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sched/walt: Improve the scheduler

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This change is for general scheduler improvement.

Change-Id: I5fbadf248c0bfe27bc761686de7a925cec2e4163
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
Signed-off-by: Sai Harshini Nimmala <snimmala@codeaurora.org>
[satyap@codeaurora.org: port to 5.4 and fix trivial merge conflicts]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
This commit is contained in:
Lingutla Chandrasekhar 2019-12-04 14:04:20 +05:30 • committed by Satya Durga Srinivasu Prabhala
commit 609fb2b366
2 changed files with 12 additions and 1 deletions
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1
include/linux/sched/sysctl.h
View file

@ -52,6 +52,7 @@ extern unsigned int __weak sysctl_sched_coloc_busy_hyst_max_ms;
extern unsigned int __weak sysctl_sched_window_stats_policy;
extern unsigned int __weak sysctl_sched_ravg_window_nr_ticks;
extern unsigned int __weak sysctl_sched_many_wakeup_threshold;
extern unsigned int __weak sysctl_sched_dynamic_ravg_window_enable;
extern int __weak
walt_proc_group_thresholds_handler(struct ctl_table *table, int write,

12
kernel/sysctl.c
View file

@ -532,6 +532,15 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = sched_ravg_window_handler,
},
{
.procname = "sched_dynamic_ravg_window_enable",
.data = &sysctl_sched_dynamic_ravg_window_enable,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
{
.procname = "sched_upmigrate",
.data = &sysctl_sched_capacity_margin_up,
@ -3614,7 +3623,8 @@ static int do_proc_douintvec_rwin(bool *negp, unsigned long *lvalp,
int *valp, int write, void *data)
{
if (write) {
if (*lvalp == 0 || *lvalp == 2 || *lvalp == 5)
if (*lvalp == 2 || *lvalp == 3 || *lvalp == 4 || *lvalp == 5 ||
*lvalp == 8)
*valp = *lvalp;
else
return -EINVAL;