Messages in this thread | | | From | Dietmar Eggemann <> | Subject | [PATCH 0/5] sched/deadline: Fix double accounting in push_dl_task() & some cleanups | Date | Fri, 26 Jul 2019 09:27:51 +0100 |
| |
While running a simple DL workload (1 DL (12000, 100000, 100000) task per CPU) on Arm64 & x86 systems I noticed that some of the SCHED_WARN_ON() in the rq/running bandwidth (bw) functions trigger. Patch 1/5 contains a proposal to fix this.
Patch 2-5/5 contain various smaller cleanups I discovered while debugging the actual issue.
Dietmar Eggemann (5): sched/deadline: Fix double accounting of rq/running bw in push_dl_task() sched/deadline: Remove unused int flags from __dequeue_task_dl() sched/deadline: Use __sub_running_bw() throughout dl_change_utilization() sched/deadline: Cleanup on_dl_rq() handling sched/deadline: Use return value of SCHED_WARN_ON() in bw accounting
kernel/sched/deadline.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-)
-- 2.17.1
| |