== sanity test 123ab: verify statahead work by using statx ========================================================== 23:31:23 (1770438683)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9cf18903e000.batch_stats=0
total: 100 open/close in 1.19 seconds: 83.98 ops/second
llite.lustre-ffff9cf18903e000.statahead_max=0
100

real	0m0.959s
user	0m0.010s
sys	0m0.291s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9cf18903e000.statahead_max=128
128
100

real	0m0.441s
user	0m0.001s
sys	0m0.226s
statx -l 100 files with statahead: 0 sec
statahead total: 57
statahead wrong: 2
agl total: 56
list_total: 22
fname_total: 35
hit_total: 11378
miss_total: 1663
total: 900 open/close in 3.72 seconds: 241.83 ops/second
llite.lustre-ffff9cf18903e000.statahead_max=0
1000

real	0m9.793s
user	0m0.068s
sys	0m3.075s
statx -l 1000 files without statahead: 10 sec
llite.lustre-ffff9cf18903e000.statahead_max=128
128
1000

real	0m2.780s
user	0m0.022s
sys	0m1.584s
statx -l 1000 files with statahead: 3 sec
statahead total: 58
statahead wrong: 2
agl total: 57
list_total: 23
fname_total: 35
hit_total: 12377
miss_total: 1663
 - open/close 2292 (time 1770438722.35 total 10.00 last 229.13)
total: 4000 open/close in 16.60 seconds: 240.95 ops/second
llite.lustre-ffff9cf18903e000.statahead_max=0
5000

real	0m47.831s
user	0m0.255s
sys	0m14.461s
statx -l 5000 files without statahead: 47 sec
llite.lustre-ffff9cf18903e000.statahead_max=128
128
5000

real	0m12.122s
user	0m0.100s
sys	0m9.299s
statx -l 5000 files with statahead: 12 sec
statahead total: 59
statahead wrong: 2
agl total: 58
list_total: 24
fname_total: 35
hit_total: 17376
miss_total: 1663
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 43 seconds
llite.lustre-ffff9cf18903e000.statahead_stats=
statahead total: 59
statahead wrong: 2
agl total: 58
list_total: 24
fname_total: 35
hit_total: 17376
miss_total: 1663
mdc.lustre-MDT0000-mdc-ffff9cf18903e000.batch_stats=
snapshot_time:            1770438840.453240779 secs.nsecs
start_time:               1770438686.213000036 secs.nsecs
elapsed_time:             154.240240743 secs.nsecs
subreqs per batch   batches   % cum %
1:		       159  44  44
2:		        22   6  50
4:		        24   6  56
8:		        55  15  72
16:		        16   4  76
32:		         2   0  77
64:		        82  22 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536