== sanity test 123ab: verify statahead work by using statx ========================================================== 12:49:46 (1788194986)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff89e750f5c800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff89e750f5c800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.50 seconds: 28.58 ops/second
llite.lustre-ffff89e750f5c800.statahead_max=0
100

real	0m3.151s
user	0m0.015s
sys	0m0.346s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff89e750f5c800.statahead_max=128
llite.lustre-ffff89e750f5c800.statahead_max=128
100

real	0m1.066s
user	0m0.007s
sys	0m0.134s
'statx -l' 100 files with statahead: 1 sec
statahead total: 140
statahead wrong: 2
agl total: 136
list_total: 26
fname_total: 111
hit_total: 1879
miss_total: 1492
swrong=2 ewrong=2
 - open/close 751 (time 1788195017.33 total 10.01 last 75.02)
total: 900 open/close in 12.33 seconds: 73.01 ops/second
llite.lustre-ffff89e750f5c800.statahead_max=0
1000

real	0m24.882s
user	0m0.088s
sys	0m3.012s
'statx -l' 1000 files without statahead: 25 sec
llite.lustre-ffff89e750f5c800.statahead_max=128
llite.lustre-ffff89e750f5c800.statahead_max=128
1000

real	0m6.664s
user	0m0.063s
sys	0m1.512s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 141
statahead wrong: 2
agl total: 137
list_total: 27
fname_total: 111
hit_total: 2878
miss_total: 1492
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff89e750f5c800.statahead_stats=
statahead total: 141
statahead wrong: 2
agl total: 137
list_total: 27
fname_total: 111
hit_total: 2878
miss_total: 1492
mdc.lustre-MDT0000-mdc-ffff89e750f5c800.batch_stats=
snapshot_time:            1788195085.505093991 secs.nsecs
start_time:               1788194991.326562812 secs.nsecs
elapsed_time:             94.178531179 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  19  19
2:		         1   3  23
4:		         1   3  26
8:		         2   7  34
16:		         2   7  42
32:		         3  11  53
64:		        12  46 100
mdc.lustre-MDT0001-mdc-ffff89e750f5c800.batch_stats=
snapshot_time:            1788195085.505183714 secs.nsecs
start_time:               1788194991.326703127 secs.nsecs
elapsed_time:             94.178480587 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         2  10  15
4:		         2  10  25
8:		         2  10  35
16:		         0   0  35
32:		         7  35  70
64:		         6  30 100
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