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1
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2answers
51 views

/sys/kernel/debug/tracing/per_cpu shows way more cpus than I have

I have 8 logical CPUs in my linux box. (As seen from /proc/cpuinfo). When I look in /sys/kernel/debug/tracing/per_cpu it shows 32 CPUs. Why the difference? If it matters, I have hyperthreading ...
0
votes
1answer
131 views

Is it good to set cpufreq as high as possible all the time?

Originally this question was about why I have cpuinfo mhz of 1400 when I purchased a 2300 mhz server cpu. With the help of HBruijn (thx!) and using cpufreq-info tools I found out my real specs: ...
2
votes
1answer
164 views

FreeBSD CPU serial number

I trying to read out CPU serial number information from a server which has FreeBSD. I tried these with no effort: sysctl dmesg cpucontrol These utility is not exists on the system: Dmidecode ...
-1
votes
1answer
195 views

We have Solaris 10 VM in KVM (ProxmoxVE) how to check if Solaris is using all cores?

I'm trying to figure out is VM Solaris 10 (which is virtualized with KVM on ProxmoxVE) using all allocated CPUs? Host HW is Dell poweredge r720. And find a way how to check that for example gzip on ...
0
votes
3answers
144 views

Core temperatures 10 degrees higher in one CPU than another, is this cause for concern? [closed]

We have a new Dell server with a pair of 6-core Xeon 2620s for a total of 12 cores. Using Speedfan/HW Monitor, I notice that the cores associated with one of the CPUs run about 10 degrees hotter ...
1
vote
1answer
314 views

Linux - incorrect Idle time values from /proc/uptime

I am curious as to why I am getting an incorrect Idle Time from the /proc/uptime on my server. Output of cat /proc/uptime from my server: $> cat /proc/uptime: 1218960.08 15958635.85 $> ...
5
votes
4answers
2k views

Why does /proc/cpuinfo show contradicting processor speeds?

On a system running Gentoo Linux (3.1.6, x86_64), I have two six-core Intel Xeon CPUs (X5675). cat /proc/cpuinfo correctly shows me 12 processors. However, I don't understand why the processor speed ...
1
vote
1answer
419 views

Understanding CPU related output displayed by lshw

I am trying to understand the meaning of some of the CPU related output provided by lshw. $ sudo lshw -class processor *-cpu description: CPU product: Intel(R) ...
0
votes
0answers
120 views

Interpreting cpuinfo output

There is one server with Xeon 5690 and the output of /proc/cpuinfo is: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 44 model name : Intel(R) Xeon(R) ...
1
vote
2answers
307 views

What is cpuinfo telling me?

On my current server, when I do cat /proc/cpuinfo, I get: E3-1230 @ 3.2ghz / 1600mhz and there are 8 of these. Does this mean there are 2x quad core processors? I've looked everywhere and I'm not ...
4
votes
1answer
599 views

Difference between Processors and CPU core

can any one please clarify the difference between actual no of processors and CPU cores. in my case i am having Intel Xeon® Processor E5620 as per intels product page: its having # of Cores 4 # of ...
1
vote
1answer
352 views

CPU frequency shows different numbers from time to time

I have a web server with CentOS 5.8. My hosting provider says that I have e6600 with 2.4GHZ. I tried the following and I get different clock speeds each time. Is my CPU underclocked? cat ...
2
votes
2answers
305 views

/proc/cpuinfo fails to detect CPU model name

We have a server which has four Intel Xeon E7 4860 CPU. Strangely, the model name in /proc/cpuinfo contains a 000 string instead of E4860. Incorrect model name: model name : Genuine Intel(R) CPU ...
1
vote
2answers
535 views

interpreting cpuinfo

I have to figure out what kind of cpu my HS20 have. Its /proc/cpuinfo output is below. Is that mean It has two IntelXeon units with two cores each ? processor : 0 vendor_id : GenuineIntel ...
2
votes
1answer
181 views

Processors with the same id,why?

Here's the output of cat /proc/cpuinfo: processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 2 model name : Quad-Core AMD Opteron(tm) Processor 2350 HE stepping : 3 cpu MHz ...
1
vote
2answers
548 views

What is hlt_bug?

I see it mentioned from time to time when the kernel checks the CPUs. I suppose it's some kind of hardware bug of the CPU related to the HLT instruction, but I can't find any information about this. ...
5
votes
2answers
933 views

Why /proc/cpuinfo shows different flags for cores on the same cpu?

cat /proc/cpuinfo on my system gives me different flags for my 2 cores. Can someone explains to me why? I'm running Ubuntu 10.10 kernel 2.6.35-24-generic. processor : 0 vendor_id : ...
2
votes
3answers
1k views

How do I count the number of processors on an OpenBSD system?

How can I determine the number of CPUs on an OpenBSD system, using either system tools or C code? The technique I know of to count CPUs on other BSD platforms -- checking /var/run/dmesg.boot for ...
2
votes
2answers
296 views

Dmesg and cpuinfo MHz differencies

I can see different values of CPU MHz here: cat /proc/cpuinfo model name : Intel(R) Xeon(R) CPU E3110 @ 3.00GHz stepping : 6 cpu MHz : 2000.000 Model say 3GHz and cpu ...
3
votes
2answers
595 views

How to know if the processor is 64bit capable or not?

Is there any straight forward say ? I am running the 32bit version of Kubuntu. Here is my cpuinfo. processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model ...
6
votes
3answers
2k views

Output of /proc/cpuinfo, 2 entries for each core?

Please help me understand the output of /proc/cpuinfo. My new server has dual quad cores. /proc/cpuinfo has two entries for each core (a total of 16 entries): processor : 9 vendor_id : ...