== sanity test 123ab: verify statahead work by using statx ========================================================== 23:19:11 (1784171951)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff988d909ba800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff988d909ba800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.20 seconds: 83.55 ops/second
llite.lustre-ffff988d909ba800.statahead_max=0
100

real	0m1.100s
user	0m0.007s
sys	0m0.360s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff988d909ba800.statahead_max=128
llite.lustre-ffff988d909ba800.statahead_max=128
100

real	0m0.456s
user	0m0.003s
sys	0m0.213s
'statx -l' 100 files with statahead: 0 sec
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 25
fname_total: 78
hit_total: 1684
miss_total: 614
swrong=2 ewrong=2
total: 900 open/close in 4.30 seconds: 209.22 ops/second
llite.lustre-ffff988d909ba800.statahead_max=0
1000

real	0m10.597s
user	0m0.048s
sys	0m3.358s
'statx -l' 1000 files without statahead: 10 sec
llite.lustre-ffff988d909ba800.statahead_max=128
llite.lustre-ffff988d909ba800.statahead_max=128
1000

real	0m4.638s
user	0m0.021s
sys	0m2.018s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 104
statahead wrong: 2
agl total: 101
list_total: 26
fname_total: 78
hit_total: 2683
miss_total: 614
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 10 seconds
llite.lustre-ffff988d909ba800.statahead_stats=
statahead total: 104
statahead wrong: 2
agl total: 101
list_total: 26
fname_total: 78
hit_total: 2683
miss_total: 614
mdc.lustre-MDT0000-mdc-ffff988d909ba800.batch_stats=
snapshot_time:            1784171993.839616413 secs.nsecs
start_time:               1784171953.613966960 secs.nsecs
elapsed_time:             40.225649453 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        19  47  47
2:		         2   5  52
4:		         3   7  60
8:		         2   5  65
16:		         0   0  65
32:		         4  10  75
64:		        10  25 100
mdc.lustre-MDT0001-mdc-ffff988d909ba800.batch_stats=
snapshot_time:            1784171993.839759626 secs.nsecs
start_time:               1784171953.614085960 secs.nsecs
elapsed_time:             40.225673666 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        14  40  40
2:		         2   5  45
4:		         1   2  48
8:		         3   8  57
16:		         1   2  60
32:		         4  11  71
64:		        10  28 100
unlink(/mnt/lustre/d123ab.sanity/f123ab.sanity0) error: No such file or directory
total: 0 unlinks in 0 seconds: -nan unlinks/second
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536