sched: Extend sched_group_energy to test load-balancing decisions
authorMorten Rasmussen <morten.rasmussen@arm.com>
Fri, 2 Jan 2015 14:21:56 +0000 (14:21 +0000)
committerPunit Agrawal <punit.agrawal@arm.com>
Mon, 21 Mar 2016 12:34:30 +0000 (12:34 +0000)
commit4a535730fb7c9afad6b0bbc96dc8dc3d1f6ae0ed
treef0740d557473d5ac4b5e716753b9665287b5a18f
parent7a31b5cce774cd17698b5062061c5a2522e1bdd7
sched: Extend sched_group_energy to test load-balancing decisions

Extended sched_group_energy() to support energy prediction with usage
(tasks) added/removed from a specific cpu or migrated between a pair of
cpus. Useful for load-balancing decision making.

cc: Ingo Molnar <mingo@redhat.com>
cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>
kernel/sched/fair.c