<br><br><div><span class="gmail_quote">On 5/13/07, <b class="gmail_sendername">Dominik 'Rathann' Mierzejewski</b> <<a href="mailto:dominik@greysector.net">dominik@greysector.net</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Sunday, 13 May 2007 at 00:12, Arjan van de Ven wrote:<br>> Hi,<br>><br>> some of you already know that I've been working on getting Linux (and<br>> Fedora) to be a lot better about power usage on laptops by avoiding
<br>> spurious wakeups and context switches and such (look at the "wakeup" bug<br>> in fedora bugzilla ;).<br>><br>> As part of my job at Intel I've now released a user friendly tool that<br>> allows everyone that uses it to see what the biggest problems on their
<br>> own laptop are... The results internally to Intel have been really good;<br>> several people gained an hour of battery just by using the tool and<br>> getting rid of (or fixing) 'broken' applications.
<br>><br>> PowerTOP can be downloaded from <a href="http://www.linuxpowertop.org">http://www.linuxpowertop.org</a><br>><br>><br>> for completeness I've attached the full announcement text I used in<br>> other places below. I hope that enough people will use it and report /
<br>> fix issues in software so that the whole Linux experience on laptops<br>> will be a lot better in a few months..<br><br>Hey, this is pretty cool.<br><br>Here's what it says on my amd64 desktop:<br><br>No detailed statistics available; please enable the CONFIG_TIMER_STATS kernel option
<br><br>Suggestion: Enable the CONFIG_USB_SUSPEND kernel configuration option.<br>This option will automatically disable UHCI USB when not in use, and may<br>save approximately 1 Watt of power.</blockquote><div><br>same here using a core 2 duo t7400 on fc6 x86_64
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