== sanity test 123ab: verify statahead work by using statx ========================================================== 07:50:39 (1775130639)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff94a4866cd800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff94a4866cd800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.05 seconds: 48.85 ops/second
llite.lustre-ffff94a4866cd800.statahead_max=0
100

real	0m1.766s
user	0m0.008s
sys	0m0.257s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff94a4866cd800.statahead_max=128
128
100

real	0m1.039s
user	0m0.010s
sys	0m0.167s
statx -l 100 files with statahead: 1 sec
statahead total: 118
statahead wrong: 2
agl total: 115
list_total: 27
fname_total: 90
hit_total: 1944
miss_total: 1616
 - open/close 844 (time 1775130665.88 total 10.00 last 84.39)
total: 900 open/close in 11.05 seconds: 81.43 ops/second
llite.lustre-ffff94a4866cd800.statahead_max=0
1000

real	0m19.713s
user	0m0.083s
sys	0m2.705s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff94a4866cd800.statahead_max=128
128
1000

real	0m7.257s
user	0m0.068s
sys	0m1.525s
statx -l 1000 files with statahead: 8 sec
statahead total: 119
statahead wrong: 2
agl total: 116
list_total: 28
fname_total: 90
hit_total: 2943
miss_total: 1616
 - open/close 894 (time 1775130714.11 total 10.01 last 89.35)
total: 1000 open/close in 11.54 seconds: 86.68 ops/second
llite.lustre-ffff94a4866cd800.statahead_max=0
2000

real	0m38.690s
user	0m0.162s
sys	0m5.468s
statx -l 2000 files without statahead: 38 sec
llite.lustre-ffff94a4866cd800.statahead_max=128
128
2000

real	0m12.134s
user	0m0.123s
sys	0m2.627s
statx -l 2000 files with statahead: 12 sec
statahead total: 120
statahead wrong: 2
agl total: 117
list_total: 29
fname_total: 90
hit_total: 4942
miss_total: 1616
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 38 seconds
llite.lustre-ffff94a4866cd800.statahead_stats=
statahead total: 120
statahead wrong: 2
agl total: 117
list_total: 29
fname_total: 90
hit_total: 4942
miss_total: 1616
mdc.lustre-MDT0000-mdc-ffff94a4866cd800.batch_stats=
snapshot_time:            1775130821.595502930 secs.nsecs
start_time:               1775130644.500475263 secs.nsecs
elapsed_time:             177.095027667 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  11  11
2:		         3   5  16
4:		         3   5  21
8:		         3   5  26
16:		         2   3  30
32:		        15  25  55
64:		        27  45 100
mdc.lustre-MDT0001-mdc-ffff94a4866cd800.batch_stats=
snapshot_time:            1775130821.595713139 secs.nsecs
start_time:               1775130644.500866653 secs.nsecs
elapsed_time:             177.094846486 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   8   8
2:		         3   5  14
4:		         1   1  15
8:		         4   7  22
16:		         1   1  24
32:		        17  29  54
64:		        26  45 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536