Originally Posted by StocChr

after several problems, i did yesterday night a full reset.
i flashed the eMMC and the rootfs

i installed all programms, overclocked, cssu, ...

Code:

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 29606us

C#      | Ratio  | Avg/dura | Frequency | Ratio
--------+--------+----------+-----------+--------+
     C0 |   0.7% |          |  1150 MHz |   nan% |
     C1 |   0.0% |          | 
     C2 |   1.6% |    7.8ms | 
     C3 |   4.0% |   63.4ms | 
     C4 |  93.7% | 2343.4ms | 

IRQ#    | Activity   | Type           | Name
--------+------------+----------------+---------------------------
     56 |        198 |           INTC | i2c_omap
     37 |         76 |           INTC | gp
     11 |         50 |           INTC | prcm
     86 |         35 |           INTC | mmc1
     57 |         22 |           INTC | i2c_omap
     21 |          9 |           INTC | SGX
     12 |          4 |           INTC | DMA

PID#    | Activity   | Name           | Function Entry (Expire)
--------+------------+----------------+---------------------------
      0 |         23 |  <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer)
   2205 |         19 |     osso-xterm | schedule_hrtimeout_range (hrtimer_wakeup)
      0 |         19 |  <kernel core> | hrtimer_start (tick_sched_timer)
     38 |         16D|            awk | cpufreq_governor_dbs (delayed_work_timer_fn)
    600 |          7 |          mmcqd | schedule_timeout (process_timeout)
   1018 |          4 |           Xorg | queue_delayed_work (delayed_work_timer_fn)
    897 |          4 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    986 |          3 |       sgx_perf | queue_delayed_work (delayed_work_timer_fn)
    600 |          3 |          mmcqd | queue_delayed_work (delayed_work_timer_fn)
    678 |          3 |           dsme | do_nanosleep (hrtimer_wakeup)
    678 |          3 |           dsme | __enqueue_rt_entity (sched_rt_period_timer)
      1 |          3D|  <kernel core> | queue_delayed_work (delayed_work_timer_fn)
   1018 |          2 |           Xorg | hrtimer_start (it_real_fn)
    897 |          2 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    897 |          2 |      bme_RX-51 | do_nanosleep (hrtimer_wakeup)
    704 |          2D|<kernel module> | queue_delayed_work (delayed_work_timer_fn)
    897 |          2 |      bme_RX-51 | schedule_timeout (process_timeout)
     30 |          1 |          mount | setup_wb_timer (wb_timer_fn)
     14 |          1 |        pdflush | blk_plug_device (blk_unplug_timeout)
    600 |          1 |          mmcqd | schedule_timeout (process_timeout)
      1 |          1 |  <kernel core> | inet_initpeers (peer_check_expire)
      0 |          1 |  <kernel core> | queue_delayed_work (delayed_work_timer_fn)
   2225 |          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:  97%|RET:   1%|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:  93%|RET:   2%|INA:   0%| ON:   3%| now:(ON)
   neon |OFF:  93%|RET:   4%|INA:   1%| ON:   0%| now:(ON)
    mpu |OFF:  93%|RET:   4%|INA:   1%| 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 |
  ckgen |          CORE |          PERI |           96M 
        |           48M |           12M |           54M 
        |      EMU_CORE |
    per |         GPIO2 |         GPIO3 |         GPIO4 
        |         GPIO5 |         GPIO6 |

Total wakeups   517,  17.2/s | IRQ  394,  13.1/s | Timers  123,   4.1/s
HW wakeups       50,   1.7/s |     Real gp_timers expired   76,   2.5/s

is the cpu usage now, as it should be?

cheers

Originally Posted by p900

This is my powertop output in case someone can help me find what drains my battery.
it's not a serious situation but I feel my battery can perform better (around 15% more)

Code:

Powertop 1.13.3 
sh: status: not found 
Sleeping for 11 seconds before sampling 
Collecting data for 30 seconds 
Sample interval was 00m 30s 16297us 

C# | Ratio | Avg/dura | Frequency | Ratio 
--------+--------+----------+-----------+--------+ 
C0 | 1.5% | | 600 MHz | 0.0% | 
C1 | 1.3% | 3.8ms | 550 MHz | 0.0% | 
C2 | 77.1% | 127.2ms | 500 MHz | 0.0% | 
C3 | 14.3% | 538.2ms | 250 MHz | 100.0% | 
C4 | 5.7% | 569.9ms | 

IRQ# | Activity | Type | Name 
--------+------------+----------------+--------------------------- 
57 | 289 | INTC | i2c_omap 
56 | 171 | INTC | i2c_omap 
37 | 161 | INTC | gp 
11 | 137 | INTC | prcm 
21 | 5 | INTC | SGX 
86 | 2 | INTC | mmc1 

PID# | Activity | Name | Function Entry (Expire) 
--------+------------+----------------+--------------------------- 
0 | 296 | <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer) 
38 | 86D| awk | cpufreq_governor_dbs (delayed_work_timer_fn) 
1204 | 60 |hildon-status-m | schedule_hrtimeout_range (hrtimer_wakeup) 
0 | 39 | <kernel core> | hrtimer_start (tick_sched_timer) 
793 | 21 | mce | schedule_hrtimeout_range (hrtimer_wakeup) 
3820 | 19 | osso-xterm | schedule_hrtimeout_range (hrtimer_wakeup) 
709 | 12 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 
3786 | 8 | skyhost | futex_wait (hrtimer_wakeup) 
593 | 8 | mmcqd | schedule_timeout (process_timeout) 
3780 | 7 | skyhost | do_nanosleep (hrtimer_wakeup) 
546 | 7 | wl12xx | schedule_timeout (process_timeout) 
546 | 7 | wl12xx | queue_delayed_work (delayed_work_timer_fn) 
593 | 6 | mmcqd | queue_delayed_work (delayed_work_timer_fn) 
709 | 6 | bme_RX-51 | schedule_timeout (process_timeout) 
10 | 4 | omap2_mcspi | inet_twsk_schedule (inet_twdr_hangman) 
3771 | 4 |telepathy-pecan | schedule_hrtimeout_range (hrtimer_wakeup) 
593 | 4 | mmcqd | cfq_completed_request (cfq_idle_slice_timer) 
1215 | 3 | hildon-desktop | queue_delayed_work (delayed_work_timer_fn) 
807 | 3 | sgx_perf | queue_delayed_work (delayed_work_timer_fn) 
2801 | 3 | browserd | futex_wait (hrtimer_wakeup) 
3771 | 3 |telepathy-pecan | neigh_add_timer (neigh_timer_handler) 
793 | 3 | mce | tsc2005_start_scan (tsc2005_esd_timer_handler) 
1258 | 3 | wlancond | ieee80211_ioctl_siwpower (ieee80211_dynamic_ps_timer) 
709 | 2 | bme_RX-51 | do_nanosleep (hrtimer_wakeup) 
1 | 2D| <kernel core> | queue_delayed_work (delayed_work_timer_fn) 
665 | 2 | dsme | do_nanosleep (hrtimer_wakeup) 
665 | 2 | dsme | __enqueue_rt_entity (sched_rt_period_timer) 
862 | 1 | Xorg | hrtimer_start (it_real_fn) 
862 | 1 | Xorg | queue_delayed_work (delayed_work_timer_fn) 
709 | 1 | bme_RX-51 | sys_timer_settime (posix_timer_fn) 
1204 | 1 |hildon-status-m | queue_delayed_work (delayed_work_timer_fn) 
593 | 1 | mmcqd | schedule_timeout (process_timeout) 
546 | 1 | wl12xx | schedule_timeout (process_timeout) 
3771 | 1 |telepathy-pecan | sk_reset_timer (tcp_write_timer) 
1 | 1 | <kernel core> | inet_initpeers (peer_check_expire) 
3788 | 1 | skyhost | schedule_hrtimeout_range (hrtimer_wakeup) 
3964 | 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: 99%|RET: 0%|INA: 0%| ON: 0%| now:(OFF) 
per |OFF: 20%|RET: 77%|INA: 0%| ON: 2%| now:(ON) 
dss |OFF: 0%|RET: 0%|INA: 0%| ON: 100%| now:(ON) 
cam |OFF: 100%|RET: 0%|INA: 0%| ON: 0%| now:(OFF) 
core |OFF: 0%|RET: 0%|INA: 96%| ON: 3%| now:(ON) 
neon |OFF: 5%|RET: 14%|INA: 77%| ON: 2%| now:(ON) 
mpu |OFF: 5%|RET: 14%|INA: 77%| ON: 2%| 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 | MMC2 | 
core3 | USBTLL 
wkup | GPT1 | 32KSYNC | GPIO1 
| WDT1 | 
ckgen | CORE | PERI | 96M 
| 48M | 12M | 54M 
| EMU_CORE | 
dss | DSS_IDLE 
per | GPIO2 | GPIO3 | GPIO4 
| GPIO5 | GPIO6 | 

Total wakeups 1395, 46.5/s | IRQ 765, 25.5/s | Timers 630, 21.0/s 
HW wakeups 137, 4.6/s | Real gp_timers expired 161, 5.4/s 
~ $

Originally Posted by vi_

finally you got it! What you have there is about as good as you can get 'stock'. For further battery, enable smart reflex 1+2 and overclock 250-805. Don't install programs that poll the hardware or widgets that relentlessly autoupdate.

Job done.

Originally Posted by udaychaitanya16

please somebody with a good battery life post the output of powertop here so that people like me will get a chance to further decipher wt is going with our batteries.Thank you.

Originally Posted by vi_

finally you got it! What you have there is about as good as you can get 'stock'. For further battery, enable smart reflex 1+2 and overclock 250-805. Don't install programs that poll the hardware or widgets that relentlessly autoupdate.

Job done.

Originally Posted by StocChr

i played with smartreflex with following results:

250-850MHz: device reboot after enabling smartreflex
250-805MHz: device runs smooth without reboots

what does smartreflex exactly do? why it doenst run with 850MHz?
what about ignore nice load? 0 or 1?

cheers

EDIT: my kernel configuration

Code:

MINFREQ=250
MAXFREQ=805
FREQS="0:30,90 250:38,180 500:48,360 550:48,400 600:54,430 700:54,430 750:54,430 805:54,430 850:54,500 900:54,500 950:54,500 1000:60,500 1100:72,520 1150:72,520 "
SMARTREFLEX_VDD1=1
SMARTREFLEX_VDD2=1
GOVERNOR=ondemand
IGNORE_NICE_LOAD=0
UP_THRESHOLD=75
SAMPLING_RATE=150000
POWERSAVE_BIAS=0