== sanity test 123ab: verify statahead work by using statx ========================================================== 02:47:13 (1788850033)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8c1576dcb000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8c1576dcb000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.52 seconds: 39.71 ops/second
llite.lustre-ffff8c1576dcb000.statahead_max=0
100

real	0m1.727s
user	0m0.012s
sys	0m0.291s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8c1576dcb000.statahead_max=128
llite.lustre-ffff8c1576dcb000.statahead_max=128
100

real	0m1.094s
user	0m0.013s
sys	0m0.165s
'statx -l' 100 files with statahead: 1 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 27
fname_total: 87
hit_total: 1680
miss_total: 1712
swrong=2 ewrong=2
 - open/close 761 (time 1788850058.07 total 10.01 last 75.99)
total: 900 open/close in 11.64 seconds: 77.34 ops/second
llite.lustre-ffff8c1576dcb000.statahead_max=0
1000

real	0m19.073s
user	0m0.096s
sys	0m2.784s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff8c1576dcb000.statahead_max=128
llite.lustre-ffff8c1576dcb000.statahead_max=128
1000

real	0m4.723s
user	0m0.059s
sys	0m1.287s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 28
fname_total: 87
hit_total: 2679
miss_total: 1712
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 17 seconds
llite.lustre-ffff8c1576dcb000.statahead_stats=
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 28
fname_total: 87
hit_total: 2679
miss_total: 1712
mdc.lustre-MDT0000-mdc-ffff8c1576dcb000.batch_stats=
snapshot_time:            1788850110.728138324 secs.nsecs
start_time:               1788850036.572145826 secs.nsecs
elapsed_time:             74.155992498 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   7   7
2:		         0   0   7
4:		         4  15  23
8:		         5  19  42
16:		         0   0  42
32:		         2   7  50
64:		        13  50 100
mdc.lustre-MDT0001-mdc-ffff8c1576dcb000.batch_stats=
snapshot_time:            1788850110.728206484 secs.nsecs
start_time:               1788850036.572309928 secs.nsecs
elapsed_time:             74.155896556 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  30  30
2:		         3  11  42
4:		         1   3  46
8:		         1   3  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