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| author | Divyesh Shah <dpshah@google.com> | 2010-04-02 00:01:24 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-02 08:44:36 +0200 |
| commit | 303a3acb2362f16c7e7f4c53b40c2f4b396dc8d5 (patch) | |
| tree | 7996f28d5659fef44594f7049e30264b16baa62d /block/blk-iopoll.c | |
| parent | blkio: Remove per-cfqq nr_sectors as we'll be passing (diff) | |
| download | linux-303a3acb2362f16c7e7f4c53b40c2f4b396dc8d5.tar.xz linux-303a3acb2362f16c7e7f4c53b40c2f4b396dc8d5.zip | |
blkio: Add io controller stats like
- io_service_time
- io_wait_time
- io_serviced
- io_service_bytes
These stats are accumulated per operation type helping us to distinguish between
read and write, and sync and async IO. This patch does not increment any of
these stats.
Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to '')
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