From nobody Sat Oct 11 08:30:42 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 596C51C84DD for ; Wed, 11 Jun 2025 16:02:12 +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=1749657733; cv=none; b=YZLZKkMzhhzahS5ZHP2xAj3QVgXCiidDJ9qhFjy06M0d2EPCU86wdzHE1NwnhsI4D7ne49OppCrQmiGZun2bi5gC/pgdD/mTFiVN39lORPvt5sGBJT4GeF2mlGpQpt/btX14t38B9xBgovhDZZ1K7cbTO0C4aVntkFTmqU2FeTM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749657733; c=relaxed/simple; bh=BjW6AZGk7CZomAEyWECRkQDZi3WC4X5fktZTMbvlAbA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=VY2j5WIuUjeVh/LDF6P7/4RmBpTUQKCQ8DjRng1yZ2BVEpo1g/1+gSDVF/HA6OTTYeTnohE+00GUs05iHJWaYFC1cvijUhU4im8JcLQBOuGVak5CQSz76S4t9rWgA7qc7L7Ld9olTZ1WzpwkU7DrKwvmboDz5si9FoEYZr/QuKM= 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=S8d6RpuP; 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="S8d6RpuP" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-74299055c3dso66232b3a.0 for ; Wed, 11 Jun 2025 09:02:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1749657732; x=1750262532; 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=S8d6RpuP/t4EkF3ofxTjrjYMA1rfwGEF1OPziTKt1n/bKXx1UhGG07yxBgAPUOgplt wGW6FOxHRXwuWqIes6/THhU0+TnCbzWz0Bt669z6VkXyl1d3Wnfi/0OhL0xicdkUYOeZ BZ+Rv7K9NPPJF2bWi5icY2VJZwKzWceGO07u/NW9KRZ8zjzImDqAECfdmLHY+MZtqoxu u225NBDqtqqm/sVNUIYSzTy/rKvG3DF5S5PE3ZmB8prIl4KPSRTcr1wXVBRtfnyIZgbT HfJQAFX2SQaNW97MulGohIloacFbBtsPLc1fkxkQtbDoSq83VeC8vkpukwtGVO78mJtO PItw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749657732; x=1750262532; 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=M5A/K6xXcOTi3iyPFFoLIP50ktYTw0P47jhR1zn7/ViNjvskM/9iH0wbAjHwFujvb2 p5ZsAMq7hJ2+Gp4KfmpXCXbAnWElHrtrMJQdRwx3Xp1EXNqLG9EE3HLnV+mvB02nSjRa TH+HU4FjRZLFPjsxWXUaP0WRzzCdsvwE+bBmnB1yk+7PBHMFPh1rSZbjVy66OvekrZG/ 631C51XHWw0g9UGQwM5MXYdctM8SuEmmYIorlW5InInoHtvX3QmGTqjAb7KzIxE8ktEs iQ8/cqd7fT8N2wrbgUj8fHlylYs/1Lk7pO4zTDSR6QJCYd40P50b9tHOIG6hG2UXnptc zPiQ== X-Forwarded-Encrypted: i=1; AJvYcCV1PZ2Ls95LBHvm1My0gxch7zC1wwnHZ8ZNCveyx2kXsG9uPN64vI69fOmM7N4B+Ylvr6YyTskCC8yVXhI=@vger.kernel.org X-Gm-Message-State: AOJu0YzGTW3iE415ZUVSf6XvAVJokGAD0YPfze8shifA9sS7DhEN9T+1 ACj2M/e/+YxQRlw0UtO1wAtXITxB8Yp1UtnKqtv/5y+ffyQeLeVuEI/4M1G/8w+xDTSgMlz7rZu jlu08SQEfbA== X-Google-Smtp-Source: AGHT+IFRsv9gZ6KybjWGxsIgbP56ZktGajyQTN9FBoe6EdAqxdXrc/PpNdCE6rAY28U/h1LpaHPiw2J+TSpK X-Received: from pfbil9.prod.google.com ([2002:a05:6a00:8d49:b0:746:301b:10ca]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:22cf:b0:736:6d4d:ffa6 with SMTP id d2e1a72fcca58-7486cdf4d82mr4897830b3a.15.1749657731710; Wed, 11 Jun 2025 09:02:11 -0700 (PDT) Date: Wed, 11 Jun 2025 09:01:52 -0700 In-Reply-To: <20250611160206.552030-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250611160206.552030-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.rc0.642.g800a2b2222-goog Message-ID: <20250611160206.552030-2-irogers@google.com> Subject: [PATCH v2 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