On Fri, Jun 17, 2016 at 6:32 PM, Dario Faggioli <dario.faggi...@citrix.com> wrote: > Hi everyone, > > Here you go a collection of pseudo-random fixes and improvement to Credit2. > > In the process of working on Soft Affinity and Caps support, I stumbled upon > them, one after the other, and decided to take care. > > It's been hard to test and run benchmark, due to the "time goes backwards" bug > I uncovered [1], and this is at least part of the reason why the code for > affinity and caps is still missing. I've got it already, but need to refine a > couple of things, after double checking benchmark results. So, now that we > have > Jan's series [2] (thanks! [*]), and that I managed to indeed run some tests on > this preliminary set of patches, I decided I better set this first group free, > while working on finishing the rest. > > The various patches do a wide range of different things, so, please, refer to > Dario Faggioli (19):
I've pushed the following patches: > xen: sched: make the 'tickled' perf counter clearer > xen: credit2: insert and tickle don't need a cpu parameter > xen: credit2: kill useless helper function choose_cpu > xen: credit2: do not warn if calling burn_credits more than once > xen: credit2: when tickling, check idle cpus first > xen: credit2: avoid calling __update_svc_load() multiple times on the > same vcpu > xen: credit2: use non-atomic cpumask and bit operations The ones below either have outstanding comments, or don't apply without patches which haven't been applied. > xen: sched: leave CPUs doing tasklet work alone. > xen: credit2: read NOW() with the proper runq lock held > xen: credit2: prevent load balancing to go mad if time goes backwards > xen: credit2: rework load tracking logic > tools: tracing: adapt Credit2 load tracking events to new format > xen: credit2: make the code less experimental > xen: credit2: add yet some more tracing > xen: credit2: only marshall trace point arguments if tracing enabled > tools: tracing: deal with new Credit2 events > xen: credit2: the private scheduler lock can be an rwlock. > xen: credit2: implement SMT support independent runq arrangement > xen: credit2: use cpumask_first instead of cpumask_any when choosing cpu -George _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
