From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 33D233EC2F8; Wed, 23 Sep 2026 17:09:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790183363; cv=none; b=B4e0SnW+m7ffJE/rf+ycaq6L2kKrSoCkfakhjfmOksAPbASGp96iJTuLE+uXlWeIm584tGqGCiW9nnfuptLtyCUfRE7j8Yk0dOVM/upn83IN7EaCL0vmZ5vKBS/SZ5kSjg4PJtqSa50j2BlpuZi/AFUS+LyiIVKthliWcIzSlHA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790183363; c=relaxed/simple; bh=61Cbk8gWAylO7hZbbTWJcmxc7IPxOUBDw4qLi05zMv0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pSWuV9yD/tNqwCcyf7njXhH1GJ5gMZl+EMkyYaVxoSwLA0g0cT5WR/IULEYAjYRh+p7WSaVwHegcQW3+1OSJWn4TGS6nFR9XM9MtMuP5if2IFkqDNaRMr1WqQFGp/mdZD2FokUMrtKiBk3BHz/zw70Wec/lPlkrpontrxMDmfc8= 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=EQ91g0zv; arc=none smtp.client-ip=192.198.163.19 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="EQ91g0zv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790183358; x=1821719358; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=61Cbk8gWAylO7hZbbTWJcmxc7IPxOUBDw4qLi05zMv0=; b=EQ91g0zvm8wuRveLhK09AdBA5kneYJmfavJc9MByVYfrC+SYsUcZWgh7 tUW74wlIgN6q4EsE+vbYB7IrDVqlGMHWV1FquDQuw8yEhYoNdoB+zTKEW vjhMvLZKaIClLZwOdez7JC7f6s5+UnVnE6eyvT8OcLJxQ981YDuyiQ9NJ 7PUKxPbYvPE9PGLBUgr8Wem2k+H07n0XrKBeyAbMMf9pGU/JW74VSo3oX +jctS6J+k6lgwsDsaKPnfDUKNZ/N5/++QcDC9nQIe/cMN/FH5ZyFBdj1Y NfUBGa0kkD1FKdLnI4+0M1BeDCBHZkNuTsIScNWNpti4GL0YEyffSHdWE g==; X-CSE-ConnectionGUID: lE3/C3jLSF2uYYGmyCXebw== X-CSE-MsgGUID: +qBYK4gwSme1RYR6levYbQ== X-IronPort-AV: E=McAfee;i="6800,10657,11914"; a="89820259" X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="89820259" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 10:09:16 -0700 X-CSE-ConnectionGUID: 8LntGDbdTvy+GA+k9rxRew== X-CSE-MsgGUID: xey6fpiBRymW8JfAdk+emQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="301631613" Received: from rosenzwe-mobl1.amr.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.221.119]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 10:09:15 -0700 From: Thomas Falcon To: sashiko-bot@kernel.org 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 , Dapeng Mi Subject: [PATCH v12 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Wed, 23 Sep 2026 12:08:58 -0500 Message-ID: <20260923170903.48388-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923170903.48388-1-thomas.falcon@intel.com> References: <20260923161043.95C171F000FF@smtp.kernel.org> <20260923170903.48388-1-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