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Periodically update ARC kstats

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FreeBSD needs arc_adjust_zthr to run periodically for kstats to be
updated.  A comment in the code suggests this may have been the
original intent in illumos as well:

c946d5a913/module/zfs/arc.c (L4697-L4700)

Create the thread with a 1 second timer.

Reviewed-by: Matt Macy <mmacy@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10371
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Ryan Moeller 2020-06-03 12:52:38 -04:00 committed by GitHub
parent 081de9a86d
commit a9dcfac51c
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1 changed files with 2 additions and 2 deletions
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module/zfs/arc.c
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@ -7360,8 +7360,8 @@ arc_init(void)
kstat_install(arc_ksp); kstat_install(arc_ksp);
} }
arc_adjust_zthr = zthr_create(arc_adjust_cb_check, arc_adjust_zthr = zthr_create_timer(arc_adjust_cb_check,
arc_adjust_cb, NULL); arc_adjust_cb, NULL, SEC2NSEC(1));
arc_reap_zthr = zthr_create_timer(arc_reap_cb_check, arc_reap_zthr = zthr_create_timer(arc_reap_cb_check,
arc_reap_cb, NULL, SEC2NSEC(1)); arc_reap_cb, NULL, SEC2NSEC(1));