Doug / smarc-fsl-linux-kernel

Download as
Browse Code ยป

Commit 1c83437e80186832a9a48dbb6b8868d28e40e562

Authored by Thomas Gleixner
Committed by Ingo Molnar
1 parent 4939602a24
Exists in master and in 6 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

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>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1110051331480.18778@ionos
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff

... ... @@ -655,6 +655,7 @@
655 655  
656 656 if (rt_rq->rt_time > runtime) {
657 657 rt_rq->rt_throttled = 1;
  658 + printk_once(KERN_WARNING "sched: RT throttling activated\n");
658 659 if (rt_rq_throttled(rt_rq)) {
659 660 sched_rt_rq_dequeue(rt_rq);
660 661 return 1;