On Mon, May 16, 2016 at 9:21 PM, Robert Campbell <r...@robert-campbell.com> wrote: > The release notes for 5.7 included under the assorted improvements this > line item: > > "Frequency scaling has been moved from apmd(8) to the kernel with an > improved algorithm." > > Does this mean my CPU's frequency is being scaled automatically? Is there > any reason to run apud -A for example? I'm a little confused because > running apm with near idle CPU load always shows: > > Performance adjustment mode: manual (<<my CPU max freq>> MHz) > > When I do run apmd -A however, it does appear to scale the frequency > correctly: > > Performance adjustment mode: auto (<<my CPU min freq>> MHz) > > What's going on here?
Using "apmd -A" is equivalent to setting hw.perfpolicy=auto with sysctl: # sysctl hw.perfpolicy=auto Ciao! David -- "If you try a few times and give up, you'll never get there. But if you keep at it... There's a lot of problems in the world which can really be solved by applying two or three times the persistence that other people will." -- Stewart Nelson