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| author | Ingo Molnar <mingo@elte.hu> | 2005-11-13 16:07:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-13 18:14:15 -0800 |
| commit | dbdf65b1b7f8ec48bda1604cfea7ac09ce583d6b (patch) | |
| tree | f6a278d3e0353beb777d4ed2414cae1d00a31602 /kernel/rcutorture.c | |
| parent | 66341a905ef5b3e7aea65b5d9bd1b0361b0ccc61 (diff) | |
| download | lwn-dbdf65b1b7f8ec48bda1604cfea7ac09ce583d6b.tar.gz lwn-dbdf65b1b7f8ec48bda1604cfea7ac09ce583d6b.zip | |
[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: Ingo Molnar <mingo@elte.hu>
Acked-by: Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/rcutorture.c')
| -rw-r--r-- | kernel/rcutorture.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 9b58f1eff3ca..eb6719c50b4e 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(); |