[Bug 241083] zfs: zpool import seems to probe all snapshots

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Oct 5 19:02:48 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241083

--- Comment #4 from Martin Birgmeier <d8zNeCFG at aon.at> ---
This is the result:

[0]# sudo dtrace -n 'pid$target::zpool_search_import:entry {trace(timestamp);}'
-n 'pid$target::zpool_search_import:return {trace(timestamp);}' -n
'pid$target::zfs_ioctl:entry {trace(timestamp)}' -n
'pid$target::zfs_ioctl:return {trace(timestamp)}' -c "zpool import hal.5"       
dtrace: description 'pid$target::zpool_search_import:entry ' matched 1 probe
dtrace: description 'pid$target::zpool_search_import:return ' matched 1 probe
dtrace: description 'pid$target::zfs_ioctl:entry ' matched 1 probe
dtrace: description 'pid$target::zfs_ioctl:return ' matched 1 probe
CPU     ID                    FUNCTION:NAME
  3  49088        zpool_search_import:entry    42976262797132
  3  49089       zpool_search_import:return    42976263261730
  0  49090                  zfs_ioctl:entry    43041357153847
  0  49091                 zfs_ioctl:return    43041357158293
dtrace: pid 58369 has exited

[0]# 

Thanks again.

-- Martin

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