== sanity test 123ab: verify statahead work by using statx ========================================================== 03:26:25 (1787124385)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9489be5ee000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9489be5ee000.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.12 seconds: 47.06 ops/second
llite.lustre-ffff9489be5ee000.statahead_max=0
100

real	0m2.206s
user	0m0.011s
sys	0m0.326s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9489be5ee000.statahead_max=128
llite.lustre-ffff9489be5ee000.statahead_max=128
100

real	0m0.630s
user	0m0.008s
sys	0m0.159s
'statx -l' 100 files with statahead: 0 sec
statahead total: 143
statahead wrong: 2
agl total: 138
list_total: 28
fname_total: 98
hit_total: 1903
miss_total: 1403
swrong=2 ewrong=2
total: 900 open/close in 9.43 seconds: 95.44 ops/second
llite.lustre-ffff9489be5ee000.statahead_max=0
1000

real	0m19.625s
user	0m0.084s
sys	0m2.935s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff9489be5ee000.statahead_max=128
llite.lustre-ffff9489be5ee000.statahead_max=128
1000

real	0m5.345s
user	0m0.063s
sys	0m1.503s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 144
statahead wrong: 2
agl total: 139
list_total: 29
fname_total: 98
hit_total: 2902
miss_total: 1403
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 17 seconds
llite.lustre-ffff9489be5ee000.statahead_stats=
statahead total: 144
statahead wrong: 2
agl total: 139
list_total: 29
fname_total: 98
hit_total: 2902
miss_total: 1403
mdc.lustre-MDT0000-mdc-ffff9489be5ee000.batch_stats=
snapshot_time:            1787124464.935634509 secs.nsecs
start_time:               1787124390.392942318 secs.nsecs
elapsed_time:             74.542692191 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  23  23
2:		         1   3  26
4:		         2   6  33
8:		         3  10  43
16:		         3  10  53
32:		         4  13  66
64:		        10  33 100
mdc.lustre-MDT0001-mdc-ffff9489be5ee000.batch_stats=
snapshot_time:            1787124464.935699584 secs.nsecs
start_time:               1787124390.393068994 secs.nsecs
elapsed_time:             74.542630590 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  27  27
2:		         1   2  30
4:		         3   8  38
8:		         5  13  52
16:		         2   5  58
32:		         7  19  77
64:		         8  22 100
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