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Commit dbdf65b1 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
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[PATCH] rcutorture: renice to low priority 



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: default avatarIngo Molnar <mingo@elte.hu>
Acked-by: default avatarPaul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 66341a90

kernel/rcutorture.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -195,6 +195,8 @@ rcu_torture_writer(void *arg) 
	static DEFINE_RCU_RANDOM(rand);

	static DEFINE_RCU_RANDOM(rand);





	VERBOSE_PRINTK_STRING("rcu_torture_writer task started");

	VERBOSE_PRINTK_STRING("rcu_torture_writer task started");

	set_user_nice(current, 19);



	do {

	do {

		schedule_timeout_uninterruptible(1);

		schedule_timeout_uninterruptible(1);

		if (rcu_batches_completed() == oldbatch)

		if (rcu_batches_completed() == oldbatch)
@@ -238,6 +240,8 @@ rcu_torture_reader(void *arg) 
	int pipe_count;

	int pipe_count;





	VERBOSE_PRINTK_STRING("rcu_torture_reader task started");

	VERBOSE_PRINTK_STRING("rcu_torture_reader task started");

	set_user_nice(current, 19);



	do {

	do {

		rcu_read_lock();

		rcu_read_lock();

		completed = rcu_batches_completed();

		completed = rcu_batches_completed();