== sanity test 123ab: verify statahead work by using statx ========================================================== 03:26:37 (1776929197)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8aacc6d2a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8aacc6d2a000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.31 seconds: 43.36 ops/second
llite.lustre-ffff8aacc6d2a000.statahead_max=0
100

real	0m2.180s
user	0m0.020s
sys	0m0.557s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8aacc6d2a000.statahead_max=128
128
100

real	0m0.964s
user	0m0.008s
sys	0m0.437s
statx -l 100 files with statahead: 1 sec
statahead total: 96
statahead wrong: 2
agl total: 92
list_total: 28
fname_total: 66
hit_total: 4856
miss_total: 1270
total: 900 open/close in 6.72 seconds: 133.99 ops/second
llite.lustre-ffff8aacc6d2a000.statahead_max=0
1000

real	0m17.273s
user	0m0.116s
sys	0m4.934s
statx -l 1000 files without statahead: 17 sec
llite.lustre-ffff8aacc6d2a000.statahead_max=128
128
1000

real	0m7.057s
user	0m0.059s
sys	0m4.041s
statx -l 1000 files with statahead: 7 sec
statahead total: 97
statahead wrong: 2
agl total: 93
list_total: 29
fname_total: 66
hit_total: 5855
miss_total: 1270
total: 1000 open/close in 7.40 seconds: 135.14 ops/second
llite.lustre-ffff8aacc6d2a000.statahead_max=0
2000

real	0m35.639s
user	0m0.241s
sys	0m10.295s
statx -l 2000 files without statahead: 36 sec
llite.lustre-ffff8aacc6d2a000.statahead_max=128
128
2000

real	0m15.095s
user	0m0.165s
sys	0m8.799s
statx -l 2000 files with statahead: 15 sec
statahead total: 98
statahead wrong: 2
agl total: 94
list_total: 30
fname_total: 66
hit_total: 7854
miss_total: 1270
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff8aacc6d2a000.statahead_stats=
statahead total: 98
statahead wrong: 2
agl total: 94
list_total: 30
fname_total: 66
hit_total: 7854
miss_total: 1270
mdc.lustre-MDT0000-mdc-ffff8aacc6d2a000.batch_stats=
snapshot_time:            1776929356.250312118 secs.nsecs
start_time:               1776929200.988637902 secs.nsecs
elapsed_time:             155.261674216 secs.nsecs
subreqs per batch   batches   % cum %
1:		        43  45  45
2:		         2   2  47
4:		         5   5  52
8:		         5   5  57
16:		         1   1  58
32:		         7   7  66
64:		        32  33 100
mdc.lustre-MDT0001-mdc-ffff8aacc6d2a000.batch_stats=
snapshot_time:            1776929356.250410256 secs.nsecs
start_time:               1776929200.988739037 secs.nsecs
elapsed_time:             155.261671219 secs.nsecs
subreqs per batch   batches   % cum %
1:		        37  40  40
2:		         5   5  46
4:		         4   4  50
8:		         3   3  53
16:		         2   2  56
32:		        10  10  67
64:		        30  32 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536