Hi,

This seems newish, maybe 4.16 debug kernels were doing it also, but
I've seen if for all of 4.17. But what's new, I think, with
4.17.0-0.rc5.git1.1.fc29.x86_64 is I'm seeing a 4 kidle_inject threads
each using around 20% CPU per top, and the everything is sluggish, the
mouse arrow jerks around on screen, and apps aren't responsive.

I'm not sure where to start with troubleshooting; my first thought is
to just wait for rc6 and see if it's still happening.


[  698.266514] intel_powerclamp: Start idle injection to reduce power
[  699.234406] NOHZ: local_softirq_pending 80
[  699.235553] NOHZ: local_softirq_pending 282
[  699.236533] NOHZ: local_softirq_pending 282
[  699.237543] NOHZ: local_softirq_pending 282
[  699.238537] NOHZ: local_softirq_pending 282
[  699.239533] NOHZ: local_softirq_pending 282
[  699.954395] NOHZ: local_softirq_pending 01
[  699.955375] NOHZ: local_softirq_pending 03
[  699.956528] NOHZ: local_softirq_pending 03
[  699.956620] NOHZ: local_softirq_pending 03
[  770.446697] intel_powerclamp: Stop forced idle injection
[ 3431.071390] intel_powerclamp: Start idle injection to reduce power
[ 3499.240452] intel_powerclamp: Stop forced idle injection
[ 3559.338108] intel_powerclamp: Start idle injection to reduce power
[ 3603.420097] intel_powerclamp: Stop forced idle injection
[ 3715.571884] intel_powerclamp: Start idle injection to reduce power
[ 3755.677148] intel_powerclamp: Stop forced idle injection

Thanks,


-- 
Chris Murphy
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