== sanity test 123ab: verify statahead work by using statx ========================================================== 03:35:21 (1788593721)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff978382ca4800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff978382ca4800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.41 seconds: 41.45 ops/second
llite.lustre-ffff978382ca4800.statahead_max=0
100

real	0m2.234s
user	0m0.010s
sys	0m0.320s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff978382ca4800.statahead_max=128
llite.lustre-ffff978382ca4800.statahead_max=128
100

real	0m1.000s
user	0m0.011s
sys	0m0.159s
'statx -l' 100 files with statahead: 1 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 32
fname_total: 88
hit_total: 1516
miss_total: 1664
swrong=2 ewrong=2
 - open/close 678 (time 1788593749.49 total 10.01 last 67.74)
total: 900 open/close in 13.37 seconds: 67.31 ops/second
llite.lustre-ffff978382ca4800.statahead_max=0
1000

real	0m23.515s
user	0m0.101s
sys	0m2.903s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff978382ca4800.statahead_max=128
llite.lustre-ffff978382ca4800.statahead_max=128
1000

real	0m6.580s
user	0m0.076s
sys	0m1.500s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 136
statahead wrong: 2
agl total: 132
list_total: 33
fname_total: 88
hit_total: 2515
miss_total: 1664
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 24 seconds
llite.lustre-ffff978382ca4800.statahead_stats=
statahead total: 136
statahead wrong: 2
agl total: 132
list_total: 33
fname_total: 88
hit_total: 2515
miss_total: 1664
mdc.lustre-MDT0000-mdc-ffff978382ca4800.batch_stats=
snapshot_time:            1788593819.001069312 secs.nsecs
start_time:               1788593726.608955941 secs.nsecs
elapsed_time:             92.392113371 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  15  15
2:		         1   3  19
4:		         1   3  23
8:		         2   7  30
16:		         4  15  46
32:		         2   7  53
64:		        12  46 100
mdc.lustre-MDT0001-mdc-ffff978382ca4800.batch_stats=
snapshot_time:            1788593819.001459896 secs.nsecs
start_time:               1788593726.609151252 secs.nsecs
elapsed_time:             92.392308644 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2  10  10
2:		         0   0  10
4:		         2  10  20
8:		         2  10  30
16:		         1   5  35
32:		         6  30  65
64:		         7  35 100
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