On 05/03/14 16:59, Kevin Oberman wrote: > On Sat, May 3, 2014 at 1:25 PM, Adrian Chadd <adrian_at_freebsd.org> wrote: > >> Set it to the lowest available Cx state that you see in dev.cpu.0 . >> >> > Available is not required. Set it to C8. That guarantees that you will use > the lowest available. The correct incantation in rc.conf is "Cmax". > performance_cx_lowest="Cmax" > economy_cx_lowest="Cmax" > > But, unless you want laggy performance, you will probably also want: > hint.p4tcc.0.disabled=1 > hint.acpi_throttle.0.disabled=1 > in /boot/loader.conf. Low Cx states and TCC/throttling simply don't mix > well and TCC is not effective, as mentioned earlier in this thread. Is there any reason that TCC is on by default, actually? It seems like an anti-feature. -NathanReceived on Sat May 03 2014 - 23:07:38 UTC
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