== sanity test 123ab: verify statahead work by using statx ========================================================== 07:32:23 (1781609543)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8eb8e0324000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8eb8e0324000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.81 seconds: 55.17 ops/second
llite.lustre-ffff8eb8e0324000.statahead_max=0
100

real	0m1.899s
user	0m0.009s
sys	0m0.332s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8eb8e0324000.statahead_max=128
llite.lustre-ffff8eb8e0324000.statahead_max=128
100

real	0m0.676s
user	0m0.016s
sys	0m0.243s
'statx -l' 100 files with statahead: 1 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 24
fname_total: 65
hit_total: 1654
miss_total: 698
swrong=2 ewrong=2
total: 900 open/close in 8.85 seconds: 101.74 ops/second
llite.lustre-ffff8eb8e0324000.statahead_max=0
1000

real	0m20.009s
user	0m0.088s
sys	0m3.335s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff8eb8e0324000.statahead_max=128
llite.lustre-ffff8eb8e0324000.statahead_max=128
1000

real	0m5.048s
user	0m0.077s
sys	0m1.843s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 92
statahead wrong: 2
agl total: 90
list_total: 25
fname_total: 65
hit_total: 2653
miss_total: 698
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 17 seconds
llite.lustre-ffff8eb8e0324000.statahead_stats=
statahead total: 92
statahead wrong: 2
agl total: 90
list_total: 25
fname_total: 65
hit_total: 2653
miss_total: 698
mdc.lustre-MDT0000-mdc-ffff8eb8e0324000.batch_stats=
snapshot_time:            1781609615.123631588 secs.nsecs
start_time:               1781609546.116082587 secs.nsecs
elapsed_time:             69.007549001 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:		         2   7  55
64:		        12  44 100
mdc.lustre-MDT0001-mdc-ffff8eb8e0324000.batch_stats=
snapshot_time:            1781609615.123707158 secs.nsecs
start_time:               1781609546.116136306 secs.nsecs
elapsed_time:             69.007570852 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6  23  23
2:		         2   7  30
4:		         3  11  42
8:		         2   7  50
16:		         0   0  50
32:		         7  26  76
64:		         6  23 100
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