== sanity test 123aa: verify statahead work ============== 06:14:30 (1789121670)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff949ec801b800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff949ec801b800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123aa.sanity
total: 100 open/close in 2.67 seconds: 37.44 ops/second
llite.lustre-ffff949ec801b800.statahead_max=0
101

real	0m2.020s
user	0m0.004s
sys	0m0.299s
'ls -l' 100 files without statahead: 2 sec
llite.lustre-ffff949ec801b800.statahead_max=128
llite.lustre-ffff949ec801b800.statahead_max=128
101

real	0m0.922s
user	0m0.002s
sys	0m0.151s
'ls -l' 100 files with statahead: 1 sec
statahead total: 91
statahead wrong: 2
agl total: 88
list_total: 24
fname_total: 58
hit_total: 945
miss_total: 764
swrong=2 ewrong=2
 - open/close 891 (time 1789121698.91 total 10.01 last 89.04)
total: 900 open/close in 10.10 seconds: 89.11 ops/second
llite.lustre-ffff949ec801b800.statahead_max=0
1001

real	0m19.036s
user	0m0.027s
sys	0m2.733s
'ls -l' 1000 files without statahead: 19 sec
llite.lustre-ffff949ec801b800.statahead_max=128
llite.lustre-ffff949ec801b800.statahead_max=128
1001

real	0m4.769s
user	0m0.028s
sys	0m1.395s
'ls -l' 1000 files with statahead: 5 sec
statahead total: 92
statahead wrong: 2
agl total: 89
list_total: 25
fname_total: 58
hit_total: 1944
miss_total: 765
swrong=2 ewrong=2
'ls -l' done
unlink + rm -r /mnt/lustre/d123aa.sanity: 17 seconds
llite.lustre-ffff949ec801b800.statahead_stats=
statahead total: 92
statahead wrong: 2
agl total: 89
list_total: 25
fname_total: 58
hit_total: 1944
miss_total: 765
mdc.lustre-MDT0000-mdc-ffff949ec801b800.batch_stats=
snapshot_time:            1789121751.450866242 secs.nsecs
start_time:               1789121675.854528214 secs.nsecs
elapsed_time:             75.596338028 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  17  17
2:		         2   8  26
4:		         4  17  43
8:		         0   0  43
16:		         1   4  47
32:		         8  34  82
64:		         4  17 100
mdc.lustre-MDT0001-mdc-ffff949ec801b800.batch_stats=
snapshot_time:            1789121751.451018622 secs.nsecs
start_time:               1789121675.854644162 secs.nsecs
elapsed_time:             75.596374460 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  27  27
2:		         0   0  27
4:		         2   6  34
8:		         3  10  44
16:		         2   6  51
32:		         1   3  55
64:		        13  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