== sanity test 123ab: verify statahead work by using statx ========================================================== 10:05:08 (1773237908)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff92f1866d3000.batch_stats=0
total: 100 open/close in 0.80 seconds: 125.52 ops/second
llite.lustre-ffff92f1866d3000.statahead_max=0
100

real	0m0.483s
user	0m0.004s
sys	0m0.170s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff92f1866d3000.statahead_max=128
128
100

real	0m0.330s
user	0m0.004s
sys	0m0.119s
statx -l 100 files with statahead: 1 sec
statahead total: 68
statahead wrong: 1
agl total: 66
list_total: 23
fname_total: 37
hit_total: 11837
miss_total: 221
total: 900 open/close in 1.50 seconds: 601.53 ops/second
llite.lustre-ffff92f1866d3000.statahead_max=0
1000

real	0m5.619s
user	0m0.047s
sys	0m1.964s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff92f1866d3000.statahead_max=128
128
1000

real	0m2.520s
user	0m0.026s
sys	0m1.832s
statx -l 1000 files with statahead: 2 sec
statahead total: 69
statahead wrong: 1
agl total: 67
list_total: 24
fname_total: 37
hit_total: 12836
miss_total: 221
 - open/close 5160 (time 1773237935.81 total 10.00 last 516.00)
total: 9000 open/close in 18.11 seconds: 496.92 ops/second
llite.lustre-ffff92f1866d3000.statahead_max=0
10000

real	0m53.634s
user	0m0.448s
sys	0m18.187s
statx -l 10000 files without statahead: 53 sec
llite.lustre-ffff92f1866d3000.statahead_max=128
128
10000

real	0m20.680s
user	0m0.235s
sys	0m16.261s
statx -l 10000 files with statahead: 21 sec
statahead total: 70
statahead wrong: 1
agl total: 68
list_total: 25
fname_total: 37
hit_total: 22835
miss_total: 221
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 51 seconds
llite.lustre-ffff92f1866d3000.statahead_stats=
statahead total: 70
statahead wrong: 1
agl total: 68
list_total: 25
fname_total: 37
hit_total: 22835
miss_total: 221
mdc.lustre-MDT0000-mdc-ffff92f1866d3000.batch_stats=
snapshot_time:            1773238079.251113973 secs.nsecs
start_time:               1773237909.927270444 secs.nsecs
elapsed_time:             169.323843529 secs.nsecs
subreqs per batch   batches   % cum %
1:		       333  46  46
2:		        52   7  53
4:		        49   6  60
8:		       109  15  75
16:		        27   3  78
32:		         4   0  79
64:		       148  20 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536