== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 00:42:13 (1717562533)
total: 1000 open/close in 1.89 seconds: 530.23 ops/second
 - unlinked 0 (time 1717562538 ; total 0 ; last 0)
total: 1000 unlinks in 2 seconds: 500.000000 unlinks/second
waited 5 sec, old Iused 12239, new Iused 11637