The following reply was made to PR i386/135447; it has been noted by GNATS.
From: Dmitry Kubov <d...@garant.ru> To: Andriy Gapon <a...@freebsd.org> Cc: j...@freebsd.org, bru...@freebsd.org, bug-follo...@freebsd.org Subject: Re: i386/135447: [i386] [request] Intel Core i7 and Nehalem-EP new features not supported Date: Mon, 20 Sep 2010 18:54:41 +0400 >> Change is 7.2 upgraded to 8.1 > Great! That was a wise decision on your part. > But you should have told us/me that (e.g. followed up to your own PR). > OK, now you can enable use of lower Cx states via hw.acpi.cpu.cx_lowest > sysctl and > the PR can be closed. Well, #sysctl hw.acpi.cpu.cx_lowest="C3" hw.acpi.cpu.cx_lowest: C1 -> C3 few minutes later top statistics last pid: 90967; load averages: 3.91, 3.32, 2.32 up 15+21:14:21 18:52:30 86 processes: 5 running, 81 sleeping CPU: 43.8% user, 0.0% nice, 3.3% system, 0.1% interrupt, 52.7% idle # sysctl dev.cpu dev.cpu.0.%desc: ACPI CPU dev.cpu.0.%driver: cpu dev.cpu.0.%location: handle=\_PR_.P001 dev.cpu.0.%pnpinfo: _HID=none _UID=0 dev.cpu.0.%parent: acpi0 dev.cpu.0.freq: 2934 dev.cpu.0.freq_levels: 2934/105000 2800/82000 2667/71000 2533/64000 2400/55000 2 267/48000 2133/41000 2000/36000 1867/31000 1733/27000 1600/23000 1400/20125 1200/17250 1000/14375 800/11500 600/8625 400/5750 200/2875 dev.cpu.0.cx_supported: C1/3 C2/205 C3/245 dev.cpu.0.cx_lowest: C3 dev.cpu.0.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.1.%desc: ACPI CPU dev.cpu.1.%driver: cpu dev.cpu.1.%location: handle=\_PR_.P002 dev.cpu.1.%pnpinfo: _HID=none _UID=0 dev.cpu.1.%parent: acpi0 dev.cpu.1.cx_supported: C1/3 C2/205 C3/245 dev.cpu.1.cx_lowest: C3 dev.cpu.1.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.2.%desc: ACPI CPU dev.cpu.2.%driver: cpu dev.cpu.2.%location: handle=\_PR_.P003 dev.cpu.2.%pnpinfo: _HID=none _UID=0 dev.cpu.2.%parent: acpi0 dev.cpu.2.cx_supported: C1/3 C2/205 C3/245 dev.cpu.2.cx_lowest: C3 dev.cpu.2.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.3.%desc: ACPI CPU dev.cpu.3.%driver: cpu dev.cpu.3.%location: handle=\_PR_.P004 dev.cpu.3.%pnpinfo: _HID=none _UID=0 dev.cpu.3.%parent: acpi0 dev.cpu.3.cx_supported: C1/3 C2/205 C3/245 dev.cpu.3.cx_lowest: C3 dev.cpu.3.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.4.%desc: ACPI CPU dev.cpu.4.%driver: cpu dev.cpu.4.%location: handle=\_PR_.P005 dev.cpu.4.%pnpinfo: _HID=none _UID=0 dev.cpu.4.%parent: acpi0 dev.cpu.4.cx_supported: C1/3 C2/205 C3/245 dev.cpu.4.cx_lowest: C3 dev.cpu.4.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.5.%desc: ACPI CPU dev.cpu.5.%driver: cpu dev.cpu.5.%location: handle=\_PR_.P006 dev.cpu.5.%pnpinfo: _HID=none _UID=0 dev.cpu.5.%parent: acpi0 dev.cpu.5.cx_supported: C1/3 C2/205 C3/245 dev.cpu.5.cx_lowest: C3 dev.cpu.5.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.6.%desc: ACPI CPU dev.cpu.6.%driver: cpu dev.cpu.6.%location: handle=\_PR_.P007 dev.cpu.6.%pnpinfo: _HID=none _UID=0 dev.cpu.6.%parent: acpi0 dev.cpu.6.cx_supported: C1/3 C2/205 C3/245 dev.cpu.6.cx_lowest: C3 dev.cpu.6.cx_usage: 100.00% 0.00% 0.00% last 500us dev.cpu.7.%desc: ACPI CPU dev.cpu.7.%driver: cpu dev.cpu.7.%location: handle=\_PR_.P008 dev.cpu.7.%pnpinfo: _HID=none _UID=0 dev.cpu.7.%parent: acpi0 dev.cpu.7.cx_supported: C1/3 C2/205 C3/245 dev.cpu.7.cx_lowest: C3 dev.cpu.7.cx_usage: 100.00% 0.00% 0.00% last 500us C2/C3 not used at all _______________________________________________ freebsd-acpi@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "freebsd-acpi-unsubscr...@freebsd.org"
