== sanity test 123ab: verify statahead work by using statx ========================================================== 03:41:06 (1771404066)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9126c8471800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9126c8471800.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.80 seconds: 125.39 ops/second
llite.lustre-ffff9126c8471800.statahead_max=0
100

real	0m0.740s
user	0m0.015s
sys	0m0.252s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9126c8471800.statahead_max=128
128
100

real	0m0.392s
user	0m0.007s
sys	0m0.207s
statx -l 100 files with statahead: 1 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 26
fname_total: 51
hit_total: 6428
miss_total: 979
total: 900 open/close in 3.36 seconds: 267.69 ops/second
llite.lustre-ffff9126c8471800.statahead_max=0
1000

real	0m7.217s
user	0m0.069s
sys	0m2.467s
statx -l 1000 files without statahead: 8 sec
llite.lustre-ffff9126c8471800.statahead_max=128
128
1000

real	0m2.814s
user	0m0.039s
sys	0m1.816s
statx -l 1000 files with statahead: 3 sec
statahead total: 92
statahead wrong: 2
agl total: 90
list_total: 27
fname_total: 51
hit_total: 7427
miss_total: 979
 - open/close 3714 (time 1771404098.50 total 10.00 last 371.32)
 - open/close 7173 (time 1771404108.50 total 20.01 last 345.74)
total: 9000 open/close in 25.06 seconds: 359.21 ops/second
llite.lustre-ffff9126c8471800.statahead_max=0
10000

real	1m12.336s
user	0m0.565s
sys	0m24.052s
statx -l 10000 files without statahead: 72 sec
llite.lustre-ffff9126c8471800.statahead_max=128
128
10000

real	0m26.307s
user	0m0.345s
sys	0m16.826s
statx -l 10000 files with statahead: 27 sec
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 28
fname_total: 51
hit_total: 17426
miss_total: 979
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 63 seconds
llite.lustre-ffff9126c8471800.statahead_stats=
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 28
fname_total: 51
hit_total: 17426
miss_total: 979
mdc.lustre-MDT0000-mdc-ffff9126c8471800.batch_stats=
snapshot_time:            1771404288.191090794 secs.nsecs
start_time:               1771404067.563016665 secs.nsecs
elapsed_time:             220.628074129 secs.nsecs
subreqs per batch   batches   % cum %
1:		       211  53  53
2:		        20   5  58
4:		        12   3  61
8:		         4   1  62
16:		         1   0  62
32:		        44  11  73
64:		       104  26 100
mdc.lustre-MDT0001-mdc-ffff9126c8471800.batch_stats=
snapshot_time:            1771404288.191188554 secs.nsecs
start_time:               1771404067.563081839 secs.nsecs
elapsed_time:             220.628106715 secs.nsecs
subreqs per batch   batches   % cum %
1:		       204  54  54
2:		        11   2  57
4:		        10   2  59
8:		         4   1  60
16:		         0   0  60
32:		        40  10  71
64:		       107  28 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536