== sanity test 123ab: verify statahead work by using statx ========================================================== 21:20:42 (1773105642)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8f81500b8800.batch_stats=0
total: 100 open/close in 0.89 seconds: 112.63 ops/second
llite.lustre-ffff8f81500b8800.statahead_max=0
100

real	0m0.881s
user	0m0.006s
sys	0m0.288s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8f81500b8800.statahead_max=128
128
100

real	0m0.498s
user	0m0.005s
sys	0m0.370s
statx -l 100 files with statahead: 0 sec
statahead total: 98
statahead wrong: 2
agl total: 96
list_total: 26
fname_total: 72
hit_total: 11880
miss_total: 587
total: 900 open/close in 2.77 seconds: 324.56 ops/second
llite.lustre-ffff8f81500b8800.statahead_max=0
1000

real	0m9.278s
user	0m0.063s
sys	0m3.046s
statx -l 1000 files without statahead: 9 sec
llite.lustre-ffff8f81500b8800.statahead_max=128
128
1000

real	0m3.535s
user	0m0.038s
sys	0m2.345s
statx -l 1000 files with statahead: 4 sec
statahead total: 99
statahead wrong: 2
agl total: 97
list_total: 27
fname_total: 72
hit_total: 12879
miss_total: 587
 - open/close 2101 (time 1773105678.67 total 10.00 last 210.07)
total: 4000 open/close in 19.09 seconds: 209.52 ops/second
llite.lustre-ffff8f81500b8800.statahead_max=0
5000

real	0m49.742s
user	0m0.393s
sys	0m14.996s
statx -l 5000 files without statahead: 50 sec
llite.lustre-ffff8f81500b8800.statahead_max=128
128
5000

real	0m19.255s
user	0m0.220s
sys	0m12.957s
statx -l 5000 files with statahead: 19 sec
statahead total: 100
statahead wrong: 2
agl total: 98
list_total: 28
fname_total: 72
hit_total: 17878
miss_total: 587
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 51 seconds
llite.lustre-ffff8f81500b8800.statahead_stats=
statahead total: 100
statahead wrong: 2
agl total: 98
list_total: 28
fname_total: 72
hit_total: 17878
miss_total: 587
mdc.lustre-MDT0000-mdc-ffff8f81500b8800.batch_stats=
snapshot_time:            1773105818.645699255 secs.nsecs
start_time:               1773105643.797113575 secs.nsecs
elapsed_time:             174.848585680 secs.nsecs
subreqs per batch   batches   % cum %
1:		       238  49  49
2:		        57  11  61
4:		        39   8  69
8:		        46   9  79
16:		        16   3  82
32:		         3   0  83
64:		        80  16 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536