== sanity test 123ab: verify statahead work by using statx ========================================================== 20:54:17 (1777424057)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff98b1d1338800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98b1d1338800.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.22 seconds: 81.98 ops/second
llite.lustre-ffff98b1d1338800.statahead_max=0
100

real	0m1.213s
user	0m0.008s
sys	0m0.316s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff98b1d1338800.statahead_max=128
128
100

real	0m0.389s
user	0m0.004s
sys	0m0.222s
statx -l 100 files with statahead: 1 sec
statahead total: 76
statahead wrong: 1
agl total: 74
list_total: 24
fname_total: 52
hit_total: 5425
miss_total: 215
total: 900 open/close in 4.86 seconds: 185.12 ops/second
llite.lustre-ffff98b1d1338800.statahead_max=0
1000

real	0m10.963s
user	0m0.086s
sys	0m2.821s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff98b1d1338800.statahead_max=128
128
1000

real	0m3.375s
user	0m0.047s
sys	0m1.859s
statx -l 1000 files with statahead: 3 sec
statahead total: 77
statahead wrong: 1
agl total: 75
list_total: 25
fname_total: 52
hit_total: 6424
miss_total: 215
 - open/close 1908 (time 1777424098.06 total 10.00 last 190.78)
total: 3000 open/close in 16.02 seconds: 187.23 ops/second
llite.lustre-ffff98b1d1338800.statahead_max=0
4000

real	0m40.893s
user	0m0.339s
sys	0m11.003s
statx -l 4000 files without statahead: 41 sec
llite.lustre-ffff98b1d1338800.statahead_max=128
128
4000

real	0m12.128s
user	0m0.137s
sys	0m7.545s
statx -l 4000 files with statahead: 13 sec
statahead total: 78
statahead wrong: 1
agl total: 76
list_total: 26
fname_total: 52
hit_total: 10423
miss_total: 215
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 33 seconds
llite.lustre-ffff98b1d1338800.statahead_stats=
statahead total: 78
statahead wrong: 1
agl total: 76
list_total: 26
fname_total: 52
hit_total: 10423
miss_total: 215
mdc.lustre-MDT0000-mdc-ffff98b1d1338800.batch_stats=
snapshot_time:            1777424198.101831115 secs.nsecs
start_time:               1777424059.192270833 secs.nsecs
elapsed_time:             138.909560282 secs.nsecs
subreqs per batch   batches   % cum %
1:		        70  45  45
2:		         7   4  50
4:		         3   1  52
8:		         2   1  53
16:		         3   1  55
32:		        18  11  67
64:		        50  32 100
mdc.lustre-MDT0001-mdc-ffff98b1d1338800.batch_stats=
snapshot_time:            1777424198.101878538 secs.nsecs
start_time:               1777424059.193219724 secs.nsecs
elapsed_time:             138.908658814 secs.nsecs
subreqs per batch   batches   % cum %
1:		        69  46  46
2:		         8   5  51
4:		         2   1  53
8:		         3   2  55
16:		         0   0  55
32:		        27  18  73
64:		        40  26 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536