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-rw-r--r--kernel/sched_clock.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 22ed55d1167f..5a2dc7d8fd98 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -32,6 +32,15 @@
32#include <linux/ktime.h> 32#include <linux/ktime.h>
33#include <linux/module.h> 33#include <linux/module.h>
34 34
35/*
36 * Scheduler clock - returns current time in nanosec units.
37 * This is default implementation.
38 * Architectures and sub-architectures can override this.
39 */
40unsigned long long __attribute__((weak)) sched_clock(void)
41{
42 return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ);
43}
35 44
36#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK 45#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
37 46
@@ -321,16 +330,6 @@ EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event);
321 330
322#endif 331#endif
323 332
324/*
325 * Scheduler clock - returns current time in nanosec units.
326 * This is default implementation.
327 * Architectures and sub-architectures can override this.
328 */
329unsigned long long __attribute__((weak)) sched_clock(void)
330{
331 return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ);
332}
333
334unsigned long long cpu_clock(int cpu) 333unsigned long long cpu_clock(int cpu)
335{ 334{
336 unsigned long long clock; 335 unsigned long long clock;