== sanity test 123ab: verify statahead work by using statx ========================================================== 11:41:11 (1776872471)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9ce406e37000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9ce406e37000.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.37 seconds: 72.74 ops/second
llite.lustre-ffff9ce406e37000.statahead_max=0
100

real	0m1.341s
user	0m0.004s
sys	0m0.277s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9ce406e37000.statahead_max=128
128
100

real	0m0.558s
user	0m0.005s
sys	0m0.149s
statx -l 100 files with statahead: 1 sec
statahead total: 67
statahead wrong: 1
agl total: 64
list_total: 23
fname_total: 44
hit_total: 11904
miss_total: 212
total: 900 open/close in 8.17 seconds: 110.16 ops/second
llite.lustre-ffff9ce406e37000.statahead_max=0
1000

real	0m16.334s
user	0m0.073s
sys	0m2.681s
statx -l 1000 files without statahead: 16 sec
llite.lustre-ffff9ce406e37000.statahead_max=128
128
1000

real	0m3.548s
user	0m0.052s
sys	0m1.410s
statx -l 1000 files with statahead: 4 sec
statahead total: 68
statahead wrong: 1
agl total: 65
list_total: 24
fname_total: 44
hit_total: 12903
miss_total: 212
 - open/close 1249 (time 1776872526.04 total 10.00 last 124.85)
total: 2000 open/close in 15.96 seconds: 125.32 ops/second
llite.lustre-ffff9ce406e37000.statahead_max=0
3000

real	0m46.047s
user	0m0.270s
sys	0m8.148s
statx -l 3000 files without statahead: 46 sec
llite.lustre-ffff9ce406e37000.statahead_max=128
128
3000

real	0m9.354s
user	0m0.139s
sys	0m4.280s
statx -l 3000 files with statahead: 10 sec
statahead total: 69
statahead wrong: 1
agl total: 66
list_total: 25
fname_total: 44
hit_total: 15902
miss_total: 212
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 33 seconds
llite.lustre-ffff9ce406e37000.statahead_stats=
statahead total: 69
statahead wrong: 1
agl total: 66
list_total: 25
fname_total: 44
hit_total: 15902
miss_total: 212
mdc.lustre-MDT0000-mdc-ffff9ce406e37000.batch_stats=
snapshot_time:            1776872629.932167079 secs.nsecs
start_time:               1776872474.136767939 secs.nsecs
elapsed_time:             155.795399140 secs.nsecs
subreqs per batch   batches   % cum %
1:		        44  36  36
2:		         7   5  42
4:		         8   6  48
8:		         5   4  52
16:		         1   0  53
32:		        20  16  70
64:		        36  29 100
mdc.lustre-MDT0001-mdc-ffff9ce406e37000.batch_stats=
snapshot_time:            1776872629.932240289 secs.nsecs
start_time:               1776872474.137098112 secs.nsecs
elapsed_time:             155.795142177 secs.nsecs
subreqs per batch   batches   % cum %
1:		        47  38  38
2:		         8   6  44
4:		         7   5  50
8:		         3   2  52
16:		         3   2  55
32:		        16  13  68
64:		        39  31 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536