== sanity test 123ab: verify statahead work by using statx ========================================================== 00:52:58 (1762494778)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff982e92d68800.batch_stats=0
total: 100 open/close in 2.57 seconds: 38.97 ops/second
llite.lustre-ffff982e92d68800.statahead_max=0
100

real	0m1.943s
user	0m0.007s
sys	0m0.282s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff982e92d68800.statahead_max=128
128
100

real	0m0.753s
user	0m0.011s
sys	0m0.131s
statx -l 100 files with statahead: 1 sec
statahead total: 133
statahead wrong: 2
agl total: 129
list_total: 25
fname_total: 66
hit_total: 1500
miss_total: 1391
 - open/close 749 (time 1762494802.98 total 10.01 last 74.85)
total: 900 open/close in 12.09 seconds: 74.46 ops/second
llite.lustre-ffff982e92d68800.statahead_max=0
1000

real	0m20.222s
user	0m0.076s
sys	0m2.894s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff982e92d68800.statahead_max=128
128
1000

real	0m4.225s
user	0m0.047s
sys	0m1.416s
statx -l 1000 files with statahead: 4 sec
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 26
fname_total: 66
hit_total: 2499
miss_total: 1391
 - open/close 740 (time 1762494848.26 total 10.01 last 73.94)
total: 1000 open/close in 13.48 seconds: 74.18 ops/second
llite.lustre-ffff982e92d68800.statahead_max=0
2000

real	0m39.250s
user	0m0.155s
sys	0m5.565s
statx -l 2000 files without statahead: 39 sec
llite.lustre-ffff982e92d68800.statahead_max=128
128
2000

real	0m8.265s
user	0m0.106s
sys	0m2.792s
statx -l 2000 files with statahead: 8 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 27
fname_total: 66
hit_total: 4498
miss_total: 1391
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 32 seconds
llite.lustre-ffff982e92d68800.statahead_stats=
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 27
fname_total: 66
hit_total: 4498
miss_total: 1391
mdc.lustre-MDT0000-mdc-ffff982e92d68800.batch_stats=
snapshot_time:            1762494941.592885702 secs.nsecs
start_time:               1762494781.882158052 secs.nsecs
elapsed_time:             159.710727650 secs.nsecs
subreqs per batch   batches   % cum %
1:		        21  17  17
2:		         9   7  25
4:		        13  11  36
8:		        15  12  49
16:		        14  11  61
32:		         2   1  63
64:		        43  36 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536