== sanity test 123ab: verify statahead work by using statx ========================================================== 22:57:57 (1784343477)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9cf184b28000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9cf184b28000.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.31 seconds: 76.57 ops/second
llite.lustre-ffff9cf184b28000.statahead_max=0
100

real	0m1.172s
user	0m0.004s
sys	0m0.290s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9cf184b28000.statahead_max=128
llite.lustre-ffff9cf184b28000.statahead_max=128
100

real	0m0.420s
user	0m0.004s
sys	0m0.205s
'statx -l' 100 files with statahead: 0 sec
statahead total: 51
statahead wrong: 2
agl total: 49
list_total: 22
fname_total: 29
hit_total: 1583
miss_total: 1588
swrong=2 ewrong=2
total: 900 open/close in 5.16 seconds: 174.30 ops/second
llite.lustre-ffff9cf184b28000.statahead_max=0
1000

real	0m11.293s
user	0m0.053s
sys	0m2.830s
'statx -l' 1000 files without statahead: 11 sec
llite.lustre-ffff9cf184b28000.statahead_max=128
llite.lustre-ffff9cf184b28000.statahead_max=128
1000

real	0m4.884s
user	0m0.058s
sys	0m1.577s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 52
statahead wrong: 2
agl total: 50
list_total: 23
fname_total: 29
hit_total: 2582
miss_total: 1588
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 16 seconds
llite.lustre-ffff9cf184b28000.statahead_stats=
statahead total: 52
statahead wrong: 2
agl total: 50
list_total: 23
fname_total: 29
hit_total: 2582
miss_total: 1588
mdc.lustre-MDT0000-mdc-ffff9cf184b28000.batch_stats=
snapshot_time:            1784343529.617530448 secs.nsecs
start_time:               1784343479.270662962 secs.nsecs
elapsed_time:             50.346867486 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        11  33  33
2:		         2   6  39
4:		         3   9  48
8:		         2   6  54
16:		         1   3  57
32:		         5  15  72
64:		         9  27 100
mdc.lustre-MDT0001-mdc-ffff9cf184b28000.batch_stats=
snapshot_time:            1784343529.617607736 secs.nsecs
start_time:               1784343479.270786228 secs.nsecs
elapsed_time:             50.346821508 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        12  36  36
2:		         0   0  36
4:		         3   9  45
8:		         3   9  54
16:		         1   3  57
32:		         7  21  78
64:		         7  21 100
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