[PATCH] rcutorture: renice to low priority

dbdf65b1 · Ingo Molnar <[email protected]> · 2005-11-13 16:07:22 -08:00

Make the box usable for interactive work when running the RCU torture test,
by renicing the RCU torture-test threads to +19 by default.  Kthreads run
at nice -5 by default.

Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Paul E. McKenney" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: dbdf65b1b7f8ec48bda1604cfea7ac09ce583d6b
Parents: 66341a90

Changes

1 files changed · +4 −0

File	Status	Add	Del	Content
kernel/rcutorture.c	modified	+4	−0	View file

kernel/rcutorture.c

View file

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 9b58f1e..eb6719c 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -195,6 +195,8 @@ rcu_torture_writer(void *arg)
 	static DEFINE_RCU_RANDOM(rand);
 
 	VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
+	set_user_nice(current, 19);
+
 	do {
 		schedule_timeout_uninterruptible(1);
 		if (rcu_batches_completed() == oldbatch)
@@ -238,6 +240,8 @@ rcu_torture_reader(void *arg)
 	int pipe_count;
 
 	VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
+	set_user_nice(current, 19);
+
 	do {
 		rcu_read_lock();
 		completed = rcu_batches_completed();