== sanity test 123ab: verify statahead work by using statx ========================================================== 00:53:37 (1783140817)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8bdd04395000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8bdd04395000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.87 seconds: 34.86 ops/second
llite.lustre-ffff8bdd04395000.statahead_max=0
100

real	0m2.178s
user	0m0.007s
sys	0m0.333s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8bdd04395000.statahead_max=128
llite.lustre-ffff8bdd04395000.statahead_max=128
100

real	0m1.118s
user	0m0.010s
sys	0m0.178s
'statx -l' 100 files with statahead: 1 sec
statahead total: 121
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 93
hit_total: 1581
miss_total: 1288
swrong=2 ewrong=2
 - open/close 750 (time 1783140844.38 total 10.01 last 74.93)
total: 900 open/close in 12.34 seconds: 72.92 ops/second
llite.lustre-ffff8bdd04395000.statahead_max=0
1000

real	0m23.126s
user	0m0.090s
sys	0m3.113s
'statx -l' 1000 files without statahead: 23 sec
llite.lustre-ffff8bdd04395000.statahead_max=128
llite.lustre-ffff8bdd04395000.statahead_max=128
1000

real	0m6.195s
user	0m0.056s
sys	0m1.478s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 122
statahead wrong: 2
agl total: 118
list_total: 28
fname_total: 93
hit_total: 2580
miss_total: 1288
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff8bdd04395000.statahead_stats=
statahead total: 122
statahead wrong: 2
agl total: 118
list_total: 28
fname_total: 93
hit_total: 2580
miss_total: 1288
mdc.lustre-MDT0000-mdc-ffff8bdd04395000.batch_stats=
snapshot_time:            1783140909.447285739 secs.nsecs
start_time:               1783140821.337869058 secs.nsecs
elapsed_time:             88.109416681 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6  24  24
2:		         0   0  24
4:		         0   0  24
8:		         3  12  36
16:		         2   8  44
32:		         2   8  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff8bdd04395000.batch_stats=
snapshot_time:            1783140909.447365521 secs.nsecs
start_time:               1783140821.338049976 secs.nsecs
elapsed_time:             88.109315545 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         4  19  23
4:		         2   9  33
8:		         1   4  38
16:		         0   0  38
32:		         7  33  71
64:		         6  28 100
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