== sanity test 123aa: verify statahead work ============== 09:25:09 (1775222709)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9b4607f9e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b4607f9e800.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.90 seconds: 52.63 ops/second
llite.lustre-ffff9b4607f9e800.statahead_max=0
101

real	0m1.855s
user	0m0.008s
sys	0m0.326s
ls -l 100 files without statahead: 2 sec
llite.lustre-ffff9b4607f9e800.statahead_max=128
128
101

real	0m0.542s
user	0m0.003s
sys	0m0.215s
ls -l 100 files with statahead: 1 sec
statahead total: 98
statahead wrong: 2
agl total: 95
list_total: 25
fname_total: 73
hit_total: 364
miss_total: 1181
total: 900 open/close in 7.43 seconds: 121.20 ops/second
llite.lustre-ffff9b4607f9e800.statahead_max=0
1001

real	0m15.080s
user	0m0.040s
sys	0m3.193s
ls -l 1000 files without statahead: 15 sec
llite.lustre-ffff9b4607f9e800.statahead_max=128
128
1001

real	0m3.709s
user	0m0.025s
sys	0m1.853s
ls -l 1000 files with statahead: 3 sec
statahead total: 99
statahead wrong: 2
agl total: 96
list_total: 26
fname_total: 73
hit_total: 1363
miss_total: 1182
 - open/close 1020 (time 1775222762.25 total 10.00 last 101.99)
total: 2000 open/close in 18.82 seconds: 106.30 ops/second
llite.lustre-ffff9b4607f9e800.statahead_max=0
3001

real	0m42.528s
user	0m0.108s
sys	0m9.138s
ls -l 3000 files without statahead: 42 sec
llite.lustre-ffff9b4607f9e800.statahead_max=128
128
3001

real	0m10.173s
user	0m0.073s
sys	0m6.010s
ls -l 3000 files with statahead: 11 sec
statahead total: 100
statahead wrong: 2
agl total: 97
list_total: 27
fname_total: 73
hit_total: 4362
miss_total: 1183
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 32 seconds
llite.lustre-ffff9b4607f9e800.statahead_stats=
statahead total: 100
statahead wrong: 2
agl total: 97
list_total: 27
fname_total: 73
hit_total: 4362
miss_total: 1183
mdc.lustre-MDT0000-mdc-ffff9b4607f9e800.batch_stats=
snapshot_time:            1775222863.698889880 secs.nsecs
start_time:               1775222712.499988090 secs.nsecs
elapsed_time:             151.198901790 secs.nsecs
subreqs per batch   batches   % cum %
1:		        43  40  40
2:		         6   5  45
4:		         4   3  49
8:		         0   0  49
16:		         0   0  49
32:		        29  27  76
64:		        25  23 100
mdc.lustre-MDT0001-mdc-ffff9b4607f9e800.batch_stats=
snapshot_time:            1775222863.698959997 secs.nsecs
start_time:               1775222712.500056452 secs.nsecs
elapsed_time:             151.198903545 secs.nsecs
subreqs per batch   batches   % cum %
1:		        42  38  38
2:		         2   1  40
4:		         1   0  41
8:		         5   4  45
16:		         2   1  47
32:		         7   6  54
64:		        50  45 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536