== sanity test 123ab: verify statahead work by using statx ========================================================== 17:53:33 (1778363613)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8eadc4d04800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8eadc4d04800.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.68 seconds: 147.33 ops/second
llite.lustre-ffff8eadc4d04800.statahead_max=0
100

real	0m0.553s
user	0m0.005s
sys	0m0.206s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8eadc4d04800.statahead_max=128
128
100

real	0m0.372s
user	0m0.003s
sys	0m0.170s
statx -l 100 files with statahead: 1 sec
statahead total: 66
statahead wrong: 1
agl total: 64
list_total: 23
fname_total: 43
hit_total: 11837
miss_total: 208
total: 900 open/close in 2.31 seconds: 389.32 ops/second
llite.lustre-ffff8eadc4d04800.statahead_max=0
1000

real	0m6.721s
user	0m0.062s
sys	0m2.333s
statx -l 1000 files without statahead: 7 sec
llite.lustre-ffff8eadc4d04800.statahead_max=128
128
1000

real	0m2.515s
user	0m0.036s
sys	0m1.508s
statx -l 1000 files with statahead: 2 sec
statahead total: 67
statahead wrong: 1
agl total: 65
list_total: 24
fname_total: 43
hit_total: 12836
miss_total: 208
 - open/close 4632 (time 1778363643.21 total 10.00 last 463.14)
total: 9000 open/close in 19.96 seconds: 450.91 ops/second
llite.lustre-ffff8eadc4d04800.statahead_max=0
10000

real	0m58.851s
user	0m0.504s
sys	0m21.143s
statx -l 10000 files without statahead: 59 sec
llite.lustre-ffff8eadc4d04800.statahead_max=128
128
10000

real	0m24.616s
user	0m0.292s
sys	0m16.469s
statx -l 10000 files with statahead: 24 sec
statahead total: 68
statahead wrong: 1
agl total: 66
list_total: 25
fname_total: 43
hit_total: 22835
miss_total: 208
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 62 seconds
llite.lustre-ffff8eadc4d04800.statahead_stats=
statahead total: 68
statahead wrong: 1
agl total: 66
list_total: 25
fname_total: 43
hit_total: 22835
miss_total: 208
mdc.lustre-MDT0000-mdc-ffff8eadc4d04800.batch_stats=
snapshot_time:            1778363812.634418837 secs.nsecs
start_time:               1778363614.726866179 secs.nsecs
elapsed_time:             197.907552658 secs.nsecs
subreqs per batch   batches   % cum %
1:		       188  51  51
2:		        17   4  55
4:		         8   2  57
8:		         5   1  59
16:		         1   0  59
32:		        40  10  70
64:		       109  29 100
mdc.lustre-MDT0001-mdc-ffff8eadc4d04800.batch_stats=
snapshot_time:            1778363812.634477205 secs.nsecs
start_time:               1778363614.726918011 secs.nsecs
elapsed_time:             197.907559194 secs.nsecs
subreqs per batch   batches   % cum %
1:		       193  51  51
2:		        23   6  57
4:		         6   1  59
8:		         3   0  60
16:		         1   0  60
32:		        39  10  70
64:		       110  29 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536