| What: /sys/block/<disk>/stat |
| Date: February 2008 |
| Contact: Jerome Marchand <jmarchan@redhat.com> |
| Description: |
| The /sys/block/<disk>/stat files displays the I/O |
| statistics of disk <disk>. They contain 11 fields: |
| 1 - reads completed succesfully |
| 2 - reads merged |
| 3 - sectors read |
| 4 - time spent reading (ms) |
| 5 - writes completed |
| 6 - writes merged |
| 7 - sectors written |
| 8 - time spent writing (ms) |
| 9 - I/Os currently in progress |
| 10 - time spent doing I/Os (ms) |
| 11 - weighted time spent doing I/Os (ms) |
| For more details refer Documentation/iostats.txt |
| |
| |
| What: /sys/block/<disk>/<part>/stat |
| Date: February 2008 |
| Contact: Jerome Marchand <jmarchan@redhat.com> |
| Description: |
| The /sys/block/<disk>/<part>/stat files display the |
| I/O statistics of partition <part>. The format is the |
| same as the above-written /sys/block/<disk>/stat |
| format. |