From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 59A1D283142; Fri, 21 Aug 2026 00:18:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787271513; cv=none; b=dzYwUZv0PwjAc1/pVhXyLyJ/klLDWhh5Yc3iPA1JWIo20zdxx6ytm3Go3VpMhFFJ2QLkUEp2TuVtUiuP0s50qaP6ClJvQ0sjRBOn+w1+hkg0ML25jZ5HdaqMDEldg6R0KvJKX2N3vsA40xd7VOGf0kz53Bk6kRmbWvHrQ6OT4WE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787271513; c=relaxed/simple; bh=VEiYJraJEmJrQtYggUUXx1NjjLl3SB9Im8C7zQV6qBs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qWAtmB28WiptG8d5D1h1B7IocaUZRoPEfMjIcc+dLWIKDNXsxcBOVK17wE5S6Yjc8KPQL1w6RRTKi4Om9MgoTowoz8Vm0KsGtkHAYOgf0QO+ba2OqfkxrZ1hqP+hvuwNgDuGsCzzSG0rZ8x6oKrt1JDDhsjsQZprI3encNRpbj0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Q2chjRBR; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Q2chjRBR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787271511; x=1818807511; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VEiYJraJEmJrQtYggUUXx1NjjLl3SB9Im8C7zQV6qBs=; b=Q2chjRBRKA8cDgl1xlmfeJno1mK1zjsBxa7bmkTtnLOW/hVsILjkXgSf LaXQmoz+YQdUrRugU3wZNYqHxVjI4GvyJGDYk4sSaYzOxbvnHldh6k+ur VsvBGZ7a8s+XstCFg9hXzekTgTVOQO6vXbwujp5VgUPFZO6dXgk4T7ij/ YGlxJOajFvcCAKtSOu6GoOHDZLNb3zLNAYplaxAOnFwhtqMC0BBHjzDRy rK1loClCsZn6QdMmlKn/1SeZ7/INgP5JbU+0uBslrJB9FyInkzR6K0J/Y tI2My1/0m71lWC1yGMY8GRFWiI8qrmvq/ojcFH83aZo+tCJ6oL1KBNpw7 w==; X-CSE-ConnectionGUID: yb1NsbGmTlWmQbCMY/w86Q== X-CSE-MsgGUID: plOO2VlLTDaPa2s19Qgbxg== X-IronPort-AV: E=McAfee;i="6800,10657,11881"; a="87839468" X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="87839468" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2026 17:18:29 -0700 X-CSE-ConnectionGUID: pZNN/ESqTNOg2v/LZZnOyQ== X-CSE-MsgGUID: ouQOOyvkREubrq2aHA9Njw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="261914967" Received: from rodrigoa-mobl1.amr.corp.intel.com (HELO tfalcon-desk.intel.com) ([10.124.221.152]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2026 17:18:29 -0700 From: Thomas Falcon To: Namhyung Kim Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Dapeng Mi Subject: [PATCH v5 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Thu, 20 Aug 2026 19:18:14 -0500 Message-ID: <20260821001819.162277-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260821001819.162277-1-thomas.falcon@intel.com> References: <20260821001819.162277-1-thomas.falcon@intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When printing memory info in perf script, the entire size of the buffer is passed to perf_mem__lvl_scnprintf() instead of the remaining size. Pass the remaining buffer size instead. This issue was detected by sashiko during an internal code review. Assisted-by: Sashiko:gemini-3.1-pro-preview Fixes: fdefc3750e847 ("perf mem: Print memory operation type") Reviewed-by: Dapeng Mi Reviewed-by: Ian Rogers Signed-off-by: Thomas Falcon --- tools/perf/util/mem-events.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 0b49fce251fc..4e490f9cd348 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -610,7 +610,7 @@ int perf_script__meminfo_scnprintf(char *out, size_t sz, const struct mem_info * i += scnprintf(out, sz, "|OP "); i += perf_mem__op_scnprintf(out + i, sz - i, mem_info); i += scnprintf(out + i, sz - i, "|LVL "); - i += perf_mem__lvl_scnprintf(out + i, sz, mem_info); + i += perf_mem__lvl_scnprintf(out + i, sz - i, mem_info); i += scnprintf(out + i, sz - i, "|SNP "); i += perf_mem__snp_scnprintf(out + i, sz - i, mem_info); i += scnprintf(out + i, sz - i, "|TLB "); -- 2.55.0