Update FreeBSD tunables
Remove some obsolete legacy compat, rename some misnamed, and add some missing tunables for FreeBSD. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10203
This commit is contained in:
Ryan Moeller
GitHub
parent
af99094dee
commit
a7929f3137
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@ -54,6 +54,7 @@ enum scope_prefix_types {
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zfs_dbuf,
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zfs_dbuf_cache,
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zfs_deadman,
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zfs_dedup,
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zfs_l2arc,
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zfs_livelist,
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zfs_livelist_condense,
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@ -67,13 +68,13 @@ enum scope_prefix_types {
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zfs_send,
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zfs_spa,
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zfs_trim,
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zfs_txg,
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zfs_vdev,
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zfs_vdev_cache,
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zfs_vdev_mirror,
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zfs_zevent,
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zfs_zio,
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zfs_zil,
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spa
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zfs_zil
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};
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/*
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@ -60,6 +60,46 @@ uint_t zfs_arc_free_target = 0;
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int64_t last_free_memory;
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free_memory_reason_t last_free_reason;
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static void
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arc_free_target_init(void *unused __unused)
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{
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zfs_arc_free_target = vm_cnt.v_free_target;
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}
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SYSINIT(arc_free_target_init, SI_SUB_KTHREAD_PAGE, SI_ORDER_ANY,
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arc_free_target_init, NULL);
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/*
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* We don't have a tunable for arc_free_target due to the dependency on
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* pagedaemon initialisation.
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*/
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static int
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sysctl_vfs_zfs_arc_free_target(SYSCTL_HANDLER_ARGS)
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{
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uint_t val;
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int err;
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val = zfs_arc_free_target;
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err = sysctl_handle_int(oidp, &val, 0, req);
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if (err != 0 || req->newptr == NULL)
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return (err);
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if (val < minfree)
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return (EINVAL);
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if (val > vm_cnt.v_page_count)
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return (EINVAL);
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zfs_arc_free_target = val;
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return (0);
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}
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SYSCTL_DECL(_vfs_zfs);
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/* BEGIN CSTYLED */
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SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_free_target,
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CTLTYPE_UINT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, sizeof (uint_t),
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sysctl_vfs_zfs_arc_free_target, "IU",
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"Desired number of free pages below which ARC triggers reclaim");
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/* END CSTYLED */
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int64_t
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arc_available_memory(void)
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{
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@ -67,7 +107,6 @@ arc_available_memory(void)
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int64_t n __unused;
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free_memory_reason_t r = FMR_UNKNOWN;
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#ifdef _KERNEL
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/*
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* Cooperate with pagedaemon when it's time for it to scan
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* and reclaim some pages.
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@ -115,12 +154,6 @@ arc_available_memory(void)
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}
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}
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#else /* _KERNEL */
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/* Every 100 calls, free a small amount */
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if (spa_get_random(100) == 0)
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lowest = -1024;
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#endif /* _KERNEL */
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last_free_memory = lowest;
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last_free_reason = r;
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DTRACE_PROBE2(arc__available_memory, int64_t, lowest, int, r);
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@ -94,32 +94,35 @@ __FBSDID("$FreeBSD$");
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/* BEGIN CSTYLED */
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SYSCTL_DECL(_vfs_zfs);
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zevent, CTLFLAG_RW, 0, "ZFS events");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zio, CTLFLAG_RW, 0, "ZFS ZIO");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zil, CTLFLAG_RW, 0, "ZFS ZIL");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, vdev, CTLFLAG_RW, 0, "ZFS VDEV");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, trim, CTLFLAG_RW, 0, "ZFS TRIM");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, spa, CTLFLAG_RW, 0, "space allocation");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, reconstruct, CTLFLAG_RW, 0, "reconstruct");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, prefetch, CTLFLAG_RW, 0, "ZFS ZFETCH");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, multihost, CTLFLAG_RW, 0, "multihost protection");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, mg, CTLFLAG_RW, 0, "metaslab group");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, metaslab, CTLFLAG_RW, 0, "ZFS metaslab");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, lua, CTLFLAG_RW, 0, "lua");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, l2arc, CTLFLAG_RW, 0, "l2arc");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, arc, CTLFLAG_RW, 0, "ZFS adaptive replacement cache");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, condense, CTLFLAG_RW, 0, "ZFS condense");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, dbuf, CTLFLAG_RW, 0, "ZFS disk buf cache");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, dbuf_cache, CTLFLAG_RW, 0, "ZFS disk buf cache");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, deadman, CTLFLAG_RW, 0, "ZFS deadman");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, condense, CTLFLAG_RW, 0, "ZFS condense");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, arc, CTLFLAG_RW, 0, "ZFS Adaptive Replacement Cache");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, dedup, CTLFLAG_RW, 0, "ZFS dedup");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, l2arc, CTLFLAG_RW, 0, "ZFS l2arc");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, livelist, CTLFLAG_RW, 0, "ZFS livelist");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, lua, CTLFLAG_RW, 0, "ZFS lua");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, metaslab, CTLFLAG_RW, 0, "ZFS metaslab");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, mg, CTLFLAG_RW, 0, "ZFS metaslab group");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, multihost, CTLFLAG_RW, 0, "ZFS multihost protection");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, prefetch, CTLFLAG_RW, 0, "ZFS prefetch");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, reconstruct, CTLFLAG_RW, 0, "ZFS reconstruct");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, recv, CTLFLAG_RW, 0, "ZFS receive");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, send, CTLFLAG_RW, 0, "ZFS send");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, spa, CTLFLAG_RW, 0, "ZFS space allocation");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, trim, CTLFLAG_RW, 0, "ZFS TRIM");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, txg, CTLFLAG_RW, 0, "ZFS transaction group");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, vdev, CTLFLAG_RW, 0, "ZFS VDEV");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zevent, CTLFLAG_RW, 0, "ZFS event");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zil, CTLFLAG_RW, 0, "ZFS ZIL");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zio, CTLFLAG_RW, 0, "ZFS ZIO");
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SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, mirror, CTLFLAG_RD, 0,
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"ZFS VDEV Mirror");
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SYSCTL_NODE(_vfs_zfs_livelist, OID_AUTO, condense, CTLFLAG_RW, 0,
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"ZFS livelist condense");
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SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, cache, CTLFLAG_RW, 0, "ZFS VDEV Cache");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, livelist, CTLFLAG_RW, 0, "livelist state");
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SYSCTL_NODE(_vfs_zfs_livelist, OID_AUTO, condense, CTLFLAG_RW, 0, "condense knobs");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, recv, CTLFLAG_RW, 0, "receive knobs");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, send, CTLFLAG_RW, 0, "send knobs");
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SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, mirror, CTLFLAG_RD, 0,
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"ZFS VDEV mirror");
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SYSCTL_DECL(_vfs_zfs_version);
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SYSCTL_CONST_STRING(_vfs_zfs_version, OID_AUTO, module, CTLFLAG_RD,
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@ -267,7 +270,7 @@ SYSCTL_PROC(_vfs_zfs, OID_AUTO, arc_no_grow_shift, CTLTYPE_U32 | CTLFLAG_RWTUN,
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/* dmu.c */
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/* dmu_zfetch.c */
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zfetch, CTLFLAG_RW, 0, "ZFS ZFETCH");
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SYSCTL_NODE(_vfs_zfs, OID_AUTO, zfetch, CTLFLAG_RW, 0, "ZFS ZFETCH (LEGACY)");
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/* max bytes to prefetch per stream (default 8MB) */
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extern uint32_t zfetch_max_distance;
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@ -295,15 +298,6 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, default_ibs, CTLFLAG_RWTUN,
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/* metaslab.c */
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/*
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* Enable/disable lba weighting (i.e. outer tracks are given preference).
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*/
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extern boolean_t metaslab_lba_weighting_enabled;
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SYSCTL_INT(_vfs_zfs_metaslab, OID_AUTO, lba_weighting, CTLFLAG_RWTUN,
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&metaslab_lba_weighting_enabled, 0,
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"Enable LBA weighting (i.e. outer tracks are given preference)");
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/*
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* In pools where the log space map feature is not enabled we touch
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* multiple metaslabs (and their respective space maps) with each
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@ -1188,6 +1188,6 @@ ddt_walk(spa_t *spa, ddt_bookmark_t *ddb, ddt_entry_t *dde)
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}
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/* BEGIN CSTYLED */
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ZFS_MODULE_PARAM(zfs, zfs_, dedup_prefetch, INT, ZMOD_RW,
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ZFS_MODULE_PARAM(zfs_dedup, zfs_dedup_, prefetch, INT, ZMOD_RW,
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"Enable prefetching dedup-ed blks");
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/* END CSTYLED */
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@ -1054,6 +1054,6 @@ EXPORT_SYMBOL(txg_stalled);
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EXPORT_SYMBOL(txg_sync_waiting);
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/* BEGIN CSTYLED */
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ZFS_MODULE_PARAM(zfs, zfs_, txg_timeout, INT, ZMOD_RW,
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ZFS_MODULE_PARAM(zfs_txg, zfs_txg_, timeout, INT, ZMOD_RW,
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"Max seconds worth of delta per txg");
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/* END CSTYLED */
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@ -71,7 +71,7 @@ TRIM_EXTENT_BYTES_MIN trim.extent_bytes_min zfs_trim_extent_bytes_min
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TRIM_METASLAB_SKIP trim.metaslab_skip zfs_trim_metaslab_skip
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TRIM_TXG_BATCH trim.txg_batch zfs_trim_txg_batch
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TXG_HISTORY UNSUPPORTED zfs_txg_history
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TXG_TIMEOUT txg_timeout zfs_txg_timeout
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TXG_TIMEOUT txg.timeout zfs_txg_timeout
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UNLINK_SUSPEND_PROGRESS UNSUPPORTED zfs_unlink_suspend_progress
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VDEV_MIN_MS_COUNT vdev.min_ms_count zfs_vdev_min_ms_count
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VDEV_VALIDATE_SKIP vdev.validate_skip vdev_validate_skip
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