== sanity test 123ab: verify statahead work by using statx ========================================================== 06:13:38 (1788689618)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa0708a3da800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa0708a3da800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.72 seconds: 36.72 ops/second
llite.lustre-ffffa0708a3da800.statahead_max=0
100

real	0m2.529s
user	0m0.008s
sys	0m0.304s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffffa0708a3da800.statahead_max=128
llite.lustre-ffffa0708a3da800.statahead_max=128
100

real	0m0.851s
user	0m0.007s
sys	0m0.148s
'statx -l' 100 files with statahead: 1 sec
statahead total: 140
statahead wrong: 2
agl total: 136
list_total: 26
fname_total: 73
hit_total: 1699
miss_total: 1721
swrong=2 ewrong=2
 - open/close 688 (time 1788689647.66 total 10.01 last 68.72)
total: 900 open/close in 13.24 seconds: 68.00 ops/second
llite.lustre-ffffa0708a3da800.statahead_max=0
1000

real	0m25.298s
user	0m0.078s
sys	0m2.662s
'statx -l' 1000 files without statahead: 25 sec
llite.lustre-ffffa0708a3da800.statahead_max=128
llite.lustre-ffffa0708a3da800.statahead_max=128
1000

real	0m7.295s
user	0m0.091s
sys	0m1.405s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 141
statahead wrong: 2
agl total: 137
list_total: 27
fname_total: 73
hit_total: 2698
miss_total: 1721
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 24 seconds
llite.lustre-ffffa0708a3da800.statahead_stats=
statahead total: 141
statahead wrong: 2
agl total: 137
list_total: 27
fname_total: 73
hit_total: 2698
miss_total: 1721
mdc.lustre-MDT0000-mdc-ffffa0708a3da800.batch_stats=
snapshot_time:            1788689718.612291605 secs.nsecs
start_time:               1788689624.380895110 secs.nsecs
elapsed_time:             94.231396495 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  13
4:		         5  21  34
8:		         1   4  39
16:		         0   0  39
32:		         2   8  47
64:		        12  52 100
mdc.lustre-MDT0001-mdc-ffffa0708a3da800.batch_stats=
snapshot_time:            1788689718.612358896 secs.nsecs
start_time:               1788689624.381002156 secs.nsecs
elapsed_time:             94.231356740 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         2   8  13
4:		         1   4  17
8:		         4  17  34
16:		         1   4  39
32:		         4  17  56
64:		        10  43 100
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