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| author |   Peter Zijlstra <a.p.zijlstra@chello.nl> | 2008-04-19 19:44:57 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-04-19 19:44:57 +0200 |
| commit | d0b27fa77854b149ad4af08b0fe47fe712a47ade (patch) | |
| tree | 2f4487c108a5132e8d52456567b4a67e78fbb4a6 /include | |
| parent | time: add ns_to_ktime() (diff) | |
| download | linux-dev-d0b27fa77854b149ad4af08b0fe47fe712a47ade.tar.xz linux-dev-d0b27fa77854b149ad4af08b0fe47fe712a47ade.zip | |
sched: rt-group: synchonised bandwidth period
Various SMP balancing algorithms require that the bandwidth period
run in sync.
Possible improvements are moving the rt_bandwidth thing into root_domain
and keeping a span per rt_bandwidth which marks throttled cpus.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 15f05ff453d8..be5d31752dbd 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1563,6 +1563,10 @@ int sched_nr_latency_handler(struct ctl_table *table, int write, extern unsigned int sysctl_sched_rt_period; extern int sysctl_sched_rt_runtime; +int sched_rt_handler(struct ctl_table *table, int write, + struct file *filp, void __user *buffer, size_t *lenp, + loff_t *ppos); + extern unsigned int sysctl_sched_compat_yield; #ifdef CONFIG_RT_MUTEXES @@ -2052,6 +2056,9 @@ extern unsigned long sched_group_shares(struct task_group *tg); extern int sched_group_set_rt_runtime(struct task_group *tg, long rt_runtime_us); extern long sched_group_rt_runtime(struct task_group *tg); +extern int sched_group_set_rt_period(struct task_group *tg, + long rt_period_us); +extern long sched_group_rt_period(struct task_group *tg); #endif #endif |