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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-04-19 19:44:57 +0200
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:44:57 +0200
commitd0b27fa77854b149ad4af08b0fe47fe712a47ade (patch)
tree2f4487c108a5132e8d52456567b4a67e78fbb4a6 /include
parent57d3da2911787a101a384532f4519f9640bae883 (diff)
downloadop-kernel-dev-d0b27fa77854b149ad4af08b0fe47fe712a47ade.zip
op-kernel-dev-d0b27fa77854b149ad4af08b0fe47fe712a47ade.tar.gz
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.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 15f05ff..be5d317 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
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