From nobody Sat Oct 11 11:45:14 2025 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 E8625204680 for ; Wed, 11 Jun 2025 03:46:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749613574; cv=none; b=lTRdCfMjoxDX91cf28NJnmyS4sERhJAhtVZh4+7xT5UZF/wJMuIy5IGAxjLmpyfHooXtIye5diFvuXERD8bMbqJ6Hu3ZCnGs6nb1cL49FLW+y7e2pVdAqI3hfBj6GxvulgTJkJmAZHNkJvtTuM8yRVrRijG4ICEphYc5aSssXzs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749613574; c=relaxed/simple; bh=BjW6AZGk7CZomAEyWECRkQDZi3WC4X5fktZTMbvlAbA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=SjLL9NHGFuTW9tbdbnLYoZQdi81XH40Mn15p/S9g2ZkuXrl79XJgzsZfbfBU9/JQaWHa61ADR5KQoNgSLq42F16zSbtDcGb+MbWhouFD7NPI+xpjhm6gEzcLjVZFMIZy/Gk3DdcS7+kb2R3VRaaLvGA0j5nmOTL0owcH7YEsbfg= 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=aaGOkT7w; arc=none smtp.client-ip=209.85.214.201 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="aaGOkT7w" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2354ba59eb6so97318115ad.1 for ; Tue, 10 Jun 2025 20:46:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1749613572; x=1750218372; 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=EK8se2wo8pULW/UeVmGZwrfi1Azdb8cvXZbahmZy3Ao=; b=aaGOkT7wCbpJ9NGxM+6Lt9/XYogMycuGjAdw3rn8/kK38Bgr0SWgWZ05FUD5O9+2hi FAq7dggzteeWqzpbTGPf04atTZSYiVxc0Hxa6r3IxWk7xcWxQLjo3Gc8pxu3+mvchEN3 kdspRL1WHDwJGxDoFHZeqqnZJhmoX4Jm29CVMZTbc8Y3hyFE9ZX4rhnpGxo8nxh9kslb iUKZutTQOzWf0J+28rgDClT/iYWamrd8bwE/py5yVjNbBqopO+JVHkeQW0nkYVr/UKUW sCUdRRdPeOZZDENIYO2/JXiEWuLbgPfa+xyEdlWddBNpQOa3DszH7ojLO0JcCibBZOZ/ FZpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749613572; x=1750218372; 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=EK8se2wo8pULW/UeVmGZwrfi1Azdb8cvXZbahmZy3Ao=; b=l17kIqJ3wuC/MaXB1l9+Yv7ih2kb4jli+Bpce4fjoEBjj4HSWXnKEX1DPiTBGK7K/3 SFf/Fc8cFmFFpiDm6SYzXKxNoNlkqcmg+3r2RMDNEi4zrNfd8hqKMfFwJrFHmYcn0phU NWEew2aeknZzl8i8Ad2xPbn8eUUw/1UUUokGix0ggfexAgHbKZ8AwOjaRlpzNqdB6KW/ VPsm0vivLyID+k4yA2Gh5dJ8lcecE3q/7OVtIVt36Sp1oRPe6eHzH9W8BOm3CCJm8P5G SoqUqZH3QQOcR8SZVxtxr83Y7wItGzCjcrS4Xcpbi+p+8vD1XaNvlWCRfUmEe5BEVnkH alOg== X-Forwarded-Encrypted: i=1; AJvYcCXdDdmmFAmSx7uXctXxoF36zDP/dekdBiwj28bxIcYSDS5S3kdo53dDc++ufeAu/MHpsdCuuQ1kei+Kh1A=@vger.kernel.org X-Gm-Message-State: AOJu0YxFeYJU/FzRDbf4bbD6w1zKiS6wknxnZRB5HC7jvsKludK6Kbdv mvm7xZ60UsvOdkKkitYgKV9+IUkNvXI+4e7Wa45oyd1vjW+BSv8KCIli4zHnFowM+Df44XwCa8x SUfFcjhS88A== X-Google-Smtp-Source: AGHT+IGHPjGfNv8/2SbmRZRAAxy8oNiAGjL6dFb88W6cXiB9ruYnJCVqIRK6rOyuGvjWvE/iZ73skL+ii1vw X-Received: from pgd25.prod.google.com ([2002:a05:6a02:2c19:b0:b2c:462c:520]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1b6b:b0:235:ec11:f0ee with SMTP id d9443c01a7336-23642621bcdmr16215185ad.14.1749613572251; Tue, 10 Jun 2025 20:46:12 -0700 (PDT) Date: Tue, 10 Jun 2025 20:45:15 -0700 In-Reply-To: <20250611034529.508842-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250611034529.508842-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.rc0.642.g800a2b2222-goog Message-ID: <20250611034529.508842-2-irogers@google.com> Subject: [PATCH v1 01/15] 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 , John Garry , "Masami Hiramatsu (Google)" , Howard Chu , Weilin Wang , Thomas Richter , Andi Kleen , Tiezhu Yang , Gautam Menghani , linux-kernel@vger.kernel.org, linux-perf-users@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 c25e7296f1c1..75683c543994 100644 --- a/tools/perf/util/hwmon_pmu.c +++ b/tools/perf/util/hwmon_pmu.c @@ -344,7 +344,7 @@ static int hwmon_pmu__read_events(struct hwmon_pmu *pmu) =20 struct perf_pmu *hwmon_pmu__new(struct list_head *pmus, int hwmon_dir, con= st 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.rc0.642.g800a2b2222-goog