Re: [PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-23 Thread Byungchul Park
On Thu, Mar 23, 2017 at 07:08:24AM -0700, Steven Rostedt wrote: > On Thu, 23 Mar 2017 19:36:51 +0900 > Byungchul Park wrote: > > > On Thu, Mar 23, 2017 at 10:44:45AM +0100, Peter Zijlstra wrote: > > > On Thu, Mar 23, 2017 at 11:12:49AM +0900, Byungchul Park wrote: > > > > It would be better to

Re: [PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-23 Thread Steven Rostedt
On Thu, 23 Mar 2017 19:36:51 +0900 Byungchul Park wrote: > On Thu, Mar 23, 2017 at 10:44:45AM +0100, Peter Zijlstra wrote: > > On Thu, Mar 23, 2017 at 11:12:49AM +0900, Byungchul Park wrote: > > > It would be better to avoid pushing tasks to other cpu within > > > a SD_PREFER_SIBLING domain, in

Re: [PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-23 Thread Steven Rostedt
On Thu, 23 Mar 2017 18:21:23 +0900 Byungchul Park wrote: > On Thu, Mar 23, 2017 at 11:12:49AM +0900, Byungchul Park wrote: > > It would be better to avoid pushing tasks to other cpu within > > a SD_PREFER_SIBLING domain, instead, get more chances to check other > > siblings. > > +cc ghask...@n

Re: [PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-23 Thread Byungchul Park
On Thu, Mar 23, 2017 at 10:44:45AM +0100, Peter Zijlstra wrote: > On Thu, Mar 23, 2017 at 11:12:49AM +0900, Byungchul Park wrote: > > It would be better to avoid pushing tasks to other cpu within > > a SD_PREFER_SIBLING domain, instead, get more chances to check other > > siblings. > > Did you for

Re: [PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-23 Thread Peter Zijlstra
On Thu, Mar 23, 2017 at 11:12:49AM +0900, Byungchul Park wrote: > It would be better to avoid pushing tasks to other cpu within > a SD_PREFER_SIBLING domain, instead, get more chances to check other > siblings. Did you forget to post the rt equivalent to patch 1?

Re: [PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-23 Thread Byungchul Park
On Thu, Mar 23, 2017 at 11:12:49AM +0900, Byungchul Park wrote: > It would be better to avoid pushing tasks to other cpu within > a SD_PREFER_SIBLING domain, instead, get more chances to check other > siblings. +cc ghask...@novell.com +cc srost...@redhat.com > > Signed-off-by: Byungchul Park >

[PATCH v3 3/3] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq()

2017-03-22 Thread Byungchul Park
It would be better to avoid pushing tasks to other cpu within a SD_PREFER_SIBLING domain, instead, get more chances to check other siblings. Signed-off-by: Byungchul Park --- kernel/sched/rt.c | 17 + 1 file changed, 17 insertions(+) diff --git a/kernel/sched/rt.c b/kernel/sched