== sanity test 123ab: verify statahead work by using statx ========================================================== 17:49:21 (1788817761)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa09890daf800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa09890daf800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.38 seconds: 29.57 ops/second
llite.lustre-ffffa09890daf800.statahead_max=0
100

real	0m3.260s
user	0m0.013s
sys	0m0.368s
'statx -l' 100 files without statahead: 4 sec
llite.lustre-ffffa09890daf800.statahead_max=128
llite.lustre-ffffa09890daf800.statahead_max=128
100

real	0m1.253s
user	0m0.014s
sys	0m0.192s
'statx -l' 100 files with statahead: 1 sec
statahead total: 118
statahead wrong: 2
agl total: 115
list_total: 27
fname_total: 89
hit_total: 1804
miss_total: 1609
swrong=2 ewrong=2
 - open/close 625 (time 1788817792.84 total 10.01 last 62.42)
total: 900 open/close in 14.37 seconds: 62.64 ops/second
llite.lustre-ffffa09890daf800.statahead_max=0
1000

real	0m27.082s
user	0m0.117s
sys	0m3.167s
'statx -l' 1000 files without statahead: 27 sec
llite.lustre-ffffa09890daf800.statahead_max=128
llite.lustre-ffffa09890daf800.statahead_max=128
1000

real	0m7.777s
user	0m0.094s
sys	0m1.540s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 119
statahead wrong: 2
agl total: 116
list_total: 28
fname_total: 89
hit_total: 2803
miss_total: 1609
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 24 seconds
llite.lustre-ffffa09890daf800.statahead_stats=
statahead total: 119
statahead wrong: 2
agl total: 116
list_total: 28
fname_total: 89
hit_total: 2803
miss_total: 1609
mdc.lustre-MDT0000-mdc-ffffa09890daf800.batch_stats=
snapshot_time:            1788817871.560076881 secs.nsecs
start_time:               1788817766.434749130 secs.nsecs
elapsed_time:             105.125327751 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  11  11
2:		         2   7  19
4:		         1   3  23
8:		         4  15  38
16:		         1   3  42
32:		         3  11  53
64:		        12  46 100
mdc.lustre-MDT0001-mdc-ffffa09890daf800.batch_stats=
snapshot_time:            1788817871.560142586 secs.nsecs
start_time:               1788817766.434847882 secs.nsecs
elapsed_time:             105.125294704 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  31  31
2:		         2   6  37
4:		         2   6  44
8:		         1   3  48
16:		         2   6  55
32:		         6  20  75
64:		         7  24 100
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