From d1f39c38df5aee6df6661bcae2c2ca9f79428a8f Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Mon, 19 Nov 2018 00:50:35 +0100 Subject: Make scheduling more reactive Give smaller quantums to processes, to get more frequent context switches. This fixes some reactivity for concurrent processes. * kern/sched.h (MIN_QUANTUM): Define to hz / 33. * kern/sched_prim.c (sched_init): Use MIN_QUANTUM instead of hz / 10. --- kern/sched_prim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kern/sched_prim.c') diff --git a/kern/sched_prim.c b/kern/sched_prim.c index 3834171d..423c6c0e 100644 --- a/kern/sched_prim.c +++ b/kern/sched_prim.c @@ -153,7 +153,7 @@ void sched_init(void) recompute_priorities_timer.fcn = recompute_priorities; recompute_priorities_timer.param = NULL; - min_quantum = hz / 10; /* context switch 10 times/second */ + min_quantum = MIN_QUANTUM; wait_queue_init(); pset_sys_bootstrap(); /* initialize processor mgmt. */ queue_init(&action_queue); -- cgit v1.2.3