[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] cpu recognition
On Monday 28 November 2005 3:55 pm, Ian Pratt wrote: > > I am seeing a weird anomaly where Xen is correctly > > recognizing the speed of the cpu's in the box but Linux in > > Domain-0 is not. The cpu's are Intel Xeon 704x (dual core > > 3GHz, either 7040 - 667 MHz FSB - or 7041 - 800 MHz FSB). > > When I boot on a baremetal 2.6.12 Linux kernel it correctly > > identifies the chip speed. Has anyone seen this and is it a problem? > > Please can you try running the following in dom0: > > hwclock; date; sleep 10; hwclock; date Output is: Mon 28 Nov 2005 04:26:08 PM CST -0.454938 seconds Mon Nov 28 16:26:08 CST 2005 Mon 28 Nov 2005 04:26:19 PM CST -0.987975 seconds Mon Nov 28 16:26:19 CST 2005 > > Thanks, > Ian > > > xm info: > > > > system : Linux > > host : --- > > release : 2.6.12-xen0-smp > > version : #1 SMP Mon Nov 28 13:59:13 CST 2005 > > machine : x86_64 > > nr_cpus : 16 > > nr_nodes : 1 > > sockets_per_node : 4 > > cores_per_socket : 2 > > threads_per_core : 2 > > cpu_mhz : 3002 > > hw_caps : > > bfebfbff:20100800:00000000:00000080:000065bd:00000000:0 > > 0000001 > > memory : 16383 > > free_memory : 133 > > xen_major : 3 > > xen_minor : 0 > > xen_extra : -devel > > xen_caps : xen-3.0-x86_64 hvm-3.0-x86_64 > > platform_params : virt_start=0xffff800000000000 > > xen_changeset : Mon Nov 28 11:22:02 2005 > > 8090:243265ade4045314ee4170436 > > cc704afa > > cc_compiler : gcc version 4.0.0 20050519 (Red Hat 4.0.0-8) > > cc_compile_by : root > > cc_compile_domain : --- > > cc_compile_date : Mon Nov 28 13:56:08 CST 2005 > > > > /proc/cpuinfo: > > > > processor : 0 > > vendor_id : GenuineIntel > > cpu family : 15 > > model : 4 > > model name : Genuine Intel(R) CPU 3.00GHz > > stepping : 8 > > cpu MHz : 4222.844 > > cache size : 2048 KB > > physical id : 0 > > siblings : 4 > > core id : 0 > > cpu cores : 2 > > fpu : yes > > fpu_exception : yes > > cpuid level : 5 > > wp : yes > > flags : fpu vme de pse tsc msr pae mce cx8 apic sep > > mtrr pge mca > > cmov > > pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall > > nx lm constant_tsc pni monitor ds_cpl est tm2 cid cx16 xtpr lahf_lm > > bogomips : 8388.60 > > clflush size : 64 > > cache_alignment : 128 > > address sizes : 40 bits physical, 48 bits virtual > > power management: > > </snip> > > > > > > > > -- > > Karl Rister > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxxxxxxxx > > http://lists.xensource.com/xen-devel -- Karl Rister _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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