== sanity test 123aa: verify statahead work ============== 21:00:58 (1770688858)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff936fc55ba000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff936fc55ba000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.91 seconds: 109.65 ops/second
llite.lustre-ffff936fc55ba000.statahead_max=0
101

real	0m0.935s
user	0m0.006s
sys	0m0.269s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff936fc55ba000.statahead_max=128
128
101

real	0m0.418s
user	0m0.006s
sys	0m0.328s
ls -l 100 files with statahead: 0 sec
statahead total: 95
statahead wrong: 2
agl total: 93
list_total: 23
fname_total: 58
hit_total: 614
miss_total: 1581
total: 900 open/close in 3.02 seconds: 298.41 ops/second
llite.lustre-ffff936fc55ba000.statahead_max=0
1001

real	0m8.726s
user	0m0.030s
sys	0m2.525s
ls -l 1000 files without statahead: 9 sec
llite.lustre-ffff936fc55ba000.statahead_max=128
128
1001

real	0m2.784s
user	0m0.018s
sys	0m1.775s
ls -l 1000 files with statahead: 3 sec
statahead total: 96
statahead wrong: 2
agl total: 94
list_total: 24
fname_total: 58
hit_total: 1613
miss_total: 1582
 - open/close 2788 (time 1770688892.96 total 10.00 last 278.79)
total: 4000 open/close in 14.54 seconds: 275.13 ops/second
llite.lustre-ffff936fc55ba000.statahead_max=0
5001

real	0m38.987s
user	0m0.135s
sys	0m12.163s
ls -l 5000 files without statahead: 39 sec
llite.lustre-ffff936fc55ba000.statahead_max=128
128
5001

real	0m14.866s
user	0m0.107s
sys	0m9.076s
ls -l 5000 files with statahead: 15 sec
statahead total: 97
statahead wrong: 2
agl total: 95
list_total: 25
fname_total: 58
hit_total: 6612
miss_total: 1583
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 39 seconds
llite.lustre-ffff936fc55ba000.statahead_stats=
statahead total: 97
statahead wrong: 2
agl total: 95
list_total: 25
fname_total: 58
hit_total: 6612
miss_total: 1583
mdc.lustre-MDT0000-mdc-ffff936fc55ba000.batch_stats=
snapshot_time:            1770688998.657131377 secs.nsecs
start_time:               1770688860.369354178 secs.nsecs
elapsed_time:             138.287777199 secs.nsecs
subreqs per batch   batches   % cum %
1:		        43  32  32
2:		         3   2  34
4:		         1   0  35
8:		         3   2  37
16:		         0   0  37
32:		        29  21  59
64:		        53  40 100
mdc.lustre-MDT0001-mdc-ffff936fc55ba000.batch_stats=
snapshot_time:            1770688998.657189803 secs.nsecs
start_time:               1770688860.369422048 secs.nsecs
elapsed_time:             138.287767755 secs.nsecs
subreqs per batch   batches   % cum %
1:		        56  36  36
2:		        10   6  42
4:		         2   1  43
8:		         2   1  45
16:		         2   1  46
32:		        13   8  54
64:		        70  45 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536