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[CPUFREQ] update Doc for cpuinfo_cur_freq and scaling_cur_freq

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I think the way "cpuinfo_cur_info" and "scaling_cur_info" are defined under
./Documentation/cpu-freq/user-guide.txt can be enhanced. Currently, they are
both defined the same way: "Current speed/frequency" of the CPU, in KHz".

Below is a patch that distinguishes one from the other.

Regards,
- naga -

-----------------------------------------
Update description for "cpuinfo_cur_freq" and "scaling_cur_freq".

Some of the wording is drawn from comments found in
./drivers/cpufreq/cpufreq.c: cpufreq_out_of_sync():

 *      @old_freq: CPU frequency the kernel thinks the CPU runs at
 *      @new_freq: CPU frequency the CPU actually runs at

Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Naga Chumbalkar 2009-06-29 19:53:41 +00:00 committed by Dave Jones
parent ce6c3997c2
commit da470db16c
1 changed files with 7 additions and 2 deletions
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9
Documentation/cpu-freq/user-guide.txt
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@ -176,7 +176,9 @@ scaling_governor, and by "echoing" the name of another
work on some specific architectures or
processors.
cpuinfo_cur_freq : Current speed of the CPU, in KHz.
cpuinfo_cur_freq : Current frequency of the CPU as obtained from
the hardware, in KHz. This is the frequency
the CPU actually runs at.
scaling_available_frequencies : List of available frequencies, in KHz.
@ -196,7 +198,10 @@ related_cpus : List of CPUs that need some sort of frequency
scaling_driver : Hardware driver for cpufreq.
scaling_cur_freq : Current frequency of the CPU, in KHz.
scaling_cur_freq : Current frequency of the CPU as determined by
the governor and cpufreq core, in KHz. This is
the frequency the kernel thinks the CPU runs
at.
If you have selected the "userspace" governor which allows you to
set the CPU operating frequency to a specific value, you can read out