== sanity test 123aa: verify statahead work ============== 21:56:22 (1775872582)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa0f843fa3000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa0f843fa3000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123aa.sanity
total: 100 open/close in 3.13 seconds: 31.91 ops/second
llite.lustre-ffffa0f843fa3000.statahead_max=0
101

real	0m3.396s
user	0m0.006s
sys	0m0.400s
ls -l 100 files without statahead: 3 sec
llite.lustre-ffffa0f843fa3000.statahead_max=128
128
101

real	0m1.047s
user	0m0.003s
sys	0m0.217s
ls -l 100 files with statahead: 1 sec
statahead total: 122
statahead wrong: 2
agl total: 118
list_total: 25
fname_total: 84
hit_total: 352
miss_total: 1410
 - open/close 672 (time 1775872614.34 total 10.00 last 67.17)
total: 900 open/close in 13.22 seconds: 68.09 ops/second
llite.lustre-ffffa0f843fa3000.statahead_max=0
1001

real	0m29.013s
user	0m0.039s
sys	0m3.500s
ls -l 1000 files without statahead: 29 sec
llite.lustre-ffffa0f843fa3000.statahead_max=128
128
1001

real	0m7.204s
user	0m0.037s
sys	0m1.798s
ls -l 1000 files with statahead: 7 sec
statahead total: 123
statahead wrong: 2
agl total: 119
list_total: 26
fname_total: 84
hit_total: 1351
miss_total: 1411
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 22 seconds
llite.lustre-ffffa0f843fa3000.statahead_stats=
statahead total: 123
statahead wrong: 2
agl total: 119
list_total: 26
fname_total: 84
hit_total: 1351
miss_total: 1411
mdc.lustre-MDT0000-mdc-ffffa0f843fa3000.batch_stats=
snapshot_time:            1775872689.907543617 secs.nsecs
start_time:               1775872587.602627945 secs.nsecs
elapsed_time:             102.304915672 secs.nsecs
subreqs per batch   batches   % cum %
1:		         1   4   4
2:		         0   0   4
4:		         3  13  18
8:		         2   9  27
16:		         1   4  31
32:		         5  22  54
64:		        10  45 100
mdc.lustre-MDT0001-mdc-ffffa0f843fa3000.batch_stats=
snapshot_time:            1775872689.907707553 secs.nsecs
start_time:               1775872587.602778355 secs.nsecs
elapsed_time:             102.304929198 secs.nsecs
subreqs per batch   batches   % cum %
1:		         3  12  12
2:		         2   8  20
4:		         1   4  24
8:		         3  12  36
16:		         1   4  40
32:		         8  32  72
64:		         7  28 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536