Chris Frederick wrote: > Can anybody explain how /proc/cpuinfo could report the wrong clock > speed on your processor? I did some tweaking on my laptop recently to > turn off power-saving because the cpu was reported at ~750Mhz on a P3 > 1.13Ghz. The power saving level in acpi was always set to C2 so I > hard coded the kernel source to always set C1. Upon reboot of the new > kernel, the clock speed was shown as ~320-340Mhz. But the machine was > still just as fast as always. I figured it was something I screwed > up, but I can check it now and it's back to 750Mhz. I would have left > it as a screwup on my part still, but on a whim I happened to check > the file on my gateway server, it also showed ~350Mhz, but it's a > 800Mhz Athlon, with no ACPI/APM/Trottling/etc at all. I also checked > an old HP laptop at work and it showed ~320Mhz, but it should be a P3 > 700Mhz. > > My server and laptop are both running vanilla kernels 2.6.7. The work > laptop is running 2.6.3. I know the /proc/cpuinfo reading is wrong, > there is simply no way a system running at ~300Mhz can play a 1.5Gig > DivX dvd-riped avi file at 1600x1200 res at full speed. I don't even > think Linux is THAT fast. > > Anyone got a clue on what could be causing these to be off? It's not > real important, like I said there's no change in the performance, but > I'm going to be getting some parts soon to build a dual Xeon cpu and > I'd like to see the dual cpu + hyperthreading specs so I can drool at > them. :) > > Thanks all > > Chris Frederick > > _______________________________________________ This is just a random brain fart as I'm tired and have some beers in me. I think it might be reporting the front side bus speed instead of the actuall CPU speed. Something along that line anyway, might have my terms confused this morning... RS -- Outgoing mail is certified Virus Free. Checked by AVG Anti-Virus (http://www.grisoft.com). Version: 7.0.262 / Virus Database: 264.7.6 - Release Date: 9/2/2004 _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota Help beta test TCLUG's potential new home: http://plone.mn-linux.org Got pictures for TCLUG? Beta test http://plone.mn-linux.org/gallery tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list