== sanity test 123ab: verify statahead work by using statx ========================================================== 03:08:06 (1772179686)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff925d1061f800.batch_stats=0
total: 100 open/close in 0.89 seconds: 112.76 ops/second
llite.lustre-ffff925d1061f800.statahead_max=0
100

real	0m0.880s
user	0m0.012s
sys	0m0.272s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff925d1061f800.statahead_max=128
128
100

real	0m0.375s
user	0m0.007s
sys	0m0.181s
statx -l 100 files with statahead: 1 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 25
fname_total: 66
hit_total: 6670
miss_total: 1579
total: 900 open/close in 3.19 seconds: 281.72 ops/second
llite.lustre-ffff925d1061f800.statahead_max=0
1000

real	0m8.837s
user	0m0.084s
sys	0m2.607s
statx -l 1000 files without statahead: 9 sec
llite.lustre-ffff925d1061f800.statahead_max=128
128
1000

real	0m2.774s
user	0m0.053s
sys	0m2.142s
statx -l 1000 files with statahead: 3 sec
statahead total: 92
statahead wrong: 2
agl total: 90
list_total: 26
fname_total: 66
hit_total: 7669
miss_total: 1579
 - open/close 2967 (time 1772179721.08 total 10.00 last 296.63)
total: 4000 open/close in 13.68 seconds: 292.48 ops/second
llite.lustre-ffff925d1061f800.statahead_max=0
5000

real	0m42.362s
user	0m0.379s
sys	0m12.322s
statx -l 5000 files without statahead: 42 sec
llite.lustre-ffff925d1061f800.statahead_max=128
128
5000

real	0m14.664s
user	0m0.206s
sys	0m9.127s
statx -l 5000 files with statahead: 15 sec
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 27
fname_total: 66
hit_total: 12668
miss_total: 1579
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 39 seconds
llite.lustre-ffff925d1061f800.statahead_stats=
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 27
fname_total: 66
hit_total: 12668
miss_total: 1579
mdc.lustre-MDT0000-mdc-ffff925d1061f800.batch_stats=
snapshot_time:            1772179829.736900746 secs.nsecs
start_time:               1772179688.228953078 secs.nsecs
elapsed_time:             141.507947668 secs.nsecs
subreqs per batch   batches   % cum %
1:		       193  46  46
2:		        48  11  58
4:		        32   7  66
8:		        42  10  76
16:		        11   2  78
32:		         4   0  79
64:		        83  20 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536