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[CPUFREQ] ondemand/conservative: deprecate sampling_rate{min,max}

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The same info can be obtained via the transition_latency sysfs file

Signed-off-by: Thomas Renninger <[email protected]>
Signed-off-by: Dave Jones <[email protected]>
This commit is contained in:
Thomas Renninger 2009-02-04 11:54:04 +01:00 • committed by Dave Jones
commit 9411b4ef7f
3 changed files with 40 additions and 2 deletions
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10
Documentation/cpu-freq/governors.txt
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@ -119,8 +119,14 @@ want the kernel to look at the CPU usage and to make decisions on
what to do about the frequency. Typically this is set to values of
around '10000' or more.
show_sampling_rate_(min|max): the minimum and maximum sampling rates
available that you may set 'sampling_rate' to.
show_sampling_rate_(min|max): THIS INTERFACE IS DEPRECATED, DON'T USE IT.
You can use wider ranges now and the general
cpuinfo_transition_latency variable (cmp. with user-guide.txt) can be
used to obtain exactly the same info:
show_sampling_rate_min = transtition_latency * 500 / 1000
show_sampling_rate_max = transtition_latency * 500000 / 1000
(divided by 1000 is to illustrate that sampling rate is in us and
transition latency is exported ns).
up_threshold: defines what the average CPU usage between the samplings
of 'sampling_rate' needs to be for the kernel to make a decision on