== sanity test 123ab: verify statahead work by using statx ========================================================== 13:11:59 (1784049119)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff98ae921eb800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98ae921eb800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.26 seconds: 44.27 ops/second
llite.lustre-ffff98ae921eb800.statahead_max=0
100

real	0m1.756s
user	0m0.007s
sys	0m0.289s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff98ae921eb800.statahead_max=128
llite.lustre-ffff98ae921eb800.statahead_max=128
100

real	0m1.115s
user	0m0.011s
sys	0m0.171s
'statx -l' 100 files with statahead: 1 sec
statahead total: 150
statahead wrong: 2
agl total: 146
list_total: 27
fname_total: 108
hit_total: 1753
miss_total: 1730
swrong=2 ewrong=2
 - open/close 810 (time 1784049147.86 total 10.00 last 80.98)
total: 900 open/close in 11.13 seconds: 80.88 ops/second
llite.lustre-ffff98ae921eb800.statahead_max=0
1000

real	0m18.364s
user	0m0.078s
sys	0m2.870s
'statx -l' 1000 files without statahead: 18 sec
llite.lustre-ffff98ae921eb800.statahead_max=128
llite.lustre-ffff98ae921eb800.statahead_max=128
1000

real	0m6.173s
user	0m0.059s
sys	0m1.305s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 151
statahead wrong: 2
agl total: 147
list_total: 28
fname_total: 108
hit_total: 2752
miss_total: 1730
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff98ae921eb800.statahead_stats=
statahead total: 151
statahead wrong: 2
agl total: 147
list_total: 28
fname_total: 108
hit_total: 2752
miss_total: 1730
mdc.lustre-MDT0000-mdc-ffff98ae921eb800.batch_stats=
snapshot_time:            1784049205.829823257 secs.nsecs
start_time:               1784049124.392881367 secs.nsecs
elapsed_time:             81.436941890 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  26  26
2:		         0   0  26
4:		         2   6  33
8:		         3  10  43
16:		         1   3  46
32:		         5  16  63
64:		        11  36 100
mdc.lustre-MDT0001-mdc-ffff98ae921eb800.batch_stats=
snapshot_time:            1784049205.829880314 secs.nsecs
start_time:               1784049124.393019167 secs.nsecs
elapsed_time:             81.436861147 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  28  28
2:		         1   4  32
4:		         3  12  44
8:		         0   0  44
16:		         1   4  48
32:		         6  24  72
64:		         7  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