== sanity test 123ab: verify statahead work by using statx ========================================================== 11:57:39 (1786636659)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9db6085d0800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9db6085d0800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.03 seconds: 49.22 ops/second
llite.lustre-ffff9db6085d0800.statahead_max=0
100

real	0m1.892s
user	0m0.006s
sys	0m0.320s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9db6085d0800.statahead_max=128
llite.lustre-ffff9db6085d0800.statahead_max=128
100

real	0m0.875s
user	0m0.009s
sys	0m0.165s
'statx -l' 100 files with statahead: 1 sec
statahead total: 138
statahead wrong: 2
agl total: 134
list_total: 27
fname_total: 108
hit_total: 1889
miss_total: 1573
swrong=2 ewrong=2
total: 900 open/close in 9.64 seconds: 93.37 ops/second
llite.lustre-ffff9db6085d0800.statahead_max=0
1000

real	0m17.084s
user	0m0.068s
sys	0m2.861s
'statx -l' 1000 files without statahead: 17 sec
llite.lustre-ffff9db6085d0800.statahead_max=128
llite.lustre-ffff9db6085d0800.statahead_max=128
1000

real	0m5.566s
user	0m0.073s
sys	0m1.389s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 139
statahead wrong: 2
agl total: 135
list_total: 28
fname_total: 108
hit_total: 2888
miss_total: 1573
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 17 seconds
llite.lustre-ffff9db6085d0800.statahead_stats=
statahead total: 139
statahead wrong: 2
agl total: 135
list_total: 28
fname_total: 108
hit_total: 2888
miss_total: 1573
mdc.lustre-MDT0000-mdc-ffff9db6085d0800.batch_stats=
snapshot_time:            1786636736.533528132 secs.nsecs
start_time:               1786636664.283028208 secs.nsecs
elapsed_time:             72.250499924 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  11  11
2:		         3  11  22
4:		         0   0  22
8:		         3  11  33
16:		         2   7  40
32:		         7  25  66
64:		         9  33 100
mdc.lustre-MDT0001-mdc-ffff9db6085d0800.batch_stats=
snapshot_time:            1786636736.533593145 secs.nsecs
start_time:               1786636664.283194948 secs.nsecs
elapsed_time:             72.250398197 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  25  25
2:		         3  10  35
4:		         3  10  46
8:		         1   3  50
16:		         1   3  53
32:		         6  21  75
64:		         7  25 100
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