Additional parameters introduced to perform this function which are
calculated using PJT's metrics and its helpers.
Signed-off-by: Preeti U Murthy <pre...@linux.vnet.ibm.com>
---
kernel/sched/fair.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c64be1c1..15ec528 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3230,16 +3230,18 @@ find_idlest_group(struct sched_domain *sd, struct
task_struct *p,
static int
find_idlest_cpu(struct sched_group *group, struct task_struct *p, int this_cpu)
{
- unsigned long load, min_load = ULONG_MAX;
+ unsigned long load;
+ u64 cpu_load, min_cpu_load = ~0ULL;
int idlest = -1;
int i;
/* Traverse only the allowed CPUs */
for_each_cpu_and(i, sched_group_cpus(group), tsk_cpus_allowed(p)) {
load = weighted_cpuload(i);
+ cpu_load = cpu_rq(i)->cfs.runnable_load_avg;
- if (load < min_load || (load == min_load && i == this_cpu)) {
- min_load = load;
+ if (cpu_load < min_cpu_load || (cpu_load == min_cpu_load && i
== this_cpu)) {
+ min_cpu_load = cpu_load;
idlest = i;
}
}
--
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