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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:42:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:42:46 -0800 |
| commit | 03054de1e0b90b33e9974107d84dabd2509f5898 (patch) | |
| tree | a85e92d5387d94ef9e3d10bf11467136c681ad04 /Documentation/ABI/testing/sysfs-block | |
| parent | b5eb9513f7c1bee862ada22bf1489f53752686bd (diff) | |
| parent | 0e53c2be0495afa97c6b0d06397adcbff9c65347 (diff) | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
Enhanced partition statistics: documentation update
Enhanced partition statistics: remove old partition statistics
Enhanced partition statistics: procfs
Enhanced partition statistics: sysfs
Enhanced partition statistics: aoe fix
Enhanced partition statistics: update partition statitics
Enhanced partition statistics: core statistics
block: fixup rq_init() a bit
Manually fixed conflict in drivers/block/aoe/aoecmd.c due to statistics
support.
Diffstat (limited to 'Documentation/ABI/testing/sysfs-block')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-block | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block new file mode 100644 index 00000000000..4bd9ea53912 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-block @@ -0,0 +1,28 @@ +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. |