== sanity test 123ab: verify statahead work by using statx ========================================================== 08:40:59 (1787834459)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8d2745eca800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8d2745eca800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.72 seconds: 36.78 ops/second
llite.lustre-ffff8d2745eca800.statahead_max=0
100

real	0m2.157s
user	0m0.006s
sys	0m0.283s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8d2745eca800.statahead_max=128
llite.lustre-ffff8d2745eca800.statahead_max=128
100

real	0m0.600s
user	0m0.007s
sys	0m0.186s
'statx -l' 100 files with statahead: 1 sec
statahead total: 106
statahead wrong: 2
agl total: 103
list_total: 27
fname_total: 77
hit_total: 2173
miss_total: 1287
swrong=2 ewrong=2
total: 900 open/close in 9.77 seconds: 92.14 ops/second
llite.lustre-ffff8d2745eca800.statahead_max=0
1000

real	0m19.819s
user	0m0.078s
sys	0m2.532s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff8d2745eca800.statahead_max=128
llite.lustre-ffff8d2745eca800.statahead_max=128
1000

real	0m5.225s
user	0m0.048s
sys	0m1.282s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 107
statahead wrong: 2
agl total: 104
list_total: 28
fname_total: 77
hit_total: 3172
miss_total: 1287
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff8d2745eca800.statahead_stats=
statahead total: 107
statahead wrong: 2
agl total: 104
list_total: 28
fname_total: 77
hit_total: 3172
miss_total: 1287
mdc.lustre-MDT0000-mdc-ffff8d2745eca800.batch_stats=
snapshot_time:            1787834541.250087787 secs.nsecs
start_time:               1787834463.664160383 secs.nsecs
elapsed_time:             77.585927404 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6  22  22
2:		         1   3  25
4:		         1   3  29
8:		         2   7  37
16:		         3  11  48
32:		         3  11  59
64:		        11  40 100
mdc.lustre-MDT0001-mdc-ffff8d2745eca800.batch_stats=
snapshot_time:            1787834541.250246493 secs.nsecs
start_time:               1787834463.664239920 secs.nsecs
elapsed_time:             77.586006573 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  28  28
2:		         1   4  32
4:		         2   8  40
8:		         2   8  48
16:		         0   0  48
32:		         7  28  76
64:		         6  24 100
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