== sanity test 123ab: verify statahead work by using statx ========================================================== 05:29:46 (1784280586)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8ceacb58e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8ceacb58e800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.59 seconds: 62.96 ops/second
llite.lustre-ffff8ceacb58e800.statahead_max=0
100

real	0m1.420s
user	0m0.013s
sys	0m0.299s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff8ceacb58e800.statahead_max=128
llite.lustre-ffff8ceacb58e800.statahead_max=128
100

real	0m0.477s
user	0m0.008s
sys	0m0.202s
'statx -l' 100 files with statahead: 1 sec
statahead total: 111
statahead wrong: 2
agl total: 108
list_total: 26
fname_total: 84
hit_total: 2138
miss_total: 768
swrong=2 ewrong=2
total: 900 open/close in 7.24 seconds: 124.31 ops/second
llite.lustre-ffff8ceacb58e800.statahead_max=0
1000

real	0m13.318s
user	0m0.065s
sys	0m2.841s
'statx -l' 1000 files without statahead: 14 sec
llite.lustre-ffff8ceacb58e800.statahead_max=128
llite.lustre-ffff8ceacb58e800.statahead_max=128
1000

real	0m3.306s
user	0m0.058s
sys	0m1.815s
'statx -l' 1000 files with statahead: 4 sec
statahead total: 112
statahead wrong: 2
agl total: 109
list_total: 27
fname_total: 84
hit_total: 3137
miss_total: 768
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 9 seconds
llite.lustre-ffff8ceacb58e800.statahead_stats=
statahead total: 112
statahead wrong: 2
agl total: 109
list_total: 27
fname_total: 84
hit_total: 3137
miss_total: 768
mdc.lustre-MDT0000-mdc-ffff8ceacb58e800.batch_stats=
snapshot_time:            1784280632.962393897 secs.nsecs
start_time:               1784280588.477031841 secs.nsecs
elapsed_time:             44.485362056 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        12  38  38
2:		         0   0  38
4:		         1   3  41
8:		         3   9  51
16:		         1   3  54
32:		         1   3  58
64:		        13  41 100
mdc.lustre-MDT0001-mdc-ffff8ceacb58e800.batch_stats=
snapshot_time:            1784280632.962485231 secs.nsecs
start_time:               1784280588.477347148 secs.nsecs
elapsed_time:             44.485138083 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        12  38  38
2:		         2   6  45
4:		         3   9  54
8:		         1   3  58
16:		         1   3  61
32:		         5  16  77
64:		         7  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