From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 4386D39E191; Mon, 3 Aug 2026 20:45:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785789958; cv=none; b=JT3YHDy2KkulfURmFz/VkdmRGWVgGtm0TqyEESWPLIOJspPtEKNlGJhdYNNph/NDbWwbxvvNx6O1DI8RycCuww1+f+UkblJBb0/x3MaTAKjk1kGyNtJ2nebiTUekR2VSH+BPLvsfuOFpvMp/phWgYRuTtqEE8BXze5j3tz7VOAE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785789958; c=relaxed/simple; bh=B4MuTUdhC3EllZcVqMauZHoRywzHrlzMHRYm5m56Tlw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OT2xhQmJH+eJjVkU/dR4L6OkGm/l5KN+xcrQLSwQDjr4hmWAaoBUfAGaKTEIHz+sis0lRwtr/6xeAm7jIfi1QaBfWFfXJRAyFLm75J8qOwEBTaH3f1Ru7CpJ0WCYwm16qlfMHjee4+YHkTWmSqFDxzjvqXsX5pMtetcRG7ODQLs= 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=XGJopVXb; arc=none smtp.client-ip=192.198.163.11 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="XGJopVXb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785789957; x=1817325957; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=B4MuTUdhC3EllZcVqMauZHoRywzHrlzMHRYm5m56Tlw=; b=XGJopVXb6N94jWrZ1h3VrI+fmVSz8SM9QawNbPUztSshEifMkF79FpW7 M2Siqs0DaAOc89o5Myh79vB+NIKDhKUabacIwhLDyTWHpyNSgYTFUV9UM PjAUBP59TrWo7la1LZXzg4HyYFH7HvXiXGiQ1TYlyyGSZqCrRF/iXJbvV vTbYP8YlSVUVLCW90eQnu1SE/mkwRrxzu/9G6H2gX0GvVhjS9RrMnNebx mK6GuSfHqLFaVk+G+AU7CjQPUyQsyjEpAj4ldwrOas3eES7Fa55TxzI/c 2qNsE7YYkC9WWuH6x1YSzp8rOxprUIkDuQNgGWCBFWTmVRaJ7Jw9ejss7 g==; X-CSE-ConnectionGUID: C0QhpbdkTn2WLD/FvpgNog== X-CSE-MsgGUID: ltWMWXzJSV6X50RCXpsdfg== X-IronPort-AV: E=McAfee;i="6800,10657,11864"; a="96927254" X-IronPort-AV: E=Sophos;i="6.25,203,1779174000"; d="scan'208";a="96927254" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Aug 2026 13:45:57 -0700 X-CSE-ConnectionGUID: K2WEcsM8TPOWXrXX4pDqJw== X-CSE-MsgGUID: E2rGFutgTUCQG8wRup5jyw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,203,1779174000"; d="scan'208";a="284702350" Received: from rosenzwe-mobl1.amr.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.221.5]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Aug 2026 13:45:55 -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 v3 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Mon, 3 Aug 2026 15:45:35 -0500 Message-ID: <20260803204540.100348-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260803204540.100348-1-thomas.falcon@intel.com> References: <20260803204540.100348-1-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") Signed-off-by: Thomas Falcon Reviewed-by: Dapeng Mi --- 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