Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Mike Galbraith
On Thu, 2016-06-02 at 08:28 +0800, Huang, Ying wrote: > If this report annoyed you, I am sorry about that. We just want to be > helpful via providing some information. Now I know hackbench is > sensitive to load_avg changes, thanks a lot for the information. No no, I meant the other way around

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Huang, Ying
Mike Galbraith writes: > On Wed, 2016-06-01 at 16:53 +0800, Huang, Ying wrote: > >> You mean the commit is a functionality fix? > > Yup. > > These kind of things can be a bit annoying. The fix to not subtract > load that we never added in the first place also pushed hackbench > around a bit. Do

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Mike Galbraith
On Wed, 2016-06-01 at 16:53 +0800, Huang, Ying wrote: > You mean the commit is a functionality fix? Yup. These kind of things can be a bit annoying. The fix to not subtract load that we never added in the first place also pushed hackbench around a bit. Do anything at all with load_avg, you're

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Huang, Ying
Peter Zijlstra writes: > On Wed, Jun 01, 2016 at 01:00:10PM +0800, Huang, Ying wrote: >> Hi, Peter, >> >> Peter Zijlstra writes: >> >> > On Tue, May 31, 2016 at 04:34:36PM +0800, Huang, Ying wrote: >> >> Hi, Ingo, >> >> >> >> Part of the regression has been recovered in v4.7-rc1 from -32.9% t

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Peter Zijlstra
On Wed, Jun 01, 2016 at 01:00:10PM +0800, Huang, Ying wrote: > Hi, Peter, > > Peter Zijlstra writes: > > > On Tue, May 31, 2016 at 04:34:36PM +0800, Huang, Ying wrote: > >> Hi, Ingo, > >> > >> Part of the regression has been recovered in v4.7-rc1 from -32.9% to > >> -9.8%. But there is still s

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-05-31 Thread Huang, Ying
Hi, Peter, Peter Zijlstra writes: > On Tue, May 31, 2016 at 04:34:36PM +0800, Huang, Ying wrote: >> Hi, Ingo, >> >> Part of the regression has been recovered in v4.7-rc1 from -32.9% to >> -9.8%. But there is still some regression. Is it possible for fully >> restore it? > > after much searchi

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-05-31 Thread Peter Zijlstra
On Tue, May 31, 2016 at 04:34:36PM +0800, Huang, Ying wrote: > Hi, Ingo, > > Part of the regression has been recovered in v4.7-rc1 from -32.9% to > -9.8%. But there is still some regression. Is it possible for fully > restore it? after much searching on how you guys run hackbench... I figured s

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-05-31 Thread Huang, Ying
Hi, Ingo, Part of the regression has been recovered in v4.7-rc1 from -32.9% to -9.8%. But there is still some regression. Is it possible for fully restore it? Details are as below. Best Regards, Huang, Ying =