From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 904F94CCDD7; Mon, 31 Aug 2026 20:46:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788209197; cv=none; b=qwgSnQLM2s9t5jioNbXc2CbK8LgbR/GKTdjLcH/PYgHcKUl+lW51nLyO8Icn1syvmBZjtaC9zLtZ+RWSPxPo42LWZ+AsP+OU0A4THuoWm1WdlmE35iskW/HazHtq6m0qnyTA64Gct+8KuAGbKS7Sd7Pg3xivlcNRwRQAT1my1B8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788209197; c=relaxed/simple; bh=mLejFowYm2X6VHgkPdi17Jgt/N1ot0OaV91zeWDUK4M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=vE9p0R2GbtvcVOydK4Np1h55y4FUswu+0oykHMVikqh3zkFOj/SBak7cJPph1LUW3NSWSRCNVvLfb5SzN4aBoeFKqRwUGbeznFJavNXRyW1h+CSDz2oNZazv7yhAGXSfdSJlWiiJjoY4fY3DDGEvDNcI+xEaBCe9bd7YBVibTGg= 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=G45Zrmwt; arc=none smtp.client-ip=192.198.163.8 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="G45Zrmwt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788209196; x=1819745196; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mLejFowYm2X6VHgkPdi17Jgt/N1ot0OaV91zeWDUK4M=; b=G45ZrmwtfR9E7tOMOsyjEmahanRGlME7kbT7J+ZT9HONbMCKf+AbJiIq yY3s8zG2hptAcXR+nQ4TFrZS/t8S5OT5POEwf/U8Rbg5intbnrVmG3mnB b/An74topuDDS5/P60dl30xNF1jWBKmR3WJ1EGlRXraXWEK0m5BZitC1M FdT+d8u64nXO9A62isvzwhItB6FnITuhx2Z4xBU3XpEpHFj8HjpHiwEPi DyRK5DHwOnF5zigutyQg/3GnTTAAO6lq9SGxnVdzaygIhN7Y3JUSLKog8 fK/PTJKQYnUpHI9RllLXm4vdc0MT0p1s7lN1YoyamvJzA4kuCsmCufVBQ g==; X-CSE-ConnectionGUID: 42ICh6BJRgynuHXLKN+FGg== X-CSE-MsgGUID: oWp8YFcWRPyprrOAQWv+jA== X-IronPort-AV: E=McAfee;i="6800,10657,11892"; a="106147273" X-IronPort-AV: E=Sophos;i="6.25,254,1779174000"; d="scan'208";a="106147273" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2026 13:46:33 -0700 X-CSE-ConnectionGUID: YD4ck0oCTAKKFK6y8PLk1A== X-CSE-MsgGUID: uqkEGwWfTRudOSJW9ERjRA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,254,1779174000"; d="scan'208";a="268345988" Received: from aschofie-mobl2.amr.corp.intel.com (HELO tfalcon-desk.intel.com) ([10.124.220.28]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2026 13:46:32 -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 v6 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Mon, 31 Aug 2026 15:46:08 -0500 Message-ID: <20260831204613.2793526-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260831204613.2793526-1-thomas.falcon@intel.com> References: <20260831204613.2793526-1-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 "); -- 2.43.0