From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 5935057ED81; Wed, 9 Sep 2026 16:02:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788969754; cv=none; b=flsYP2o3D4xu/ubjEyMnWp44DIOL6WxHRN5BtZlA1SDwbCEvIAMGPLZt/DvHXHWQkCJHRtIJv0JCezOA1mK+ra0OWWxy8cBUG9TGJBogdfGd8Eg7MbLgwHe7E18mC28lIwriSV/RpNSUD/+37ReGwtTHgySVHrQxBJ1OL4h1mmg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788969754; c=relaxed/simple; bh=mLejFowYm2X6VHgkPdi17Jgt/N1ot0OaV91zeWDUK4M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dEihr1JBcrt+gduxUY74omzmwsDtTqbGQQRncrYrfBxWyQ3UhBhXALXltZAiQJrf9nCmZtIlbCPu2ozmO6s3EnongKRCjBatDLOkmYtia4pYudIetvvPZKO5JoTJZeuPa8Ck3NCbjIskHZgKPq2XYKmbrg0SdsLmEyxet5o2z2o= 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=Hm8pJMjL; arc=none smtp.client-ip=198.175.65.13 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="Hm8pJMjL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788969754; x=1820505754; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mLejFowYm2X6VHgkPdi17Jgt/N1ot0OaV91zeWDUK4M=; b=Hm8pJMjLXnDkkJl4CJosuoLVrXI7w1c3JLZhICSQA5vPqj8oOIW5lg9i VF1ySE7X1tWZG5TyvWXLvuI3ILjUVv9nMe9AYGsbw/yegzlVQmJANsy8R oBfoGe3qF/u2L2TV3Ju7Y7Ac2f2IuoHqmoiIvwCHHOp8TqG9SLCDL0hmU Mq3/4dsxJIfIAtrqIxkOsqvdVG26zj/zFSOY9qG01zn/rZT/GCkMpn+2a Nq4xXML/QpRGliAzEnqLF53z2G8QzNX9S+cIFEuOKMBWpFTcRwynhVmfB +Vh3R2i07DveeLY/pVqKladptJRsvEbuUJBvnogodNZbnwekkZazf4NG+ w==; X-CSE-ConnectionGUID: f1COMEP+TBedVLV3zgnnVQ== X-CSE-MsgGUID: udRbnjVUQ+qYvnJCLoNd0A== X-IronPort-AV: E=McAfee;i="6800,10657,11900"; a="100564463" X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="100564463" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2026 09:02:32 -0700 X-CSE-ConnectionGUID: s65PrPKXSyuR0H3l2Mq1Og== X-CSE-MsgGUID: o0rZ4AHsTRWpgT9uPYslZA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="267072934" Received: from iweiny-desk3.amr.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.222.48]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2026 09:02:31 -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 v7 1/6] perf mem: Fix size tracking for mem_lvl's in perf_script__meminfo_scnprintf() Date: Wed, 9 Sep 2026 11:02:13 -0500 Message-ID: <20260909160218.174928-2-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260909160218.174928-1-thomas.falcon@intel.com> References: <20260909160218.174928-1-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