== sanity test 123ab: verify statahead work by using statx ========================================================== 23:51:11 (1788753071)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff88b28352c000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88b28352c000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.50 seconds: 40.08 ops/second
llite.lustre-ffff88b28352c000.statahead_max=0
100

real	0m2.212s
user	0m0.009s
sys	0m0.299s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff88b28352c000.statahead_max=128
llite.lustre-ffff88b28352c000.statahead_max=128
100

real	0m0.812s
user	0m0.011s
sys	0m0.168s
'statx -l' 100 files with statahead: 1 sec
statahead total: 120
statahead wrong: 2
agl total: 117
list_total: 26
fname_total: 88
hit_total: 1857
miss_total: 1479
swrong=2 ewrong=2
 - open/close 831 (time 1788753096.80 total 10.00 last 83.08)
total: 900 open/close in 10.85 seconds: 82.91 ops/second
llite.lustre-ffff88b28352c000.statahead_max=0
1000

real	0m20.011s
user	0m0.076s
sys	0m2.766s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff88b28352c000.statahead_max=128
llite.lustre-ffff88b28352c000.statahead_max=128
1000

real	0m4.990s
user	0m0.064s
sys	0m1.319s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 27
fname_total: 88
hit_total: 2856
miss_total: 1479
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff88b28352c000.statahead_stats=
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 27
fname_total: 88
hit_total: 2856
miss_total: 1479
mdc.lustre-MDT0000-mdc-ffff88b28352c000.batch_stats=
snapshot_time:            1788753151.447324709 secs.nsecs
start_time:               1788753075.490246916 secs.nsecs
elapsed_time:             75.957077793 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  16  16
2:		         0   0  16
4:		         2   8  24
8:		         1   4  28
16:		         4  16  44
32:		         2   8  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff88b28352c000.batch_stats=
snapshot_time:            1788753151.447385413 secs.nsecs
start_time:               1788753075.490327536 secs.nsecs
elapsed_time:             75.957057877 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2  10  10
2:		         0   0  10
4:		         2  10  20
8:		         3  15  35
16:		         0   0  35
32:		         6  30  65
64:		         7  35 100
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