cpuinfo is a virtual file located in the /proc filesystem. When accessed, it provides real-time information both about unchanging hardware characteristics of the CPU, and about how it is currently running (most notably, what clock speed it or each of its cores is at).

learn more… | top users | synonyms

0
votes
1answer
36 views

My CPU clock speed is changing constantly. Is it normal?

I am running Ubuntu 14.04 on my laptop, and whenever I run cat /proc/cpuinfo | grep "MHz" I get varying speeds. I thought that clockspeed is a fixed property, which can be under clocked or ...
1
vote
1answer
31 views

KVM installation & Prerequisite

Before Installation of KVM we have to check our processor support visualization or not and we run a command i.e: egrep -c '(vmx|svm)' /proc/cpuinfo Which gives output 0/1/2/3/4 depends on processor ...
2
votes
1answer
198 views

System Monitor showing incorrect number of CPUs

I'm currently running Ubuntu 14.04.2 Desktop. The System Monitor tool is showing me 32 CPUs when I'm expecting 56. Should I be concerned? Screenshot of System Monitor: As you can see, it shows 32 ...
0
votes
1answer
773 views

AMD APU-A4-5000 processor issue

I have recently installed Ubuntu 14.04 on my Toshiba Satellite C50D-A 40010 Laptop (PSCGYG-00J00J). My AMD A4 processor's speed is 1.5GHz but Ubuntu shows it as 800MHz. dharmesh@home:~$ cat ...
7
votes
1answer
2k views

Does my computer have 1 or 2 CPUs? (cpuinfo and lscpu differ)

When I run cat /proc/cpuinfo I get the following output (only the relevant line included): cpu cores: 1 However, lscpu gives me the following output: CPU(s): 2 Which of the two is correct, and ...
2
votes
1answer
360 views

Why does /proc/cpuinfo say “cpu cores: 2” on an AMD FX-4100 Quad-Core Processor

I'm trying to figure out how to interpret my /proc/cpuinfo. I've got an AMD FX-4100 quad-core and cpuinfo gives, as it should, 1 'physical id', 4 'core id's and 4 'siblings', but why does 'cpu cores' ...
1
vote
1answer
847 views

Minimum and maximum cpu frequency are equal

I just noticed my laptop stared working considerably slower. I am using an updated 13.04, though the issue did not start right after the upgrade. After tracking down the issue I noticed that both ...
2
votes
0answers
609 views

Screenlets RingSensors has to many CPU sensors, what are they?

I just installed screenlets to get some onscreen information about my system. I'm trying the RingSensors screenlet to monitor cpu load, but there are more sensors available to monitor than I'd expect. ...
2
votes
1answer
280 views

Power USB at certain CPU temperature

I have an unusual server set-up. Basically, I have a combination of salvaged parts from 3 Powerbook G4s running a non-graphical distribution of lubuntu. Problem is, I'm better with hardware than the ...
4
votes
2answers
2k views

Ubuntu System monitor shows 4 cpu while I have 2 cores

Acording to my laptop website and intel website, my CPU is Intel i5-2410M Processor Number i5-2410M Cores 2 Threads 4 Clock Speed 2.3 GHz Max Turbo Frequency 2.9 GHz so I have two cores, but ...
1
vote
1answer
380 views

Request about description regarding cpuinfo [closed]

Hi we all know that cat /proc/cpuinfo will provide us , but my request is i want to know the description about all the fields over there . I am giving you my PC information here. I think its not off ...