Messages in this thread |  | | Subject | Re: how to get cpu_khz? | Date | Mon, 17 Sep 2001 22:26:09 +0100 (BST) | From | Alan Cox <> |
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> > calculated at boot time (that's where /proc/cpuinfo gets its data) and > > that variable doesn't appear to be exported to the rest of the kernel, > > either that or I'm just missing something, which I would rather be the > > case at this point. > > > > Ask Alan to export it by default. If no-go, export it in your > configuration.
Processor speed from cpu_khz is not a constant, it varies per processor on split multiplier SMP and it varies on certain kinds of power management. For delays we have udelay(). That has a chance of supporting speed changes - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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