sched: rt-group: interface

Change the rt_ratio interface to rt_runtime_us, to match rt_period_us.
This avoids picking a granularity for the ratio.

Extend the /sys/kernel/uids/<uid>/ interface to allow setting
the group's rt_runtime.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 16 insertions, 16 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index d41ef6b4cf72..924c674b76ea 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -311,22 +311,6 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = &proc_dointvec,
         },
-        {
-                .ctl_name       = CTL_UNNUMBERED,
-                .procname       = "sched_rt_period_ms",
-                .data           = &sysctl_sched_rt_period,
-                .maxlen         = sizeof(unsigned int),
-                .mode           = 0644,
-                .proc_handler   = &proc_dointvec,
-        },
-        {
-                .ctl_name       = CTL_UNNUMBERED,
-                .procname       = "sched_rt_ratio",
-                .data           = &sysctl_sched_rt_ratio,
-                .maxlen         = sizeof(unsigned int),
-                .mode           = 0644,
-                .proc_handler   = &proc_dointvec,
-        },
 #if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP)
         {
                 .ctl_name       = CTL_UNNUMBERED,
@@ -348,6 +332,22 @@ static struct ctl_table kern_table[] = {
 #endif
         {
                 .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "sched_rt_period_us",
+                .data           = &sysctl_sched_rt_period,
+                .maxlen         = sizeof(unsigned int),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec,
+        },
+        {
+                .ctl_name       = CTL_UNNUMBERED,
+                .procname       = "sched_rt_runtime_us",
+                .data           = &sysctl_sched_rt_runtime,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec,
+        },
+        {
+                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "sched_compat_yield",
                 .data           = &sysctl_sched_compat_yield,
                 .maxlen         = sizeof(unsigned int),