From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 6DA7833ADAC; Mon, 14 Sep 2026 22:47:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789426024; cv=none; b=dF+T6jmYZIksYhflsrNo5TNIWXP0r3Jf2S28w9s9XgwV96t/xCYBHjOmXa9OA6t1UZ6d69YM+EuYMUrZP99zZV1FnjpT1Y1NeaP0zPnghU0hTQ3BUMHuAYnFYKYGpBbkRk5KXbTDaZTHs/0Viwup6XTB6v+VAJfpyHLpQYSSkGc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789426024; c=relaxed/simple; bh=pOePqkBJLrfv2TXiH/IEvGpnSf3jUCHa0XcWppuJxAU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aAAz6QXK+0sA6rqdEKwcEQ17K1ELs/VfWF/xYOprZrppWT50XClKewOEA5FXVXRJZ0VkfC/2KaHvsFe+ms3nBNYStQYMT1yXNa8vpRajXPnfpM3+WnkiQBQwqYqAVClG/KmgDde3rbt6p2hCMs4zlQYyQKzZa4wEhIvqx4+9bSc= 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=OiZx5MCR; arc=none smtp.client-ip=198.175.65.15 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="OiZx5MCR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789426022; x=1820962022; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pOePqkBJLrfv2TXiH/IEvGpnSf3jUCHa0XcWppuJxAU=; b=OiZx5MCRAPzbbfSbQloyFX5Wv98kTRE9dkLAaQOK6DlT3LvDxw+LwtM4 gzDHbsyjcHWtUn7cnclwSyoU8tpwiz8+oWFe9mxeOucG/fFgqLrapFYDz hZ8Ai+V/i319Z/vyam8T8VdCjK/khND14ZgLCm0lMVE+XY3gtBrmPAL5P gmfuhQ3HzCp/Tdlu/zthVg1QFMezGjO2jXDlmBdcZMdVyS7Flm5Pp6N6j 9lRbJtaCxH4AM4TZxxvuRNCZLTXx12xWs3LxeoeWYad7UrFoX3AuiWzfh dwudZXMtLuj1KkoyAEAoRls9MazpQsTP9fglAfXZHnO8vmYVC3x6lHisd Q==; X-CSE-ConnectionGUID: zJBWiMYfSR2lM0nC5vVvCQ== X-CSE-MsgGUID: fWGGZ5UJQGi5brEKJbGDHA== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="93483211" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="93483211" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2026 15:47:01 -0700 X-CSE-ConnectionGUID: 2G3ExIDnRx6rQuGp4/oXCw== X-CSE-MsgGUID: +y7sMF3GSSmnW2YUz/9IaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="268480091" Received: from khuang2-desk.gar.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.223.56]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2026 15:47:00 -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 v9 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Mon, 14 Sep 2026 17:46:45 -0500 Message-ID: <20260914224650.52982-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260914224650.52982-1-thomas.falcon@intel.com> References: <20260914224650.52982-1-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 "); -- 2.55.0