RE: [PATCH 0/2] cpufreq: ondemand: Eliminate the deadband effect

From: Doug Smythies
Date: Sat Jul 12 2014 - 11:45:35 EST

On 2014.07.30 10:00 Stratos Karafotis wrote:

> This patchset changes slightly the calculation of target frequency to
> eliminate the deadband effect (explained in patch 2 changelog) that it
> seems to slow down the CPU in low and medium loads.
> Patch 1 introduces a new relation (RELATION_C) for the next frequency
> selection, which chooses the closest frequency to target.
> Patch 2 is the actual change to ondemand governor.

> You may find graphs with the 'deadband' effect and benchmark results:

I did the same benchmark tests before (without) and after (with) this patch set on my i7-2600K system.
I added the results, which are similar to Stratos', under a new "benchmark" tab on the spreadsheet.

... Doug

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