github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-31 03:27:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

sched/walt/walt_cfs: Improve the scheduler

Browse Source 
This change is for general scheduler improvemnts.

Change-Id: Iae112690c5cf125db5d197555d47244a63bfb32e
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
This commit is contained in:
Satya Durga Srinivasu Prabhala 2021-08-09 19:11:38 -07:00 committed by Rishabh Bhatnagar
parent 04859b6838
commit a907a3cd42
2 changed files with 15 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/sched/walt/walt.h
View File

@ -883,6 +883,7 @@ static inline bool walt_fair_task(struct task_struct *p)
#define WALT_RTG_MVP 0
#define WALT_BINDER_MVP 1
#define WALT_TASK_BOOST_MVP 2
#define WALT_NOT_MVP -1

27
kernel/sched/walt/walt_cfs.c
View File

@ -961,14 +961,15 @@ static void binder_restore_priority_hook(void *data,
*/
static inline int walt_get_mvp_task_prio(struct task_struct *p)
{
if ((per_task_boost(p) == TASK_BOOST_STRICT_MAX) ||
task_rtg_high_prio(p) ||
walt_procfs_low_latency_task(p))
return WALT_RTG_MVP;
if (per_task_boost(p) == TASK_BOOST_STRICT_MAX)
return WALT_TASK_BOOST_MVP;
if (walt_binder_low_latency_task(p))
return WALT_BINDER_MVP;
if (task_rtg_high_prio(p) || walt_procfs_low_latency_task(p))
return WALT_RTG_MVP;
return WALT_NOT_MVP;
}
@ -1010,15 +1011,6 @@ static void walt_cfs_deactivate_mvp_task(struct task_struct *p)
list_del_init(&wts->mvp_list);
wts->mvp_prio = WALT_NOT_MVP;
/*
* Reset the exec time during sleep so that it starts
* from scratch upon next wakeup. total_exec should
* be preserved when task is enq/deq while it is on
* runqueue.
*/
if (p->state != TASK_RUNNING)
wts->total_exec = 0;
}
/*
@ -1114,6 +1106,15 @@ void walt_cfs_dequeue_task(struct rq *rq, struct task_struct *p)
if (!list_empty(&wts->mvp_list))
walt_cfs_deactivate_mvp_task(p);
/*
* Reset the exec time during sleep so that it starts
* from scratch upon next wakeup. total_exec should
* be preserved when task is enq/deq while it is on
* runqueue.
*/
if (p->state != TASK_RUNNING)
wts->total_exec = 0;
}
void walt_cfs_tick(struct rq *rq)