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authorIngo Molnar <mingo@elte.hu>2005-11-13 19:07:22 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-13 21:14:15 -0500
commitdbdf65b1b7f8ec48bda1604cfea7ac09ce583d6b (patch)
treef6a278d3e0353beb777d4ed2414cae1d00a31602
parent66341a905ef5b3e7aea65b5d9bd1b0361b0ccc61 (diff)
[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>
-rw-r--r--kernel/rcutorture.c4
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)
195 static DEFINE_RCU_RANDOM(rand); 195 static DEFINE_RCU_RANDOM(rand);
196 196
197 VERBOSE_PRINTK_STRING("rcu_torture_writer task started"); 197 VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
198 set_user_nice(current, 19);
199
198 do { 200 do {
199 schedule_timeout_uninterruptible(1); 201 schedule_timeout_uninterruptible(1);
200 if (rcu_batches_completed() == oldbatch) 202 if (rcu_batches_completed() == oldbatch)
@@ -238,6 +240,8 @@ rcu_torture_reader(void *arg)
238 int pipe_count; 240 int pipe_count;
239 241
240 VERBOSE_PRINTK_STRING("rcu_torture_reader task started"); 242 VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
243 set_user_nice(current, 19);
244
241 do { 245 do {
242 rcu_read_lock(); 246 rcu_read_lock();
243 completed = rcu_batches_completed(); 247 completed = rcu_batches_completed();