD8yrPTJhRlztRPz5Nd+Dj2S07beXGyS5/HDInv3QTRWvbFKdqUUk=@vger.kernel.org X-Gm-Message-State: AOJu0YwYCPIiA65nPquL9MYjt3j2kSpPak91i74CtlGH+MshMO9VahPl hDWTiJEV+/GQjca4ZtmIEdIq1dTBUL2BOkBRevavCPEXqyzJu2Cbmisbyc9mElSSZbmP0gpTsnI a+v1De55ECw== X-Google-Smtp-Source: AGHT+IEO3ovuPS0VCt6iHCKTFMfXaor12qZK+08DOWiHvRPGBw+3szq4fFwRy/zyWRqpfvILEZlt1XMSmDeG X-Received: from pjph23.prod.google.com ([2002:a17:90a:9c17:b0:33e:384c:7327]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:28c4:b0:32e:1b1c:f8b8 with SMTP id 98e67ed59e1d1-3403a2f1869mr5703128a91.26.1761776810838; Wed, 29 Oct 2025 15:26:50 -0700 (PDT) Date: Wed, 29 Oct 2025 15:26:38 -0700 In-Reply-To: <20251029222638.816100-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251029222638.816100-1-irogers@google.com> X-Mailer: git-send-email 2.51.1.851.g4ebd6896fd-goog Message-ID: <20251029222638.816100-2-irogers@google.com> Subject: [PATCH v1 2/2] perf test: Add test that command line period overrides sysfs/json values From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Type: text/plain; charset="UTF-8" The behavior of weak terms is subtle, add a test that they aren't accidentally broken. Signed-off-by: Ian Rogers --- tools/perf/tests/shell/record_weak_term.sh | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100755 tools/perf/tests/shell/record_weak_term.sh diff --git a/tools/perf/tests/shell/record_weak_term.sh b/tools/perf/tests/shell/record_weak_term.sh new file mode 100755 index 000000000000..7b747b383796 --- /dev/null +++ b/tools/perf/tests/shell/record_weak_term.sh @@ -0,0 +1,25 @@ +#!/bin/bash +# record weak terms +# SPDX-License-Identifier: GPL-2.0 +# Test that command line options override weak terms from sysfs or inbuilt json. +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + + +event=$(perf list --json | $PYTHON -c "import json,sys; next((print(e['EventName']) for e in json.load(sys.stdin) if e.get('Encoding') and 'period=' in e.get('Encoding')))") +if [[ "$?" != "0" ]] +then + echo "No sysfs/json events with inbuilt period." + exit 2 +fi + +if ! perf record -c 1000 -vv -e "$event" -o /dev/null true 2>&1 | \ + grep -q -F '{ sample_period, sample_freq } 1000' +then + echo "Unexpected verbose output and sample period" + exit 1 +fi +exit 0 -- 2.51.1.851.g4ebd6896fd-goog