Author: mav
Date: Sat Oct 3 07:17:45 2015
New Revision: 288536
URL: https://svnweb.freebsd.org/changeset/base/288536
Log:
MFC r281109: Add DTrace probe to the new ARC reclaim cause added in r281026.
Modified:
stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Sat Oct
3 06:35:17 2015 (r288535)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Sat Oct
3 07:17:45 2015 (r288536)
@@ -2674,8 +2674,12 @@ arc_reclaim_needed(void)
* Above limits know nothing about real level of KVA fragmentation.
* Start aggressive reclamation if too little sequential KVA left.
*/
- if (vmem_size(heap_arena, VMEM_MAXFREE) < zfs_max_recordsize)
+ if (vmem_size(heap_arena, VMEM_MAXFREE) < zfs_max_recordsize) {
+ DTRACE_PROBE2(arc__reclaim_maxfree, uint64_t,
+ vmem_size(heap_arena, VMEM_MAXFREE),
+ uint64_t, zfs_max_recordsize);
return (1);
+ }
#else /* _KERNEL */
if (spa_get_random(100) == 0)
_______________________________________________
svn-src-stable-10@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10
To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"
