== sanity test 123aa: verify statahead work ============== 16:55:44 (1760129744)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff88bf08000000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88bf08000000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.46 seconds: 68.52 ops/second
llite.lustre-ffff88bf08000000.statahead_max=0
101

real	0m1.469s
user	0m0.006s
sys	0m0.296s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff88bf08000000.statahead_max=128
128
101

real	0m0.474s
user	0m0.002s
sys	0m0.209s
ls -l 100 files with statahead: 1 sec
statahead total: 126
statahead wrong: 2
agl total: 123
list_total: 24
fname_total: 102
hit_total: 340
miss_total: 1453
total: 900 open/close in 7.55 seconds: 119.26 ops/second
llite.lustre-ffff88bf08000000.statahead_max=0
1001

real	0m11.568s
user	0m0.032s
sys	0m2.818s
ls -l 1000 files without statahead: 12 sec
llite.lustre-ffff88bf08000000.statahead_max=128
128
1001

real	0m3.098s
user	0m0.021s
sys	0m1.732s
ls -l 1000 files with statahead: 3 sec
statahead total: 127
statahead wrong: 2
agl total: 124
list_total: 25
fname_total: 102
hit_total: 1339
miss_total: 1454
 - open/close 1102 (time 1760129790.41 total 10.00 last 110.20)
 - open/close 2528 (time 1760129800.42 total 20.01 last 142.53)
total: 3000 open/close in 22.90 seconds: 131.03 ops/second
llite.lustre-ffff88bf08000000.statahead_max=0
4001

real	0m43.945s
user	0m0.146s
sys	0m11.074s
ls -l 4000 files without statahead: 44 sec
llite.lustre-ffff88bf08000000.statahead_max=128
128
4001

real	0m11.324s
user	0m0.079s
sys	0m7.124s
ls -l 4000 files with statahead: 11 sec
statahead total: 128
statahead wrong: 2
agl total: 125
list_total: 26
fname_total: 102
hit_total: 5338
miss_total: 1455
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 35 seconds
llite.lustre-ffff88bf08000000.statahead_stats=
statahead total: 128
statahead wrong: 2
agl total: 125
list_total: 26
fname_total: 102
hit_total: 5338
miss_total: 1455
mdc.lustre-MDT0000-mdc-ffff88bf08000000.batch_stats=
snapshot_time:            1760129900.949947437 secs.nsecs
start_time:               1760129746.611607896 secs.nsecs
elapsed_time:             154.338339541 secs.nsecs
subreqs per batch   batches   % cum %
1:		        41  33  33
2:		         6   4  38
4:		         4   3  41
8:		         3   2  43
16:		         1   0  44
32:		        27  21  66
64:		        41  33 100
mdc.lustre-MDT0001-mdc-ffff88bf08000000.batch_stats=
snapshot_time:            1760129900.950017244 secs.nsecs
start_time:               1760129746.611695119 secs.nsecs
elapsed_time:             154.338322125 secs.nsecs
subreqs per batch   batches   % cum %
1:		        39  30  30
2:		         8   6  36
4:		         4   3  39
8:		         5   3  43
16:		         3   2  46
32:		        10   7  53
64:		        59  46 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536