== sanity test 123ab: verify statahead work by using statx ========================================================== 02:17:48 (1786342668)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff99044cbab800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99044cbab800.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.85 seconds: 54.02 ops/second
llite.lustre-ffff99044cbab800.statahead_max=0
100

real	0m1.505s
user	0m0.005s
sys	0m0.284s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff99044cbab800.statahead_max=128
llite.lustre-ffff99044cbab800.statahead_max=128
100

real	0m0.595s
user	0m0.009s
sys	0m0.169s
'statx -l' 100 files with statahead: 0 sec
statahead total: 98
statahead wrong: 2
agl total: 94
list_total: 26
fname_total: 71
hit_total: 1760
miss_total: 1172
swrong=2 ewrong=2
total: 900 open/close in 7.93 seconds: 113.48 ops/second
llite.lustre-ffff99044cbab800.statahead_max=0
1000

real	0m15.419s
user	0m0.087s
sys	0m2.836s
'statx -l' 1000 files without statahead: 15 sec
llite.lustre-ffff99044cbab800.statahead_max=128
llite.lustre-ffff99044cbab800.statahead_max=128
1000

real	0m3.927s
user	0m0.043s
sys	0m1.385s
'statx -l' 1000 files with statahead: 4 sec
statahead total: 99
statahead wrong: 2
agl total: 95
list_total: 27
fname_total: 71
hit_total: 2759
miss_total: 1172
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 12 seconds
llite.lustre-ffff99044cbab800.statahead_stats=
statahead total: 99
statahead wrong: 2
agl total: 95
list_total: 27
fname_total: 71
hit_total: 2759
miss_total: 1172
mdc.lustre-MDT0000-mdc-ffff99044cbab800.batch_stats=
snapshot_time:            1786342724.448976288 secs.nsecs
start_time:               1786342671.070057003 secs.nsecs
elapsed_time:             53.378919285 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   9   9
2:		         1   4  13
4:		         3  13  27
8:		         1   4  31
16:		         1   4  36
32:		         3  13  50
64:		        11  50 100
mdc.lustre-MDT0001-mdc-ffff99044cbab800.batch_stats=
snapshot_time:            1786342724.449020014 secs.nsecs
start_time:               1786342671.070154774 secs.nsecs
elapsed_time:             53.378865240 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  28  28
2:		         1   3  32
4:		         2   7  39
8:		         2   7  46
16:		         1   3  50
32:		         3  10  60
64:		        11  39 100
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