== sanity test 123aa: verify statahead work ============== 23:29:37 (1777001377)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9dbe94790000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9dbe94790000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123aa.sanity
total: 100 open/close in 2.88 seconds: 34.67 ops/second
llite.lustre-ffff9dbe94790000.statahead_max=0
101

real	0m2.825s
user	0m0.008s
sys	0m0.380s
ls -l 100 files without statahead: 3 sec
llite.lustre-ffff9dbe94790000.statahead_max=128
128
101

real	0m1.139s
user	0m0.005s
sys	0m0.197s
ls -l 100 files with statahead: 1 sec
statahead total: 109
statahead wrong: 2
agl total: 105
list_total: 25
fname_total: 82
hit_total: 844
miss_total: 1517
 - open/close 633 (time 1777001406.11 total 10.01 last 63.21)
total: 900 open/close in 14.52 seconds: 62.00 ops/second
llite.lustre-ffff9dbe94790000.statahead_max=0
1001

real	0m27.095s
user	0m0.053s
sys	0m3.511s
ls -l 1000 files without statahead: 27 sec
llite.lustre-ffff9dbe94790000.statahead_max=128
128
1001

real	0m6.116s
user	0m0.035s
sys	0m1.737s
ls -l 1000 files with statahead: 7 sec
statahead total: 110
statahead wrong: 2
agl total: 106
list_total: 26
fname_total: 82
hit_total: 1843
miss_total: 1518
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 22 seconds
llite.lustre-ffff9dbe94790000.statahead_stats=
statahead total: 110
statahead wrong: 2
agl total: 106
list_total: 26
fname_total: 82
hit_total: 1843
miss_total: 1518
mdc.lustre-MDT0000-mdc-ffff9dbe94790000.batch_stats=
snapshot_time:            1777001479.701454112 secs.nsecs
start_time:               1777001381.760732042 secs.nsecs
elapsed_time:             97.940722070 secs.nsecs
subreqs per batch   batches   % cum %
1:		        12  42  42
2:		         1   3  46
4:		         0   0  46
8:		         1   3  50
16:		         0   0  50
32:		        12  42  92
64:		         2   7 100
mdc.lustre-MDT0001-mdc-ffff9dbe94790000.batch_stats=
snapshot_time:            1777001479.701518398 secs.nsecs
start_time:               1777001381.760929475 secs.nsecs
elapsed_time:             97.940588923 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6  20  20
2:		         1   3  23
4:		         1   3  26
8:		         4  13  40
16:		         2   6  46
32:		         3  10  56
64:		        13  43 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536