From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Date: Mon, 10 Nov 2014 16:20:44 +0000 Subject: Re: Best qdisc for interfaces of a firewall? Message-Id: <5460E5DC.5000902@hp.com> List-Id: References: <545EBBDE.3040200@conversis.de> In-Reply-To: <545EBBDE.3040200@conversis.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org On 11/09/2014 05:58 AM, Dennis Jacobfeuerborn wrote: > In its default configuration both cpus are pegged at 95% soft-irq usage. > Enabling vlan offloading reduces that quite a bit...but apparently make > the system reboot itself about once every two days. Someone else has already commented about asking someone about the reboots. I'll simply mention the "perf" utility and assuming the CPU type in your device supports it you could take some profiles to see just where the time is being spent. You can probably guess already that it involves vlan processing but it may be helpful to have more of the details. rick jones