== sanity test 123ab: verify statahead work by using statx ========================================================== 11:39:59 (1789141199)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8adebd28d800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8adebd28d800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.55 seconds: 39.28 ops/second
llite.lustre-ffff8adebd28d800.statahead_max=0
100

real	0m2.397s
user	0m0.012s
sys	0m0.288s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8adebd28d800.statahead_max=128
llite.lustre-ffff8adebd28d800.statahead_max=128
100

real	0m0.889s
user	0m0.006s
sys	0m0.156s
'statx -l' 100 files with statahead: 1 sec
statahead total: 137
statahead wrong: 2
agl total: 132
list_total: 27
fname_total: 95
hit_total: 1604
miss_total: 1678
swrong=2 ewrong=2
total: 900 open/close in 9.69 seconds: 92.87 ops/second
llite.lustre-ffff8adebd28d800.statahead_max=0
1000

real	0m15.527s
user	0m0.063s
sys	0m2.433s
'statx -l' 1000 files without statahead: 15 sec
llite.lustre-ffff8adebd28d800.statahead_max=128
llite.lustre-ffff8adebd28d800.statahead_max=128
1000

real	0m5.662s
user	0m0.064s
sys	0m1.236s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 138
statahead wrong: 2
agl total: 133
list_total: 28
fname_total: 95
hit_total: 2603
miss_total: 1678
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff8adebd28d800.statahead_stats=
statahead total: 138
statahead wrong: 2
agl total: 133
list_total: 28
fname_total: 95
hit_total: 2603
miss_total: 1678
mdc.lustre-MDT0000-mdc-ffff8adebd28d800.batch_stats=
snapshot_time:            1789141280.887516884 secs.nsecs
start_time:               1789141204.350052678 secs.nsecs
elapsed_time:             76.537464206 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         1   4   9
4:		         0   0   9
8:		         5  22  31
16:		         1   4  36
32:		         2   9  45
64:		        12  54 100
mdc.lustre-MDT0001-mdc-ffff8adebd28d800.batch_stats=
snapshot_time:            1789141280.887587456 secs.nsecs
start_time:               1789141204.350128377 secs.nsecs
elapsed_time:             76.537459079 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2  10  10
2:		         1   5  15
4:		         2  10  26
8:		         1   5  31
16:		         0   0  31
32:		         6  31  63
64:		         7  36 100
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