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[BUG] sched: don't leave 3 lasts tasks unprocessed when niced tasks are present

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When there are niced tasks, we would only process #tasks/4 per
turn, without taking care of running #tasks when #tasks was below
4, leaving those tasks waiting for a few other tasks to push them.

The fix simply consists in checking (#tasks+3)/4.
This commit is contained in:
Willy Tarreau 2009-03-21 11:53:09 +01:00
parent e35c94a748
commit 218859ad6c
1 changed files with 1 additions and 1 deletions
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2
src/task.c
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@ -182,7 +182,7 @@ void process_runnable_tasks(int *next)
max_processed = 200; max_processed = 200;
if (likely(niced_tasks)) if (likely(niced_tasks))
max_processed /= 4; max_processed = (max_processed + 3) / 4;
expire = *next; expire = *next;
eb = eb32_lookup_ge(&rqueue, rqueue_ticks - TIMER_LOOK_BACK); eb = eb32_lookup_ge(&rqueue, rqueue_ticks - TIMER_LOOK_BACK);