diff options
| author | Todd Kjos <tkjos@google.com> | 2016-03-11 16:44:16 -0800 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2016-09-14 14:59:32 +0530 |
| commit | b312c991e9055198e96571feaf73df26e647df56 (patch) | |
| tree | 9d9b0227cf9272781c53fb741452b8b961067c47 /kernel/sysctl.c | |
| parent | d42fb8f959562bc34f7f2b17ca1e370f93a306a9 (diff) | |
sched/fair: add tunable to set initial task load
The choice of initial task load upon fork has a large influence
on CPU and OPP selection when scheduler-driven DVFS is in use.
Make this tuneable by adding a new sysctl "sched_initial_task_util".
If the sched governor is not used, the default remains at SCHED_LOAD_SCALE
Otherwise, the value from the sysctl is used. This defaults to 0.
Signed-off-by: "Todd Kjos <tkjos@google.com>"
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 831d674a5566..dd46f370b73a 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -319,6 +319,13 @@ static struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, { + .procname = "sched_initial_task_util", + .data = &sysctl_sched_initial_task_util, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { .procname = "sched_cstate_aware", .data = &sysctl_sched_cstate_aware, .maxlen = sizeof(unsigned int), |