== sanity test 123ab: verify statahead work by using statx ========================================================== 13:43:14 (1777052594)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8984089c3800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8984089c3800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.73 seconds: 57.67 ops/second
llite.lustre-ffff8984089c3800.statahead_max=0
100

real	0m1.843s
user	0m0.015s
sys	0m0.531s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8984089c3800.statahead_max=128
128
100

real	0m0.765s
user	0m0.008s
sys	0m0.486s
statx -l 100 files with statahead: 1 sec
statahead total: 106
statahead wrong: 2
agl total: 102
list_total: 28
fname_total: 76
hit_total: 4953
miss_total: 1673
total: 900 open/close in 7.51 seconds: 119.86 ops/second
llite.lustre-ffff8984089c3800.statahead_max=0
1000

real	0m19.541s
user	0m0.148s
sys	0m5.195s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff8984089c3800.statahead_max=128
128
1000

real	0m7.047s
user	0m0.083s
sys	0m3.906s
statx -l 1000 files with statahead: 7 sec
statahead total: 107
statahead wrong: 2
agl total: 103
list_total: 29
fname_total: 76
hit_total: 5952
miss_total: 1673
total: 1000 open/close in 9.42 seconds: 106.15 ops/second
llite.lustre-ffff8984089c3800.statahead_max=0
2000

real	0m38.551s
user	0m0.231s
sys	0m9.943s
statx -l 2000 files without statahead: 39 sec
llite.lustre-ffff8984089c3800.statahead_max=128
128
2000

real	0m12.028s
user	0m0.152s
sys	0m7.071s
statx -l 2000 files with statahead: 12 sec
statahead total: 108
statahead wrong: 2
agl total: 104
list_total: 30
fname_total: 76
hit_total: 7951
miss_total: 1673
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 29 seconds
llite.lustre-ffff8984089c3800.statahead_stats=
statahead total: 108
statahead wrong: 2
agl total: 104
list_total: 30
fname_total: 76
hit_total: 7951
miss_total: 1673
mdc.lustre-MDT0000-mdc-ffff8984089c3800.batch_stats=
snapshot_time:            1777052750.946342523 secs.nsecs
start_time:               1777052597.415661559 secs.nsecs
elapsed_time:             153.530680964 secs.nsecs
subreqs per batch   batches   % cum %
1:		        46  46  46
2:		         3   3  49
4:		         2   2  51
8:		         6   6  57
16:		         2   2  59
32:		         5   5  64
64:		        35  35 100
mdc.lustre-MDT0001-mdc-ffff8984089c3800.batch_stats=
snapshot_time:            1777052750.946397460 secs.nsecs
start_time:               1777052597.415805907 secs.nsecs
elapsed_time:             153.530591553 secs.nsecs
subreqs per batch   batches   % cum %
1:		        53  51  51
2:		         6   5  57
4:		         4   3  61
8:		         1   0  62
16:		         0   0  62
32:		        21  20  82
64:		        18  17 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536