== sanity test 123ab: verify statahead work by using statx ========================================================== 20:56:57 (1789606617)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9041c688a800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9041c688a800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.66 seconds: 37.60 ops/second
llite.lustre-ffff9041c688a800.statahead_max=0
100

real	0m2.350s
user	0m0.007s
sys	0m0.294s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9041c688a800.statahead_max=128
llite.lustre-ffff9041c688a800.statahead_max=128
100

real	0m1.030s
user	0m0.014s
sys	0m0.176s
'statx -l' 100 files with statahead: 1 sec
statahead total: 104
statahead wrong: 2
agl total: 99
list_total: 27
fname_total: 74
hit_total: 1671
miss_total: 1303
swrong=2 ewrong=2
 - open/close 819 (time 1789606644.16 total 10.00 last 81.89)
total: 900 open/close in 11.17 seconds: 80.60 ops/second
llite.lustre-ffff9041c688a800.statahead_max=0
1000

real	0m20.445s
user	0m0.073s
sys	0m2.630s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff9041c688a800.statahead_max=128
llite.lustre-ffff9041c688a800.statahead_max=128
1000

real	0m5.115s
user	0m0.065s
sys	0m1.404s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 105
statahead wrong: 2
agl total: 100
list_total: 28
fname_total: 74
hit_total: 2670
miss_total: 1303
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff9041c688a800.statahead_stats=
statahead total: 105
statahead wrong: 2
agl total: 100
list_total: 28
fname_total: 74
hit_total: 2670
miss_total: 1303
mdc.lustre-MDT0000-mdc-ffff9041c688a800.batch_stats=
snapshot_time:            1789606699.591307670 secs.nsecs
start_time:               1789606621.355471938 secs.nsecs
elapsed_time:             78.235835732 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  15  15
2:		         1   3  19
4:		         1   3  23
8:		         2   7  30
16:		         3  11  42
32:		         3  11  53
64:		        12  46 100
mdc.lustre-MDT0001-mdc-ffff9041c688a800.batch_stats=
snapshot_time:            1789606699.592029550 secs.nsecs
start_time:               1789606621.355611203 secs.nsecs
elapsed_time:             78.236418347 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  20  20
2:		         1   4  25
4:		         3  12  37
8:		         1   4  41
16:		         1   4  45
32:		         6  25  70
64:		         7  29 100
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