Re: [RFC PATCH v2 2/8] cpuidle: record the overhead of idle entry

2017-10-17 Thread Li, Aubrey
On 2017/10/17 8:05, Rafael J. Wysocki wrote: > On Monday, October 16, 2017 5:11:57 AM CEST Li, Aubrey wrote: >> On 2017/10/14 8:35, Rafael J. Wysocki wrote: >>> On Saturday, September 30, 2017 9:20:28 AM CEST Aubrey Li wrote: Record the overhead of idle entry in micro-second >>> >>> What

Re: [RFC PATCH v2 2/8] cpuidle: record the overhead of idle entry

2017-10-16 Thread Rafael J. Wysocki
On Monday, October 16, 2017 5:11:57 AM CEST Li, Aubrey wrote: > On 2017/10/14 8:35, Rafael J. Wysocki wrote: > > On Saturday, September 30, 2017 9:20:28 AM CEST Aubrey Li wrote: > >> Record the overhead of idle entry in micro-second > >> > > > > What is this needed for? > > We need to figure out

Re: [RFC PATCH v2 2/8] cpuidle: record the overhead of idle entry

2017-10-15 Thread Li, Aubrey
On 2017/10/14 8:35, Rafael J. Wysocki wrote: > On Saturday, September 30, 2017 9:20:28 AM CEST Aubrey Li wrote: >> Record the overhead of idle entry in micro-second >> > > What is this needed for? We need to figure out how long of a idle is a short idle and recording the overhead is for this purp

Re: [RFC PATCH v2 2/8] cpuidle: record the overhead of idle entry

2017-10-13 Thread Rafael J. Wysocki
On Saturday, September 30, 2017 9:20:28 AM CEST Aubrey Li wrote: > Record the overhead of idle entry in micro-second > What is this needed for? > Signed-off-by: Aubrey Li > --- > drivers/cpuidle/cpuidle.c | 33 + > include/linux/cpuidle.h | 14 ++ >

[RFC PATCH v2 2/8] cpuidle: record the overhead of idle entry

2017-09-30 Thread Aubrey Li
Record the overhead of idle entry in micro-second Signed-off-by: Aubrey Li --- drivers/cpuidle/cpuidle.c | 33 + include/linux/cpuidle.h | 14 ++ kernel/sched/idle.c | 8 +++- 3 files changed, 54 insertions(+), 1 deletion(-) diff --git a/