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Add DTrace probe to the new ARC reclaim cause added in r281026.

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MFC after:	1 month
This commit is contained in:
mav 2015-04-05 14:45:52 +00:00
parent 31390ca675
commit e5f58186a5
1 changed files with 5 additions and 1 deletions
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6
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
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@ -2671,8 +2671,12 @@ 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)