From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 054A843BDC3; Tue, 11 Aug 2026 17:33:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786469636; cv=none; b=cltjIL1jY3/QNiIrqv7ScoNyzQeYxPHeT4Ulmlwv6IvbmkfkAl4BrQPi9ntY9UH9Onz6cF1ccMRazVLPAf98+E25WdCjUiddBLVZV4fTHWggwiUKYNRSA5pf9E9d49ToKD9WhCp43KnJhX8mYOQBgNCLDGnckMTnSTBldcjkCl0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786469636; c=relaxed/simple; bh=B4MuTUdhC3EllZcVqMauZHoRywzHrlzMHRYm5m56Tlw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HHJyZ0sxvo3qIRAUl3aIPjWK1E+QdfIdAhwazli/LIc8lJ1GGjfE2Wkc2Ui5OCoqpb/TN3GleOBgFlNo9g88P+5C9fl+EibnjOvyNpqlAmgvj8Nx7ZlzQ9f3ut3sQDkuOUR3Jnph2fO0A7ZYo77R3VpEOEfgeuqdveQuw5E1iV0= 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=GNCOZoj9; arc=none smtp.client-ip=198.175.65.21 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="GNCOZoj9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786469635; x=1818005635; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=B4MuTUdhC3EllZcVqMauZHoRywzHrlzMHRYm5m56Tlw=; b=GNCOZoj9VO3vb9ZkPvald7kSj1MHsFI35s1GBzGn534vJKkYChUCdfGj GEB8ckP+9trvGyJXOp01neel96u0QGax9Tw4CKWa9ubtr2E4zgVhaApXX kY1RQ4r28nOgbWUwPuQNpe6F1d3x28vC/qfXORba9XjmMjPjyttr6O+ep gub33PMofeY0Z8KeuQyqKht7VcW1mgRzPpqnz+IRA34I69EZPRu5qVxiH Btaov9achFq4XTs6uZ3fmYfTilTAlTMTuaYCqVqboTVFVq8Q9I+I4M1C/ Oy72psxetFEXjPvUb2BHuAkbViPlhk7rYTqtAuPmbxYsJJ4iqFlKjGgKS A==; X-CSE-ConnectionGUID: BqNZ4Ft3TqCEgv9DQ6LFmQ== X-CSE-MsgGUID: KggbEtPJQ12AicVWXwiNMw== X-IronPort-AV: E=McAfee;i="6800,10657,11872"; a="86863212" X-IronPort-AV: E=Sophos;i="6.25,218,1779174000"; d="scan'208";a="86863212" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2026 10:33:55 -0700 X-CSE-ConnectionGUID: iF1o5b38TKG/Xv2VCVXyUQ== X-CSE-MsgGUID: lg1kF8HYQBm7Q9lMbCqP6A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,218,1779174000"; d="scan'208";a="261648021" Received: from hanvin-mobl3.amr.corp.intel.com (HELO tfalcon-desk.intel.com) ([10.124.223.16]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2026 10:33:53 -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 v4 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Tue, 11 Aug 2026 12:33:35 -0500 Message-ID: <20260811173340.96013-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260811173340.96013-1-thomas.falcon@intel.com> References: <20260811173340.96013-1-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