The following commit has been merged into the sched/urgent branch of tip:
Commit-ID: a1bd06853ee478d37fae9435c5521e301de94c67
Gitweb:
https://git.kernel.org/tip/a1bd06853ee478d37fae9435c5521e301de94c67
Author: Phil Auld <pa...@redhat.com>
AuthorDate: Wed, 05 Aug 2020 16:31:38 -04:00
Committer: Ingo Molnar <mi...@kernel.org>
CommitterDate: Thu, 06 Aug 2020 09:36:59 +02:00
sched: Fix use of count for nr_running tracepoint
The count field is meant to tell if an update to nr_running
is an add or a subtract. Make it do so by adding the missing
minus sign.
Fixes: 9d246053a691 ("sched: Add a tracepoint to track rq->nr_running")
Signed-off-by: Phil Auld <pa...@redhat.com>
Signed-off-by: Ingo Molnar <mi...@kernel.org>
Link: https://lore.kernel.org/r/20200805203138.1411-1-pa...@redhat.com
---
kernel/sched/sched.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 3fd2838..28709f6 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1999,7 +1999,7 @@ static inline void sub_nr_running(struct rq *rq, unsigned
count)
{
rq->nr_running -= count;
if (trace_sched_update_nr_running_tp_enabled()) {
- call_trace_sched_update_nr_running(rq, count);
+ call_trace_sched_update_nr_running(rq, -count);
}
/* Check if we still need preemption */
