+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|                          |Sequential Output             |Sequential Input    |          |             |Sequential Create             |Random Create                 |
|--------------------------+------------------------------+--------------------|Random    |-------------+------------------------------+------------------------------|
|               |Size:Chunk|Per Char |Block     |Rewrite  |Per Char |Block     |Seeks     |Num Files    |Create   |Read      |Delete   |Create   |Read      |Delete   |
|               |Size      |         |          |         |         |          |          |             |         |          |         |         |          |         |
|--------------------------+---------+----------+---------+---------+----------+----------+-------------+---------+----------+---------+---------+----------+---------|
|                          |K/sec|%  |K/sec |%  |K/sec|%  |K/sec|%  |K/sec |%  |/ sec |%  |             |/ sec|%  |/ sec |%  |/ sec|%  |/ sec|%  |/ sec |%  |/ sec|%  |
|                          |     |CPU|      |CPU|     |CPU|     |CPU|      |CPU|      |CPU|             |     |CPU|      |CPU|     |CPU|     |CPU|      |CPU|     |CPU|
|--------------------------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"ext4devbarrier|8G        |71781|99 |139767|16 |67193|12 |72576|91 |181064|20 |1085.5|1  |100:4096:4096|37786|86 |143338|100|64885|99 |40096|91 |129193|99 |50136|95 |
|=1"            |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
|---------------+----------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"ext4devbarrier|8G        |75403|99 |134676|16 |66865|12 |66554|92 |181388|21 |1030.5|2  |100:4096:4096|32130|73 |142664|100|64484|100|40271|92 |128563|100|51580|100|
|=0"            |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
|---------------+----------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"ext3barrier=1"|8G        |65788|93 |124678|28 |62124|14 |66092|88 |160675|18 |845.5 |1  |100:4096:4096|22824|51 |141891|99 |52747|75 |32728|74 |134353|99 |23597|43 |
|               |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
|---------------+----------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"ext3barrier=0"|8G        |64869|94 |123163|27 |62247|15 |68724|87 |160901|20 |853.7 |1  |100:4096:4096|24400|54 |143882|99 |66859|94 |20765|46 |114144|92 |35035|60 |
|               |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
|---------------+----------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"ext2"         |8G        |76249|99 |136929|14 |60016|11 |71681|91 |158109|17 |834.5 |1  |100:4096:4096|59456|99 |199715|99 |42373|27 |52468|86 |176522|99 |10031|13 |
|               |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
|---------------+----------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"xfsbarrier"   |8G        |75988|99 |124382|17 |65327|20 |72792|92 |184425|21 |996.4 |2  |100:4096:4096|6860 |39 |38303 |29 |13039|71 |6492 |38 |132674|100|3524 |28 |
|               |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
|---------------+----------+-----+---+------+---+-----+---+-----+---+------+---+------+---+-------------+-----+---+------+---+-----+---+-----+---+------+---+-----+---|
|"xfsnobarrier" |8G        |72208|99 |124799|17 |64400|19 |72825|92 |184386|22 |960.3 |1  |100:4096:4096|5933 |30 |133819|98 |18497|90 |6454 |30 |106287|88 |1797 |13 |
|               |          |     |   |      |   |     |   |     |   |      |   |      |   |/100         |     |   |      |   |     |   |     |   |      |   |     |   |
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+