From: Erik Slagter <erik@slagter.name>
To: cpufreq@www.linux.org.uk
Subject: Re: [PATCH] acpi-cpufreq: Use IA32_APERF and IA32_MPERF and get freq feedback from hardware
Date: Mon, 25 Sep 2006 15:14:16 +0200 [thread overview]
Message-ID: <4517D628.4090100@slagter.name> (raw)
In-Reply-To: <20060922172824.B811@unix-os.sc.intel.com>
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Venkatesh Pallipadi wrote:
>
> Enable ondemand governor and acpi-cpufreq to use IA32_APERF and IA32_MPERF MSR
> to get active frequency feedback for the last sampling interval. This will
> make ondemand take right frequency decisions when hardware coordination of
> frequency is going on.
Does this mean there is actually no real clean approach to determine the
current cpu speed?
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next prev parent reply other threads:[~2006-09-25 13:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-23 0:28 [PATCH] acpi-cpufreq: Use IA32_APERF and IA32_MPERF and get freq feedback from hardware Venkatesh Pallipadi
2006-09-25 13:14 ` Erik Slagter [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-09-25 14:41 Pallipadi, Venkatesh
2006-09-25 16:02 ` Erik Slagter
2006-09-25 16:36 Pallipadi, Venkatesh
2006-09-25 19:07 ` Erik Slagter
2006-10-02 23:03 ` Dominik Brodowski
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