== sanity test 123ab: verify statahead work by using statx ========================================================== 19:48:49 (1788565729)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9fba10188000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9fba10188000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.33 seconds: 29.99 ops/second
llite.lustre-ffff9fba10188000.statahead_max=0
100

real	0m3.303s
user	0m0.008s
sys	0m0.315s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9fba10188000.statahead_max=128
llite.lustre-ffff9fba10188000.statahead_max=128
100

real	0m0.800s
user	0m0.003s
sys	0m0.152s
'statx -l' 100 files with statahead: 1 sec
statahead total: 143
statahead wrong: 2
agl total: 139
list_total: 26
fname_total: 117
hit_total: 1834
miss_total: 1285
swrong=2 ewrong=2
 - open/close 641 (time 1788565762.68 total 10.00 last 64.09)
total: 900 open/close in 14.86 seconds: 60.56 ops/second
llite.lustre-ffff9fba10188000.statahead_max=0
1000

real	0m20.929s
user	0m0.068s
sys	0m2.624s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff9fba10188000.statahead_max=128
llite.lustre-ffff9fba10188000.statahead_max=128
1000

real	0m9.942s
user	0m0.063s
sys	0m1.361s
'statx -l' 1000 files with statahead: 10 sec
statahead total: 144
statahead wrong: 2
agl total: 140
list_total: 27
fname_total: 117
hit_total: 2833
miss_total: 1285
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 24 seconds
llite.lustre-ffff9fba10188000.statahead_stats=
statahead total: 144
statahead wrong: 2
agl total: 140
list_total: 27
fname_total: 117
hit_total: 2833
miss_total: 1285
mdc.lustre-MDT0000-mdc-ffff9fba10188000.batch_stats=
snapshot_time:            1788565836.765857043 secs.nsecs
start_time:               1788565734.880936531 secs.nsecs
elapsed_time:             101.884920512 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         1   4  16
4:		         1   4  20
8:		         3  12  32
16:		         1   4  36
32:		         4  16  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff9fba10188000.batch_stats=
snapshot_time:            1788565836.765987450 secs.nsecs
start_time:               1788565734.881057065 secs.nsecs
elapsed_time:             101.884930385 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  13  13
2:		         1   4  18
4:		         2   9  27
8:		         3  13  40
16:		         0   0  40
32:		         7  31  72
64:		         6  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