Messages in this thread | | | Subject | Re: [ACPI] X86_PM_TIMER: /proc/cpuinfo doesn't get updated | From | john stultz <> | Date | Tue, 16 Mar 2004 15:32:30 -0800 |
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On Tue, 2004-03-16 at 15:19, Dmitry Torokhov wrote: > On Tuesday 16 March 2004 04:42 pm, Karol Kozimor wrote: > > Thus wrote Daniele Venzano: > > > > I have a notebook with an Athlon-M CPU. I tried linux 2.6.4 with > > > > CONFIG_X86_PM_TIMER=y and I noticed that /proc/cpuinfo doesn't get > > > > updated when I switch frequency (via sysfs, using powernow-k7). The is > > > > issue seems cosmetic only, CPU frequency changes (watching > > > > temperature/battery life). > > > I can confirm, I'm seeing the same behavior. Please note that the > > > bogomips count gets updated, it's only the frequency that doesn't > > > change. > > > > Same here with a P4-M, follow-up to John and Dmitry. > > Best regards, > > > > PM timer does not install CPUFREQ handler which would scale cpu_khz to > give proper display. I might cook up something later tonight.
Actually, the cpufreq handler is installed by an initcall regardless of which time-source is used. However as the handler changes a few TSC specific variables, it exits in timer_tsc.c.
I think the fix I just mailed should do the trick. Let me know if it doesn't.
thanks -john
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