[Bug 279414] New: Dual 2 Core running on the same freqency on both CPUs
https://bugzilla.novell.com/show_bug.cgi?id=279414 Summary: Dual 2 Core running on the same freqency on both CPUs Product: openSUSE 10.2 Version: Final Platform: x86-64 OS/Version: openSUSE 10.2 Status: NEW Severity: Normal Priority: P5 - None Component: Basesystem AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: ffiene@veka.com QAContact: qa@suse.de I am wondering about the frequency of my Dual 2 Core CPU. If im looking for this in kpowersave, i see every time the same frequency. How can i test, if different frequencies are possible? How can i test CPU Utilization on both CPUs? I feel that my CPU is running only as a Hyperthreaded CPU not as a dual core! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
https://bugzilla.novell.com/show_bug.cgi?id=279414 ------- Comment #1 from ffiene@veka.com 2007-05-31 03:00 MST ------- Sorry, i meant same frequency on both CPUs on the core! So if there is one task with high CPU load, both CPUs are running on 2GHz. My system is a Thinkpad Z61p with a T7200 CPU! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
https://bugzilla.novell.com/show_bug.cgi?id=279414 ffiene@veka.com changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|Normal |Major ------- Comment #2 from ffiene@veka.com 2007-06-02 04:35 MST ------- cpufre-info says: CPUs which need to switch frequency at the same time: 0 1 OK, what the hell is going on here, i've bought a laptop with an T7200 Dual Core CPU!? Is there another CPU installed? But "cat /proc/cpuinfo": processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping : 6 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 10 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 vmx est tm2 cx16 xtpr lahf_lm bogomips : 3995.88 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping : 6 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 10 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 vmx est tm2 cx16 xtpr lahf_lm bogomips : 3990.12 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: HELP!!!!!! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
https://bugzilla.novell.com/show_bug.cgi?id=279414 ffiene@veka.com changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P1 - Urgent -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
https://bugzilla.novell.com/show_bug.cgi?id=279414 chrubis@novell.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |chrubis@novell.com AssignedTo|bnc-team- |kernel-maintainers@forge.provo.novell.com |screening@forge.provo.novell| |.com | ------- Comment #3 from chrubis@novell.com 2007-06-05 07:31 MST ------- Dual core processors as far as I know have two independent processor cores in one chip ( IMHO it share only bus and some cache ) so that two processors from cat /proc/cpuinfo are pretty normal. Moving to kernel maintainers to answer better. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
https://bugzilla.novell.com/show_bug.cgi?id=279414 jeffm@novell.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |WORKSFORME ------- Comment #4 from jeffm@novell.com 2007-06-05 12:24 MST ------- Is there a question here? Cyril is correct, what you're seeing is entirely normal. My Core 2 Duo system's /proc/cpuinfo produces similar results. As far as the process scheduler is concerned, there are two separate CPUs. Since they're on one core, though, the frequency must be the same on both. Closing as WORKSFORME. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
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