sched: SCHED_HMP multi-domain task migration control
We need a way to prevent tasks that are migrating up and down the
hmp_domains from migrating straight on through before the load has
adapted to the new compute capacity of the CPU on the new hmp_domain.
This patch adds a next up/down migration delay that prevents the task
from doing another migration in the same direction until the delay
has expired.
Signed-off-by: Morten Rasmussen <Morten.Rasmussen@arm.com>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cfb9a2e..5e90359 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -938,6 +938,10 @@
s64 decay_count;
unsigned long load_avg_contrib;
unsigned long load_avg_ratio;
+#ifdef CONFIG_SCHED_HMP
+ u64 hmp_last_up_migration;
+ u64 hmp_last_down_migration;
+#endif
u32 usage_avg_sum;
};