== sanity test 123ab: verify statahead work by using statx ========================================================== 19:47:09 (1775864829)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8bc785197000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8bc785197000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.94 seconds: 106.23 ops/second
llite.lustre-ffff8bc785197000.statahead_max=0
100

real	0m0.902s
user	0m0.008s
sys	0m0.264s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8bc785197000.statahead_max=128
128
100

real	0m0.475s
user	0m0.006s
sys	0m0.204s
statx -l 100 files with statahead: 0 sec
statahead total: 68
statahead wrong: 1
agl total: 64
list_total: 23
fname_total: 30
hit_total: 11458
miss_total: 207
total: 900 open/close in 3.39 seconds: 265.49 ops/second
llite.lustre-ffff8bc785197000.statahead_max=0
1000

real	0m9.244s
user	0m0.068s
sys	0m2.510s
statx -l 1000 files without statahead: 10 sec
llite.lustre-ffff8bc785197000.statahead_max=128
128
1000

real	0m2.768s
user	0m0.039s
sys	0m1.630s
statx -l 1000 files with statahead: 3 sec
statahead total: 69
statahead wrong: 1
agl total: 65
list_total: 24
fname_total: 30
hit_total: 12457
miss_total: 207
 - open/close 3837 (time 1775864865.41 total 10.00 last 383.70)
total: 4000 open/close in 10.52 seconds: 380.09 ops/second
llite.lustre-ffff8bc785197000.statahead_max=0
5000

real	0m33.698s
user	0m0.303s
sys	0m10.952s
statx -l 5000 files without statahead: 34 sec
llite.lustre-ffff8bc785197000.statahead_max=128
128
5000

real	0m12.916s
user	0m0.161s
sys	0m7.734s
statx -l 5000 files with statahead: 13 sec
statahead total: 70
statahead wrong: 1
agl total: 66
list_total: 25
fname_total: 30
hit_total: 17456
miss_total: 207
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 27 seconds
llite.lustre-ffff8bc785197000.statahead_stats=
statahead total: 70
statahead wrong: 1
agl total: 66
list_total: 25
fname_total: 30
hit_total: 17456
miss_total: 207
mdc.lustre-MDT0000-mdc-ffff8bc785197000.batch_stats=
snapshot_time:            1775864948.420585230 secs.nsecs
start_time:               1775864831.658491874 secs.nsecs
elapsed_time:             116.762093356 secs.nsecs
subreqs per batch   batches   % cum %
1:		        83  45  45
2:		        10   5  51
4:		         6   3  54
8:		         1   0  54
16:		         1   0  55
32:		        20  10  66
64:		        61  33 100
mdc.lustre-MDT0001-mdc-ffff8bc785197000.batch_stats=
snapshot_time:            1775864948.420647870 secs.nsecs
start_time:               1775864831.658579431 secs.nsecs
elapsed_time:             116.762068439 secs.nsecs
subreqs per batch   batches   % cum %
1:		        96  50  50
2:		         6   3  53
4:		         3   1  54
8:		         5   2  57
16:		         0   0  57
32:		        21  10  68
64:		        61  31 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536