|  | What:		/proc/diskstats | 
|  | Date:		February 2008 | 
|  | Contact:	Jerome Marchand <jmarchan@redhat.com> | 
|  | Description: | 
|  | The /proc/diskstats file displays the I/O statistics | 
|  | of block devices. Each line contains the following 14 | 
|  | fields: | 
|  | 1 - major number | 
|  | 2 - minor mumber | 
|  | 3 - device name | 
|  | 4 - reads completed successfully | 
|  | 5 - reads merged | 
|  | 6 - sectors read | 
|  | 7 - time spent reading (ms) | 
|  | 8 - writes completed | 
|  | 9 - writes merged | 
|  | 10 - sectors written | 
|  | 11 - time spent writing (ms) | 
|  | 12 - I/Os currently in progress | 
|  | 13 - time spent doing I/Os (ms) | 
|  | 14 - weighted time spent doing I/Os (ms) | 
|  | For more details refer to Documentation/iostats.txt |