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author | Kirk McKusick <mckusick@FreeBSD.org> | 2012-03-28 20:49:11 +0000 |
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committer | Kirk McKusick <mckusick@FreeBSD.org> | 2012-03-28 20:49:11 +0000 |
commit | 1faacf5d0925fb593d0d5a17dbd3b0d705bdd478 (patch) | |
tree | e4296e1e7484307c80036dcfa1043b1869febf17 /lib/libpmc/pmc.westmereuc.3 | |
parent | 3b3faeb9dad86d4d3297a9c682bb1c303da36f94 (diff) | |
download | src-1faacf5d0925fb593d0d5a17dbd3b0d705bdd478.tar.gz src-1faacf5d0925fb593d0d5a17dbd3b0d705bdd478.zip |
Keep track of the mount point associated with a special device
to enable the collection of counts of synchronous and asynchronous
reads and writes for its associated filesystem. The counts are
displayed using `mount -v'.
Ensure that buffers used for paging indicate the vnode from
which they are operating so that counts of paging I/O operations
from the filesystem are collected.
This checkin only adds the setting of the mount point for the
UFS/FFS filesystem, but it would be trivial to add the setting
and clearing of the mount point at filesystem mount/unmount
time for other filesystems too.
Reviewed by: kib
Notes
Notes:
svn path=/head/; revision=233627
Diffstat (limited to 'lib/libpmc/pmc.westmereuc.3')
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