From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] sch_netem: Bug fixing in calculating Netem interval Date: Wed, 07 Feb 2018 21:59:58 -0500 (EST) Message-ID: <20180207.215958.552524757949426527.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@osdl.org, netdev@vger.kernel.org, edumazet@google.com To: mislam4@kent.edu Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:39516 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751055AbeBHDAA (ORCPT ); Wed, 7 Feb 2018 22:00:00 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: "Md. Islam" Date: Tue, 6 Feb 2018 23:14:18 -0500 > In Kernel 4.15.0+, Netem does not work properly. > > Netem setup: > > tc qdisc add dev h1-eth0 root handle 1: netem delay 10ms 2ms > > Result: ... > (rnd % (2 * sigma)) - sigma was overflowing s32. After applying the > patch, I found following output which is desirable. Applied.