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Old 05-06-2008, 05:26 AM   #1
manoj.linux
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Registered: Aug 2007
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Question Detailed Memory Utilization


Hi,

I want to known wheather any command is there which tell me complete usage of memory utilization.


I am using top command it is giving me % wise 25 to 26% memory usage,

But when I am using free -b command it is showing me 98% memory usage, But I want to know How can I come to know which process is utilizing more memory.

Any Third party utility which will display entire memory statistic.


Regards,

Manoj
 
Old 05-06-2008, 03:45 PM   #2
markseger
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Registered: Jul 2003
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Have you looked at collectl?

see - http://collectl.sourceforge.net/

Among may other things it will report quite a lot about memory. Here's one example but it may look kind of crappy with wrapping but you should get the general idea:

# MEMORY STATISTICS
#<------------------------Physical Memory-----------------------><-----------Swap----------><-Inactive-><Pages/sec>
# TOTAL USED FREE BUFF CACHED SLAB MAPPED COMMIT TOTAL USED FREE TOTAL IN OUT
3943M 1070M 2872M 158552K 591012K 127500K 53108K 82172K 4361M 0 4361M 524496K 0 0

But it is also capable of reporting slab allocation breakdowns which gives a much more detailed view of memory. Look at /proc/slabinfo and then allow you to save timestamped samples to a file or look at them interactively and you'll have some idea of what collectl can do with that type of data.

Of course you also get cpu, disk, network and a whole lot of other types of data as well...

-mark
 
  


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