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powertop overview

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Aug 28th, 2025
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  1. Summary: 208.3 wakeups/second, 0.0 GPU ops/seconds, 0.0 VFS ops/sec and 1.8% CPU use
  2.  
  3. Usage Events/s Category Description
  4. 0.9 ms/s 85.0 Timer tick_nohz_handler
  5. 184.9 µs/s 31.4 kWork flush_to_ldisc
  6. 2.2 ms/s 25.3 Interrupt [3] net_rx(softirq)
  7. 85.1 µs/s 17.1 Timer inactive_task_timer
  8. 6.6 ms/s 6.7 Process [PID 8815] powertop
  9. 253.6 µs/s 8.4 Process [PID 4739] /usr/bin/containerd
  10. 51.5 µs/s 5.0 kWork psi_avgs_work
  11. 63.3 µs/s 4.8 Timer watchdog_timer_fn
  12. 264.8 µs/s 4.1 Process [PID 5841] /usr/bin/containerd
  13. 254.2 µs/s 3.1 Process [PID 5129] /usr/bin/containerd
  14. 0.8 ms/s 2.6 Interrupt [7] sched(softirq)
  15. 572.0 µs/s 2.4 Timer hrtimer_wakeup
  16. 86.0 µs/s 1.6 kWork handle_update
  17. 2.2 ms/s 0.5 Process [PID 6838] sshd: pj@pts/0
  18. 37.4 µs/s 1.3 Process [PID 165] [kcompactd0]
  19. 45.0 µs/s 1.0 Process [PID 18] [rcu_preempt]
  20. 119.0 µs/s 0.9 Process [PID 8205] /usr/bin/containerd
  21. 26.7 µs/s 0.8 Process [PID 4807] /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
  22. 8.7 µs/s 0.5 kWork vmstat_shepherd
  23. 63.2 µs/s 0.5 kWork e1000_watchdog_task
  24. 27.3 µs/s 0.5 Process [PID 8713] /usr/libexec/fwupd/fwupd
  25. 1.2 ms/s 0.00 Interrupt [125] eno1
  26. 53.4 µs/s 0.4 Process [PID 4822] /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
  27. 0.0 µs/s 0.4 kWork pm_runtime_work
  28. 30.2 µs/s 0.4 kWork flush_memcg_stats_dwork
  29. 2.6 µs/s 0.4 kWork usb_giveback_urb_bh
  30. 70.3 µs/s 0.30 Process [PID 4681] avahi-daemon: running [server.local]
  31. 27.3 µs/s 0.25 Process [PID 8711] /usr/libexec/fwupd/fwupd
  32. 17.3 µs/s 0.25 Process [PID 4722] /usr/sbin/NetworkManager --no-daemon
  33. 3.3 µs/s 0.25 Process [PID 130] [ksoftirqd/9]
  34. 1.2 µs/s 0.25 kWork neigh_managed_work
  35. 314.1 µs/s 0.05 Interrupt [1] timer(softirq)
  36. 2.6 µs/s 0.15 kWork wb_workfn
  37. 307.6 µs/s 0.00 Process [PID 8803] [kworker/u80:3]
  38. 8.5 µs/s 0.10 Process [PID 6049] /usr/libexec/rtkit-daemon
  39. 4.4 µs/s 0.10 kWork kfree_rcu_monitor
  40. 1.8 µs/s 0.10 kWork delayed_vfree_work
  41. 0.4 µs/s 0.10 kWork i915_hpd_poll_init_work
  42. 0.4 µs/s 0.10 kWork neigh_periodic_work
  43. 0.2 µs/s 0.10 kWork iova_depot_work_func
  44. 0.0 µs/s 0.10 kWork idle_cull_fn
  45. 163.8 µs/s 0.00 Timer delayed_work_timer_fn
  46. 34.7 µs/s 0.05 Interrupt [9] RCU(softirq)
  47. 146.5 µs/s 0.00 Process [PID 8605] [kworker/4:0]
  48. 10.1 µs/s 0.05 Process [PID 4688] /lib/systemd/systemd-logind
  49. 9.4 µs/s 0.05 Process [PID 8840] pool-udisksd
  50. 4.9 µs/s 0.05 Timer tcp_orphan_update
  51. 4.4 µs/s 0.05 Process [PID 4702] /sbin/wpa_supplicant -u -s -O DIR=/run/wpa_supplicant GROUP=netdev
  52. 1.4 µs/s 0.05 kWork kfree_rcu_work
  53. 0.3 µs/s 0.05 kWork output_poll_execute
  54. 107.6 µs/s 0.00 Process [PID 3932] [kworker/9:2]
  55. 93.0 µs/s 0.00 Process [PID 8807] [kworker/u80:8]
  56. 91.3 µs/s 0.00 Process [PID 8837] [kworker/8:2]
  57. 89.2 µs/s 0.00 Timer fq_flush_timeout
  58. 81.3 µs/s 0.00 Interrupt [6] tasklet(softirq)
  59. 53.3 µs/s 0.00 Process [PID 4701] /usr/sbin/NetworkManager --no-daemon
  60. 49.6 µs/s 0.00 Timer process_timeout
  61. 47.4 µs/s 0.00 Interrupt [151] xhci_hcd
  62. 30.3 µs/s 0.00 kWork wq_barrier_func
  63. 26.8 µs/s 0.00 Process [PID 8688] [kworker/2:2]
  64. 23.2 µs/s 0.00 Process [PID 2218] [kworker/0:2]
  65. 17.2 µs/s 0.00 Process [PID 5286] /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
  66. 15.6 µs/s 0.00 kWork vmstat_update
  67. 11.3 µs/s 0.00 Timer e1000_watchdog
  68. 10.9 µs/s 0.00 Process [PID 1] /sbin/init
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