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sched: make clock sync tunable by architecture code

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make time_sync_thresh tunable to architecture code.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-04-23 09:31:35 +02:00
parent d7dcdc11cf
commit 690229a091
2 changed files with 3 additions and 1 deletions
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2
include/linux/sched.h
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@ -158,6 +158,8 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
}
#endif
extern unsigned long long time_sync_thresh;
/*
* Task state bitmask. NOTE! These bits are also
* encoded in fs/proc/array.c: get_task_state().

2
kernel/sched.c
View File

@ -899,7 +899,7 @@ static inline u64 global_rt_runtime(void)
return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC;
}
static const unsigned long long time_sync_thresh = 100000;
unsigned long long time_sync_thresh = 100000;
static DEFINE_PER_CPU(unsigned long long, time_offset);
static DEFINE_PER_CPU(unsigned long long, prev_cpu_time);