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 6226us C# | Ratio | Avg/dura | Frequency | Ratio --------+--------+----------+-----------+--------+ C0 | 0.4% | | 1150 MHz | nan% | C1 | 0.1% | 0.4ms | C2 | 3.0% | 5.6ms | C3 | 6.3% | 72.1ms | C4 | 90.2% | 1690.7ms | IRQ# | Activity | Type | Name --------+------------+----------------+--------------------------- 12 | 398 | INTC | DMA 56 | 152 | INTC | i2c_omap 37 | 90 | INTC | gp 57 | 50 | INTC | i2c_omap 86 | 17 | INTC | mmc1 202 | 17 | GPIO | wl1251 11 | 10 | INTC | prcm 21 | 9 | INTC | SGX PID# | Activity | Name | Function Entry (Expire) --------+------------+----------------+--------------------------- 0 | 30 | <kernel core> | hrtimer_start (tick_sched_timer) 0 | 27 | <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer) 744 | 22 | wl12xx | schedule_timeout (process_timeout) 2098 | 19 | osso-xterm | schedule_hrtimeout_range (hrtimer_wakeup) 1 | 15D| preinit | cpufreq_governor_dbs (delayed_work_timer_fn) 744 | 10 | wl12xx | queue_delayed_work (delayed_work_timer_fn) 869 | 9 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 45 | 3 | mmcqd | queue_delayed_work (delayed_work_timer_fn) 1186 | 3 | Xorg | queue_delayed_work (delayed_work_timer_fn) 744 | 3 | wl12xx | schedule_timeout (process_timeout) 1511 | 3 | wlancond | ieee80211_ioctl_siwpower (ieee80211_dynamic_ps_timer) 869 | 3 | bme_RX-51 | schedule_timeout (process_timeout) 826 | 3 | dsme | do_nanosleep (hrtimer_wakeup) 826 | 3 | dsme | __enqueue_rt_entity (sched_rt_period_timer) 1 | 3D| <kernel core> | queue_delayed_work (delayed_work_timer_fn) 1139 | 2 | sgx_perf | queue_delayed_work (delayed_work_timer_fn) 869 | 2 | bme_RX-51 | do_nanosleep (hrtimer_wakeup) 853 | 2D|<kernel module> | queue_delayed_work (delayed_work_timer_fn) 14 | 1 | pdflush | journal_get_write_access (commit_timeout) 1 | 1 | <kernel core> | inet_initpeers (peer_check_expire) 2113 | 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: 0%|RET: 0%|INA: 0%| ON: 100%| 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: 0%|RET: 0%|INA: 0%| ON: 100%| now:(ON) neon |OFF: 90%|RET: 6%|INA: 2%| ON: 0%| now:(ON) mpu |OFF: 90%|RET: 6%|INA: 2%| ON: 0%| now:(ON) iva2 |OFF: 0%|RET: 0%|INA: 0%| ON: 100%| now:(ON) Clock activity breakdown at end of period Domain | Active clocks --------+---------------+---------------+------------------ iva2 | IVA2 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 908, 30.3/s | IRQ 743, 24.8/s | Timers 165, 5.5/s HW wakeups 10, 0.3/s | Real gp_timers expired 90, 3.0/s