== sanity test 123aa: verify statahead work ============== 09:14:05 (1788354845)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff98dbbbd13800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98dbbbd13800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.63 seconds: 158.51 ops/second
llite.lustre-ffff98dbbbd13800.statahead_max=0
101

real	0m0.651s
user	0m0.004s
sys	0m0.257s
'ls -l' 100 files without statahead: 1 sec
llite.lustre-ffff98dbbbd13800.statahead_max=128
llite.lustre-ffff98dbbbd13800.statahead_max=128
101

real	0m0.416s
user	0m0.003s
sys	0m0.258s
'ls -l' 100 files with statahead: 0 sec
statahead total: 49
statahead wrong: 2
agl total: 47
list_total: 20
fname_total: 29
hit_total: 960
miss_total: 1231
swrong=2 ewrong=2
total: 900 open/close in 1.88 seconds: 478.01 ops/second
llite.lustre-ffff98dbbbd13800.statahead_max=0
1001

real	0m6.031s
user	0m0.018s
sys	0m2.337s
'ls -l' 1000 files without statahead: 6 sec
llite.lustre-ffff98dbbbd13800.statahead_max=128
llite.lustre-ffff98dbbbd13800.statahead_max=128
1001

real	0m3.151s
user	0m0.016s
sys	0m2.117s
'ls -l' 1000 files with statahead: 3 sec
statahead total: 50
statahead wrong: 2
agl total: 48
list_total: 21
fname_total: 29
hit_total: 1959
miss_total: 1232
swrong=2 ewrong=2
'ls -l' done
unlink + rm -r /mnt/lustre/d123aa.sanity: 5 seconds
llite.lustre-ffff98dbbbd13800.statahead_stats=
statahead total: 50
statahead wrong: 2
agl total: 48
list_total: 21
fname_total: 29
hit_total: 1959
miss_total: 1232
mdc.lustre-MDT0000-mdc-ffff98dbbbd13800.batch_stats=
snapshot_time:            1788354870.424558886 secs.nsecs
start_time:               1788354847.078059807 secs.nsecs
elapsed_time:             23.346499079 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  28  28
2:		         1   4  32
4:		         2   8  40
8:		         2   8  48
16:		         0   0  48
32:		         8  32  80
64:		         5  20 100
mdc.lustre-MDT0001-mdc-ffff98dbbbd13800.batch_stats=
snapshot_time:            1788354870.424657511 secs.nsecs
start_time:               1788354847.078120085 secs.nsecs
elapsed_time:             23.346537426 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        11  33  33
2:		         2   6  39
4:		         1   3  42
8:		         2   6  48
16:		         3   9  57
32:		         2   6  63
64:		        12  36 100
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