== sanity test 123ab: verify statahead work by using statx ========================================================== 07:07:02 (1773659222)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8909210df800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8909210df800.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.25 seconds: 80.26 ops/second
llite.lustre-ffff8909210df800.statahead_max=0
100

real	0m0.989s
user	0m0.009s
sys	0m0.277s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8909210df800.statahead_max=128
128
100

real	0m0.452s
user	0m0.008s
sys	0m0.202s
statx -l 100 files with statahead: 0 sec
statahead total: 144
statahead wrong: 2
agl total: 140
list_total: 28
fname_total: 116
hit_total: 11887
miss_total: 1291
total: 900 open/close in 3.63 seconds: 247.77 ops/second
llite.lustre-ffff8909210df800.statahead_max=0
1000

real	0m7.814s
user	0m0.069s
sys	0m2.548s
statx -l 1000 files without statahead: 8 sec
llite.lustre-ffff8909210df800.statahead_max=128
128
1000

real	0m2.905s
user	0m0.049s
sys	0m1.936s
statx -l 1000 files with statahead: 3 sec
statahead total: 145
statahead wrong: 2
agl total: 141
list_total: 29
fname_total: 116
hit_total: 12886
miss_total: 1291
 - open/close 2657 (time 1773659257.36 total 10.00 last 265.66)
 - open/close 5591 (time 1773659267.37 total 20.01 last 293.16)
 - open/close 8586 (time 1773659277.37 total 30.01 last 299.50)
total: 9000 open/close in 31.48 seconds: 285.91 ops/second
llite.lustre-ffff8909210df800.statahead_max=0
10000

real	1m21.848s
user	0m0.744s
sys	0m25.392s
statx -l 10000 files without statahead: 82 sec
llite.lustre-ffff8909210df800.statahead_max=128
128
10000

real	0m28.062s
user	0m0.341s
sys	0m17.755s
statx -l 10000 files with statahead: 28 sec
statahead total: 146
statahead wrong: 2
agl total: 142
list_total: 30
fname_total: 116
hit_total: 22885
miss_total: 1291
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 65 seconds
llite.lustre-ffff8909210df800.statahead_stats=
statahead total: 146
statahead wrong: 2
agl total: 142
list_total: 30
fname_total: 116
hit_total: 22885
miss_total: 1291
mdc.lustre-MDT0000-mdc-ffff8909210df800.batch_stats=
snapshot_time:            1773659467.731415895 secs.nsecs
start_time:               1773659224.187991347 secs.nsecs
elapsed_time:             243.543424548 secs.nsecs
subreqs per batch   batches   % cum %
1:		       205  52  52
2:		        16   4  56
4:		        13   3  60
8:		         3   0  61
16:		         3   0  61
32:		        41  10  72
64:		       107  27 100
mdc.lustre-MDT0001-mdc-ffff8909210df800.batch_stats=
snapshot_time:            1773659467.731475952 secs.nsecs
start_time:               1773659224.188066080 secs.nsecs
elapsed_time:             243.543409872 secs.nsecs
subreqs per batch   batches   % cum %
1:		       186  49  49
2:		        24   6  56
4:		        11   2  59
8:		         5   1  60
16:		         0   0  60
32:		        45  12  72
64:		       102  27 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536