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author | ken <ken@FreeBSD.org> | 2015-03-02 21:00:54 +0000 |
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committer | ken <ken@FreeBSD.org> | 2015-03-02 21:00:54 +0000 |
commit | dc6b22c8f3aa5e564a872a3172eda2972614412f (patch) | |
tree | d187c8ee035dbc8803c62ff25e9b2543da38071d /sys/kern/kern_rmlock.c | |
parent | de8b80a46a89ecabb93a2c171a1d9018a709cbad (diff) | |
download | FreeBSD-src-dc6b22c8f3aa5e564a872a3172eda2972614412f.zip FreeBSD-src-dc6b22c8f3aa5e564a872a3172eda2972614412f.tar.gz |
MFC r279346:
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r279346 | ken | 2015-02-26 19:44:12 -0700 (Thu, 26 Feb 2015) | 13 lines
Remove an obsolete comment in devstat(3) about the accuracy of the
milliseconds per transaction (DSM_MS_PER_TRANSACTION) calculation.
The comment was accurate many years ago when the kernel didn't
record I/O times on a per-I/O basis, but now that we do collect
that information in most areas, it isn't correct.
The milliseconds per transaction values are correct, assuming the
I/O duration has been recorded.
Sponsored by: Spectra Logic
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Diffstat (limited to 'sys/kern/kern_rmlock.c')
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