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Linux profiler tools

Posted on 2010-08-28
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Last Modified: 2012-05-10
I would like to know if there are any good tools that can report file accesses on a linux OS such as ubuntu.

i need to know the files access along with file operations..  i would also like to know which files were accesses from the cache and which files are from disk. I need to be able to determine all the lower level operations.

thanks in advance.
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Question by:myship
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mcuk_storm earned 250 total points
ID: 33549426
you can use strace to attach onto a process to monitor activity:
strace -fF -p <pid> -e open

will attach onto a process and monitor it and anything it forks, and show file open activity.

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by:myship
ID: 33604760
would i be able to monitor what files are being accessed?
what files are in the cache?
...
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by:askb
askb earned 250 total points
ID: 33780958
If you want to use a separate program and get the syscall output, then strace as above should be good!

or

If you want to compile your program with a profiler:
http://www.cs.utah.edu/dept/old/texinfo/as/gprof.html
http://badgertronics.com/writings/gprof.html

or

If you want more details such as inode information with file cacheing or and diffirent on-disk strutures, you would find it out with debugfs.

Hope this helps!
 
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