== sanity test 123ab: verify statahead work by using statx ========================================================== 06:36:39 (1769081799)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9610d8ab3000.batch_stats=0
total: 100 open/close in 1.84 seconds: 54.31 ops/second
llite.lustre-ffff9610d8ab3000.statahead_max=0
100

real	0m1.554s
user	0m0.008s
sys	0m0.251s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9610d8ab3000.statahead_max=128
128
100

real	0m0.437s
user	0m0.005s
sys	0m0.180s
statx -l 100 files with statahead: 0 sec
statahead total: 127
statahead wrong: 2
agl total: 123
list_total: 33
fname_total: 94
hit_total: 4621
miss_total: 1412
total: 900 open/close in 8.07 seconds: 111.59 ops/second
llite.lustre-ffff9610d8ab3000.statahead_max=0
1000

real	0m15.263s
user	0m0.096s
sys	0m2.554s
statx -l 1000 files without statahead: 15 sec
llite.lustre-ffff9610d8ab3000.statahead_max=128
128
1000

real	0m3.587s
user	0m0.054s
sys	0m1.352s
statx -l 1000 files with statahead: 4 sec
statahead total: 128
statahead wrong: 2
agl total: 124
list_total: 34
fname_total: 94
hit_total: 5620
miss_total: 1412
 - open/close 1171 (time 1769081851.77 total 10.01 last 117.03)
total: 2000 open/close in 17.11 seconds: 116.91 ops/second
llite.lustre-ffff9610d8ab3000.statahead_max=0
3000

real	0m40.696s
user	0m0.254s
sys	0m7.899s
statx -l 3000 files without statahead: 40 sec
llite.lustre-ffff9610d8ab3000.statahead_max=128
128
3000

real	0m8.901s
user	0m0.164s
sys	0m4.243s
statx -l 3000 files with statahead: 9 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 35
fname_total: 94
hit_total: 8619
miss_total: 1412
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff9610d8ab3000.statahead_stats=
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 35
fname_total: 94
hit_total: 8619
miss_total: 1412
mdc.lustre-MDT0000-mdc-ffff9610d8ab3000.batch_stats=
snapshot_time:            1769081950.862941898 secs.nsecs
start_time:               1769081801.720147175 secs.nsecs
elapsed_time:             149.142794723 secs.nsecs
subreqs per batch   batches   % cum %
1:		        61  33  33
2:		        13   7  40
4:		        17   9  49
8:		        18   9  59
16:		        16   8  67
32:		         2   1  69
64:		        57  30 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536