Re: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-21 Thread H. Peter Anvin
On 05/21/2014 06:54 PM, Fengguang Wu wrote: >>> >>> test case: nhm4/will-it-scale/sched_yield >>> >>> 3d7ee969bffcc98 cfda7bb9ecbf9d96264bb5bad >>> --- - >>> 5497021 ~ 0% +14.7%6303424 ~ 0% TOTAL >>> will-it-scale.per_thread_ops >>>0.54 ~

Re: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-21 Thread Fengguang Wu
Hi Andy, On Wed, May 21, 2014 at 03:46:58PM -0700, Andy Lutomirski wrote: > On Mon, May 19, 2014 at 10:59 PM, Jet Chen wrote: > > Hi Andy, > > > > FYI, we noticed the below changes on > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso > > commit

Re: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-21 Thread Andy Lutomirski
On Mon, May 19, 2014 at 10:59 PM, Jet Chen wrote: > Hi Andy, > > FYI, we noticed the below changes on > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso > commit cfda7bb9ecbf9d96264bb5bade33a842966d1062 ("x86, vdso: Move syscall > and sysenter setup into kernel/cpu/common.c")

Re: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-21 Thread Andy Lutomirski
On Mon, May 19, 2014 at 10:59 PM, Jet Chen jet.c...@intel.com wrote: Hi Andy, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso commit cfda7bb9ecbf9d96264bb5bade33a842966d1062 (x86, vdso: Move syscall and sysenter setup into

Re: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-21 Thread Fengguang Wu
Hi Andy, On Wed, May 21, 2014 at 03:46:58PM -0700, Andy Lutomirski wrote: On Mon, May 19, 2014 at 10:59 PM, Jet Chen jet.c...@intel.com wrote: Hi Andy, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso commit

Re: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-21 Thread H. Peter Anvin
On 05/21/2014 06:54 PM, Fengguang Wu wrote: test case: nhm4/will-it-scale/sched_yield 3d7ee969bffcc98 cfda7bb9ecbf9d96264bb5bad --- - 5497021 ~ 0% +14.7%6303424 ~ 0% TOTAL will-it-scale.per_thread_ops 0.54 ~ 0% +5.6% 0.57

[x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-20 Thread Jet Chen
Hi Andy, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso commit cfda7bb9ecbf9d96264bb5bade33a842966d1062 ("x86, vdso: Move syscall and sysenter setup into kernel/cpu/common.c") test case: nhm4/will-it-scale/sched_yield 3d7ee969bffcc98

[x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops

2014-05-20 Thread Jet Chen
Hi Andy, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso commit cfda7bb9ecbf9d96264bb5bade33a842966d1062 (x86, vdso: Move syscall and sysenter setup into kernel/cpu/common.c) test case: nhm4/will-it-scale/sched_yield 3d7ee969bffcc98