== sanity test 123ab: verify statahead work by using statx ========================================================== 06:37:06 (1787567826)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8eaf6ee85800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8eaf6ee85800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.03 seconds: 49.15 ops/second
llite.lustre-ffff8eaf6ee85800.statahead_max=0
100

real	0m2.000s
user	0m0.007s
sys	0m0.274s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8eaf6ee85800.statahead_max=128
llite.lustre-ffff8eaf6ee85800.statahead_max=128
100

real	0m0.871s
user	0m0.009s
sys	0m0.176s
'statx -l' 100 files with statahead: 1 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 27
fname_total: 94
hit_total: 2041
miss_total: 758
swrong=2 ewrong=2
 - open/close 866 (time 1787567852.31 total 10.01 last 86.54)
total: 900 open/close in 10.48 seconds: 85.90 ops/second
llite.lustre-ffff8eaf6ee85800.statahead_max=0
1000

real	0m19.318s
user	0m0.072s
sys	0m2.558s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff8eaf6ee85800.statahead_max=128
llite.lustre-ffff8eaf6ee85800.statahead_max=128
1000

real	0m5.247s
user	0m0.050s
sys	0m1.264s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 136
statahead wrong: 2
agl total: 132
list_total: 28
fname_total: 94
hit_total: 3040
miss_total: 758
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff8eaf6ee85800.statahead_stats=
statahead total: 136
statahead wrong: 2
agl total: 132
list_total: 28
fname_total: 94
hit_total: 3040
miss_total: 758
mdc.lustre-MDT0000-mdc-ffff8eaf6ee85800.batch_stats=
snapshot_time:            1787567906.830454122 secs.nsecs
start_time:               1787567831.407391679 secs.nsecs
elapsed_time:             75.423062443 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  13  13
2:		         0   0  13
4:		         1   4  17
8:		         3  13  30
16:		         2   8  39
32:		         2   8  47
64:		        12  52 100
mdc.lustre-MDT0001-mdc-ffff8eaf6ee85800.batch_stats=
snapshot_time:            1787567906.830538874 secs.nsecs
start_time:               1787567831.407845390 secs.nsecs
elapsed_time:             75.422693484 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6  26  26
2:		         0   0  26
4:		         3  13  39
8:		         0   0  39
16:		         1   4  43
32:		         8  34  78
64:		         5  21 100
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