== sanity test 123ab: verify statahead work by using statx ========================================================== 02:54:24 (1779692064)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff98884cd12800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98884cd12800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.61 seconds: 62.25 ops/second
llite.lustre-ffff98884cd12800.statahead_max=0
100

real	0m1.452s
user	0m0.007s
sys	0m0.294s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff98884cd12800.statahead_max=128
llite.lustre-ffff98884cd12800.statahead_max=128
100

real	0m0.459s
user	0m0.004s
sys	0m0.179s
'statx -l' 100 files with statahead: 0 sec
statahead total: 115
statahead wrong: 2
agl total: 111
list_total: 26
fname_total: 88
hit_total: 1730
miss_total: 982
swrong=2 ewrong=2
total: 900 open/close in 7.22 seconds: 124.62 ops/second
llite.lustre-ffff98884cd12800.statahead_max=0
1000

real	0m15.262s
user	0m0.070s
sys	0m2.837s
'statx -l' 1000 files without statahead: 15 sec
llite.lustre-ffff98884cd12800.statahead_max=128
llite.lustre-ffff98884cd12800.statahead_max=128
1000

real	0m3.607s
user	0m0.048s
sys	0m1.494s
'statx -l' 1000 files with statahead: 4 sec
statahead total: 116
statahead wrong: 2
agl total: 112
list_total: 27
fname_total: 88
hit_total: 2729
miss_total: 982
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 11 seconds
llite.lustre-ffff98884cd12800.statahead_stats=
statahead total: 116
statahead wrong: 2
agl total: 112
list_total: 27
fname_total: 88
hit_total: 2729
miss_total: 982
mdc.lustre-MDT0000-mdc-ffff98884cd12800.batch_stats=
snapshot_time:            1779692118.026585059 secs.nsecs
start_time:               1779692066.973284954 secs.nsecs
elapsed_time:             51.053300105 secs.nsecs
subreqs per batch   batches   % cum %
1:		        10  30  30
2:		         2   6  36
4:		         0   0  36
8:		         5  15  51
16:		         2   6  57
32:		         1   3  60
64:		        13  39 100
mdc.lustre-MDT0001-mdc-ffff98884cd12800.batch_stats=
snapshot_time:            1779692118.026665439 secs.nsecs
start_time:               1779692066.973344356 secs.nsecs
elapsed_time:             51.053321083 secs.nsecs
subreqs per batch   batches   % cum %
1:		        16  47  47
2:		         2   5  52
4:		         1   2  55
8:		         1   2  58
16:		         1   2  61
32:		         7  20  82
64:		         6  17 100
unlink(/mnt/lustre/d123ab.sanity/f123ab.sanity0) error: No such file or directory
total: 0 unlinks in 0 seconds: -nan unlinks/second
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536