Hello, Vincent. On Fri, May 05, 2017 at 10:46:53AM +0200, Vincent Guittot wrote: > schbench results looks better with this version > Latency percentiles (usec) > 50.0000th: 212 > 75.0000th: 292 > 90.0000th: 385 > 95.0000th: 439 > *99.0000th: 671 > 99.5000th: 7992 > 99.9000th: 12176 > min=0, max=14855 > > p99 is back to a normal value but p99.5 stays higher than mainline
By how much and is that with the weight adjustment on the cgroup? I can't get reliable numbers on p99.5 and beyond on my test setup. I ordered the hikey board and will try to replicate your setup once it arrives. > I have also checked load_avg and runnable_load_avg value and there is > something incorrect. I will provide details on the related patch Sure, will respond there. Thanks. -- tejun
