== sanity test 123aa: verify statahead work ============== 22:07:19 (1788919639)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9fb19877a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9fb19877a000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.95 seconds: 51.20 ops/second
llite.lustre-ffff9fb19877a000.statahead_max=0
101

real	0m1.651s
user	0m0.003s
sys	0m0.287s
'ls -l' 100 files without statahead: 2 sec
llite.lustre-ffff9fb19877a000.statahead_max=128
llite.lustre-ffff9fb19877a000.statahead_max=128
101

real	0m0.521s
user	0m0.003s
sys	0m0.175s
'ls -l' 100 files with statahead: 1 sec
statahead total: 57
statahead wrong: 2
agl total: 49
list_total: 16
fname_total: 36
hit_total: 1286
miss_total: 1206
swrong=2 ewrong=2
total: 900 open/close in 8.48 seconds: 106.08 ops/second
llite.lustre-ffff9fb19877a000.statahead_max=0
1001

real	0m17.142s
user	0m0.045s
sys	0m2.994s
'ls -l' 1000 files without statahead: 17 sec
llite.lustre-ffff9fb19877a000.statahead_max=128
llite.lustre-ffff9fb19877a000.statahead_max=128
1001

real	0m4.470s
user	0m0.021s
sys	0m1.646s
'ls -l' 1000 files with statahead: 4 sec
statahead total: 58
statahead wrong: 2
agl total: 50
list_total: 17
fname_total: 36
hit_total: 2285
miss_total: 1207
swrong=2 ewrong=2
'ls -l' done
unlink + rm -r /mnt/lustre/d123aa.sanity: 14 seconds
llite.lustre-ffff9fb19877a000.statahead_stats=
statahead total: 58
statahead wrong: 2
agl total: 50
list_total: 17
fname_total: 36
hit_total: 2285
miss_total: 1207
mdc.lustre-MDT0000-mdc-ffff9fb19877a000.batch_stats=
snapshot_time:            1788919703.185934003 secs.nsecs
start_time:               1788919642.654994181 secs.nsecs
elapsed_time:             60.530939822 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  30  30
2:		         2   7  38
4:		         2   7  46
8:		         0   0  46
16:		         1   3  50
32:		        10  38  88
64:		         3  11 100
mdc.lustre-MDT0001-mdc-ffff9fb19877a000.batch_stats=
snapshot_time:            1788919703.186014251 secs.nsecs
start_time:               1788919642.655075706 secs.nsecs
elapsed_time:             60.530938545 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  14  14
2:		         1   3  18
4:		         0   0  18
8:		         3  11  29
16:		         3  11  40
32:		         4  14  55
64:		        12  44 100
unlink(/mnt/lustre/d123aa.sanity/f123aa.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