On Wed, May 30, 2018 at 03:08:21PM -0700, Subhra Mazumdar wrote: > I tested with FOLD+AGE+ONCE+PONIES+PONIES2 shift=0 vs baseline but see some > regression for hackbench and uperf:
I'm not seeing a hackbench regression myself, but I let it run a whole lot of stuff over-night and I do indeed see some pain points, including sysbench-mysql and some schbench results. > I have a patch which is much smaller but seems to work well so far for both > x86 and SPARC across benchmarks I have run so far. It keeps the idle cpu > search between 1 core and 2 core amount of cpus and also puts a new > sched feature of doing idle core search or not. It can be on by default but > for workloads (like Oracle DB on x86) we can turn it off. I plan to send > that after some more testing. Sure thing..