Re: [Powertop] [Bug] powertop 2.1 isn't measuring task power properly on my Thinkpad T530

On (09/02/12 08:32), Marc MERLIN wrote:
> [retrying with fixed subject line]
> 
> Howdy,
> 
> I just downloaded and built 2.1, and a couple of things aren't right:
> 1) header columns aren't aligned with the data
> 2) power estimate shown in the kW range :)
>

well, the second one, perhaps, need a look.

	-ss

 
> I re-ran the new powertop later, and even when it's not way way off, I
> still get weird data like this:
>   21.3 W     86.7%                      Device         Display backlight
> I don't think my display uses 21W :) (it's about 6W when it's burning as
> high as it can).
> 
> See screenshot of 2.1 vs 1.98:
> 
> Is there other info I can provide?
> 
> Thanks,
> Marc
> 
> ----------------------------------------------------------------------------
> PowerTOP 2.1      Overview   Idle stats   Frequency stats   Device stats   Tunables                                     
> The battery reports a discharge rate of 14.0 W
> The estimated remaining time is 5 hours, 16 minutes
> 
> Summary: 448.2 wakeups/second,  82.7 GPU ops/seconds, 0.0 VFS ops/sec and 10.6% CPU use
> 
> Power est.              Usage       Events/s    Category       Description
>  10.0 kW     66.2 ms/s     257.2        Process        /usr/bin/enlightenment
>  3.72 kW    566.5 µs/s      69.9        Process        nm-applet --sm-disable
>   79.4 W      0.9 ms/s       9.7        Process        xfce4-terminal -T window9 --role=window9
>   6.26 W    123.2 µs/s      0.00        Process        xfce4-terminal -T window12 --role=window12
>   5.89 W     26.7%                      Device         Display backlight
>   2.10 W    100.0%                      Device         Audio codec alsa:hwC0D0: thinkpad (Realtek)
>   2.09 W     11.2 µs/s      0.15        Process        xscreensaver
>   1.37 W     35.4 pkts/s                Device         Network interface: wlan0 (iwlwifi)
>   180 mW      3.7 ms/s      54.9        Interrupt      [6] tasklet(softirq)
>   105 mW      1.1 ms/s      32.1        Process        /usr/bin/python /usr/local/bin/offlineimap
>  77.8 mW      1.3 ms/s      23.7        Interrupt      [47] i915(a)pci:0000:00:02.0
>  63.4 mW      0.8 ms/s      19.3        Timer          hrtimer_wakeup
>  47.0 mW      1.1 ms/s      14.3        Timer          tick_sched_timer
>  35.5 mW      1.5 ms/s      10.8        Interrupt      [7] sched(softirq)
> 
> ----------------------------------------------------------------------------
> 
> PowerTOP 1.98     Overview   Idle stats   Frequency stats   Device stats   Tunab
> 
> The battery reports a discharge rate of 14.1 W
> 
> Summary: 627.6 wakeups/second,  0.0 GPU ops/second and 0.0 VFS ops/sec
> 
> Power est.      Usage       Events/s    Category       Description
>   21.4 W     26.7%                      Device         Display backlight
>     0 mW     88.5 ms/s     148.6        Process        /usr/bin/enlightenment
>     0 mW     45.9 ms/s       0.5        Process        powertop-2.1
>     0 mW     15.8 ms/s     147.2        Process        /usr/bin/X :0 vt7 -br -no
>     0 mW      6.2 ms/s       1.4        Process        /usr/sbin/NetworkManager
>     0 mW      4.7 ms/s       9.0        Interrupt      [46] iwlwifi
>     0 mW      2.8 ms/s      0.15        Process        [kswapd0]
>     0 mW      1.9 ms/s      85.0        Interrupt      [6] tasklet(softirq)
>     0 mW      1.4 ms/s       5.9        Process        gvim /home/merlin/powerto
>     0 mW      1.3 ms/s      39.3        Interrupt      [47] i915(a)pci:0000:00:02.
>     0 mW      1.2 ms/s      49.7        Timer          tick_sched_timer
>     0 mW      1.1 ms/s      30.5        Interrupt      [7] sched(softirq)
> 
> -- 
> "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
> Microsoft is to operating systems ....
>                                       .... what McDonalds is to gourmet cooking
> Home page: http://marc.merlins.org/
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