1. top ->'f' ->'v'
http://www.linuxforums.org/articles/using-top-more-efficiently_89.html.
Note: On 2.6.x, this field is always zero without unknown reason.
2.you can check the size of dirty pages by checking /proc/<pid>/smaps
http://www.linux.com/learn/tutorials/42048-uncover-the-meaning-of-tops-statistics
http://www.linuxforums.org/articles/using-top-more-efficiently_89.html.
Note: On 2.6.x, this field is always zero without unknown reason.
2.you can check the size of dirty pages by checking /proc/<pid>/smaps
http://www.linux.com/learn/tutorials/42048-uncover-the-meaning-of-tops-statistics