== sanity test 123ab: verify statahead work by using statx ========================================================== 07:29:41 (1788607781)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff983290ee2800.batch_stats=0
total: 100 open/close in 2.35 seconds: 42.55 ops/second
llite.lustre-ffff983290ee2800.statahead_max=0
100

real	0m2.163s
user	0m0.011s
sys	0m0.328s
statx -l 100 files without statahead: 3 sec
llite.lustre-ffff983290ee2800.statahead_max=128
128
100

real	0m0.742s
user	0m0.008s
sys	0m0.162s
statx -l 100 files with statahead: 1 sec
statahead total: 111
statahead wrong: 2
agl total: 102
list_total: 26
fname_total: 85
hit_total: 1452
miss_total: 1645
 - open/close 735 (time 1788607806.53 total 10.00 last 73.48)
total: 900 open/close in 12.42 seconds: 72.49 ops/second
llite.lustre-ffff983290ee2800.statahead_max=0
1000

real	0m21.887s
user	0m0.083s
sys	0m2.863s
statx -l 1000 files without statahead: 22 sec
llite.lustre-ffff983290ee2800.statahead_max=128
128
1000

real	0m5.512s
user	0m0.058s
sys	0m1.332s
statx -l 1000 files with statahead: 5 sec
statahead total: 112
statahead wrong: 2
agl total: 103
list_total: 27
fname_total: 85
hit_total: 2451
miss_total: 1645
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff983290ee2800.statahead_stats=
statahead total: 112
statahead wrong: 2
agl total: 103
list_total: 27
fname_total: 85
hit_total: 2451
miss_total: 1645
mdc.lustre-MDT0000-mdc-ffff983290ee2800.batch_stats=
snapshot_time:            1788607870.801733857 secs.nsecs
start_time:               1788607785.185742646 secs.nsecs
elapsed_time:             85.615991211 secs.nsecs
subreqs per batch   batches   % cum %
1:		        17  33  33
2:		         4   7  41
4:		         5   9  50
8:		         4   7  58
16:		         2   3  62
32:		         4   7  70
64:		        15  29 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536