== sanity test 123ab: verify statahead work by using statx ========================================================== 23:44:09 (1789271049)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff98cc6a5c7800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98cc6a5c7800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.20 seconds: 31.22 ops/second
llite.lustre-ffff98cc6a5c7800.statahead_max=0
100

real	0m2.783s
user	0m0.006s
sys	0m0.311s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff98cc6a5c7800.statahead_max=128
llite.lustre-ffff98cc6a5c7800.statahead_max=128
100

real	0m1.209s
user	0m0.011s
sys	0m0.155s
'statx -l' 100 files with statahead: 1 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 27
fname_total: 102
hit_total: 1561
miss_total: 1541
swrong=2 ewrong=2
 - open/close 584 (time 1789271079.37 total 10.00 last 58.37)
total: 900 open/close in 14.60 seconds: 61.62 ops/second
llite.lustre-ffff98cc6a5c7800.statahead_max=0
1000

real	0m23.989s
user	0m0.095s
sys	0m2.956s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff98cc6a5c7800.statahead_max=128
llite.lustre-ffff98cc6a5c7800.statahead_max=128
1000

real	0m5.430s
user	0m0.064s
sys	0m1.360s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 28
fname_total: 102
hit_total: 2559
miss_total: 1542
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff98cc6a5c7800.statahead_stats=
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 28
fname_total: 102
hit_total: 2559
miss_total: 1542
mdc.lustre-MDT0000-mdc-ffff98cc6a5c7800.batch_stats=
snapshot_time:            1789271146.936703526 secs.nsecs
start_time:               1789271054.349241421 secs.nsecs
elapsed_time:             92.587462105 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         1   4  16
4:		         0   0  16
8:		         2   8  25
16:		         2   8  33
32:		         4  16  50
64:		        12  50 100
mdc.lustre-MDT0001-mdc-ffff98cc6a5c7800.batch_stats=
snapshot_time:            1789271146.936773504 secs.nsecs
start_time:               1789271054.351890396 secs.nsecs
elapsed_time:             92.584883108 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  19  19
2:		         1   4  23
4:		         1   4  28
8:		         0   0  28
16:		         1   4  33
32:		         9  42  76
64:		         5  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