== sanity test 123ab: verify statahead work by using statx ========================================================== 13:21:15 (1772475675)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff938b82ae3800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff938b82ae3800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.20 seconds: 83.06 ops/second
llite.lustre-ffff938b82ae3800.statahead_max=0
100

real	0m1.143s
user	0m0.014s
sys	0m0.311s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff938b82ae3800.statahead_max=128
128
100

real	0m0.441s
user	0m0.007s
sys	0m0.187s
statx -l 100 files with statahead: 0 sec
statahead total: 89
statahead wrong: 2
agl total: 87
list_total: 27
fname_total: 62
hit_total: 7190
miss_total: 1272
total: 900 open/close in 3.94 seconds: 228.55 ops/second
llite.lustre-ffff938b82ae3800.statahead_max=0
1000

real	0m9.799s
user	0m0.103s
sys	0m2.910s
statx -l 1000 files without statahead: 10 sec
llite.lustre-ffff938b82ae3800.statahead_max=128
128
1000

real	0m3.146s
user	0m0.056s
sys	0m1.878s
statx -l 1000 files with statahead: 3 sec
statahead total: 90
statahead wrong: 2
agl total: 88
list_total: 28
fname_total: 62
hit_total: 8189
miss_total: 1272
 - open/close 2008 (time 1772475714.09 total 10.00 last 200.78)
 - open/close 3738 (time 1772475724.09 total 20.00 last 173.00)
total: 4000 open/close in 21.61 seconds: 185.13 ops/second
llite.lustre-ffff938b82ae3800.statahead_max=0
5000

real	0m58.316s
user	0m0.491s
sys	0m14.017s
statx -l 5000 files without statahead: 58 sec
llite.lustre-ffff938b82ae3800.statahead_max=128
128
5000

real	0m15.252s
user	0m0.303s
sys	0m8.546s
statx -l 5000 files with statahead: 15 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 29
fname_total: 62
hit_total: 13188
miss_total: 1272
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 41 seconds
llite.lustre-ffff938b82ae3800.statahead_stats=
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 29
fname_total: 62
hit_total: 13188
miss_total: 1272
mdc.lustre-MDT0000-mdc-ffff938b82ae3800.batch_stats=
snapshot_time:            1772475850.173206841 secs.nsecs
start_time:               1772475677.569462664 secs.nsecs
elapsed_time:             172.603744177 secs.nsecs
subreqs per batch   batches   % cum %
1:		        74  41  41
2:		         9   5  46
4:		         8   4  50
8:		         4   2  53
16:		         1   0  53
32:		        27  15  68
64:		        56  31 100
mdc.lustre-MDT0001-mdc-ffff938b82ae3800.batch_stats=
snapshot_time:            1772475850.173299944 secs.nsecs
start_time:               1772475677.569548960 secs.nsecs
elapsed_time:             172.603750984 secs.nsecs
subreqs per batch   batches   % cum %
1:		        84  44  44
2:		        11   5  50
4:		         7   3  54
8:		         3   1  55
16:		         0   0  55
32:		        29  15  71
64:		        54  28 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536