Date: Mon, 14 Feb 2005 10:33:05 -0800 From: Nate Lawson <nate@root.org> To: Jiawei Ye <leafy7382@gmail.com> Cc: current@freebsd.org Subject: Re: HEADSUP: cpufreq import complete, acpi_throttling changed Message-ID: <4210EEE1.8090802@root.org> In-Reply-To: <c21e92e205021409243caeeee3@mail.gmail.com> References: <20050213231306.376E05D07@ptavv.es.net> <420FE3C7.6020003@root.org> <20050214152319.bqxon1xk0g008s4k@netchild.homeip.net> <c21e92e205021407184fe399f8@mail.gmail.com> <4210D155.6080706@root.org> <c21e92e205021409243caeeee3@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Jiawei Ye wrote: > On Mon, 14 Feb 2005 08:27:01 -0800, Nate Lawson <nate@root.org> wrote: > >>Jiawei Ye wrote: >>cpufreq et al don't fully support unloading yet. >> >>-- >>Nate >> > > I've got it working, but the available frequencies seem to drift: > root@chihiro:/home/leafy# sysctl dev.cpu > dev.cpu.0.%desc: ACPI CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.CPU1 > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: 1819 > dev.cpu.0.freq_levels: 2355/0 2060/0 1766/0 1471/0 1177/0 883/0 588/0 294/0 > root@chihiro:/home/leafy# sysctl dev.cpu > dev.cpu.0.%desc: ACPI CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.CPU1 > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: 1819 > dev.cpu.0.freq_levels: 1821/0 1593/0 1365/0 1138/0 910/0 682/0 455/0 227/0 Thanks. This is a bug in how we handle relative-only systems (i.e., just acpi_throttle and no other driver). I'll work on a fix. The only effect is that the values look incorrect due to a calibration error. Actually using them should work properly. -- Nate
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4210EEE1.8090802>