$ sudo powertop Powertop 1.13.3 status: Unknown job: pmtrackerdaemon Sleeping for 11 seconds before sampling Collecting data for 30 seconds Sample interval was 00m 30s 91311us C# | Ratio | Avg/dura | Frequency | Ratio --------+--------+----------+-----------+--------+ C0 | 1.1% | | 600 MHz | 1.0% | C1 | 0.0% | 0.2ms | 550 MHz | 0.0% | C2 | 0.5% | 5.3ms | 500 MHz | 0.0% | C3 | 8.9% | 116.7ms | 250 MHz | 99.0% | C4 | 89.5% | 1495.9ms | IRQ# | Activity | Type | Name --------+------------+----------------+--------------------------- 37 | 93 | INTC | gp 56 | 86 | INTC | i2c_omap 12 | 74 | INTC | DMA 11 | 61 | INTC | prcm 57 | 22 | INTC | i2c_omap 21 | 10 | INTC | SGX 67 | 10 | INTC | ssi_p1_mpu_irq0 202 | 9 | GPIO | wl1251 71 | 8 | INTC | ssi_gdd 311 | 4 | GPIO | ssi_p1_cawake_gpio PID# | Activity | Name | Function Entry (Expire) --------+------------+----------------+--------------------------- 0 | 52 | <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer) 37 | 22D| awk | cpufreq_governor_dbs (delayed_work_timer_fn) 1850 | 18 | osso-xterm | schedule_hrtimeout_range (hrtimer_wakeup) 544 | 9 | wl12xx | queue_delayed_work (delayed_work_timer_fn) 0 | 7 | <kernel core> | hrtimer_start (tick_sched_timer) 881 | 4 | Xorg | hrtimer_start (it_real_fn) 728 | 4 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 1 | 3 | <kernel core> | queue_delayed_work (delayed_work_timer_fn) 27 | 2 | kondemand/0 | queue_delayed_work (delayed_work_timer_fn) 831 | 2 | sgx_perf | queue_delayed_work (delayed_work_timer_fn) 728 | 2 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 728 | 2 | bme_RX-51 | do_nanosleep (hrtimer_wakeup) 728 | 2 | bme_RX-51 | schedule_timeout (process_timeout) 689 | 2 | dsme | do_nanosleep (hrtimer_wakeup) 689 | 2 | dsme | __enqueue_rt_entity (sched_rt_period_timer) 817 | 1 | mce | schedule_hrtimeout_range (hrtimer_wakeup) 1213 | 1 | wlancond | schedule_timeout (process_timeout) 1213 | 1 | wlancond | queue_delayed_work (delayed_work_timer_fn) 1213 | 1 | wlancond | ieee80211_ioctl_siwpower (ieee80211_dynamic_ps_timer) 1652 | 1 | browserd | futex_wait (hrtimer_wakeup) 0 | 1 | <kernel core> | queue_delayed_work (delayed_work_timer_fn) 1855 | 1 | powertop | do_nanosleep (hrtimer_wakeup) Power domain activity breakdown Domain | % of time spent in states --------+---------+---------+---------+---------+---------- usbhost |OFF: 100%|RET: 0%|INA: 0%| ON: 0%| now:(OFF) sgx |OFF: 97%|RET: 0%|INA: 0%| ON: 2%| now:(OFF) per |OFF: 98%|RET: 0%|INA: 0%| ON: 1%| now:(ON) dss |OFF: 100%|RET: 0%|INA: 0%| ON: 0%| now:(OFF) cam |OFF: 100%|RET: 0%|INA: 0%| ON: 0%| now:(OFF) core |OFF: 89%|RET: 7%|INA: 0%| ON: 2%| now:(ON) neon |OFF: 89%|RET: 8%|INA: 0%| ON: 1%| now:(ON) mpu |OFF: 89%|RET: 8%|INA: 0%| ON: 1%| now:(ON) iva2 |OFF: 100%|RET: 0%|INA: 0%| ON: 0%| now:(OFF) Clock activity breakdown at end of period Domain | Active clocks --------+---------------+---------------+------------------ core | SDRC | HSOTGUSB_IDLE | OMAPCTRL | MAILBOXES | wkup | GPT1 | 32KSYNC | GPIO1 | WDT1 | ckgen | CORE | PERI | 96M | 48M | 12M | 54M | EMU_CORE | per | GPIO2 | GPIO3 | GPIO4 | GPIO5 | GPIO6 | Total wakeups 517, 17.2/s | IRQ 377, 12.6/s | Timers 140, 4.7/s HW wakeups 61, 2.0/s | Real gp_timers expired 93, 3.1/s ~ $