Re: [LKP] [x86_64,entry] f04e05b81e4: -62.7% time.user_time

2014-11-10 Thread Andy Lutomirski
On Thu, Nov 6, 2014 at 10:40 PM, Yuanhan Liu wrote: > On Thu, Nov 06, 2014 at 10:26:23PM -0800, Andy Lutomirski wrote: >> On Thu, Nov 6, 2014 at 10:00 PM, LKP wrote: >> > FYI, we noticed the below changes on >> > >> > git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/entry >> > com

Re: [LKP] [x86_64,entry] f04e05b81e4: -62.7% time.user_time

2014-11-06 Thread Andy Lutomirski
On Thu, Nov 6, 2014 at 10:00 PM, LKP wrote: > FYI, we noticed the below changes on > > git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/entry > commit f04e05b81e4d9ae88bee379f12176f551a24394a ("x86_64,entry: Use sysret to > return to userspace when possible") > > > f2ee9bebb99dd4a