== sanity test 123ab: verify statahead work by using statx ========================================================== 22:10:51 (1788919851)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8c68d8fb6800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8c68d8fb6800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.20 seconds: 83.02 ops/second
llite.lustre-ffff8c68d8fb6800.statahead_max=0
100

real	0m1.118s
user	0m0.009s
sys	0m0.322s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8c68d8fb6800.statahead_max=128
llite.lustre-ffff8c68d8fb6800.statahead_max=128
100

real	0m0.434s
user	0m0.006s
sys	0m0.207s
'statx -l' 100 files with statahead: 1 sec
statahead total: 138
statahead wrong: 2
agl total: 134
list_total: 27
fname_total: 101
hit_total: 1872
miss_total: 1289
swrong=2 ewrong=2
total: 900 open/close in 5.63 seconds: 159.81 ops/second
llite.lustre-ffff8c68d8fb6800.statahead_max=0
1000

real	0m11.099s
user	0m0.072s
sys	0m2.959s
'statx -l' 1000 files without statahead: 11 sec
llite.lustre-ffff8c68d8fb6800.statahead_max=128
llite.lustre-ffff8c68d8fb6800.statahead_max=128
1000

real	0m3.152s
user	0m0.038s
sys	0m1.932s
'statx -l' 1000 files with statahead: 3 sec
statahead total: 139
statahead wrong: 2
agl total: 135
list_total: 28
fname_total: 101
hit_total: 2871
miss_total: 1289
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 9 seconds
llite.lustre-ffff8c68d8fb6800.statahead_stats=
statahead total: 139
statahead wrong: 2
agl total: 135
list_total: 28
fname_total: 101
hit_total: 2871
miss_total: 1289
mdc.lustre-MDT0000-mdc-ffff8c68d8fb6800.batch_stats=
snapshot_time:            1788919891.949157135 secs.nsecs
start_time:               1788919853.532100956 secs.nsecs
elapsed_time:             38.417056179 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        13  37  37
2:		         0   0  37
4:		         3   8  45
8:		         2   5  51
16:		         3   8  60
32:		         2   5  65
64:		        12  34 100
mdc.lustre-MDT0001-mdc-ffff8c68d8fb6800.batch_stats=
snapshot_time:            1788919891.949218392 secs.nsecs
start_time:               1788919853.532157231 secs.nsecs
elapsed_time:             38.417061161 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  35  35
2:		         0   0  35
4:		         4  14  50
8:		         1   3  53
16:		         0   0  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