power consumption

hong zhang henryzhang62 at yahoo.com
Fri May 22 00:01:56 UTC 2009


If current drian is up down not stable, I need to measure average value in a period of time.
Do you think multimeter can do that?

--- On Thu, 5/21/09, Greg KH <greg at kroah.com> wrote:

> From: Greg KH <greg at kroah.com>
> Subject: Re: power consumption
> To: "hong zhang" <henryzhang62 at yahoo.com>
> Cc: devel at linuxdriverproject.org
> Date: Thursday, May 21, 2009, 6:52 PM
> On Thu, May 21, 2009 at 01:25:52PM
> -0700, hong zhang wrote:
> > 
> > List,
> > 
> > I want to measure power consumption for my wifi card.
> acpi has 10%
> > error range. Do we have better tool to measure power
> consumption in
> > Linux?
> 
> A multimeter on a tracepoint on the motherboard is the best
> thing for
> that.  Or a meter on the power cord with the battery
> unplugged is also a
> good guess.
> 
> Good luck,
> 
> greg k-h
> 


      



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