== sanity test 123ab: verify statahead work by using statx ========================================================== 18:38:03 (1775169483)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8922c952f000.batch_stats=0
total: 100 open/close in 0.61 seconds: 164.00 ops/second
llite.lustre-ffff8922c952f000.statahead_max=0
100

real	0m0.514s
user	0m0.006s
sys	0m0.195s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff8922c952f000.statahead_max=128
128
100

real	0m0.340s
user	0m0.005s
sys	0m0.155s
statx -l 100 files with statahead: 0 sec
statahead total: 55
statahead wrong: 2
agl total: 54
list_total: 23
fname_total: 32
hit_total: 11748
miss_total: 1268
total: 900 open/close in 1.84 seconds: 489.99 ops/second
llite.lustre-ffff8922c952f000.statahead_max=0
1000

real	0m5.227s
user	0m0.055s
sys	0m1.925s
statx -l 1000 files without statahead: 5 sec
llite.lustre-ffff8922c952f000.statahead_max=128
128
1000

real	0m2.376s
user	0m0.028s
sys	0m1.821s
statx -l 1000 files with statahead: 3 sec
statahead total: 56
statahead wrong: 2
agl total: 55
list_total: 24
fname_total: 32
hit_total: 12747
miss_total: 1268
 - open/close 4960 (time 1775169510.38 total 10.00 last 495.95)
total: 9000 open/close in 17.90 seconds: 502.87 ops/second
llite.lustre-ffff8922c952f000.statahead_max=0
10000

real	0m57.252s
user	0m0.456s
sys	0m20.853s
statx -l 10000 files without statahead: 57 sec
llite.lustre-ffff8922c952f000.statahead_max=128
128
10000

real	0m25.339s
user	0m0.317s
sys	0m19.403s
statx -l 10000 files with statahead: 26 sec
statahead total: 57
statahead wrong: 2
agl total: 56
list_total: 25
fname_total: 32
hit_total: 22746
miss_total: 1268
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 57 seconds
llite.lustre-ffff8922c952f000.statahead_stats=
statahead total: 57
statahead wrong: 2
agl total: 56
list_total: 25
fname_total: 32
hit_total: 22746
miss_total: 1268
mdc.lustre-MDT0000-mdc-ffff8922c952f000.batch_stats=
snapshot_time:            1775169670.670754889 secs.nsecs
start_time:               1775169484.546987671 secs.nsecs
elapsed_time:             186.123767218 secs.nsecs
subreqs per batch   batches   % cum %
1:		       440  49  49
2:		        85   9  59
4:		        85   9  68
8:		       110  12  81
16:		        16   1  83
32:		         3   0  83
64:		       146  16 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536