On Sat 2014-06-21 14:22:59, Ilia Mirkin wrote: > On Sat, Jun 21, 2014 at 2:02 PM, Pavel Machek <pavel@xxxxxx> wrote: > > Hi! > > > > AFAICT, pstate file will contain something like > > > > 07: core 100 MHz memory 123 MHz * > > 08: core 100-200 MHz memory 123 MHz > > > > ...which does not look exactly like one-value-per-file, and I'm pretty > > sure userspace will get it wrong if it tries to parse it. Plus, I > > don't see required documentation in Documentation/ABI. ... > > FTR, this file has been in place since 3.13, and there was a different > file before it (performance_levels), with a comparable format since > much earlier (definitely 3.8, probably earlier). I think it's meant > a According to the article, it is only starting to work now. I know articles can be wrong, but I don't have that hardware... Sorry if it is the case. > lot more for people looking at it and echo'ing stuff to it to modify > the levels (where supported), than for programs parsing it. Perhaps > sysfs is the wrong place for this -- what is the right place? debugfs? debugfs would work, yes. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
