== sanity test 123aa: verify statahead work ============== 07:02:29 (1773658949)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8909210df800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8909210df800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.81 seconds: 124.07 ops/second
llite.lustre-ffff8909210df800.statahead_max=0
101

real	0m0.844s
user	0m0.004s
sys	0m0.286s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff8909210df800.statahead_max=128
128
101

real	0m0.384s
user	0m0.002s
sys	0m0.223s
ls -l 100 files with statahead: 0 sec
statahead total: 141
statahead wrong: 2
agl total: 137
list_total: 25
fname_total: 116
hit_total: 790
miss_total: 1289
total: 900 open/close in 2.33 seconds: 386.68 ops/second
llite.lustre-ffff8909210df800.statahead_max=0
1001

real	0m8.073s
user	0m0.039s
sys	0m2.686s
ls -l 1000 files without statahead: 8 sec
llite.lustre-ffff8909210df800.statahead_max=128
128
1001

real	0m3.058s
user	0m0.024s
sys	0m1.956s
ls -l 1000 files with statahead: 3 sec
statahead total: 142
statahead wrong: 2
agl total: 138
list_total: 26
fname_total: 116
hit_total: 1789
miss_total: 1290
 - open/close 2604 (time 1773658982.19 total 10.00 last 260.37)
 - open/close 5169 (time 1773658992.20 total 20.00 last 256.41)
 - open/close 7610 (time 1773659002.20 total 30.01 last 244.06)
total: 9000 open/close in 34.21 seconds: 263.09 ops/second
llite.lustre-ffff8909210df800.statahead_max=0
10001

real	1m22.198s
user	0m0.344s
sys	0m26.499s
ls -l 10000 files without statahead: 82 sec
llite.lustre-ffff8909210df800.statahead_max=128
128
10001

real	0m29.070s
user	0m0.195s
sys	0m20.438s
ls -l 10000 files with statahead: 29 sec
statahead total: 143
statahead wrong: 2
agl total: 139
list_total: 27
fname_total: 116
hit_total: 11788
miss_total: 1291
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 87 seconds
llite.lustre-ffff8909210df800.statahead_stats=
statahead total: 143
statahead wrong: 2
agl total: 139
list_total: 27
fname_total: 116
hit_total: 11788
miss_total: 1291
mdc.lustre-MDT0000-mdc-ffff8909210df800.batch_stats=
snapshot_time:            1773659219.685803097 secs.nsecs
start_time:               1773658950.748215148 secs.nsecs
elapsed_time:             268.937587949 secs.nsecs
subreqs per batch   batches   % cum %
1:		       166  48  48
2:		        10   2  51
4:		         7   2  53
8:		         4   1  55
16:		         2   0  55
32:		        43  12  68
64:		       108  31 100
mdc.lustre-MDT0001-mdc-ffff8909210df800.batch_stats=
snapshot_time:            1773659219.685864423 secs.nsecs
start_time:               1773658950.748285721 secs.nsecs
elapsed_time:             268.937578702 secs.nsecs
subreqs per batch   batches   % cum %
1:		       157  45  45
2:		        26   7  52
4:		         5   1  54
8:		         7   2  56
16:		         1   0  56
32:		        47  13  70
64:		       104  29 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536