Date: Mon, 11 Feb 2008 20:34:03 +0000 From: Rui Paulo <rpaulo@fnop.net> To: Jason Morgan <jwm-freebsd-amd64@sentinelchicken.net> Cc: freebsd-amd64@freebsd.org Subject: Re: CFT: k8temp driver Message-ID: <43B6638B-D4F7-4142-A2EB-E724148E7589@fnop.net> In-Reply-To: <20080210192916.GD46810@sentinelchicken.net> References: <A611E395-3531-4026-B8B3-5EFA72BA48E1@FreeBSD.org> <20080210192916.GD46810@sentinelchicken.net>
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On Feb 10, 2008, at 7:29 PM, Jason Morgan wrote: > On Sun, Feb 10, 2008 at 03:59:04PM +0000, Rui Paulo wrote: >> Hi, >> Some AMD systems have two thermal sensors on both cores. I wrote a >> simple >> driver to access these temperatures, but I don't have a system to >> test. If >> anyone has a AMD K8 system, I would love if you could test the k8temp >> driver that I wrote based on the Linux one. >> >> Get it at: >> http://people.freebsd.org/~rpaulo/k8temp.tgz >> >> Compile/test with: >> $ tar xzvf k8temp.tgz && cd k8temp >> $ make SYSDIR=/path/to/src/sys >> # kldload ./k8temp.ko >> >> This is still pre-alpha quality, so please don't use it on a >> production >> system. >> >> Thanks in advance. > > # uname -a > FreeBSD numbuscus.skepsi.net 7.0-RC1 FreeBSD 7.0-RC1 #2: Wed Feb 6 > 21:50:29 EST 2008 > root@numbuscus.skepsi.net:/usr/obj/usr/src/sys/NUMBUSCUS.smp amd64 > > # dmesg > CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (2500.11-MHz > K8-class CPU) > Origin = "AuthenticAMD" Id = 0x60fb1 Stepping = 1 > Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP, > MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX, > FXSR,SSE,SSE2,HTT> > Features2=0x2001<SSE3,CX16> > AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+, > 3DNow!> > AMD Features2=0x11f<LAHF,CMP,SVM,ExtAPIC,CR8,Prefetch> > Cores per package: 2 > > # sysctl -a | grep k8temp > k8temp0: <AMD K8 Thermal Sensors> on hostb3 > k8temp0: 15 7 5 -11 > dev.k8temp.0.%desc: AMD K8 Thermal Sensors > dev.k8temp.0.%driver: k8temp > dev.k8temp.0.%parent: hostb3 > dev.k8temp.0.sensor0.core0: 15 > dev.k8temp.0.sensor0.core1: 8 > dev.k8temp.0.sensor1.core0: 15 > dev.k8temp.0.sensor1.core1: 15 Hmm, this seems low. Are you using any kind of super thermal cooling like water cooling systems? Regards. -- Rui Paulo
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