From b8efb56172bc55082b8490778b07ef73eea0b551 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 15 Oct 2007 17:00:10 +0200 Subject: sched debug: BKL usage statistics add per task and per rq BKL usage statistics. Signed-off-by: Ingo Molnar Signed-off-by: Peter Zijlstra Reviewed-by: Thomas Gleixner --- kernel/sched_debug.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'kernel/sched_debug.c') diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index 57ee9d5630a..823b63a3a3e 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -136,6 +136,8 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) SPLIT_NS(spread0)); SEQ_printf(m, " .%-30s: %ld\n", "nr_running", cfs_rq->nr_running); SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); + SEQ_printf(m, " .%-30s: %ld\n", "bkl_cnt", + rq->bkl_cnt); } static void print_cpu(struct seq_file *m, int cpu) @@ -323,6 +325,7 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m) PN(se.exec_max); PN(se.slice_max); PN(se.wait_max); + P(sched_info.bkl_cnt); #endif SEQ_printf(m, "%-25s:%20Ld\n", "nr_switches", (long long)(p->nvcsw + p->nivcsw)); @@ -350,6 +353,7 @@ void proc_sched_set_task(struct task_struct *p) p->se.exec_max = 0; p->se.slice_max = 0; p->se.wait_max = 0; + p->sched_info.bkl_cnt = 0; #endif p->se.sum_exec_runtime = 0; p->se.prev_sum_exec_runtime = 0; -- cgit v1.2.3