== sanity test 123ab: verify statahead work by using statx ========================================================== 01:13:40 (1788758020)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9f5f87cb8000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9f5f87cb8000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.15 seconds: 46.55 ops/second
llite.lustre-ffff9f5f87cb8000.statahead_max=0
100

real	0m2.391s
user	0m0.008s
sys	0m0.284s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9f5f87cb8000.statahead_max=128
llite.lustre-ffff9f5f87cb8000.statahead_max=128
100

real	0m1.050s
user	0m0.006s
sys	0m0.178s
'statx -l' 100 files with statahead: 1 sec
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 27
fname_total: 81
hit_total: 2375
miss_total: 1289
swrong=2 ewrong=2
 - open/close 894 (time 1788758049.15 total 10.01 last 89.34)
total: 900 open/close in 10.06 seconds: 89.48 ops/second
llite.lustre-ffff9f5f87cb8000.statahead_max=0
1000

real	0m20.782s
user	0m0.082s
sys	0m2.697s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff9f5f87cb8000.statahead_max=128
llite.lustre-ffff9f5f87cb8000.statahead_max=128
1000

real	0m5.531s
user	0m0.077s
sys	0m1.244s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 28
fname_total: 81
hit_total: 3374
miss_total: 1289
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff9f5f87cb8000.statahead_stats=
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 28
fname_total: 81
hit_total: 3374
miss_total: 1289
mdc.lustre-MDT0000-mdc-ffff9f5f87cb8000.batch_stats=
snapshot_time:            1788758107.279485137 secs.nsecs
start_time:               1788758025.945923788 secs.nsecs
elapsed_time:             81.333561349 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  13
4:		         1   4  17
8:		         3  13  30
16:		         1   4  34
32:		         5  21  56
64:		        10  43 100
mdc.lustre-MDT0001-mdc-ffff9f5f87cb8000.batch_stats=
snapshot_time:            1788758107.279557926 secs.nsecs
start_time:               1788758025.946198680 secs.nsecs
elapsed_time:             81.333359246 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         0   0   5
4:		         3  16  22
8:		         0   0  22
16:		         1   5  27
32:		         8  44  72
64:		         5  27 100
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