* [Question]The benefit of weight_p in __qdisc_run @ 2014-12-17 8:54 Dennis Chen 2014-12-17 9:20 ` Daniel Borkmann 0 siblings, 1 reply; 3+ messages in thread From: Dennis Chen @ 2014-12-17 8:54 UTC (permalink / raw) To: netdev weight_p is used as the burst xmit packet quota in the while loop of the __qdisc_run function, does anybody can elaborate the benefit of the weight_p introduced here? what's the consequence without it? Thanks! -- Den ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Question]The benefit of weight_p in __qdisc_run 2014-12-17 8:54 [Question]The benefit of weight_p in __qdisc_run Dennis Chen @ 2014-12-17 9:20 ` Daniel Borkmann 2014-12-17 9:32 ` Dennis Chen 0 siblings, 1 reply; 3+ messages in thread From: Daniel Borkmann @ 2014-12-17 9:20 UTC (permalink / raw) To: Dennis Chen; +Cc: netdev On 12/17/2014 09:54 AM, Dennis Chen wrote: > weight_p is used as the burst xmit packet quota in the while loop of > the __qdisc_run function, > does anybody can elaborate the benefit of the weight_p introduced > here? what's the consequence without it? It acts as a quota to introduce fairness among qdiscs. See also slide 7 onwards for experiments with/without it: http://vger.kernel.org/netconf2011_slides/jamal_netconf2011.pdf ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Question]The benefit of weight_p in __qdisc_run 2014-12-17 9:20 ` Daniel Borkmann @ 2014-12-17 9:32 ` Dennis Chen 0 siblings, 0 replies; 3+ messages in thread From: Dennis Chen @ 2014-12-17 9:32 UTC (permalink / raw) To: Daniel Borkmann; +Cc: netdev On Wed, Dec 17, 2014 at 5:20 PM, Daniel Borkmann <dborkman@redhat.com> wrote: > On 12/17/2014 09:54 AM, Dennis Chen wrote: >> >> weight_p is used as the burst xmit packet quota in the while loop of >> the __qdisc_run function, >> does anybody can elaborate the benefit of the weight_p introduced >> here? what's the consequence without it? > > > It acts as a quota to introduce fairness among qdiscs. See also slide 7 > onwards for experiments with/without it: > > http://vger.kernel.org/netconf2011_slides/jamal_netconf2011.pdf Dan, I really do appreciate for your answer :) -- Den ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-12-17 9:33 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2014-12-17 8:54 [Question]The benefit of weight_p in __qdisc_run Dennis Chen 2014-12-17 9:20 ` Daniel Borkmann 2014-12-17 9:32 ` Dennis Chen
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