Re: [PATCH 3/7] sched/deadline: reduce rq lock contention by eliminating locking of non-feasible target

2015-04-07 Thread Juri Lelli
Hi, On 06/04/2015 09:53, Wanpeng Li wrote: This patch adds check that prevents futile attempts to move dl tasks to a CPU with active tasks of equal or earlier deadline. The same behavior as commit 80e3d87b2c55 (sched/rt: Reduce rq lock contention by eliminating locking of non-feasible target)

Re: [PATCH 3/7] sched/deadline: reduce rq lock contention by eliminating locking of non-feasible target

2015-04-07 Thread Wanpeng Li
Hi Juri, On Tue, Apr 07, 2015 at 02:48:12PM +0100, Juri Lelli wrote: Hi, On 06/04/2015 09:53, Wanpeng Li wrote: This patch adds check that prevents futile attempts to move dl tasks to a CPU with active tasks of equal or earlier deadline. The same behavior as commit 80e3d87b2c55 (sched/rt:

[PATCH 3/7] sched/deadline: reduce rq lock contention by eliminating locking of non-feasible target

2015-04-06 Thread Wanpeng Li
This patch adds check that prevents futile attempts to move dl tasks to a CPU with active tasks of equal or earlier deadline. The same behavior as commit 80e3d87b2c55 (sched/rt: Reduce rq lock contention by eliminating locking of non-feasible target) for rt class. Signed-off-by: Wanpeng Li