From nobody Fri Oct 10 08:25:07 2025 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (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 3AEEC1C1F2F for ; Mon, 16 Jun 2025 05:15:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750050930; cv=none; b=pTAMMB5FsbmOJoQ9nVWQL9SzdljmZG74ezkmLXj2YkEk7XU2HZDWT7h10qnCTFC04wu/w183ImazOYJKzwiIqB4P4Cf9uAQArX6i9iYhthxnSTasvrFBtlWzocYKmU7S/kEdIAErFotrKmrEx2i5hpsUiQQZ5ercQWmG1pdvJqs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750050930; c=relaxed/simple; bh=t/FRxYTG+D54BYUz0KeUNeKNi7Xmml5aAZJln458g4I=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=H1wbFj4d9jFMlTKQCPq82nGXFs/EVILMC4h35fU3Lj99vvo69BwO+d7zOAehLGWhr4T6cHRqVa/lZQynbaHKRhEwGuLIi1zw5MNW9Wid0kYm647w2KQA+SdBla9oYXbGDTY8BqQtjVh8rWUs0B7YRkcIkDFHDTnGLF/nHWXRWn8= 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=0qDcivQb; arc=none smtp.client-ip=209.85.216.73 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="0qDcivQb" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-31332dc2b59so3583470a91.0 for ; Sun, 15 Jun 2025 22:15:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1750050928; x=1750655728; 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=j/FsflWYTCgAT92JI9ObGbeoiqi07FQ5gkzYOBlamRE=; b=0qDcivQb+0eab7hVfdscWlq97nlwuT/QpHRjjXYIUMUSTN6DgkboDAPGqsUgbV3pgD niWcK/93L/+UGXMJhiNyznzG6e0Cte1PitezlFobfXeFHZMCCAUUds618qpChNp1xVFN Ddju8dzd0yfcTIPoOcrjvaCvc8vzvWfZxc4sspigPJmK2Tl1F6xPb7jWC4/iqDv+4Ibr tVjc7dLoWHAaBq3QGPuqi8sM7ShqM1YosF6sFUikbJRqjQzcE9MtZoTszVxvWJJrOyzl xQ65QxtY+LzfQO9yaHZeNxLPuvG/DXFFhcLsBHZovwLteXM55Pww3KyFstxP7A94jeJW zJwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750050928; x=1750655728; 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=j/FsflWYTCgAT92JI9ObGbeoiqi07FQ5gkzYOBlamRE=; b=k98jTBQxrG3eoq8P9GRcxi80K/Jvqb6lFYMo0wAKYQyDL0DQx7NGjoJkyGk5WfcvlN +n9iTGQhMjtQu3JHHKk3YdpSDIXj0wVI94Kuj1tl4v7LVwB2b3zyPD60yhokSXffU2SC BIbJ5+rSgxZI603Gtnj7ZDe2VF3NfKIjLjEdS1ysY8zEsoAhZojnEqTOJfvzJJ51LgXM l8hUgo5jI8QtrW/PmHBE4jboEVwNMp8sohpqawrk2LQDWsTBQCCbRJBUueuTCS8REW0r j4MEnYxB0LVAdDjopKviWf7NmQgaywUs86ItFt62CHbiHWf0sOphgMLqbipemlBc2IaP wpfg== X-Forwarded-Encrypted: i=1; AJvYcCUKK4b0RyPYGoLU3BfALFUyrv32G232u3lpZ3nzveNOxPSZgd36MjMpnKoT6DdFAs7fTJMSM8uAJec5X8U=@vger.kernel.org X-Gm-Message-State: AOJu0YzOXcrMPoWnk/hI6N8PY3EWZrqwUvCnQkUdfAGK/MxH0pat/3Z2 Efpe4Px6oCYX0w++PZqm0+4oNUs3HoCiS2bMLEGG3r11Djn1sRyeutSfcB5tAlE4MBPgaPhumo4 dgBNHFwIM3w== X-Google-Smtp-Source: AGHT+IEgHMJj4LWgi+OvKWFekCaf1ai+6sfMoZu7Eri7YtGVBDQExF7fJeRMENT/jO8QAfgNdpvjMlYg7nwg X-Received: from pjbqo16.prod.google.com ([2002:a17:90b:3dd0:b0:312:ea08:fa64]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90a:da90:b0:312:daf3:bac9 with SMTP id 98e67ed59e1d1-313f1d07b65mr10747037a91.34.1750050928324; Sun, 15 Jun 2025 22:15:28 -0700 (PDT) Date: Sun, 15 Jun 2025 22:14:46 -0700 In-Reply-To: <20250616051500.1047173-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250616051500.1047173-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.rc2.696.g1fc2a0284f-goog Message-ID: <20250616051500.1047173-2-irogers@google.com> Subject: [PATCH v3 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.rc2.696.g1fc2a0284f-goog