== sanity test 123ab: verify statahead work by using statx ========================================================== 14:12:55 (1788545575)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9eefff2fe000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9eefff2fe000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.81 seconds: 35.56 ops/second
llite.lustre-ffff9eefff2fe000.statahead_max=0
100

real	0m2.505s
user	0m0.010s
sys	0m0.282s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9eefff2fe000.statahead_max=128
llite.lustre-ffff9eefff2fe000.statahead_max=128
100

real	0m1.014s
user	0m0.009s
sys	0m0.147s
'statx -l' 100 files with statahead: 1 sec
statahead total: 125
statahead wrong: 2
agl total: 121
list_total: 28
fname_total: 82
hit_total: 1863
miss_total: 1568
swrong=2 ewrong=2
 - open/close 658 (time 1788545605.83 total 10.01 last 65.71)
total: 900 open/close in 13.72 seconds: 65.58 ops/second
llite.lustre-ffff9eefff2fe000.statahead_max=0
1000

real	0m24.902s
user	0m0.093s
sys	0m2.964s
'statx -l' 1000 files without statahead: 25 sec
llite.lustre-ffff9eefff2fe000.statahead_max=128
llite.lustre-ffff9eefff2fe000.statahead_max=128
1000

real	0m6.694s
user	0m0.080s
sys	0m1.434s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 126
statahead wrong: 2
agl total: 122
list_total: 29
fname_total: 82
hit_total: 2862
miss_total: 1568
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff9eefff2fe000.statahead_stats=
statahead total: 126
statahead wrong: 2
agl total: 122
list_total: 29
fname_total: 82
hit_total: 2862
miss_total: 1568
mdc.lustre-MDT0000-mdc-ffff9eefff2fe000.batch_stats=
snapshot_time:            1788545676.733190190 secs.nsecs
start_time:               1788545581.206280868 secs.nsecs
elapsed_time:             95.526909322 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         1   4   8
4:		         2   8  16
8:		         3  12  28
16:		         3  12  40
32:		         2   8  48
64:		        13  52 100
mdc.lustre-MDT0001-mdc-ffff9eefff2fe000.batch_stats=
snapshot_time:            1788545676.733261807 secs.nsecs
start_time:               1788545581.206389922 secs.nsecs
elapsed_time:             95.526871885 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  17  17
2:		         3  13  30
4:		         1   4  34
8:		         1   4  39
16:		         1   4  43
32:		         6  26  69
64:		         7  30 100
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