From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 24E57493644; Thu, 10 Sep 2026 19:44:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789069468; cv=none; b=JZzOB57Jn+8UB8UD91PUqGWTkwTFJRZ7ci7Id3gL12UU6O+mBVP7eS9NMDDzkTRIdzpIeafz8irodd+2Y+ITt1Ng4/yV79XG/NjB75ea9JDk5aNU4eJbE165ateYIDaLqeRHpWQK/YUFSBTSuwO6gJmY1hH+wrzxaRoFu1LieOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789069468; c=relaxed/simple; bh=mLejFowYm2X6VHgkPdi17Jgt/N1ot0OaV91zeWDUK4M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q+v7F4A41uUdS8OXXsjWKsXJ8P5j5No0LpyjDJkECThwSPyFLoFE8KhXn/xCbexKGyp5+6cVMMsOoT25cZrMYrKw5Gz8uyFyNpmF5LgMadbr/WGiNGohGyV+qkWGgrbssr81MW7VcCHu43R7gtu7ThwpZRIH56AWVw8UKOcJY1M= 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=jcnrM24p; arc=none smtp.client-ip=192.198.163.17 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="jcnrM24p" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789069466; x=1820605466; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mLejFowYm2X6VHgkPdi17Jgt/N1ot0OaV91zeWDUK4M=; b=jcnrM24p7huzXAlDRWD2TjH7S4fbeqGVwGdeHACGNbRcUtkLq6pfD/6X P9lc5mWqTxBgh/VUcKoKfiy4k66VP2BR8GxapGo3FXOVBfgEIEvGMT7OL 9MT9I7PJdVV8rTG5tQQl3ChsIwKosjN3zrGTd3gOFJOYhhYHn31+cUSFD 2aUvWh7Uf3n2UmNEOl14Cq+5snAZ+LPI+jTv+N0hiKc+T87C8HmawUKi8 lR0FJrm0AbbKUWszVlJ8/++kDrhtFjhg6VQszQoZraW4ppQ3OLa2bvkqB zu/0cgxm2NV0xDsTyHBrm6rtps1rTAlLNRH2yzobkzJhAXMjfE9yO2gnA A==; X-CSE-ConnectionGUID: ePZSZmvTSX6iYMKruLVjOg== X-CSE-MsgGUID: JydU6PZ/RCyi6f79dT30Ww== X-IronPort-AV: E=McAfee;i="6800,10657,11901"; a="89402890" X-IronPort-AV: E=Sophos;i="6.27,95,1787036400"; d="scan'208";a="89402890" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2026 12:43:51 -0700 X-CSE-ConnectionGUID: /D58CptvRWislmqj3SNDDA== X-CSE-MsgGUID: sdW1GR5FR0mva4w6Y0TxdA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,95,1787036400"; d="scan'208";a="295206760" Received: from vverma7-mobl3.amr.corp.intel.com (HELO tfalcon-desk.intel.com) ([10.124.222.113]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2026 12:43:49 -0700 From: Thomas Falcon To: Arnaldo Carvalho de Melo , Dapeng Mi Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Subject: [PATCH v8 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Thu, 10 Sep 2026 14:43:19 -0500 Message-ID: <20260910194324.98002-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260910194324.98002-1-thomas.falcon@intel.com> References: <20260910194324.98002-1-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 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