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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-05-02 20:55:06 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-05-02 21:03:50 +0200 |
| commit | 4b40e94233914642735b0a366cee9d0634224430 (patch) | |
| tree | a09ef39e6df1b313c264b3d0cd9293ca9ae6038f /kernel | |
| parent | dc15be1db7a1fd62b4662727f5a07d92213123aa (diff) | |
| download | lwn-4b40e94233914642735b0a366cee9d0634224430.tar.gz lwn-4b40e94233914642735b0a366cee9d0634224430.zip | |
sched: Warn on rt throttling
The default rt-throttling is a source of never ending questions. Warn
once when we go into throttling so folks have that info in dmesg.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched_rt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 6a0029a18259..0e4b15d2a08c 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -580,6 +580,7 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq) if (rt_rq->rt_time > runtime) { rt_rq->rt_throttled = 1; + printk_once(KERN_WARNING "sched: RT throttling activated\n"); if (rt_rq_throttled(rt_rq)) { sched_rt_rq_dequeue(rt_rq); return 1; |