lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

sched: rt-group: synchonised bandwidth period

Browse Source 
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>
This commit is contained in:
Peter Zijlstra
2008-04-19 19:44:57 +02:00
committed by Ingo Molnar
parent 57d3da2911
commit d0b27fa778
6 changed files with 320 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/sched.h
View File

@ -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