diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-04-23 03:31:35 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-05-05 17:56:18 -0400 |
commit | 690229a0912ca2fef8b542fe4d8b73acfcdc6e24 (patch) | |
tree | 28be1db230f039589650f2b5d46de9e6f5722ef0 | |
parent | d7dcdc11cfa6a8860a29b09f985467b89224699d (diff) |
sched: make clock sync tunable by architecture code
make time_sync_thresh tunable to architecture code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r-- | include/linux/sched.h | 2 | ||||
-rw-r--r-- | kernel/sched.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 698b5a4d25a..54c9ca26b7d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h | |||
@@ -158,6 +158,8 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) | |||
158 | } | 158 | } |
159 | #endif | 159 | #endif |
160 | 160 | ||
161 | extern unsigned long long time_sync_thresh; | ||
162 | |||
161 | /* | 163 | /* |
162 | * Task state bitmask. NOTE! These bits are also | 164 | * Task state bitmask. NOTE! These bits are also |
163 | * encoded in fs/proc/array.c: get_task_state(). | 165 | * encoded in fs/proc/array.c: get_task_state(). |
diff --git a/kernel/sched.c b/kernel/sched.c index 3ac3d7af04a..8f433fedfcb 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -899,7 +899,7 @@ static inline u64 global_rt_runtime(void) | |||
899 | return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC; | 899 | return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC; |
900 | } | 900 | } |
901 | 901 | ||
902 | static const unsigned long long time_sync_thresh = 100000; | 902 | unsigned long long time_sync_thresh = 100000; |
903 | 903 | ||
904 | static DEFINE_PER_CPU(unsigned long long, time_offset); | 904 | static DEFINE_PER_CPU(unsigned long long, time_offset); |
905 | static DEFINE_PER_CPU(unsigned long long, prev_cpu_time); | 905 | static DEFINE_PER_CPU(unsigned long long, prev_cpu_time); |