== sanity test 123ab: verify statahead work by using statx ========================================================== 01:22:20 (1786080140)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8a6dc2bd2000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a6dc2bd2000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.40 seconds: 29.44 ops/second
llite.lustre-ffff8a6dc2bd2000.statahead_max=0
100

real	0m2.867s
user	0m0.011s
sys	0m0.357s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8a6dc2bd2000.statahead_max=128
llite.lustre-ffff8a6dc2bd2000.statahead_max=128
100

real	0m1.140s
user	0m0.009s
sys	0m0.193s
'statx -l' 100 files with statahead: 1 sec
statahead total: 93
statahead wrong: 1
agl total: 89
list_total: 29
fname_total: 62
hit_total: 1816
miss_total: 262
swrong=1 ewrong=1
 - open/close 663 (time 1786080170.06 total 10.00 last 66.27)
total: 900 open/close in 12.96 seconds: 69.46 ops/second
llite.lustre-ffff8a6dc2bd2000.statahead_max=0
1000

real	0m23.791s
user	0m0.098s
sys	0m3.287s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff8a6dc2bd2000.statahead_max=128
llite.lustre-ffff8a6dc2bd2000.statahead_max=128
1000

real	0m7.289s
user	0m0.064s
sys	0m1.443s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 94
statahead wrong: 1
agl total: 90
list_total: 30
fname_total: 62
hit_total: 2815
miss_total: 262
swrong=1 ewrong=1
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 25 seconds
llite.lustre-ffff8a6dc2bd2000.statahead_stats=
statahead total: 94
statahead wrong: 1
agl total: 90
list_total: 30
fname_total: 62
hit_total: 2815
miss_total: 262
mdc.lustre-MDT0000-mdc-ffff8a6dc2bd2000.batch_stats=
snapshot_time:            1786080244.436965696 secs.nsecs
start_time:               1786080144.861612034 secs.nsecs
elapsed_time:             99.575353662 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  17  17
2:		         1   3  21
4:		         2   7  28
8:		         2   7  35
16:		         3  10  46
32:		         3  10  57
64:		        12  42 100
mdc.lustre-MDT0001-mdc-ffff8a6dc2bd2000.batch_stats=
snapshot_time:            1786080244.438776934 secs.nsecs
start_time:               1786080144.861821866 secs.nsecs
elapsed_time:             99.576955068 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  14  14
2:		         5  18  33
4:		         2   7  40
8:		         3  11  51
16:		         0   0  51
32:		         9  33  85
64:		         4  14 100
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