On 6/12/19 10:46 PM, Paolo Valente wrote: > >> Il giorno 12 giu 2019, alle ore 00:34, Srivatsa S. Bhat <srivatsa@xxxxxxxxxxxxx> ha scritto: >> [...] >> >> Hi Paolo, >> > > Hi > >> Hope you are doing great! >> > > Sort of, thanks :) > >> I was wondering if you got a chance to post these patches to LKML for >> review and inclusion... (No hurry, of course!) >> > > > I'm having troubles testing these new patches on 5.2-rc4. As it > happened with the first release candidates for 5.1, the CPU of my test > machine (Intel Core i7-2760QM@2.40GHz) is so slowed down that results > are heavily distorted with every I/O scheduler. > Oh, that's unfortunate! > Unfortunately, I'm not competent enough to spot the cause of this > regression in a feasible amount of time. I hope it'll go away with > next release candidates, or I'll test on 5.1. > Sounds good to me! >> Also, since your fixes address the performance issues in BFQ, do you >> have any thoughts on whether they can be adapted to CFQ as well, to >> benefit the older stable kernels that still support CFQ? >> > > I have implanted my fixes on the existing throughput-boosting > infrastructure of BFQ. CFQ doesn't have such an infrastructure. > > If you need I/O control with older kernels, you may want to check my > version of BFQ for legacy block, named bfq-sq and available in this > repo: > https://github.com/Algodev-github/bfq-mq/ > Great! Thank you for sharing this! > I'm willing to provide you with any information or help if needed. > Thank you! Regards, Srivatsa VMware Photon OS
