== sanity test 123ab: verify statahead work by using statx ========================================================== 22:56:10 (1767326170)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa00282e44000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa00282e44000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.30 seconds: 77.18 ops/second
llite.lustre-ffffa00282e44000.statahead_max=0
100

real	0m1.226s
user	0m0.005s
sys	0m0.268s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffffa00282e44000.statahead_max=128
128
100

real	0m0.354s
user	0m0.006s
sys	0m0.182s
statx -l 100 files with statahead: 0 sec
statahead total: 103
statahead wrong: 2
agl total: 101
list_total: 27
fname_total: 76
hit_total: 6528
miss_total: 1660
total: 900 open/close in 3.92 seconds: 229.51 ops/second
llite.lustre-ffffa00282e44000.statahead_max=0
1000

real	0m9.555s
user	0m0.079s
sys	0m2.426s
statx -l 1000 files without statahead: 10 sec
llite.lustre-ffffa00282e44000.statahead_max=128
128
1000

real	0m2.812s
user	0m0.024s
sys	0m1.354s
statx -l 1000 files with statahead: 3 sec
statahead total: 104
statahead wrong: 2
agl total: 102
list_total: 28
fname_total: 76
hit_total: 7527
miss_total: 1660
 - open/close 2128 (time 1767326208.21 total 10.00 last 212.75)
total: 4000 open/close in 18.90 seconds: 211.62 ops/second
llite.lustre-ffffa00282e44000.statahead_max=0
5000

real	0m42.394s
user	0m0.365s
sys	0m11.427s
statx -l 5000 files without statahead: 42 sec
llite.lustre-ffffa00282e44000.statahead_max=128
128
5000

real	0m14.433s
user	0m0.154s
sys	0m7.627s
statx -l 5000 files with statahead: 14 sec
statahead total: 105
statahead wrong: 2
agl total: 103
list_total: 29
fname_total: 76
hit_total: 12526
miss_total: 1660
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 39 seconds
llite.lustre-ffffa00282e44000.statahead_stats=
statahead total: 105
statahead wrong: 2
agl total: 103
list_total: 29
fname_total: 76
hit_total: 12526
miss_total: 1660
mdc.lustre-MDT0000-mdc-ffffa00282e44000.batch_stats=
snapshot_time:            1767326319.956745425 secs.nsecs
start_time:               1767326172.562142965 secs.nsecs
elapsed_time:             147.394602460 secs.nsecs
subreqs per batch   batches   % cum %
1:		        63  40  40
2:		         2   1  41
4:		         3   1  43
8:		         4   2  46
16:		         2   1  47
32:		        14   8  56
64:		        68  43 100
mdc.lustre-MDT0001-mdc-ffffa00282e44000.batch_stats=
snapshot_time:            1767326319.956800024 secs.nsecs
start_time:               1767326172.562217907 secs.nsecs
elapsed_time:             147.394582117 secs.nsecs
subreqs per batch   batches   % cum %
1:		        46  33  33
2:		         5   3  36
4:		         4   2  39
8:		         2   1  41
16:		         1   0  41
32:		        29  20  62
64:		        52  37 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536