Date: Sun, 03 Jul 2005 00:36:59 -0000 From: Nate Lawson <nate@root.org> To: Tobias Grosser <dady0815@web.de> Cc: acpi@freebsd.org, current@freebsd.org Subject: Re: patch: p4tcc and speedstep cpufreq drivers Message-ID: <421E40E6.9010804@root.org> In-Reply-To: <1108749117.981.1.camel@tobias.home.web-wahnsinn.de> References: <4213F066.2050708@root.org> <4214119B.2010909@telia.com> <421537E9.8050203@root.org> <1108749117.981.1.camel@tobias.home.web-wahnsinn.de>
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Tobias Grosser wrote: > with patch: "sysctl dev.cpu" > -------------------------------------------------------------------- > dev.cpu.0.%desc: ACPI CPU (3 Cx states) > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.CPU_ > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: -1 > -------------------------------------------------------------------- This should be fixed now in -current. > without patch: "sysctl dev.cpu" > -------------------------------------------------------------------- > dev.cpu.0.%desc: ACPI CPU (3 Cx states) > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.CPU_ > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: 1700 > dev.cpu.0.freq_levels: 1700/24500 1487/21437 1400/19500 1275/18375 > 1225/17062 12 00/16000 1062/15312 1000/13000 900/12000 875/12187 > 850/12250 800/9500 750/10000 700/9750 637/9187 600/6000 525/7312 > 500/6500 450/6000 425/6125 400/4750 375/4875 350/4875 300/4000 250/3250 > 212/3062 175/2437 150/2000 125/1625 100/1187 75/750 > -------------------------------------------------------------------- > > 3. Since always my CPU gets different numbers of Cx states, if connected > to power during boot or not. 3 states with power 4 without. The number > of the states doesn't change, if I plug or unplug the power connection. That is a function of the BIOS. It decides what states you get at various times. The acpi_perf driver should successfully adjust when things change at runtime. The other drivers have no way of knowing. > 4. One question. Under Windows my battery should reach about 4.7 hrs > under FBSD i reached about 3 hrs with est. Will your new patches change > the BSD values? I don't know but things should be getting better. -- Nate _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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