== sanity test 123ab: verify statahead work by using statx ========================================================== 21:46:50 (1767322010)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff99f291840000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99f291840000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.73 seconds: 57.81 ops/second
llite.lustre-ffff99f291840000.statahead_max=0
100

real	0m1.675s
user	0m0.006s
sys	0m0.264s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff99f291840000.statahead_max=128
128
100

real	0m0.686s
user	0m0.007s
sys	0m0.143s
statx -l 100 files with statahead: 0 sec
statahead total: 107
statahead wrong: 2
agl total: 104
list_total: 27
fname_total: 75
hit_total: 3613
miss_total: 1453
total: 900 open/close in 9.72 seconds: 92.60 ops/second
llite.lustre-ffff99f291840000.statahead_max=0
1000

real	0m17.789s
user	0m0.071s
sys	0m2.507s
statx -l 1000 files without statahead: 18 sec
llite.lustre-ffff99f291840000.statahead_max=128
128
1000

real	0m4.748s
user	0m0.050s
sys	0m1.213s
statx -l 1000 files with statahead: 4 sec
statahead total: 108
statahead wrong: 2
agl total: 105
list_total: 28
fname_total: 75
hit_total: 4612
miss_total: 1453
 - open/close 887 (time 1767322076.18 total 10.00 last 88.66)
total: 1000 open/close in 11.43 seconds: 87.51 ops/second
llite.lustre-ffff99f291840000.statahead_max=0
2000

real	0m32.517s
user	0m0.131s
sys	0m4.895s
statx -l 2000 files without statahead: 33 sec
llite.lustre-ffff99f291840000.statahead_max=128
128
2000

real	0m10.370s
user	0m0.121s
sys	0m2.280s
statx -l 2000 files with statahead: 10 sec
statahead total: 109
statahead wrong: 2
agl total: 106
list_total: 29
fname_total: 75
hit_total: 6611
miss_total: 1453
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff99f291840000.statahead_stats=
statahead total: 109
statahead wrong: 2
agl total: 106
list_total: 29
fname_total: 75
hit_total: 6611
miss_total: 1453
mdc.lustre-MDT0000-mdc-ffff99f291840000.batch_stats=
snapshot_time:            1767322167.759045268 secs.nsecs
start_time:               1767322014.098773340 secs.nsecs
elapsed_time:             153.660271928 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  11  11
2:		         2   3  14
4:		         4   6  20
8:		         4   6  26
16:		         4   6  33
32:		        13  20  53
64:		        29  46 100
mdc.lustre-MDT0001-mdc-ffff99f291840000.batch_stats=
snapshot_time:            1767322167.759112539 secs.nsecs
start_time:               1767322014.098996052 secs.nsecs
elapsed_time:             153.660116487 secs.nsecs
subreqs per batch   batches   % cum %
1:		         9  13  13
2:		         2   3  16
4:		         6   9  26
8:		         3   4  30
16:		         3   4  35
32:		        17  26  61
64:		        25  38 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536