== sanity test 123ab: verify statahead work by using statx ========================================================== 01:18:48 (1777007928)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff957cc5d0d800.batch_stats=0
total: 100 open/close in 3.11 seconds: 32.17 ops/second
llite.lustre-ffff957cc5d0d800.statahead_max=0
100

real	0m3.126s
user	0m0.013s
sys	0m0.611s
statx -l 100 files without statahead: 3 sec
llite.lustre-ffff957cc5d0d800.statahead_max=128
128
100

real	0m1.101s
user	0m0.015s
sys	0m0.424s
statx -l 100 files with statahead: 2 sec
statahead total: 128
statahead wrong: 2
agl total: 124
list_total: 27
fname_total: 86
hit_total: 3867
miss_total: 1632
 - open/close 728 (time 1777007956.11 total 10.01 last 72.71)
total: 900 open/close in 12.55 seconds: 71.71 ops/second
llite.lustre-ffff957cc5d0d800.statahead_max=0
1000

real	0m20.369s
user	0m0.141s
sys	0m5.232s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff957cc5d0d800.statahead_max=128
128
1000

real	0m7.674s
user	0m0.087s
sys	0m4.225s
statx -l 1000 files with statahead: 8 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 28
fname_total: 86
hit_total: 4866
miss_total: 1632
 - open/close 744 (time 1777008006.84 total 10.00 last 74.38)
total: 1000 open/close in 13.57 seconds: 73.70 ops/second
llite.lustre-ffff957cc5d0d800.statahead_max=0
2000

real	0m46.350s
user	0m0.284s
sys	0m11.117s
statx -l 2000 files without statahead: 47 sec
llite.lustre-ffff957cc5d0d800.statahead_max=128
128
2000

real	0m15.667s
user	0m0.182s
sys	0m8.668s
statx -l 2000 files with statahead: 15 sec
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 29
fname_total: 86
hit_total: 6865
miss_total: 1632
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 44 seconds
llite.lustre-ffff957cc5d0d800.statahead_stats=
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 29
fname_total: 86
hit_total: 6865
miss_total: 1632
mdc.lustre-MDT0000-mdc-ffff957cc5d0d800.batch_stats=
snapshot_time:            1777008133.171488969 secs.nsecs
start_time:               1777007932.049205503 secs.nsecs
elapsed_time:             201.122283466 secs.nsecs
subreqs per batch   batches   % cum %
1:		       126  52  52
2:		        18   7  60
4:		        16   6  67
8:		        29  12  79
16:		         5   2  81
32:		         3   1  82
64:		        41  17 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536