>-----Original Message----- >From: linux-pm-bounces at lists.osdl.org [mailto:linux-pm-bounces at lists.osdl.org] On Behalf Of Pavel >Machek >Sent: Monday, July 24, 2006 10:30 AM >To: Eugeny S. Mints >Cc: Matthew Locke; Mochel, Patrick; linux-pm at lists.osdl.org; sampsa.fabritius at nokia.com; >linux at dominikbrodowski.net >Subject: Re: [linux-pm] [RFC] PowerOP Take 3, sysfs UI core 2/5 > >Hi! > >> A sysfs interface for PowerOP that allows operating points to be created >> and activated from userspace. >> >> The platform-specific backend provides the code to read and write sysfs >> attributes for each power parameter; the core sysfs interface has no >> knowledge of the struct powerop_point contents. This interface could be >> seen as possible extension of cpufreq sysfs. It is not >> an integral part of PowerOP and is provided in part to facilitate >> discussion and experimentation with PowerOP, but could serve as a basis >> for a basic userspace power policy management stack. >> >> Operating points are created by writing the name of the operating point >> to /sys/powerop/new. This may be a job for configfs. > >That looks quite ugly to do in sysfs, indeed. > >And it definitely needs some Documentation/ patch. But better run this >by lkml. It's too soon for that. --mgross
