Re: [LKP] [futex] 76835b0ebf8: -8.1% will-it-scale.per_thread_ops

2015-02-26 Thread Huang Ying
Hi, Catalin, On Thu, 2015-02-26 at 09:58 +, Catalin Marinas wrote: > On Thu, Feb 26, 2015 at 05:16:53AM +, Huang Ying wrote: > > FYI, we noticed the below changes on > > > > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > commit 76835b0ebf8a7fe85beb03c75121419a

Re: [LKP] [futex] 76835b0ebf8: -8.1% will-it-scale.per_thread_ops

2015-02-26 Thread Catalin Marinas
On Thu, Feb 26, 2015 at 05:16:53AM +, Huang Ying wrote: > FYI, we noticed the below changes on > > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > commit 76835b0ebf8a7fe85beb03c75121419a7dec52f0 ("futex: Ensure > get_futex_key_refs() always implies a barrier") > >

[LKP] [futex] 76835b0ebf8: -8.1% will-it-scale.per_thread_ops

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 76835b0ebf8a7fe85beb03c75121419a7dec52f0 ("futex: Ensure get_futex_key_refs() always implies a barrier") testbox/testcase/testparams: lkp-wsx01/will-it-scale/performance-futex4 0