Hi,
I found that PI boosted SCHED_OTHER tasks behave like they have
SCHED_FIFO policy, while PI boosted SCHED_RR tasks continue to
behave like they have SCHED_RR policy. This didn't seem right
Does something like the following patch make sense?
-Dinakar
Index: linux-2.6.14/kernel/sched.c
===================================================================
--- linux-2.6.14.orig/kernel/sched.c 2005-11-25 01:24:06.000000000 +0530
+++ linux-2.6.14/kernel/sched.c 2005-11-25 01:24:26.000000000 +0530
@@ -2986,8 +2986,9 @@
* On PREEMPT_RT, boosted tasks will also get into this
* branch and wont get their timeslice decreased until
* they have done their work.
+ * Boosted SCHED_OTHER tasks round-robin as well
*/
- if ((p->policy == SCHED_RR) && !--p->time_slice) {
+ if ((p->policy != SCHED_FIFO) && !--p->time_slice) {
p->time_slice = task_timeslice(p);
p->first_time_slice = 0;
set_tsk_need_resched(p);
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
