== sanity test 123ab: verify statahead work by using statx ========================================================== 02:16:53 (1789453013)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8cbac2e71800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8cbac2e71800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.89 seconds: 34.58 ops/second
llite.lustre-ffff8cbac2e71800.statahead_max=0
100

real	0m2.838s
user	0m0.007s
sys	0m0.281s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8cbac2e71800.statahead_max=128
llite.lustre-ffff8cbac2e71800.statahead_max=128
100

real	0m0.896s
user	0m0.007s
sys	0m0.143s
'statx -l' 100 files with statahead: 1 sec
statahead total: 124
statahead wrong: 2
agl total: 120
list_total: 27
fname_total: 71
hit_total: 1683
miss_total: 1410
swrong=2 ewrong=2
 - open/close 719 (time 1789453041.25 total 10.01 last 71.83)
total: 900 open/close in 12.70 seconds: 70.88 ops/second
llite.lustre-ffff8cbac2e71800.statahead_max=0
1000

real	0m22.259s
user	0m0.082s
sys	0m2.877s
'statx -l' 1000 files without statahead: 23 sec
llite.lustre-ffff8cbac2e71800.statahead_max=128
llite.lustre-ffff8cbac2e71800.statahead_max=128
1000

real	0m4.806s
user	0m0.059s
sys	0m1.405s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 125
statahead wrong: 2
agl total: 121
list_total: 28
fname_total: 71
hit_total: 2682
miss_total: 1410
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff8cbac2e71800.statahead_stats=
statahead total: 125
statahead wrong: 2
agl total: 121
list_total: 28
fname_total: 71
hit_total: 2682
miss_total: 1410
mdc.lustre-MDT0000-mdc-ffff8cbac2e71800.batch_stats=
snapshot_time:            1789453100.929509760 secs.nsecs
start_time:               1789453017.063262955 secs.nsecs
elapsed_time:             83.866246805 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         1   4  16
4:		         0   0  16
8:		         4  16  32
16:		         1   4  36
32:		         4  16  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff8cbac2e71800.batch_stats=
snapshot_time:            1789453100.929585902 secs.nsecs
start_time:               1789453017.063374526 secs.nsecs
elapsed_time:             83.866211376 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         2  10  15
4:		         2  10  25
8:		         1   5  30
16:		         1   5  35
32:		         5  25  60
64:		         8  40 100
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