== sanity test 123ab: verify statahead work by using statx ========================================================== 09:14:31 (1788268471)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8ba547ff9800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8ba547ff9800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.41 seconds: 70.84 ops/second
llite.lustre-ffff8ba547ff9800.statahead_max=0
100

real	0m1.128s
user	0m0.012s
sys	0m0.306s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff8ba547ff9800.statahead_max=128
llite.lustre-ffff8ba547ff9800.statahead_max=128
100

real	0m0.363s
user	0m0.009s
sys	0m0.207s
'statx -l' 100 files with statahead: 0 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 27
fname_total: 80
hit_total: 1893
miss_total: 1276
swrong=2 ewrong=2
total: 900 open/close in 6.80 seconds: 132.34 ops/second
llite.lustre-ffff8ba547ff9800.statahead_max=0
1000

real	0m11.820s
user	0m0.085s
sys	0m2.636s
'statx -l' 1000 files without statahead: 12 sec
llite.lustre-ffff8ba547ff9800.statahead_max=128
llite.lustre-ffff8ba547ff9800.statahead_max=128
1000

real	0m3.108s
user	0m0.044s
sys	0m1.576s
'statx -l' 1000 files with statahead: 4 sec
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 28
fname_total: 80
hit_total: 2892
miss_total: 1276
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 8 seconds
llite.lustre-ffff8ba547ff9800.statahead_stats=
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 28
fname_total: 80
hit_total: 2892
miss_total: 1276
mdc.lustre-MDT0000-mdc-ffff8ba547ff9800.batch_stats=
snapshot_time:            1788268514.664470903 secs.nsecs
start_time:               1788268474.024556097 secs.nsecs
elapsed_time:             40.639914806 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        14  40  40
2:		         1   2  42
4:		         0   0  42
8:		         2   5  48
16:		         1   2  51
32:		         6  17  68
64:		        11  31 100
mdc.lustre-MDT0001-mdc-ffff8ba547ff9800.batch_stats=
snapshot_time:            1788268514.664532433 secs.nsecs
start_time:               1788268474.024663082 secs.nsecs
elapsed_time:             40.639869351 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        17  47  47
2:		         2   5  52
4:		         2   5  58
8:		         1   2  61
16:		         1   2  63
32:		         5  13  77
64:		         8  22 100
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