== sanity test 123ab: verify statahead work by using statx ========================================================== 23:18:03 (1763353083)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff998089e1c000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff998089e1c000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.22 seconds: 82.10 ops/second
llite.lustre-ffff998089e1c000.statahead_max=0
100

real	0m1.115s
user	0m0.013s
sys	0m0.279s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff998089e1c000.statahead_max=128
128
100

real	0m0.422s
user	0m0.008s
sys	0m0.161s
statx -l 100 files with statahead: 0 sec
statahead total: 112
statahead wrong: 2
agl total: 109
list_total: 28
fname_total: 81
hit_total: 4861
miss_total: 1511
total: 900 open/close in 6.36 seconds: 141.58 ops/second
llite.lustre-ffff998089e1c000.statahead_max=0
1000

real	0m12.652s
user	0m0.075s
sys	0m2.585s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff998089e1c000.statahead_max=128
128
1000

real	0m2.972s
user	0m0.040s
sys	0m1.570s
statx -l 1000 files with statahead: 3 sec
statahead total: 113
statahead wrong: 2
agl total: 110
list_total: 29
fname_total: 81
hit_total: 5860
miss_total: 1511
 - open/close 1315 (time 1763353127.16 total 10.01 last 131.40)
 - open/close 2976 (time 1763353137.16 total 20.01 last 166.06)
total: 3000 open/close in 20.14 seconds: 148.98 ops/second
llite.lustre-ffff998089e1c000.statahead_max=0
4000

real	0m43.451s
user	0m0.388s
sys	0m10.192s
statx -l 4000 files without statahead: 43 sec
llite.lustre-ffff998089e1c000.statahead_max=128
128
4000

real	0m11.255s
user	0m0.161s
sys	0m5.930s
statx -l 4000 files with statahead: 11 sec
statahead total: 114
statahead wrong: 2
agl total: 111
list_total: 30
fname_total: 81
hit_total: 9859
miss_total: 1511
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff998089e1c000.statahead_stats=
statahead total: 114
statahead wrong: 2
agl total: 111
list_total: 30
fname_total: 81
hit_total: 9859
miss_total: 1511
mdc.lustre-MDT0000-mdc-ffff998089e1c000.batch_stats=
snapshot_time:            1763353233.813864616 secs.nsecs
start_time:               1763353085.088236030 secs.nsecs
elapsed_time:             148.725628586 secs.nsecs
subreqs per batch   batches   % cum %
1:		        41  33  33
2:		         3   2  36
4:		         4   3  39
8:		         4   3  42
16:		         1   0  43
32:		        13  10  54
64:		        56  45 100
mdc.lustre-MDT0001-mdc-ffff998089e1c000.batch_stats=
snapshot_time:            1763353233.813926178 secs.nsecs
start_time:               1763353085.088322552 secs.nsecs
elapsed_time:             148.725603626 secs.nsecs
subreqs per batch   batches   % cum %
1:		        32  29  29
2:		         3   2  31
4:		         5   4  36
8:		         2   1  38
16:		         0   0  38
32:		        27  24  62
64:		        41  37 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536