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| author |   Peter Zijlstra <a.p.zijlstra@chello.nl> | 2008-01-25 21:08:29 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-01-25 21:08:29 +0100 |
| commit | fa85ae2418e6843953107cd6a06f645752829bc0 (patch) | |
| tree | 004130ac471247a29d3f6adfbfe61c474e725779 /include/linux/sched.h | |
| parent | sched: high-res preemption tick (diff) | |
| download | linux-dev-fa85ae2418e6843953107cd6a06f645752829bc0.tar.xz linux-dev-fa85ae2418e6843953107cd6a06f645752829bc0.zip | |
sched: rt time limit
Very simple time limit on the realtime scheduling classes.
Allow the rq's realtime class to consume sched_rt_ratio of every
sched_rt_period slice. If the class exceeds this quota the fair class
will preempt the realtime class.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 43e0339d65fc..d5ea144df836 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1490,6 +1490,8 @@ extern unsigned int sysctl_sched_child_runs_first; extern unsigned int sysctl_sched_features; extern unsigned int sysctl_sched_migration_cost; extern unsigned int sysctl_sched_nr_migrate; +extern unsigned int sysctl_sched_rt_period; +extern unsigned int sysctl_sched_rt_ratio; #if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP) extern unsigned int sysctl_sched_min_bal_int_shares; extern unsigned int sysctl_sched_max_bal_int_shares; |