== sanity test 123aa: verify statahead work ============== 18:33:33 (1781303613)
total: 100 open/close in 1.51 seconds: 66.29 ops/second
llite.lustre-ffff9f21885bf000.statahead_max=0
101

real	0m2.076s
user	0m0.007s
sys	0m0.162s
ls -l 100 files without statahead: 2 sec
llite.lustre-ffff9f21885bf000.statahead_max=32
32
101

real	0m0.560s
user	0m0.004s
sys	0m0.066s
ls -l 100 files with statahead: 1 sec
statahead total: 25
statahead wrong: 0
agl total: 25
 - open/close 654 (time 1781303637.56 total 10.01 last 65.35)
total: 900 open/close in 13.83 seconds: 65.09 ops/second
llite.lustre-ffff9f21885bf000.statahead_max=0
1001

real	0m15.417s
user	0m0.052s
sys	0m1.508s
ls -l 1000 files without statahead: 15 sec
llite.lustre-ffff9f21885bf000.statahead_max=32
32
1001

real	0m3.279s
user	0m0.024s
sys	0m0.423s
ls -l 1000 files with statahead: 4 sec
statahead total: 26
statahead wrong: 0
agl total: 26
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 12 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26