Re: [Powertop] HIgh power concumption on network interface
Wout Mertens <wout.mertens at gmail.com>
| Newsgroups | dev.linux.lists.powertop |
|---|---|
| Message-ID | <CAO3V83LOc6ZCBjhgLaOyH6STt+s=xRJL8h=Dy+bugNnAS0q_fw@mail.gmail.com> |
On Thu, Feb 20, 2014 at 4:06 PM, Arjan van de Ven <arjan(a)linux.intel.com>wrote: > On 2/19/2014 10:35 PM, Wout Mertens wrote: > >> Alright I'll give that a shot, thanks! >> >> As a side question though, is 20W a reasonable idle power consumption for >> a high-end recent laptop? >> > > that's quite on the high side > Having said that, screen takes a lot of power at full brightness ;) > Well this was at the lowest brightness I could set it at. I just tested, and with the laptop going into "light sleep" (screen off, disk off, idle processes) it seems to use 12W. Any tips for finding out what might cause the drain? Perhaps the 16GB RAM is suspect? Or maybe just the CPU (it's an i7-4800MQ with a 47W TDP). Wout.
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<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Thu, Feb 20, 2014 at 4:06 PM, Arjan van de Ven <span dir="ltr"><<a href="mailto:[email protected]" target="_blank">[email protected]</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class="">On 2/19/2014 10:35 PM, Wout Mertens wrote:<br> <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"> Alright I'll give that a shot, thanks!<br> <br> As a side question though, is 20W a reasonable idle power consumption for a high-end recent laptop?<br> </blockquote> <br></div> that's quite on the high side<br> Having said that, screen takes a lot of power at full brightness ;)<br></blockquote><div><br></div>Well this was at the lowest brightness I could set it at. I just tested, and with the laptop going into "light sleep" (screen off, disk off, idle processes) it seems to use 12W.</div> <div class="gmail_quote"><br></div><div class="gmail_quote">Any tips for finding out what might cause the drain? Perhaps the 16GB RAM is suspect? Or maybe just the CPU (it's an i7-4800MQ with a 47W TDP).<div> </div></div> Wout.</div></div>