In prior -rt verisons the last_tick value was called wall_jiffies
and was initialized in this same way as below. If this value isn't
initialized the calc_load function gets skewed for several minutes
right after boot up. Skewed meaning always zero.
Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>
---
kernel/timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.22/kernel/timer.c
===================================================================
--- linux-2.6.22.orig/kernel/timer.c
+++ linux-2.6.22/kernel/timer.c
@@ -987,7 +987,7 @@ void run_local_timers(void)
*/
static inline void update_times(void)
{
- static unsigned long last_tick;
+ static unsigned long last_tick = INITIAL_JIFFIES;
unsigned long ticks, flags;
/*
--
-
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