====== fs_mark ======
---- dataentry benchmark ----
name           : fs_mark
layers_ttags     : POSIX
features_ttags : metadata
parallel_ttags : sequential
type_ttags     : synthetic
license_ttag   : GPLv2
webpage_url    : https://sourceforge.net/projects/fsmark/
----

Fs_mark is a benchmark designed to test your filesystem. It lets you test multible creations and writes of files across different directories and drives. 

===== Usage =====

One way of running fs_mark looks like this: <code>./fs_mark -d testdir -s 1048576 -n 1024 -t 4 -v</code>

  * ''-d'' lets you specify the directories you want to test
  * ''-s'' size of the files
  * ''-n'' number of files
  * ''-t'' number of threads
  * ''-v'' verbose output
===== Example Output =====
Running fs_mark like above will lead to a result like this one:
<code>
#  ./fs_mark  -d  testdir  -s  1048576  -n  1024  -t  4  -v 
#       Version 3.3, 4 thread(s) starting at Tue May 30 11:35:51 2017
#       Sync method: INBAND FSYNC: fsync() per file in write loop.
#       Directories:  no subdirectories used
#       File names: 40 bytes long, (16 initial bytes of time stamp with 24 random bytes at end of name)
#       Files info: size 1048576 bytes, written with an IO size of 16384 bytes per write
#       App overhead is time in microseconds spent in the test not doing file writing related system calls.
#       All system call times are reported in microseconds.

FSUse%        Count         Size    Files/sec     App Overhead        CREAT (Min/Avg/Max)        WRITE (Min/Avg/Max)        FSYNC (Min/Avg/Max)         SYNC (Min/Avg/Max)        CLOSE (Min/Avg/Max)       UNLINK (Min/Avg/Max)
    13         4096      1048576         42.8           170340       24       87     2141       17       27     2425    79384    91680   184577        0        0        0        2        6     1932      267      312      574
</code>