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obsdfreqd: new -T flag for temperature

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Solene Rapenne 2022-03-21 13:22:01 +01:00
parent d285ca88ee
commit faa645b825
2 changed files with 10 additions and 1 deletions
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5
README.md
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@ -32,10 +32,11 @@ Parameters are applied when both plugged on the wall or on battery, parameters c
- `-r threshold` sets the CPU usage in % that will trigger the frequency increase, 30% is the default
- `-s stepfrequency` sets the percent of frequency added every cycle when increasing, 10% is default
- `-t timefreq` sets the milliseconds between each poll, 300 is the default
- `-T maxtemperature` sets the temperature threshold under which the maximum frequency will be temporary lowered until the CPU cools down
**Example**:
`obsdfreqd -m 100,50 -r 40` will start the daemon, when power is plugged in, maximum frequency is 100 and threshold is 40, on battery the threshold is 40 and the max is 50.
`obsdfreqd -T 90,65` will start the daemon, when power is plugged in, maximum temperature is set to 90°C and 65°C when on battery.
# Explanation
@ -45,6 +46,8 @@ If CPU usage > `threshold`, increase frequency by `stepfrequency` up to `maxfreq
If CPU usage <= `threshold`, reduce frequency by `downstepfrequency` down to `minfrequency` every `timefreq` milliseconds when `inertia` reached 0. `inertia` lose one point every cycle the CPU usage is below `threshold`.
When flag `-T` is used, if the temperature exceeds the defined limit, the `maxfrequency` is decremented every cycle. When the current temperature is below the limit, the frequency limit is incremented at every cycle.
When switching from/to battery, values switch to mode specific when user defined.
# What is it doing?

6
obsdfreqd.1
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@ -15,6 +15,7 @@
.Op Fl r Ar threshold
.Op Fl s Ar stepfrequency
.Op Fl t Ar timefreq
.Op Fl T Ar maxtemperature
.Sh DESCRIPTION
.Pp
.Nm
@ -46,6 +47,11 @@ Defines the CPU usage in percent above which the frequency is increased.
Defines the frequency increase step in percent.
.It Op Fl t Ar timefreq
Defines the time in milliseconds between each cycle.
.It Op Fl T Ar maxtemperature
Defines the maximum temperature in Celcius
.Nm
will allow before lowering the maximum frequency until it the temperature
cooled down.
.Ed
.Sh EXIT STATUS
.Pp