== sanity test 123aa: verify statahead work ============== 22:51:59 (1775875919)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9aa887df1800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9aa887df1800.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.38 seconds: 72.25 ops/second
llite.lustre-ffff9aa887df1800.statahead_max=0
101

real	0m1.251s
user	0m0.003s
sys	0m0.314s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9aa887df1800.statahead_max=128
128
101

real	0m0.524s
user	0m0.002s
sys	0m0.256s
ls -l 100 files with statahead: 1 sec
statahead total: 88
statahead wrong: 2
agl total: 86
list_total: 23
fname_total: 60
hit_total: 304
miss_total: 1109
total: 900 open/close in 5.34 seconds: 168.61 ops/second
llite.lustre-ffff9aa887df1800.statahead_max=0
1001

real	0m10.797s
user	0m0.026s
sys	0m2.921s
ls -l 1000 files without statahead: 11 sec
llite.lustre-ffff9aa887df1800.statahead_max=128
128
1001

real	0m3.291s
user	0m0.027s
sys	0m2.255s
ls -l 1000 files with statahead: 3 sec
statahead total: 89
statahead wrong: 2
agl total: 87
list_total: 24
fname_total: 60
hit_total: 1303
miss_total: 1110
 - open/close 2406 (time 1775875961.38 total 10.00 last 240.58)
total: 3000 open/close in 12.53 seconds: 239.49 ops/second
llite.lustre-ffff9aa887df1800.statahead_max=0
4001

real	0m40.312s
user	0m0.152s
sys	0m11.817s
ls -l 4000 files without statahead: 40 sec
llite.lustre-ffff9aa887df1800.statahead_max=128
128
4001

real	0m11.944s
user	0m0.076s
sys	0m7.960s
ls -l 4000 files with statahead: 12 sec
statahead total: 90
statahead wrong: 2
agl total: 88
list_total: 25
fname_total: 60
hit_total: 5302
miss_total: 1111
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 33 seconds
llite.lustre-ffff9aa887df1800.statahead_stats=
statahead total: 90
statahead wrong: 2
agl total: 88
list_total: 25
fname_total: 60
hit_total: 5302
miss_total: 1111
mdc.lustre-MDT0000-mdc-ffff9aa887df1800.batch_stats=
snapshot_time:            1775876057.189847807 secs.nsecs
start_time:               1775875921.863468963 secs.nsecs
elapsed_time:             135.326378844 secs.nsecs
subreqs per batch   batches   % cum %
1:		        72  45  45
2:		         7   4  49
4:		         6   3  53
8:		         5   3  56
16:		         2   1  57
32:		        20  12  70
64:		        48  30 100
mdc.lustre-MDT0001-mdc-ffff9aa887df1800.batch_stats=
snapshot_time:            1775876057.189906436 secs.nsecs
start_time:               1775875921.863542942 secs.nsecs
elapsed_time:             135.326363494 secs.nsecs
subreqs per batch   batches   % cum %
1:		        66  43  43
2:		         5   3  46
4:		         8   5  51
8:		         3   1  53
16:		         2   1  55
32:		        16  10  65
64:		        52  34 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536