diff options
| author | Olaf Faaland <[email protected]> | 2018-02-22 15:34:34 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-02-22 15:34:34 -0800 |
| commit | 7088545d0166aa05b2c783f18aa821d95a1f023d (patch) | |
| tree | 18d65e20a458db4c8c67a2ddeb24ff12a83d4aef /include/sys/vdev_impl.h | |
| parent | 0d398b25644ff1eb67141629bc6e5aead95edeba (diff) | |
Report duration and error in mmp_history entries
After an MMP write completes, update the relevant mmp_history entry
with the time between submission and completion, and the error
status of the write.
[faaland1@toss3a zfs]$ cat /proc/spl/kstat/zfs/pool/multihost
39 0 0x01 100 8800 69147946270893 72723903122926
id txg timestamp error duration mmp_delay vdev_guid
10607 1166 1518985089 0 138301 637785455 4882...
10608 1166 1518985089 0 136154 635407747 1151...
10609 1166 1518985089 0 803618560 633048078 9740...
10610 1166 1518985090 0 144826 633048078 4882...
10611 1166 1518985090 0 164527 666187671 1151...
Where duration = gethrtime_in_done_fn - gethrtime_at_submission, and
error = zio->io_error.
Reviewed-by: Giuseppe Di Natale <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Olaf Faaland <[email protected]>
Closes #7190
Diffstat (limited to 'include/sys/vdev_impl.h')
| -rw-r--r-- | include/sys/vdev_impl.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/vdev_impl.h b/include/sys/vdev_impl.h index 5f953a8db..bb80899e9 100644 --- a/include/sys/vdev_impl.h +++ b/include/sys/vdev_impl.h @@ -245,6 +245,7 @@ struct vdev { vdev_aux_t vdev_label_aux; /* on-disk aux state */ uint64_t vdev_leaf_zap; hrtime_t vdev_mmp_pending; /* 0 if write finished */ + uint64_t vdev_mmp_kstat_id; /* to find kstat entry */ /* * For DTrace to work in userland (libzpool) context, these fields must |