[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: bandwidth limit and guarantee for DomUs
You reimplemented this: http://xenbits.xensource.com/xen-unstable.hg?rev/dadadf9aeee7 ? This patch is for outbound (from domU) traffic only. For inbound (from domU), you can use tc on vifx.y. Zhigang On 05/22/2010 02:38 PM, Kuriakose Mathew wrote: > Will the CPU scheduler algo for providing weights work in case of > bandwidth weights? > Or any other better suggestions in this direction. > > Thanks in advance > Mathew > > > On Fri, May 21, 2010 at 8:04 PM, Kuriakose Mathew <kmathew123@xxxxxxxxx > <mailto:kmathew123@xxxxxxxxx>> wrote: > > Hi, > > I have done a small code modification so that the bandwidth limit of > each domU can be limited. > > The implementation goes like this > > In the file linux-2.6-xen-sparse/drivers/xen/netback/netback.c > In the function, net_tx_action > netif->remaining_credit and netif->credit_usec values are assigned > such that in credit_usec seconds the domain can send > remaining_credit bytes. > > Now I want to implement something like providing guarantees to > domains. That is whatever be the bandwidth utilization of say DomU2 > DomU1 should be able to deliver at minimum rate similar to setting > cpu cap and weights. > > Can someone point me to some algorithm or reference in this direction > > Thanks in advance > Mathew > > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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