== sanity test 123ab: verify statahead work by using statx ========================================================== 20:38:16 (1788568696)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff90f4f40b1000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff90f4f40b1000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.29 seconds: 30.39 ops/second
llite.lustre-ffff90f4f40b1000.statahead_max=0
100

real	0m2.847s
user	0m0.011s
sys	0m0.320s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff90f4f40b1000.statahead_max=128
llite.lustre-ffff90f4f40b1000.statahead_max=128
100

real	0m1.093s
user	0m0.006s
sys	0m0.171s
'statx -l' 100 files with statahead: 1 sec
statahead total: 114
statahead wrong: 2
agl total: 110
list_total: 26
fname_total: 79
hit_total: 1858
miss_total: 1447
swrong=2 ewrong=2
total: 900 open/close in 9.67 seconds: 93.04 ops/second
llite.lustre-ffff90f4f40b1000.statahead_max=0
1000

real	0m19.642s
user	0m0.095s
sys	0m2.657s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff90f4f40b1000.statahead_max=128
llite.lustre-ffff90f4f40b1000.statahead_max=128
1000

real	0m6.748s
user	0m0.067s
sys	0m1.239s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 115
statahead wrong: 2
agl total: 111
list_total: 27
fname_total: 79
hit_total: 2857
miss_total: 1447
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff90f4f40b1000.statahead_stats=
statahead total: 115
statahead wrong: 2
agl total: 111
list_total: 27
fname_total: 79
hit_total: 2857
miss_total: 1447
mdc.lustre-MDT0000-mdc-ffff90f4f40b1000.batch_stats=
snapshot_time:            1788568789.408400155 secs.nsecs
start_time:               1788568702.013598060 secs.nsecs
elapsed_time:             87.394802095 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  28  28
2:		         0   0  28
4:		         0   0  28
8:		         4  14  42
16:		         1   3  46
32:		         2   7  53
64:		        13  46 100
mdc.lustre-MDT0001-mdc-ffff90f4f40b1000.batch_stats=
snapshot_time:            1788568789.408531383 secs.nsecs
start_time:               1788568702.013768620 secs.nsecs
elapsed_time:             87.394762763 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  20  20
2:		         2   8  29
4:		         3  12  41
8:		         1   4  45
16:		         0   0  45
32:		         6  25  70
64:		         7  29 100
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