From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 9735B535FCC; Wed, 23 Sep 2026 15:57:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790179034; cv=none; b=MugJbBSL4apnBwwppciTf2WZROSlq/V8nA1L0MSJ5J0qIQauM0IHlyjdSsMQ+SpeCOft+RfA0yVJzwR2rdJn3qBEcHTFNq6ybxEiZ+rHMY2QoG50+KUpVsvS2hWFLJALzn7MnaQTFFlQtBV5uPigkRtos8w+nrkHHdb9OvUeGyk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790179034; c=relaxed/simple; bh=61Cbk8gWAylO7hZbbTWJcmxc7IPxOUBDw4qLi05zMv0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NV1rR32NhAlMPLZ2wHZPHCASDEX6TNXdVNO4L6N7UxPM/J3AzuMsKu9SFBi1k0ZRik1sL4+9VBwssOlW+pKj01aixFenmURPeFcVbYqKTAgnPoE2exlbWkpQH5yhQuYUzVFKv5EdR760/b6cjYmRcp9/DgqQbyk/bMbIdFORWXM= 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=IQDjQAgi; arc=none smtp.client-ip=192.198.163.16 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="IQDjQAgi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790179031; x=1821715031; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=61Cbk8gWAylO7hZbbTWJcmxc7IPxOUBDw4qLi05zMv0=; b=IQDjQAgiV9GZrdI6fL4VpOAhJ6lzUT+ofjgzqZdJZfeJtybKNxduyMPj hByDQ+CkpdVmTada+wbkBjcst4lESzATXfFhHyU+MwjVBDYI+qGGDUn5S izMct80Rt4Gli222oBPqIUkAxuSRWCo8yvAISus+JmQ4zi7C9gBKRRCd5 KWROK/0eKS/FiUsou+sdSgoQKUf1mwxnhKt5Jk08ZRydtVZlGcdPqZvcW GeoSvdqpD33EaHgLq3UuDL/dg5aZCIUnIahgRYwqiWypjvfm4vLyv85d+ BpLoshuNm1wxu7hL0TjJdYYyf8tcunU9+0LM4ymwY5UOEat12MjPRkfnK Q==; X-CSE-ConnectionGUID: xyKrwinkQB+9iSCjl6yIoQ== X-CSE-MsgGUID: iJqtPQQVTmqV2j9Jw2X8nA== X-IronPort-AV: E=McAfee;i="6800,10657,11914"; a="78445927" X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="78445927" Received: from fmviesa013.fm.intel.com ([10.60.135.153]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 08:57:10 -0700 X-CSE-ConnectionGUID: NuCw23jXTtydLB9t6+aY4w== X-CSE-MsgGUID: OnrXhBeHQvaFjqeerHIIZA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="4935303" Received: from rosenzwe-mobl1.amr.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.221.119]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 08:57:09 -0700 From: Thomas Falcon To: Dapeng Mi Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Subject: [PATCH v11 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Wed, 23 Sep 2026 10:56:58 -0500 Message-ID: <20260923155703.34814-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923155703.34814-1-thomas.falcon@intel.com> References: <20260923155703.34814-1-thomas.falcon@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@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 Reviewed-by: Namhyung Kim 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 "); -- 2.43.0