== sanity test 123ab: verify statahead work by using statx ========================================================== 21:35:30 (1777426530)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff906298fd7800.batch_stats=0
total: 100 open/close in 0.66 seconds: 152.13 ops/second
llite.lustre-ffff906298fd7800.statahead_max=0
100

real	0m0.583s
user	0m0.007s
sys	0m0.216s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff906298fd7800.statahead_max=128
128
100

real	0m0.357s
user	0m0.002s
sys	0m0.214s
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: 11671
miss_total: 1092
total: 900 open/close in 2.15 seconds: 418.22 ops/second
llite.lustre-ffff906298fd7800.statahead_max=0
1000

real	0m5.793s
user	0m0.048s
sys	0m2.112s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff906298fd7800.statahead_max=128
128
1000

real	0m2.581s
user	0m0.019s
sys	0m2.099s
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: 12670
miss_total: 1092
 - open/close 3583 (time 1777426559.61 total 10.00 last 358.28)
 - open/close 7510 (time 1777426569.61 total 20.01 last 392.41)
total: 9000 open/close in 23.65 seconds: 380.57 ops/second
llite.lustre-ffff906298fd7800.statahead_max=0
10000

real	1m3.702s
user	0m0.402s
sys	0m22.194s
statx -l 10000 files without statahead: 64 sec
llite.lustre-ffff906298fd7800.statahead_max=128
128
10000

real	0m26.674s
user	0m0.226s
sys	0m19.496s
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: 22669
miss_total: 1092
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 67 seconds
llite.lustre-ffff906298fd7800.statahead_stats=
statahead total: 57
statahead wrong: 2
agl total: 56
list_total: 25
fname_total: 32
hit_total: 22669
miss_total: 1092
mdc.lustre-MDT0000-mdc-ffff906298fd7800.batch_stats=
snapshot_time:            1777426743.378875473 secs.nsecs
start_time:               1777426532.244123603 secs.nsecs
elapsed_time:             211.134751870 secs.nsecs
subreqs per batch   batches   % cum %
1:		       501  51  51
2:		       102  10  62
4:		       103  10  72
8:		       104  10  83
16:		        13   1  84
32:		         1   0  84
64:		       146  15 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536