== sanity test 123ab: verify statahead work by using statx ========================================================== 17:32:34 (1764109954)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9fe742dcc000.batch_stats=0
total: 100 open/close in 1.85 seconds: 54.15 ops/second
llite.lustre-ffff9fe742dcc000.statahead_max=0
100

real	0m1.710s
user	0m0.009s
sys	0m0.273s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9fe742dcc000.statahead_max=128
128
100

real	0m0.440s
user	0m0.009s
sys	0m0.128s
statx -l 100 files with statahead: 1 sec
statahead total: 105
statahead wrong: 1
agl total: 103
list_total: 37
fname_total: 68
hit_total: 4444
miss_total: 240
total: 900 open/close in 6.94 seconds: 129.66 ops/second
llite.lustre-ffff9fe742dcc000.statahead_max=0
1000

real	0m13.953s
user	0m0.079s
sys	0m2.580s
statx -l 1000 files without statahead: 14 sec
llite.lustre-ffff9fe742dcc000.statahead_max=128
128
1000

real	0m3.183s
user	0m0.039s
sys	0m1.439s
statx -l 1000 files with statahead: 3 sec
statahead total: 106
statahead wrong: 1
agl total: 104
list_total: 38
fname_total: 68
hit_total: 5443
miss_total: 240
 - open/close 1279 (time 1764110003.46 total 10.00 last 127.84)
total: 2000 open/close in 15.35 seconds: 130.32 ops/second
llite.lustre-ffff9fe742dcc000.statahead_max=0
3000

real	0m40.634s
user	0m0.244s
sys	0m7.704s
statx -l 3000 files without statahead: 41 sec
llite.lustre-ffff9fe742dcc000.statahead_max=128
128
3000

real	0m8.420s
user	0m0.157s
sys	0m4.958s
statx -l 3000 files with statahead: 8 sec
statahead total: 107
statahead wrong: 1
agl total: 105
list_total: 39
fname_total: 68
hit_total: 8442
miss_total: 240
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 32 seconds
llite.lustre-ffff9fe742dcc000.statahead_stats=
statahead total: 107
statahead wrong: 1
agl total: 105
list_total: 39
fname_total: 68
hit_total: 8442
miss_total: 240
mdc.lustre-MDT0000-mdc-ffff9fe742dcc000.batch_stats=
snapshot_time:            1764110097.560266598 secs.nsecs
start_time:               1764109956.972471038 secs.nsecs
elapsed_time:             140.587795560 secs.nsecs
subreqs per batch   batches   % cum %
1:		        83  37  37
2:		        19   8  46
4:		        21   9  55
8:		        24  10  66
16:		        16   7  74
32:		         1   0  74
64:		        56  25 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536