== sanity test 123ab: verify statahead work by using statx ========================================================== 03:11:27 (1772179887)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff99970702b000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99970702b000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.17 seconds: 85.75 ops/second
llite.lustre-ffff99970702b000.statahead_max=0
100

real	0m0.925s
user	0m0.009s
sys	0m0.271s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff99970702b000.statahead_max=128
128
100

real	0m0.436s
user	0m0.003s
sys	0m0.164s
statx -l 100 files with statahead: 0 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 26
fname_total: 65
hit_total: 5612
miss_total: 1414
total: 900 open/close in 4.55 seconds: 197.99 ops/second
llite.lustre-ffff99970702b000.statahead_max=0
1000

real	0m10.941s
user	0m0.073s
sys	0m2.700s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff99970702b000.statahead_max=128
128
1000

real	0m2.958s
user	0m0.031s
sys	0m1.721s
statx -l 1000 files with statahead: 3 sec
statahead total: 92
statahead wrong: 2
agl total: 90
list_total: 27
fname_total: 65
hit_total: 6611
miss_total: 1414
 - open/close 1775 (time 1772179927.14 total 10.01 last 177.39)
total: 3000 open/close in 16.72 seconds: 179.40 ops/second
llite.lustre-ffff99970702b000.statahead_max=0
4000

real	0m41.775s
user	0m0.284s
sys	0m10.326s
statx -l 4000 files without statahead: 42 sec
llite.lustre-ffff99970702b000.statahead_max=128
128
4000

real	0m11.990s
user	0m0.138s
sys	0m6.865s
statx -l 4000 files with statahead: 12 sec
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 28
fname_total: 65
hit_total: 10610
miss_total: 1414
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 39 seconds
llite.lustre-ffff99970702b000.statahead_stats=
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 28
fname_total: 65
hit_total: 10610
miss_total: 1414
mdc.lustre-MDT0000-mdc-ffff99970702b000.batch_stats=
snapshot_time:            1772180035.535177790 secs.nsecs
start_time:               1772179889.413251538 secs.nsecs
elapsed_time:             146.121926252 secs.nsecs
subreqs per batch   batches   % cum %
1:		        76  46  46
2:		         9   5  51
4:		         4   2  53
8:		         7   4  58
16:		         2   1  59
32:		        14   8  67
64:		        53  32 100
mdc.lustre-MDT0001-mdc-ffff99970702b000.batch_stats=
snapshot_time:            1772180035.535223077 secs.nsecs
start_time:               1772179889.413326660 secs.nsecs
elapsed_time:             146.121896417 secs.nsecs
subreqs per batch   batches   % cum %
1:		        91  52  52
2:		         8   4  57
4:		         5   2  60
8:		         3   1  61
16:		         1   0  62
32:		        21  12  74
64:		        44  25 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536