== sanity test 123ab: verify statahead work by using statx ========================================================== 10:38:11 (1774881491)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff96d645cee800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96d645cee800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.35 seconds: 42.63 ops/second
llite.lustre-ffff96d645cee800.statahead_max=0
100

real	0m2.174s
user	0m0.009s
sys	0m0.304s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff96d645cee800.statahead_max=128
128
100

real	0m1.028s
user	0m0.011s
sys	0m0.168s
statx -l 100 files with statahead: 1 sec
statahead total: 146
statahead wrong: 2
agl total: 141
list_total: 27
fname_total: 117
hit_total: 1737
miss_total: 1200
 - open/close 744 (time 1774881519.85 total 10.01 last 74.36)
total: 900 open/close in 11.90 seconds: 75.66 ops/second
llite.lustre-ffff96d645cee800.statahead_max=0
1000

real	0m25.297s
user	0m0.093s
sys	0m2.908s
statx -l 1000 files without statahead: 25 sec
llite.lustre-ffff96d645cee800.statahead_max=128
128
1000

real	0m6.132s
user	0m0.064s
sys	0m1.481s
statx -l 1000 files with statahead: 6 sec
statahead total: 147
statahead wrong: 2
agl total: 142
list_total: 28
fname_total: 117
hit_total: 2736
miss_total: 1200
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff96d645cee800.statahead_stats=
statahead total: 147
statahead wrong: 2
agl total: 142
list_total: 28
fname_total: 117
hit_total: 2736
miss_total: 1200
mdc.lustre-MDT0000-mdc-ffff96d645cee800.batch_stats=
snapshot_time:            1774881586.846165818 secs.nsecs
start_time:               1774881496.767757831 secs.nsecs
elapsed_time:             90.078407987 secs.nsecs
subreqs per batch   batches   % cum %
1:		         2   8   8
2:		         1   4  12
4:		         3  12  24
8:		         3  12  36
16:		         2   8  44
32:		         5  20  64
64:		         9  36 100
mdc.lustre-MDT0001-mdc-ffff96d645cee800.batch_stats=
snapshot_time:            1774881586.846236277 secs.nsecs
start_time:               1774881496.767858048 secs.nsecs
elapsed_time:             90.078378229 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  24  24
2:		         2   6  31
4:		         2   6  37
8:		         3  10  48
16:		         1   3  51
32:		         6  20  72
64:		         8  27 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536