On Mon, Sep 26, 2011 at 7:35 PM, Jani Monoses <[email protected]>wrote:
> > > On Mon, Sep 26, 2011 at 3:00 PM, Jani Monoses <[email protected]>wrote: > >> 10Z model with kernel built from current git (not a deb package install) >> and no modules loaded. >> >> 4294967296 bytes (4.3 GB) copied, 160.107 s, 26.8 MB/s >> 0.02user 24.74system 2:40.12elapsed 15%CPU >> >> I need to see why I have worse numbers with the .deb >> >> > So if I boot with a kernel and modules moved out of the /lib/modules path > so it cannot find them on boot, > the speed is 26/27 MB/s > > If I boot same kernel and allow modules to load (37 of them) the speed is > 16/17 MB/s . > Loading in all those modules in a kernel that started without them does not > affect the performance, it remains at 26Mb > > Loading them at boot seems to have an effect on how the system behaves > later. > > > blacklisting the ondemand_cpufreq governor does the trick. Not sure about the downsides but it is faster with it disabled :) possible more power used? Jani
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