== sanity test 123aa: verify statahead work ============== 00:12:11 (1789186331)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9f282e6c7000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9f282e6c7000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123aa.sanity
total: 100 open/close in 2.01 seconds: 49.80 ops/second
llite.lustre-ffff9f282e6c7000.statahead_max=0
101

real	0m1.937s
user	0m0.007s
sys	0m0.297s
'ls -l' 100 files without statahead: 2 sec
llite.lustre-ffff9f282e6c7000.statahead_max=128
llite.lustre-ffff9f282e6c7000.statahead_max=128
101

real	0m0.910s
user	0m0.006s
sys	0m0.172s
'ls -l' 100 files with statahead: 1 sec
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 25
fname_total: 81
hit_total: 303
miss_total: 1622
swrong=2 ewrong=2
total: 900 open/close in 9.95 seconds: 90.46 ops/second
llite.lustre-ffff9f282e6c7000.statahead_max=0
1001

real	0m17.632s
user	0m0.033s
sys	0m2.724s
'ls -l' 1000 files without statahead: 17 sec
llite.lustre-ffff9f282e6c7000.statahead_max=128
llite.lustre-ffff9f282e6c7000.statahead_max=128
1001

real	0m5.582s
user	0m0.036s
sys	0m1.430s
'ls -l' 1000 files with statahead: 5 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 26
fname_total: 81
hit_total: 1302
miss_total: 1623
swrong=2 ewrong=2
'ls -l' done
unlink + rm -r /mnt/lustre/d123aa.sanity: 18 seconds
llite.lustre-ffff9f282e6c7000.statahead_stats=
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 26
fname_total: 81
hit_total: 1302
miss_total: 1623
mdc.lustre-MDT0000-mdc-ffff9f282e6c7000.batch_stats=
snapshot_time:            1789186408.382589578 secs.nsecs
start_time:               1789186335.694582188 secs.nsecs
elapsed_time:             72.688007390 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  17  17
2:		         2   8  26
4:		         1   4  30
8:		         2   8  39
16:		         1   4  43
32:		        11  47  91
64:		         2   8 100
mdc.lustre-MDT0001-mdc-ffff9f282e6c7000.batch_stats=
snapshot_time:            1789186408.382677487 secs.nsecs
start_time:               1789186335.694772305 secs.nsecs
elapsed_time:             72.687905182 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         3  12  20
4:		         1   4  25
8:		         2   8  33
16:		         2   8  41
32:		         0   0  41
64:		        14  58 100
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