我的tick_sched_timer正在使用大量电量，这是powertop的输出：
\n The battery reports a discharge rate of 24.7 W\n The power consumed was 516 J\n The estimated remaining time is 3 hours, 0 minutes\n\n Summary: 2419.8 wakeups/second, 0.0 GPU ops/seconds, 0.0 VFS ops/sec and 54.8% CPU use\n\n Power est. Usage Events/s Category Description\n 2.38 W 5.5 ms/s 600.6 Timer tick_sched_timer\n 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\n 845 mW 9.0 ms/s 209.6 Process [PID 3749] /usr/lib/firefox/firefox …