From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 057BE58038A; Wed, 16 Sep 2026 16:31:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789576322; cv=none; b=F3PBwCy2rGsA9nYvS8d9qi8POeBhXq2ULQkPXzZLYX9zf1mBVD65prgje8zWTaPMuvquJBGGm9EFfA4ZAxkdPZX+gi+DAd+X+RCBwCPrsAvxJEPNENfIPAdRP/iSxD7TfRiR+QtAv5xvx5TrArUg8iaVU3G2VJG0M1g4S7iCCTw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789576322; c=relaxed/simple; bh=61Cbk8gWAylO7hZbbTWJcmxc7IPxOUBDw4qLi05zMv0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bgWqYLnlrSu8RQyhYfDOFU2wDIy66abHaFgNFpYRxGt9cFlN67NjP0Km/uEioqG/emdmokZ4TO0etvAP+MLBS2cYEgm5RdGLyo/s4dJsueb95iGOoFKE0g8CksNqMLFCNtxj83OzGxHNs5Jv5Y1J2two7nAYSKGQhIDa5cIuEho= 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=SCtW2sZO; arc=none smtp.client-ip=192.198.163.15 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="SCtW2sZO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789576311; x=1821112311; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=61Cbk8gWAylO7hZbbTWJcmxc7IPxOUBDw4qLi05zMv0=; b=SCtW2sZOMzYcvJ7FN7SQNpuXh4+DHTlFkKR09RkW46BIKJyTmlaAB1bT zsLapSyCc42H90pCM4yUmoFbUed4B4fLkRtPJfhjg5ucHotOuJDSXzXUh 5eVUeYHaUX5FGfNmaaZlhK5MA5dEnIAYs5LPjfbmluU/uxv1BlOVlOE8I r6OgQHekYiq8hyQ0leuZJLECDmLedpG8cXuFzWX6kFxp2rh9LCYVJEIP5 P5+L4D5OkAjbUcB7eLtoGCuFRykX26+74CUA5VjCdW6bVtgWbfyENPxtH dlyPSqPH4J8RvM33ntqmJqCGojGeQTB05++Q2NWCUHctNQnRBYsTcL9qG Q==; X-CSE-ConnectionGUID: YFfo+nfkRU6pPYjIVPcyEA== X-CSE-MsgGUID: qEH5VL4/TSmcfqXzIa+/Tg== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="90093396" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="90093396" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 09:31:47 -0700 X-CSE-ConnectionGUID: 9rAskK/HQUKHJdnkoKmKQw== X-CSE-MsgGUID: u20xWZxdQouf30jdvMFYZA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="273363821" Received: from iherna2-mobl4.amr.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.223.212]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 09:31:45 -0700 From: Thomas Falcon To: Arnaldo Carvalho de Melo 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 , Dapeng Mi Subject: [PATCH v10 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Wed, 16 Sep 2026 11:31:22 -0500 Message-ID: <20260916163127.318885-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260916163127.318885-1-thomas.falcon@intel.com> References: <20260916163127.318885-1-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