== sanity test 123ab: verify statahead work by using statx ========================================================== 08:53:28 (1790945608)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff96b44da6f000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96b44da6f000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.46 seconds: 40.59 ops/second
llite.lustre-ffff96b44da6f000.statahead_max=0
100

real	0m2.407s
user	0m0.008s
sys	0m0.287s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff96b44da6f000.statahead_max=128
llite.lustre-ffff96b44da6f000.statahead_max=128
100

real	0m0.788s
user	0m0.011s
sys	0m0.158s
'statx -l' 100 files with statahead: 1 sec
statahead total: 113
statahead wrong: 2
agl total: 109
list_total: 26
fname_total: 87
hit_total: 1747
miss_total: 1348
swrong=2 ewrong=2
 - open/close 791 (time 1790945635.26 total 10.01 last 79.05)
total: 900 open/close in 11.42 seconds: 78.81 ops/second
llite.lustre-ffff96b44da6f000.statahead_max=0
1000

real	0m24.003s
user	0m0.088s
sys	0m2.625s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff96b44da6f000.statahead_max=128
llite.lustre-ffff96b44da6f000.statahead_max=128
1000

real	0m5.897s
user	0m0.063s
sys	0m1.250s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 114
statahead wrong: 2
agl total: 110
list_total: 27
fname_total: 87
hit_total: 2746
miss_total: 1348
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff96b44da6f000.statahead_stats=
statahead total: 114
statahead wrong: 2
agl total: 110
list_total: 27
fname_total: 87
hit_total: 2746
miss_total: 1348
mdc.lustre-MDT0000-mdc-ffff96b44da6f000.batch_stats=
snapshot_time:            1790945700.170377051 secs.nsecs
start_time:               1790945613.297504992 secs.nsecs
elapsed_time:             86.872872059 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  13
4:		         0   0  13
8:		         5  21  34
16:		         1   4  39
32:		         6  26  65
64:		         8  34 100
mdc.lustre-MDT0001-mdc-ffff96b44da6f000.batch_stats=
snapshot_time:            1790945700.170446993 secs.nsecs
start_time:               1790945613.297690932 secs.nsecs
elapsed_time:             86.872756061 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  11  11
2:		         3  11  23
4:		         4  15  38
8:		         1   3  42
16:		         1   3  46
32:		         3  11  57
64:		        11  42 100
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