== sanity test 123aa: verify statahead work ============== 07:01:31 (1769083291)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9bb283bb9800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9bb283bb9800.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.47 seconds: 68.03 ops/second
llite.lustre-ffff9bb283bb9800.statahead_max=0
101

real	0m1.318s
user	0m0.004s
sys	0m0.279s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9bb283bb9800.statahead_max=128
128
101

real	0m0.450s
user	0m0.004s
sys	0m0.212s
ls -l 100 files with statahead: 1 sec
statahead total: 86
statahead wrong: 2
agl total: 84
list_total: 24
fname_total: 62
hit_total: 850
miss_total: 886
total: 900 open/close in 5.76 seconds: 156.22 ops/second
llite.lustre-ffff9bb283bb9800.statahead_max=0
1001

real	0m12.777s
user	0m0.028s
sys	0m2.595s
ls -l 1000 files without statahead: 13 sec
llite.lustre-ffff9bb283bb9800.statahead_max=128
128
1001

real	0m3.163s
user	0m0.027s
sys	0m1.522s
ls -l 1000 files with statahead: 3 sec
statahead total: 87
statahead wrong: 2
agl total: 85
list_total: 25
fname_total: 62
hit_total: 1849
miss_total: 887
 - open/close 1307 (time 1769083336.54 total 10.00 last 130.67)
total: 2000 open/close in 14.73 seconds: 135.78 ops/second
llite.lustre-ffff9bb283bb9800.statahead_max=0
3001

real	0m31.466s
user	0m0.074s
sys	0m7.652s
ls -l 3000 files without statahead: 31 sec
llite.lustre-ffff9bb283bb9800.statahead_max=128
128
3001

real	0m8.185s
user	0m0.059s
sys	0m4.660s
ls -l 3000 files with statahead: 8 sec
statahead total: 88
statahead wrong: 2
agl total: 86
list_total: 26
fname_total: 62
hit_total: 4848
miss_total: 888
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 28 seconds
llite.lustre-ffff9bb283bb9800.statahead_stats=
statahead total: 88
statahead wrong: 2
agl total: 86
list_total: 26
fname_total: 62
hit_total: 4848
miss_total: 888
mdc.lustre-MDT0000-mdc-ffff9bb283bb9800.batch_stats=
snapshot_time:            1769083416.865349974 secs.nsecs
start_time:               1769083293.855016314 secs.nsecs
elapsed_time:             123.010333660 secs.nsecs
subreqs per batch   batches   % cum %
1:		        24  26  26
2:		         5   5  31
4:		         8   8  40
8:		         1   1  41
16:		         0   0  41
32:		        28  30  71
64:		        26  28 100
mdc.lustre-MDT0001-mdc-ffff9bb283bb9800.batch_stats=
snapshot_time:            1769083416.865407729 secs.nsecs
start_time:               1769083293.855134589 secs.nsecs
elapsed_time:             123.010273140 secs.nsecs
subreqs per batch   batches   % cum %
1:		        38  36  36
2:		         3   2  39
4:		         3   2  42
8:		         3   2  45
16:		         1   0  46
32:		         5   4  50
64:		        51  49 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536