== sanity test 123ab: verify statahead work by using statx ========================================================== 03:42:59 (1789026179)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff95aa04f95000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff95aa04f95000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.71 seconds: 36.96 ops/second
llite.lustre-ffff95aa04f95000.statahead_max=0
100

real	0m2.357s
user	0m0.009s
sys	0m0.290s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff95aa04f95000.statahead_max=128
llite.lustre-ffff95aa04f95000.statahead_max=128
100

real	0m0.741s
user	0m0.003s
sys	0m0.147s
'statx -l' 100 files with statahead: 1 sec
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 27
fname_total: 95
hit_total: 2081
miss_total: 1290
swrong=2 ewrong=2
 - open/close 744 (time 1789026206.48 total 10.01 last 74.32)
total: 900 open/close in 12.47 seconds: 72.18 ops/second
llite.lustre-ffff95aa04f95000.statahead_max=0
1000

real	0m25.945s
user	0m0.074s
sys	0m2.878s
'statx -l' 1000 files without statahead: 26 sec
llite.lustre-ffff95aa04f95000.statahead_max=128
llite.lustre-ffff95aa04f95000.statahead_max=128
1000

real	0m4.957s
user	0m0.055s
sys	0m1.302s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 123
statahead wrong: 2
agl total: 120
list_total: 28
fname_total: 95
hit_total: 3080
miss_total: 1290
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff95aa04f95000.statahead_stats=
statahead total: 123
statahead wrong: 2
agl total: 120
list_total: 28
fname_total: 95
hit_total: 3080
miss_total: 1290
mdc.lustre-MDT0000-mdc-ffff95aa04f95000.batch_stats=
snapshot_time:            1789026272.766534379 secs.nsecs
start_time:               1789026184.143623541 secs.nsecs
elapsed_time:             88.622910838 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
2:		         2   9   9
4:		         1   4  13
8:		         4  18  31
16:		         1   4  36
32:		         5  22  59
64:		         9  40 100
mdc.lustre-MDT0001-mdc-ffff95aa04f95000.batch_stats=
snapshot_time:            1789026272.766599596 secs.nsecs
start_time:               1789026184.143779001 secs.nsecs
elapsed_time:             88.622820595 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  16  16
2:		         2   8  24
4:		         2   8  32
8:		         1   4  36
16:		         2   8  44
32:		         5  20  64
64:		         9  36 100
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