== sanity test 123ab: verify statahead work by using statx ========================================================== 06:46:23 (1768304783)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff95ae48ca9000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff95ae48ca9000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.94 seconds: 25.40 ops/second
llite.lustre-ffff95ae48ca9000.statahead_max=0
100

real	0m2.908s
user	0m0.008s
sys	0m0.302s
statx -l 100 files without statahead: 3 sec
llite.lustre-ffff95ae48ca9000.statahead_max=128
128
100

real	0m0.802s
user	0m0.010s
sys	0m0.135s
statx -l 100 files with statahead: 1 sec
statahead total: 133
statahead wrong: 2
agl total: 129
list_total: 26
fname_total: 107
hit_total: 1928
miss_total: 1294
 - open/close 764 (time 1768304813.68 total 10.00 last 76.37)
total: 900 open/close in 12.21 seconds: 73.73 ops/second
llite.lustre-ffff95ae48ca9000.statahead_max=0
1000

real	0m19.516s
user	0m0.071s
sys	0m2.515s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff95ae48ca9000.statahead_max=128
128
1000

real	0m5.311s
user	0m0.060s
sys	0m1.114s
statx -l 1000 files with statahead: 6 sec
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 27
fname_total: 107
hit_total: 2927
miss_total: 1294
 - open/close 991 (time 1768304860.33 total 10.01 last 99.01)
total: 1000 open/close in 10.10 seconds: 99.00 ops/second
llite.lustre-ffff95ae48ca9000.statahead_max=0
2000

real	0m40.809s
user	0m0.167s
sys	0m5.155s
statx -l 2000 files without statahead: 40 sec
llite.lustre-ffff95ae48ca9000.statahead_max=128
128
2000

real	0m12.350s
user	0m0.106s
sys	0m2.410s
statx -l 2000 files with statahead: 12 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 28
fname_total: 107
hit_total: 4926
miss_total: 1294
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 35 seconds
llite.lustre-ffff95ae48ca9000.statahead_stats=
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 28
fname_total: 107
hit_total: 4926
miss_total: 1294
mdc.lustre-MDT0000-mdc-ffff95ae48ca9000.batch_stats=
snapshot_time:            1768304965.098520507 secs.nsecs
start_time:               1768304788.705165889 secs.nsecs
elapsed_time:             176.393354618 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4   6   6
2:		         3   5  12
4:		         1   1  13
8:		         7  12  25
16:		         1   1  27
32:		        11  18  46
64:		        31  53 100
mdc.lustre-MDT0001-mdc-ffff95ae48ca9000.batch_stats=
snapshot_time:            1768304965.098594205 secs.nsecs
start_time:               1768304788.705235879 secs.nsecs
elapsed_time:             176.393358326 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  12  12
2:		         2   3  16
4:		         6  10  26
8:		         0   0  26
16:		         0   0  26
32:		        17  30  57
64:		        24  42 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536