== sanity test 123ab: verify statahead work by using statx ========================================================== 06:42:26 (1788604946)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa0504353b000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa0504353b000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.38 seconds: 42.08 ops/second
llite.lustre-ffffa0504353b000.statahead_max=0
100

real	0m2.172s
user	0m0.006s
sys	0m0.291s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffffa0504353b000.statahead_max=128
128
100

real	0m1.037s
user	0m0.009s
sys	0m0.165s
statx -l 100 files with statahead: 1 sec
statahead total: 115
statahead wrong: 2
agl total: 112
list_total: 26
fname_total: 89
hit_total: 1310
miss_total: 1512
 - open/close 862 (time 1788604974.38 total 10.00 last 86.17)
total: 900 open/close in 10.34 seconds: 87.04 ops/second
llite.lustre-ffffa0504353b000.statahead_max=0
1000

real	0m23.735s
user	0m0.082s
sys	0m2.725s
statx -l 1000 files without statahead: 24 sec
llite.lustre-ffffa0504353b000.statahead_max=128
128
1000

real	0m6.044s
user	0m0.062s
sys	0m1.377s
statx -l 1000 files with statahead: 6 sec
statahead total: 116
statahead wrong: 2
agl total: 113
list_total: 27
fname_total: 89
hit_total: 2309
miss_total: 1512
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffffa0504353b000.statahead_stats=
statahead total: 116
statahead wrong: 2
agl total: 113
list_total: 27
fname_total: 89
hit_total: 2309
miss_total: 1512
mdc.lustre-MDT0000-mdc-ffffa0504353b000.batch_stats=
snapshot_time:            1788605036.506838950 secs.nsecs
start_time:               1788604951.606137392 secs.nsecs
elapsed_time:             84.900701558 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4  13  13
2:		         4  13  26
4:		         2   6  33
8:		         2   6  40
16:		         4  13  53
32:		         3  10  63
64:		        11  36 100
mdc.lustre-MDT0001-mdc-ffffa0504353b000.batch_stats=
snapshot_time:            1788605036.507019852 secs.nsecs
start_time:               1788604951.606245087 secs.nsecs
elapsed_time:             84.900774765 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5  17  17
2:		         6  21  39
4:		         2   7  46
8:		         1   3  50
16:		         1   3  53
32:		         7  25  78
64:		         6  21 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536