From nobody Wed Oct 8 14:43:05 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 019C84C6C for ; Sat, 28 Jun 2025 00:09:35 +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=1751069378; cv=none; b=kK4OAJEdcDJHwssIatoq7v6c9v6WGpvDlYTi07/XEbVVdzuqjyximXHkfmq1WkE6PsNdqcjlmsnuaAbf0HR8/mQss67fBNp8geDeCR1XC6b+hOQBAEUUFNUEEL7s/3I7vUqkbGmHnwjQ0mynZHglEh36D5S+a0kGGL0Gs034Nao= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751069378; c=relaxed/simple; bh=2GC+gz3NU/TsQzR0IgAKnBmtJMBkRxMKJ10VQOb4VUE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=R9KKVtvJ88UacWsJiixf8dWwQ8d5qPkT5GXldtvcqUnNdJCyxviLnubu97gSOfipGpieKtSc5lv2eDipUrB/s++63wPWhpBj0pKSrUmcc903YlZhUy20B1sgs8Da22tbZvxpSrwA+TwQ9T3o9ih6B9HSn1FhAoyeeEE3jUjjHtc= 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=IznjzVJb; 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="IznjzVJb" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-23638e1605dso690575ad.0 for ; Fri, 27 Jun 2025 17:09:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1751069375; x=1751674175; 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=FeoLfxu6vl8iu0oh1ON8hijy8JrvEUox5uGVMnB9N0M=; b=IznjzVJb+I52tkmfFQVjuywt0wWpMz/91DTviwaAVxrbsFEfczg0gpTzJnBcaf8YN7 X+P0OuiGI4K0ZtKLsMukwgE8I1pzPl4Qw96XeCNTJulgUHhd3yZIKUu0onfuU2ysVk41 epcE/vYRJoCJBBOfQ3pJ63C+nRXbaP086r1sToOUL+HX7mhzZwENmaYE8LtjlqqByqF3 IPqPeI963weO62ju0sMiW52y5lVVUALw2hb2Ggd9LzDwJFUWxDxJyga5vMREslQYBhKB JPyU6NLkrH8ATrZGENOt2OzcHUwr1OZVaXNfBCsecaMsyPfo6Q102PAEK7aEj9sl22+5 nKqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751069375; x=1751674175; 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=FeoLfxu6vl8iu0oh1ON8hijy8JrvEUox5uGVMnB9N0M=; b=uQx1HmNxShaqvoK8SRvREgcQbJTclTwvxfHVp5q7XAX0MQdEttcdPpdDbLhbdFnMES q7epCAhSSZJF+xJls8wj9/E9If6ahYpxJzeL1zUPGbnEhfbbW+StS86a1Qdt3vKcet3u b6nJ6SIClnxtxPOgl/H2KXeIpLmxgm4mBEOLYi/Z3O7zqBFEIoU9qJ4drGxfv1SJeKaG DhQSGke/I/ifO9U9yIclGR1Emle0bUVYAljWobV0SIhTIJy/iIytSrPa0agJHpuFpCde DsF6VQWo9fIoC2zWZdfFeP5w30iAqZzoicA2Iq3oBzU6lxyI7NBGXLdBxyaSrTAyI7r/ MyqA== X-Forwarded-Encrypted: i=1; AJvYcCVwH995j/lfdlqLZkRCQD+9Nc4r/ZXllrH+bdRNlKnptjlt9dWEukVuQWalCZ77YKgTi9PvQXOXc8ZPEX0=@vger.kernel.org X-Gm-Message-State: AOJu0YxstjXS/EaMTxo3stuOSrP9EqWQYc4JtwEsKqOXfZMZIyTXm8wm 2b2+cXHIt6rp6Dtk2efOJMnRElDWbLD/bO5q+fDDNrO5VtRHbKMwHDVoG/pWXke35V3W58EiN6n p/CXgQRzYVw== X-Google-Smtp-Source: AGHT+IHjF3eVZ4rb+9Jd0Y0bCQYcJEukiIKzVekz1mGzbrQ6INpOqjJFImlq0ucLFt1Eu8t6Qi1Is8EUx6zl X-Received: from pjn8.prod.google.com ([2002:a17:90b:5708:b0:312:151d:c818]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1a67:b0:234:8a4a:adac with SMTP id d9443c01a7336-23ac3afda4emr57508945ad.20.1751069375191; Fri, 27 Jun 2025 17:09:35 -0700 (PDT) Date: Fri, 27 Jun 2025 17:09:15 -0700 In-Reply-To: <20250628000929.230406-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250628000929.230406-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250628000929.230406-2-irogers@google.com> Subject: [PATCH v4 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 2.50.0.727.gbf7dc18ff4-goog