On Fri, Oct 02, 2015 at 02:00:33PM -0700, Andrew Morton wrote: > On Fri, 2 Oct 2015 23:46:59 +0300 Alexey Dobriyan <adobri...@gmail.com> wrote: > > > FYI, I've upgraded from 4.1.7 to 4.2.1 (and retested with 4.2.2) and > > everything is scheduled on 1 CPU out of 4 (i5 760). > > > > $ sudo cat /proc/1/status | grep cpu -i > > Cpus_allowed: 1 > > Cpus_allowed_list: 0 > > > > Every process inherits this tiny cpumask. > > Sell the other CPUs on ebay? > > I haven't seen such a report before - maybe it rings a bell with Peter > & Ingo?
I think this is related to some NO_HZ_FULL quackery. People seem to have enabled stuff they've really no sane reason for. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
