Messages in this thread | | | Date | Sun, 27 Dec 2009 21:01:47 +0100 | From | Pavel Machek <> | Subject | Re: [RFC][PATCH 12/12] PM / r8169: Add simplified run-time PM support |
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On Sun 2009-12-27 20:48:37, Rafael J. Wysocki wrote: > On Tuesday 15 December 2009, Pavel Machek wrote: > > Hi! > > > > > Use the PCI run-time power management framework to add simplified > > > run-time PM support to the r8169 driver. Namely, make the driver > > > suspend the device when the link is off and set it up for generating > > > wake-up event after the link has been detected again. > > > > Nice! > > > > Do you have any idea how much power it saves? > > No, but there should be a power meter somewhere here ... > > I'll let you know if I can find it.
On notebooks, you can often use
pavel@amd:/data/l/linux-msm/arch/arm/mach-msm$ cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: charged present rate: 0 mW remaining capacity: 71830 mWh present voltage: 16277 mV
...present rate is often usable-enough. Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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