From nobody Tue Dec 16 09:01:49 2025 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 652E7241664 for ; Wed, 9 Jul 2025 21:40:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752097239; cv=none; b=DoIff9f16SYhsWkt+qefyDoJ4TYKms7mjyxBSkfq1m0fKHGXhzLe1K6lKL9jdji42fvfd+47vW1XhKo4squTR6kyECq1mSYS3m/48rKS5EfhTJDjiuGsjqi8uPTfb0/WXm/pDDWDPzpTHSw+Y8hd4IjeyJdHoYR5jf1dX1RnSPg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752097239; c=relaxed/simple; bh=1lk85E3pggo+4g2GknSYWSWNs6o0Mw8jBXtuFvYNkFU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=L56Y3uv+a/cXcIXAOG9CYo1hum+5RSch0B56GD27TizTRg9OxLejDyMfjFFXgjCv60yGl4pgxWrAsQXP4+6n33wHQE1YOd4ntg8x2NTqm8CuWB0T9Jz45xTDJiTyY3dDt9F0Th0YsjEwsdgq8dwCqmYDgUG869/i6yGTjlKOfvg= 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=FScjL0Rs; arc=none smtp.client-ip=209.85.210.202 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="FScjL0Rs" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-748efefedb5so258867b3a.2 for ; Wed, 09 Jul 2025 14:40:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1752097235; x=1752702035; 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=1RNkMgAEj4/GnB7BeI8C0UUIpPaOTXLCNgb+45zsMxs=; b=FScjL0RsBI9fOqixWgw+s3e0+ZVU6uRoglAfNGTOq4KMPjaGwfvlvsO3bneN9Sg+Rs j6q+LX5Ds0EbGDcGfdcZqXXwQQo4/0Q+rBJqjt3hLjnFzpbWs0iE0E/6oCSqSQF/zAjm 6tl976wwpI83zeobotT8tN+5t91xiVigcPGyAt2wRxXHeJt04PhRaN5nKhFx+nOGh5MA BYXDpDFt4cB1A9JTOCB2k3cGM6+9jmJmY/I3yyOIyJnpK59wsEAjnSW2CLGMf2TNtTga +j0cEU7uyN34aMcuf4ErsRIv8ywSMD+FeTYrioFJaMHeTmyOjbhAFlhdHTWzOlF2QdI0 A/pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752097235; x=1752702035; 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=1RNkMgAEj4/GnB7BeI8C0UUIpPaOTXLCNgb+45zsMxs=; b=rz4PcfAJiBO3PhPWyXVPTffVCHlcVukE/+FK/cHymt/uG6z4K8N6vVrrss3ZB5E18o kwDUhebzj2CkUJNag4yoW0lqpELkZtdxYs5kXSqaUrW6DLWost7nKN0bXia4T56R0xqa x70/lNcYvqHSPEUsVjX/3D6ZY8ETzLkkHudGbCekZeXfA853/JaVMmzJb7t3U2yVYzTu kPM/ckxKTpSj/DWmyiieNuLXRhUlEQVC9Ukhiny8Y1LSwJ/vipsR9o31Bd217MtUBNrk +kx1iPSZeUhsvPu2r4KhHjX4yZGFr10HNpXiQsME/lyZWCu7NUcLGMrmaZ3ZSaIhlx9l XvHg== X-Forwarded-Encrypted: i=1; AJvYcCVBP3+N4uaU0qWevXXi6wiwlMuwbRPRluY4k6Og4uXxK/1YxtSahkmzLkXY7N7LPc4CRIxe3p0SoEPgoGs=@vger.kernel.org X-Gm-Message-State: AOJu0YyS+ekJNpnkVYRzzy+lzjhKRf9vfA+GToodFh2s5iEuy7LimFY2 nRnznA6faAcouhkKW46XV+14MqzMk10lOCw14PYkLA4hmcPWsT060mPfGveQlPGYmtY+Do8Fv3X bPlhXtJQWOA== X-Google-Smtp-Source: AGHT+IH2bEm5D5vL0/SOlKgLMUnkYuyDxrvhEh8Sk1TmdRPm6c9OAhUY7JUi0TVyz5YNrku0Gkgejj3nrlBH X-Received: from pgr1.prod.google.com ([2002:a63:1141:0:b0:b2f:a31c:f7bc]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:6e91:b0:215:efed:acfc with SMTP id adf61e73a8af0-22cd5a06069mr6978021637.7.1752097235636; Wed, 09 Jul 2025 14:40:35 -0700 (PDT) Date: Wed, 9 Jul 2025 14:40:18 -0700 In-Reply-To: <20250709214029.1769089-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250709214029.1769089-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250709214029.1769089-2-irogers@google.com> Subject: [PATCH v1 01/12] perf hwmon_pmu: Avoid shortening hwmon PMU name 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 , Xu Yang , Howard Chu , "Dr. David Alan Gilbert" , Levi Yun , Andi Kleen , Thomas Richter , Weilin Wang , Tiezhu Yang , Gautam Menghani , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Long names like ucsi_source_psy_USBC000:001 when prefixed with hwmon_ exceed the buffer size and the last digit is lost. This causes confusion with similar names like ucsi_source_psy_USBC000:002. Extend the buffer size to avoid this. Fixes: 53cc0b351ec9 ("perf hwmon_pmu: Add a tool PMU exposing events from h= wmon in sysfs") Signed-off-by: Ian Rogers --- tools/perf/util/hwmon_pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/hwmon_pmu.c b/tools/perf/util/hwmon_pmu.c index 7edda010ba27..416dfea9ffff 100644 --- a/tools/perf/util/hwmon_pmu.c +++ b/tools/perf/util/hwmon_pmu.c @@ -345,7 +345,7 @@ static int hwmon_pmu__read_events(struct hwmon_pmu *pmu) struct perf_pmu *hwmon_pmu__new(struct list_head *pmus, const char *hwmon_= dir, const char *sysfs_name, const char *name) { - char buf[32]; + char buf[64]; struct hwmon_pmu *hwm; __u32 type =3D PERF_PMU_TYPE_HWMON_START + strtoul(sysfs_name + 5, NULL, = 10); =20 --=20 2.50.0.727.gbf7dc18ff4-goog