Re: [PATCH] cpufreq: Governor poll frequency tuneables exported inconfig.

[Ãric Piel]

Mike Chan schreef:
>     cpufreq: Governor poll frequency tuneables exported in config.
>     
Hello,

> +config CPU_FREQ_MIN_TICKS
> +	int "Ticks between governor polling interval."
> +	default 10
> +	help
> +	  Minimum number of ticks between polling interval for governors.
I don't think it makes much sense to let anyone tune this parameter.
This is a constant that says we need at least a 10% granularity to
compute any statistic correctly. There is nothing much to be discussed
or tuned.


> +config CPU_FREQ_SAMPLING_LATENCY_MULTIPLIER
> +	int "Sampling rate multiplier for governors."
> +	default 1000
> +	help
> +	  Sampling latency rate multiplied by the cpu switch latency.
> +	  Affects governor polling.
This one, why not (although I don't think it's worth neither), and it
would need a better documentation.

Eric

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/