From 0b5a8a6f30fe0eb7919294c58ddedaeab069ce2a Mon Sep 17 00:00:00 2001 From: Diwakar Tundlam Date: Mon, 7 May 2012 15:12:25 -0700 Subject: scheduler: compute time-average nr_running per run-queue Compute the time-average number of running tasks per run-queue for a trailing window of a fixed time period. The detla add/sub to the average value is weighted by the amount of time per nr_running value relative to the total measurement period. Change-Id: I076e24ff4ed65bed3b8dd8d2b279a503318071ff Signed-off-by: Diwakar Tundlam (cherry picked from commit 3a12d7499cee352e8a46eaf700259ba3c733f0e3) Reviewed-on: http://git-master/r/111635 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Sai Gurrappadi Tested-by: Sai Gurrappadi Reviewed-by: Peter Boonstoppel Reviewed-by: Yu-Huan Hsu --- kernel/sched_debug.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'kernel/sched_debug.c') diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index a6710a112b4f..6371af0e4612 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -264,6 +264,9 @@ static void print_cpu(struct seq_file *m, int cpu) SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) P(nr_running); + SEQ_printf(m, " .%-30s: %d.%03d \n", "ave_nr_running", + rq->ave_nr_running / FIXED_1, + ((rq->ave_nr_running % FIXED_1) * 1000) / FIXED_1); SEQ_printf(m, " .%-30s: %lu\n", "load", rq->load.weight); P(nr_switches); -- cgit v1.2.3