Nokia-N900:~# 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 62134us C# | Ratio | Avg/dura | Frequency | Ratio --------+--------+----------+-----------+--------+ C0 | 0.6% | | 1150 MHz | nan% | C1 | 0.0% | 0.4ms | C2 | 2.1% | 9.7ms | C3 | 9.4% | 113.1ms | C4 | 87.9% | 943.8ms | IRQ# | Activity | Type | Name --------+------------+----------------+--------------------------- 56 | 113 | INTC | i2c_omap 37 | 91 | INTC | gp 11 | 87 | INTC | prcm 86 | 31 | INTC | mmc1 57 | 29 | INTC | i2c_omap 21 | 9 | INTC | SGX 12 | 4 | INTC | DMA PID# | Activity | Name | Function Entry (Expire) --------+------------+----------------+--------------------------- 1951 | 30 | fmtxd | schedule_hrtimeout_range (hrtimer_wakeup) 1822 | 17 | osso-xterm | schedule_hrtimeout_range (hrtimer_wakeup) 0 | 13 | <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer) 0 | 13 | <kernel core> | hrtimer_start (tick_sched_timer) 1 | 12D| preinit | cpufreq_governor_dbs (delayed_work_timer_fn) 1042 | 7 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 45 | 6 | mmcqd | schedule_timeout (process_timeout) 45 | 3 | mmcqd | queue_delayed_work (delayed_work_timer_fn) 1164 | 3 | Xorg | queue_delayed_work (delayed_work_timer_fn) 1042 | 3 | bme_RX-51 | schedule_timeout (process_timeout) 823 | 3 | dsme | do_nanosleep (hrtimer_wakeup) 823 | 3 | dsme | __enqueue_rt_entity (sched_rt_period_timer) 1135 | 2 | sgx_perf | queue_delayed_work (delayed_work_timer_fn) 1042 | 2 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 1042 | 2 | bme_RX-51 | do_nanosleep (hrtimer_wakeup) 857 | 2D|<kernel module> | queue_delayed_work (delayed_work_timer_fn) 0 | 1 | <kernel core> | queue_delayed_work (delayed_work_timer_fn) 1 | 1D| <kernel core> | queue_delayed_work (delayed_work_timer_fn) 1 | 1 | <kernel core> | queue_delayed_work (delayed_work_timer_fn) 1406 | 1 | iphbd | schedule_hrtimeout_range (hrtimer_wakeup) 1958 | 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: 96%|RET: 2%|INA: 0%| ON: 0%| 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: 88%|RET: 7%|INA: 0%| ON: 3%| now:(ON) neon |OFF: 88%|RET: 9%|INA: 2%| ON: 0%| now:(ON) mpu |OFF: 88%|RET: 9%|INA: 2%| ON: 0%| 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 | SR1 | SR2 | ckgen | CORE | PERI | 96M | 48M | 12M | 54M | EMU_CORE | per | GPIO2 | GPIO3 | GPIO4 | GPIO5 | GPIO6 | Total wakeups 490, 16.3/s | IRQ 364, 12.1/s | Timers 126, 4.2/s HW wakeups 87, 2.9/s | Real gp_timers expired 91, 3.0/s