== sanity test 123aa: verify statahead work ============== 01:15:19 (1777007719)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff957cc5d0d800.batch_stats=0
total: 100 open/close in 2.87 seconds: 34.90 ops/second
llite.lustre-ffff957cc5d0d800.statahead_max=0
101

real	0m2.923s
user	0m0.010s
sys	0m0.605s
ls -l 100 files without statahead: 3 sec
llite.lustre-ffff957cc5d0d800.statahead_max=128
128
101

real	0m0.969s
user	0m0.006s
sys	0m0.463s
ls -l 100 files with statahead: 1 sec
statahead total: 125
statahead wrong: 2
agl total: 121
list_total: 24
fname_total: 86
hit_total: 770
miss_total: 1630
 - open/close 777 (time 1777007747.12 total 10.00 last 77.66)
total: 900 open/close in 11.48 seconds: 78.37 ops/second
llite.lustre-ffff957cc5d0d800.statahead_max=0
1001

real	0m20.684s
user	0m0.063s
sys	0m5.052s
ls -l 1000 files without statahead: 20 sec
llite.lustre-ffff957cc5d0d800.statahead_max=128
128
1001

real	0m6.693s
user	0m0.041s
sys	0m3.956s
ls -l 1000 files with statahead: 6 sec
statahead total: 126
statahead wrong: 2
agl total: 122
list_total: 25
fname_total: 86
hit_total: 1769
miss_total: 1631
 - open/close 736 (time 1777007795.61 total 10.00 last 73.56)
total: 1000 open/close in 14.21 seconds: 70.35 ops/second
llite.lustre-ffff957cc5d0d800.statahead_max=0
2001

real	0m48.966s
user	0m0.093s
sys	0m10.732s
ls -l 2000 files without statahead: 49 sec
llite.lustre-ffff957cc5d0d800.statahead_max=128
128
2001

real	0m13.706s
user	0m0.084s
sys	0m9.064s
ls -l 2000 files with statahead: 13 sec
statahead total: 127
statahead wrong: 2
agl total: 123
list_total: 26
fname_total: 86
hit_total: 3768
miss_total: 1632
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 43 seconds
llite.lustre-ffff957cc5d0d800.statahead_stats=
statahead total: 127
statahead wrong: 2
agl total: 123
list_total: 26
fname_total: 86
hit_total: 3768
miss_total: 1632
mdc.lustre-MDT0000-mdc-ffff957cc5d0d800.batch_stats=
snapshot_time:            1777007922.015234714 secs.nsecs
start_time:               1777007723.846778583 secs.nsecs
elapsed_time:             198.168456131 secs.nsecs
subreqs per batch   batches   % cum %
1:		        99  46  46
2:		        24  11  57
4:		        17   7  65
8:		        27  12  78
16:		         4   1  79
32:		         1   0  80
64:		        42  19 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536