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| 1 | What: /proc/diskstats | ||
| 2 | Date: February 2008 | ||
| 3 | Contact: Jerome Marchand <jmarchan@redhat.com> | ||
| 4 | Description: | ||
| 5 | The /proc/diskstats file displays the I/O statistics | ||
| 6 | of block devices. Each line contains the following 14 | ||
| 7 | fields: | ||
| 8 | 1 - major number | ||
| 9 | 2 - minor mumber | ||
| 10 | 3 - device name | ||
| 11 | 4 - reads completed succesfully | ||
| 12 | 5 - reads merged | ||
| 13 | 6 - sectors read | ||
| 14 | 7 - time spent reading (ms) | ||
| 15 | 8 - writes completed | ||
| 16 | 9 - writes merged | ||
| 17 | 10 - sectors written | ||
| 18 | 11 - time spent writing (ms) | ||
| 19 | 12 - I/Os currently in progress | ||
| 20 | 13 - time spent doing I/Os (ms) | ||
| 21 | 14 - weighted time spent doing I/Os (ms) | ||
| 22 | For more details refer to Documentation/iostats.txt | ||