LinuxQuestions.org
Visit Jeremy's Blog.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Newbie
User Name
Password
Linux - Newbie This Linux forum is for members that are new to Linux.
Just starting out and have a question? If it is not in the man pages or the how-to's this is the place!

Notices


Reply
  Search this Thread
Old 02-10-2010, 11:22 AM   #1
mokku
Member
 
Registered: Feb 2007
Posts: 197

Rep: Reputation: 30
linux SMP question


If I have SMP kernel would it work with single processor or only work with multiple processors system?
 
Old 02-10-2010, 11:23 AM   #2
irmin
Member
 
Registered: Jan 2010
Location: the universe
Distribution: Slackware (modified), Slackware64 (modified), openSuSE (modified)
Posts: 342

Rep: Reputation: 62
It should work on not too old single processor systems too.
 
Old 02-10-2010, 11:38 AM   #3
mokku
Member
 
Registered: Feb 2007
Posts: 197

Original Poster
Rep: Reputation: 30
Thank you how about other way, if I have multiple processors and IF I loand singe cpu kernel? Would it only detect one cpu?
 
Old 02-10-2010, 11:50 AM   #4
Tinkster
Moderator
 
Registered: Apr 2002
Location: in a fallen world
Distribution: slackware by choice, others too :} ... android.
Posts: 23,066
Blog Entries: 11

Rep: Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910
Yes.
 
Old 02-10-2010, 11:52 AM   #5
mokku
Member
 
Registered: Feb 2007
Posts: 197

Original Poster
Rep: Reputation: 30
There is a quad core processor loaded with SMP kernel, but is shows as 8 processors. Isn't is suppose to be 4 processors?

Thanks in advance
 
Old 02-10-2010, 11:55 AM   #6
Tinkster
Moderator
 
Registered: Apr 2002
Location: in a fallen world
Distribution: slackware by choice, others too :} ... android.
Posts: 23,066
Blog Entries: 11

Rep: Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910Reputation: 910
If it is one quadcore, yes.
 
Old 02-10-2010, 11:58 AM   #7
irmin
Member
 
Registered: Jan 2010
Location: the universe
Distribution: Slackware (modified), Slackware64 (modified), openSuSE (modified)
Posts: 342

Rep: Reputation: 62
Can you post /proc/cpuinfo? If the cpu supports hyperthreading, each hyperthread will be shown as a single processor.
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
Unable to get a core-dump of a child process on Linux 2.6.5-7.316-smp #1 SMP system ravisan Linux - General 0 08-21-2009 06:45 AM
Question concerning 2.6.24.5-smp trillobyte Slackware 9 08-07-2008 09:27 PM
A little question about SMP synchronization queuebil Programming 2 10-01-2006 04:59 AM
Re:Simple smp question MunCH Slackware 3 06-23-2004 03:48 AM
SMP box question icel0rd Linux - Hardware 3 10-19-2002 01:41 AM


All times are GMT -5. The time now is 04:43 AM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration