== sanity test 123ab: verify statahead work by using statx ========================================================== 22:11:18 (1786759878)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff980d44ed2000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff980d44ed2000.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.08 seconds: 48.06 ops/second
llite.lustre-ffff980d44ed2000.statahead_max=0
100

real	0m1.898s
user	0m0.009s
sys	0m0.316s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff980d44ed2000.statahead_max=128
llite.lustre-ffff980d44ed2000.statahead_max=128
100

real	0m0.981s
user	0m0.009s
sys	0m0.166s
'statx -l' 100 files with statahead: 1 sec
statahead total: 135
statahead wrong: 2
agl total: 132
list_total: 27
fname_total: 108
hit_total: 1936
miss_total: 1692
swrong=2 ewrong=2
total: 900 open/close in 8.36 seconds: 107.70 ops/second
llite.lustre-ffff980d44ed2000.statahead_max=0
1000

real	0m18.502s
user	0m0.080s
sys	0m2.812s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff980d44ed2000.statahead_max=128
llite.lustre-ffff980d44ed2000.statahead_max=128
1000

real	0m5.136s
user	0m0.056s
sys	0m1.283s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 136
statahead wrong: 2
agl total: 133
list_total: 28
fname_total: 108
hit_total: 2935
miss_total: 1692
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 17 seconds
llite.lustre-ffff980d44ed2000.statahead_stats=
statahead total: 136
statahead wrong: 2
agl total: 133
list_total: 28
fname_total: 108
hit_total: 2935
miss_total: 1692
mdc.lustre-MDT0000-mdc-ffff980d44ed2000.batch_stats=
snapshot_time:            1786759952.434076184 secs.nsecs
start_time:               1786759882.175175422 secs.nsecs
elapsed_time:             70.258900762 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         1   4  16
4:		         2   8  25
8:		         2   8  33
16:		         1   4  37
32:		         7  29  66
64:		         8  33 100
mdc.lustre-MDT0001-mdc-ffff980d44ed2000.batch_stats=
snapshot_time:            1786759952.434135844 secs.nsecs
start_time:               1786759882.175259088 secs.nsecs
elapsed_time:             70.258876756 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  13  13
2:		         1   4  17
4:		         2   8  26
8:		         1   4  30
16:		         1   4  34
32:		         5  21  56
64:		        10  43 100
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