== sanity test 123ab: verify statahead work by using statx ========================================================== 14:13:49 (1788891229)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff974f275d1800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff974f275d1800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.14 seconds: 87.34 ops/second
llite.lustre-ffff974f275d1800.statahead_max=0
100

real	0m0.916s
user	0m0.008s
sys	0m0.269s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff974f275d1800.statahead_max=128
llite.lustre-ffff974f275d1800.statahead_max=128
100

real	0m0.470s
user	0m0.004s
sys	0m0.186s
'statx -l' 100 files with statahead: 1 sec
statahead total: 72
statahead wrong: 2
agl total: 70
list_total: 24
fname_total: 48
hit_total: 1577
miss_total: 514
swrong=2 ewrong=2
total: 900 open/close in 3.45 seconds: 261.18 ops/second
llite.lustre-ffff974f275d1800.statahead_max=0
1000

real	0m9.814s
user	0m0.084s
sys	0m2.579s
'statx -l' 1000 files without statahead: 9 sec
llite.lustre-ffff974f275d1800.statahead_max=128
llite.lustre-ffff974f275d1800.statahead_max=128
1000

real	0m3.300s
user	0m0.032s
sys	0m1.666s
'statx -l' 1000 files with statahead: 3 sec
statahead total: 73
statahead wrong: 2
agl total: 71
list_total: 25
fname_total: 48
hit_total: 2576
miss_total: 514
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 8 seconds
llite.lustre-ffff974f275d1800.statahead_stats=
statahead total: 73
statahead wrong: 2
agl total: 71
list_total: 25
fname_total: 48
hit_total: 2576
miss_total: 514
mdc.lustre-MDT0000-mdc-ffff974f275d1800.batch_stats=
snapshot_time:            1788891265.026959155 secs.nsecs
start_time:               1788891230.776730182 secs.nsecs
elapsed_time:             34.250228973 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        11  35  35
2:		         1   3  38
4:		         1   3  41
8:		         2   6  48
16:		         2   6  54
32:		         3   9  64
64:		        11  35 100
mdc.lustre-MDT0001-mdc-ffff974f275d1800.batch_stats=
snapshot_time:            1788891265.027028485 secs.nsecs
start_time:               1788891230.776806235 secs.nsecs
elapsed_time:             34.250222250 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  23  23
2:		         1   4  28
4:		         2   9  38
8:		         0   0  38
16:		         0   0  38
32:		         7  33  71
64:		         6  28 100
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