Asked on Super User by Szigyártó Mihály, 6 years ago. No reply there for at least a week.
How to debug tick_sched_timer high power usage?
My tick_sched_timer is using a lot of power, this is the output of powertop: The battery reports a discharge rate of 24.7 W The power consumed was 516 J The estimated remaining time is 3 hours, 0 minutes Summary: 2419.8 wakeups/second, 0.0 GPU ops/seconds, 0.0 VFS ops/sec and 54.8% CPU use Power est. Usage Events/s Category Description 2.38 W 5.5 ms/s 600.6 Timer tick_sched_timer 1.15 W 294.3 ms/s 174.1 Process [PID 3900] /usr/lib/firefox/firefox -contentproc -childID 3 -isForBrowser -prefsLen 244 -prefMapSize 220560 -parentBuildID 2020 845 mW 9.0 ms/s 209.6 Process [PID 3749] /usr/lib/firefox
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How to debug tick_sched_timer high power usage?
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Question by Szigyártó Mihály on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.