== sanity test 123ab: verify statahead work by using statx ========================================================== 06:19:28 (1773224368)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa0a3911a4000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa0a3911a4000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.97 seconds: 50.81 ops/second
llite.lustre-ffffa0a3911a4000.statahead_max=0
100

real	0m1.847s
user	0m0.009s
sys	0m0.291s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffffa0a3911a4000.statahead_max=128
128
100

real	0m0.712s
user	0m0.008s
sys	0m0.163s
statx -l 100 files with statahead: 1 sec
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 28
fname_total: 89
hit_total: 3671
miss_total: 1442
total: 900 open/close in 8.94 seconds: 100.63 ops/second
llite.lustre-ffffa0a3911a4000.statahead_max=0
1000

real	0m17.893s
user	0m0.076s
sys	0m2.881s
statx -l 1000 files without statahead: 18 sec
llite.lustre-ffffa0a3911a4000.statahead_max=128
128
1000

real	0m4.385s
user	0m0.068s
sys	0m1.377s
statx -l 1000 files with statahead: 4 sec
statahead total: 118
statahead wrong: 2
agl total: 114
list_total: 29
fname_total: 89
hit_total: 4670
miss_total: 1442
 - open/close 955 (time 1773224430.41 total 10.01 last 95.43)
total: 1000 open/close in 10.42 seconds: 95.99 ops/second
llite.lustre-ffffa0a3911a4000.statahead_max=0
2000

real	0m36.006s
user	0m0.127s
sys	0m5.524s
statx -l 2000 files without statahead: 36 sec
llite.lustre-ffffa0a3911a4000.statahead_max=128
128
2000

real	0m10.141s
user	0m0.112s
sys	0m3.075s
statx -l 2000 files with statahead: 10 sec
statahead total: 119
statahead wrong: 2
agl total: 115
list_total: 30
fname_total: 89
hit_total: 6669
miss_total: 1442
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 29 seconds
llite.lustre-ffffa0a3911a4000.statahead_stats=
statahead total: 119
statahead wrong: 2
agl total: 115
list_total: 30
fname_total: 89
hit_total: 6669
miss_total: 1442
mdc.lustre-MDT0000-mdc-ffffa0a3911a4000.batch_stats=
snapshot_time:            1773224517.664230866 secs.nsecs
start_time:               1773224372.717854521 secs.nsecs
elapsed_time:             144.946376345 secs.nsecs
subreqs per batch   batches   % cum %
1:		        23  29  29
2:		         5   6  35
4:		         4   5  41
8:		         2   2  43
16:		         2   2  46
32:		         5   6  52
64:		        37  47 100
mdc.lustre-MDT0001-mdc-ffffa0a3911a4000.batch_stats=
snapshot_time:            1773224517.664299428 secs.nsecs
start_time:               1773224372.718006342 secs.nsecs
elapsed_time:             144.946293086 secs.nsecs
subreqs per batch   batches   % cum %
1:		        19  26  26
2:		         4   5  31
4:		         4   5  37
8:		         5   6  44
16:		         0   0  44
32:		        20  27  72
64:		        20  27 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536