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| author | Alexey Dobriyan <adobriyan@openvz.org> | 2007-02-10 01:45:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 10:51:28 -0800 |
| commit | b035b6de24932ffd4a2b1c6619a2f5711da6920f (patch) | |
| tree | 76f43316bf4788c510a1f271064b67ef8e584035 /kernel | |
| parent | 5e07e1ccb0c0f25dd748ebe2ef83008c2229bf1c (diff) | |
| download | linux-b035b6de24932ffd4a2b1c6619a2f5711da6920f.tar.bz2 | |
[PATCH] Consolidate default sched_clock()
Use attribute(weak).
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index cca93cc0dd7d..1cd4ee769e20 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -57,6 +57,16 @@ #include <asm/unistd.h> /* + * Scheduler clock - returns current time in nanosec units. + * This is default implementation. + * Architectures and sub-architectures can override this. + */ +unsigned long long __attribute__((weak)) sched_clock(void) +{ + return (unsigned long long)jiffies * (1000000000 / HZ); +} + +/* * Convert user-nice values [ -20 ... 0 ... 19 ] * to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ], * and back. |