Messages in this thread Patch in this message |  | | | Date | Tue, 18 Dec 2007 18:41:21 +0100 | | From | Peter Zijlstra <> | | Subject | [PATCH 1/3] sched: rt: account the cpu time during the tick | |
Realtime tasks would not account their runtime during ticks. Which would lead
to:
struct sched_param param = { .sched_priority = 10 };
pthread_setschedparam(pthread_self(), SCHED_FIFO, ¶m);
while (1) ;
Not showing up in top.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/sched_rt.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6/kernel/sched_rt.c
===================================================================
--- linux-2.6.orig/kernel/sched_rt.c
+++ linux-2.6/kernel/sched_rt.c
@@ -837,6 +837,8 @@ static void prio_changed_rt(struct rq *r
static void task_tick_rt(struct rq *rq, struct task_struct *p)
{
+ update_curr_rt(rq);
+
/*
* RR tasks need a special form of timeslice management.
* FIFO tasks have no timeslices.
--
|  |