Re: Upgrade wheezy->jessie: Network interface: eth0 (atl1c) shows excessive power consumption
Hi,
Am Samstag, 31. Januar 2015, 20:40:35 schrieb Reco:
> Hi.
>
> On Sat, 31 Jan 2015 15:07:58 +0100
>
> Rainer Dorsch <ml@bokomoko.de> wrote:
> > it uses after the upgrade to jessie an excessive amount of power
> >
> > The battery reports a discharge rate of 9.75 W
> > The estimated remaining time is 2 hours, 10 minutes
> >
> > Summary: 585.9 wakeups/second, 50.0 GPU ops/seconds, 0.0 VFS ops/sec and
> > 22.6% CPU use
> >
> > Power est. Usage Events/s Category Description
> >
> > 4.91 W 0.0 pkts/s Device Network interface:
> > eth0>
> > (atl1c)
>
> …
>
> > Does anybody have an idea, how to debug this issue?
>
> Try disabling wake-on-lan on this interface, i.e.
>
> ethtool -s eth0 wol d
That does not change anything, I still get similar numbers:
Power est. Usage Events/s Category Description
5.62 W 0.0 pkts/s Device Network interface: eth0
(atl1c)
2.40 W 60.0% Device Display backlight
639 mW 0.4 pkts/s Device Network interface:
wlan0 (iwlwifi)
309 mW 3.3 ms/s 105.8 Interrupt PS/2 Touchpad /
Keyboard / Mouse
237 mW 12.0 ms/s 72.9 Process /usr/bin/konsole -
session 10e2d5d365000142271111600000019720029_1422822747_648972
192 mW 22.3 ms/s 48.1 Process /usr/bin/kmail -caption
KMail
189 mW 18.2 ms/s 63.9 Process kwin -session
10e2d5d365000134817831100000037430000_1422822747_727143
173 mW 28.4 ms/s 36.2 Process /usr/bin/plasma-desktop
120 mW 22.8 ms/s 22.4 Process /usr/bin/X :0 vt7 -br -
nolisten tcp -auth /var/run/xauth/A:0-pi14ma
71.3 mW 1.3 ms/s 23.9 Process [irq/44-iwlwifi]
59.6 mW 0.9 ms/s 20.1 Process /usr/sbin/mysqld --
defaults-file=/home/rd/.local/share/akonadi/mysql.conf --
datadir=/home/rd/.local/share/akonadi/db_data/ --so
53.3 mW 597.7 µs/s 18.2 Interrupt [45] i915
39.7 mW 153.5 µs/s 13.8 Interrupt [44] iwlwifi
36.2 mW 0.8 ms/s 12.0 Timer hrtimer_wakeup
27.3 mW 253.4 µs/s 9.4 Process [ktpacpi_nvramd]
25.0 mW 212.8 µs/s 8.6 kWork ieee80211_iface_work
22.7 mW 0.7 ms/s 7.4 Process /usr/bin/kaddressbook
22.5 mW 177.2 µs/s 7.7 Process [rcu_sched]
even though eth0 is disabled and wake-on-lan as well
root@nanette:~# ifdown eth0
ifdown: interface eth0 not configured
root@nanette:~# ethtool -s eth0 wol d
root@nanette:~#
If I unload the eth module
root@nanette:~# rmmod atl1c
root@nanette:~#
the total power does not go down that significantly but more distributes on
other components (e.g. Display backlight is now higher):
Summary: 497.1 wakeups/second, 9.6 GPU ops/seconds, 0.0 VFS ops/sec and 9.2%
CPU use
Power est. Usage Events/s Category Description
5.54 W 0.6 pkts/s Device Network interface:
wlan0 (iwlwifi)
3.73 W 60.0% Device Display backlight
673 mW 24.0 ms/s 162.9 Process /usr/bin/konsole -
session 10e2d5d365000142271111600000019720029_1422822747_648972
469 mW 4.2 ms/s 127.1 Interrupt PS/2 Touchpad /
Keyboard / Mouse
152 mW 22.3 ms/s 18.3 Process /usr/bin/X :0 vt7 -br -
nolisten tcp -auth /var/run/xauth/A:0-pi14ma
142 mW 9.6 ms/s 38.7 Process kwin -session
10e2d5d365000134817831100000037430000_1422822747_727143
91.1 mW 19.8 ms/s 3.9 Process /usr/bin/plasma-desktop
90.1 mW 1.3 ms/s 23.9 Process [irq/44-iwlwifi]
74.2 mW 0.9 ms/s 19.8 Process /usr/sbin/mysqld --
defaults-file=/home/rd/.local/share/akonadi/mysql.conf --
datadir=/home/rd/.local/share/akonadi/db_data/ --so
51.8 mW 149.7 µs/s 14.4 Interrupt [44] iwlwifi
49.7 mW 479.8 µs/s 13.4 Interrupt [45] i915
49.5 mW 0.7 ms/s 13.1 Timer hrtimer_wakeup
35.5 mW 221.9 µs/s 9.7 kWork ieee80211_iface_work
32.0 mW 0.8 ms/s 8.1 Process /usr/bin/kaddressbook
31.6 mW 251.8 µs/s 8.6 Process [ktpacpi_nvramd]
Sounds like powertop is not measuring accurately (?).
Thanks,
Rainer
--
Rainer Dorsch
Lärchenstr. 6
72135 Dettenhausen
07157-734133
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