== sanity test 123ab: verify statahead work by using statx ========================================================== 10:27:35 (1788532055)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.70 seconds: 36.99 ops/second
llite.lustre-ffff8f7309cf4000.statahead_max=0
100

real	0m2.335s
user	0m0.008s
sys	0m0.284s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8f7309cf4000.statahead_max=128
llite.lustre-ffff8f7309cf4000.statahead_max=128
100

real	0m0.635s
user	0m0.005s
sys	0m0.156s
'statx -l' 100 files with statahead: 0 sec
statahead total: 138
statahead wrong: 2
agl total: 133
list_total: 28
fname_total: 95
hit_total: 1870
miss_total: 1748
swrong=2 ewrong=2
 - open/close 898 (time 1788532082.82 total 10.01 last 89.72)
total: 900 open/close in 10.03 seconds: 89.71 ops/second
llite.lustre-ffff8f7309cf4000.statahead_max=0
1000

real	0m19.989s
user	0m0.079s
sys	0m2.702s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff8f7309cf4000.statahead_max=128
llite.lustre-ffff8f7309cf4000.statahead_max=128
1000

real	0m5.380s
user	0m0.057s
sys	0m1.326s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 139
statahead wrong: 2
agl total: 134
list_total: 29
fname_total: 95
hit_total: 2869
miss_total: 1748
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff8f7309cf4000.statahead_stats=
statahead total: 139
statahead wrong: 2
agl total: 134
list_total: 29
fname_total: 95
hit_total: 2869
miss_total: 1748
mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=
snapshot_time:            1788532138.292411893 secs.nsecs
start_time:               1788532060.574574498 secs.nsecs
elapsed_time:             77.717837395 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  17  17
2:		         2   6  24
4:		         4  13  37
8:		         1   3  41
16:		         1   3  44
32:		         4  13  58
64:		        12  41 100
mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=
snapshot_time:            1788532138.292509479 secs.nsecs
start_time:               1788532060.576107858 secs.nsecs
elapsed_time:             77.716401621 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  17  17
2:		         3  13  30
4:		         2   8  39
8:		         1   4  43
16:		         0   0  43
32:		         6  26  69
64:		         7  30 100
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