== sanity test 123ab: verify statahead work by using statx ========================================================== 23:31:27 (1777001487)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9dbe94790000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9dbe94790000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.00 seconds: 33.29 ops/second
llite.lustre-ffff9dbe94790000.statahead_max=0
100

real	0m2.781s
user	0m0.012s
sys	0m0.354s
statx -l 100 files without statahead: 3 sec
llite.lustre-ffff9dbe94790000.statahead_max=128
128
100

real	0m0.751s
user	0m0.008s
sys	0m0.212s
statx -l 100 files with statahead: 1 sec
statahead total: 111
statahead wrong: 2
agl total: 107
list_total: 27
fname_total: 82
hit_total: 1942
miss_total: 1518
 - open/close 632 (time 1777001516.62 total 10.02 last 63.08)
total: 900 open/close in 14.71 seconds: 61.16 ops/second
llite.lustre-ffff9dbe94790000.statahead_max=0
1000

real	0m27.111s
user	0m0.106s
sys	0m3.418s
statx -l 1000 files without statahead: 27 sec
llite.lustre-ffff9dbe94790000.statahead_max=128
128
1000

real	0m6.649s
user	0m0.103s
sys	0m1.705s
statx -l 1000 files with statahead: 7 sec
statahead total: 112
statahead wrong: 2
agl total: 108
list_total: 28
fname_total: 82
hit_total: 2941
miss_total: 1518
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff9dbe94790000.statahead_stats=
statahead total: 112
statahead wrong: 2
agl total: 108
list_total: 28
fname_total: 82
hit_total: 2941
miss_total: 1518
mdc.lustre-MDT0000-mdc-ffff9dbe94790000.batch_stats=
snapshot_time:            1777001589.139899421 secs.nsecs
start_time:               1777001493.150389685 secs.nsecs
elapsed_time:             95.989509736 secs.nsecs
subreqs per batch   batches   % cum %
1:		        14  34  34
2:		         5  12  46
4:		         2   4  51
8:		         3   7  58
16:		         1   2  60
32:		         6  14  75
64:		        10  24 100
mdc.lustre-MDT0001-mdc-ffff9dbe94790000.batch_stats=
snapshot_time:            1777001589.139978813 secs.nsecs
start_time:               1777001493.150485152 secs.nsecs
elapsed_time:             95.989493661 secs.nsecs
subreqs per batch   batches   % cum %
1:		        24  54  54
2:		         2   4  59
4:		         4   9  68
8:		         1   2  70
16:		         1   2  72
32:		         5  11  84
64:		         7  15 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536