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Skip RAW kstat sysctls by default

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hese kstats are often expensive to compute so we want to avoid them
unless specifically requested.

The following kstats are affected by this change:

kstat.zfs.${pool}.multihost
kstat.zfs.${pool}.misc.state
kstat.zfs.${pool}.txgs
kstat.zfs.misc.fletcher_4_bench
kstat.zfs.misc.vdev_raidz_bench
kstat.zfs.misc.dbufs
kstat.zfs.misc.dbgmsg

PR:		249258
Reported by:	mjg
Reviewed by:	mjg, allanjude
Obtained from:	https://github.com/openzfs/zfs/pull/11099
Sponsored by:	iXsystems, Inc.
This commit is contained in:
Ryan Moeller 2020-10-24 16:25:52 +00:00
parent e58483c4fb
commit b19cdab345
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=367010
1 changed files with 4 additions and 4 deletions
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8
sys/contrib/openzfs/module/os/freebsd/spl/spl_kstat.c
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@ -475,14 +475,14 @@ kstat_install(kstat_t *ksp)
if (ksp->ks_raw_ops.data) {
root = SYSCTL_ADD_PROC(&ksp->ks_sysctl_ctx,
SYSCTL_CHILDREN(ksp->ks_sysctl_root),
OID_AUTO, ksp->ks_name,
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
OID_AUTO, ksp->ks_name, CTLTYPE_STRING | CTLFLAG_RD
| CTLFLAG_MPSAFE | CTLFLAG_SKIP,
ksp, 0, kstat_sysctl_raw, "A", ksp->ks_name);
} else {
root = SYSCTL_ADD_PROC(&ksp->ks_sysctl_ctx,
SYSCTL_CHILDREN(ksp->ks_sysctl_root),
OID_AUTO, ksp->ks_name,
CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_MPSAFE,
OID_AUTO, ksp->ks_name, CTLTYPE_OPAQUE | CTLFLAG_RD
| CTLFLAG_MPSAFE | CTLFLAG_SKIP,
ksp, 0, kstat_sysctl_raw, "", ksp->ks_name);
}
break;