== sanity test 123ab: verify statahead work by using statx ========================================================== 07:06:54 (1789384014)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9f254a439800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9f254a439800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.75 seconds: 36.42 ops/second
llite.lustre-ffff9f254a439800.statahead_max=0
100

real	0m2.237s
user	0m0.010s
sys	0m0.262s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9f254a439800.statahead_max=128
llite.lustre-ffff9f254a439800.statahead_max=128
100

real	0m0.790s
user	0m0.004s
sys	0m0.144s
'statx -l' 100 files with statahead: 0 sec
statahead total: 116
statahead wrong: 2
agl total: 112
list_total: 27
fname_total: 85
hit_total: 1432
miss_total: 1319
swrong=2 ewrong=2
 - open/close 826 (time 1789384040.74 total 10.00 last 82.59)
total: 900 open/close in 11.17 seconds: 80.54 ops/second
llite.lustre-ffff9f254a439800.statahead_max=0
1000

real	0m22.770s
user	0m0.080s
sys	0m2.612s
'statx -l' 1000 files without statahead: 23 sec
llite.lustre-ffff9f254a439800.statahead_max=128
llite.lustre-ffff9f254a439800.statahead_max=128
1000

real	0m5.440s
user	0m0.058s
sys	0m1.126s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 28
fname_total: 85
hit_total: 2431
miss_total: 1319
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff9f254a439800.statahead_stats=
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 28
fname_total: 85
hit_total: 2431
miss_total: 1319
mdc.lustre-MDT0000-mdc-ffff9f254a439800.batch_stats=
snapshot_time:            1789384102.099317228 secs.nsecs
start_time:               1789384018.634642010 secs.nsecs
elapsed_time:             83.464675218 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  21  21
2:		         3   9  31
4:		         2   6  37
8:		         2   6  43
16:		         3   9  53
32:		         3   9  62
64:		        12  37 100
mdc.lustre-MDT0001-mdc-ffff9f254a439800.batch_stats=
snapshot_time:            1789384102.099378325 secs.nsecs
start_time:               1789384018.634759530 secs.nsecs
elapsed_time:             83.464618795 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         7  26  26
2:		         2   7  34
4:		         2   7  42
8:		         1   3  46
16:		         1   3  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