== sanity test 123ab: verify statahead work by using statx ========================================================== 18:32:59 (1780525979)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8cd618e7f800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8cd618e7f800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.68 seconds: 148.04 ops/second
llite.lustre-ffff8cd618e7f800.statahead_max=0
100

real	0m0.578s
user	0m0.001s
sys	0m0.219s
'statx -l' 100 files without statahead: 0 sec
llite.lustre-ffff8cd618e7f800.statahead_max=128
llite.lustre-ffff8cd618e7f800.statahead_max=128
100

real	0m0.390s
user	0m0.002s
sys	0m0.225s
'statx -l' 100 files with statahead: 0 sec
statahead total: 50
statahead wrong: 2
agl total: 49
list_total: 20
fname_total: 30
hit_total: 1460
miss_total: 1423
swrong=2 ewrong=2
total: 900 open/close in 1.84 seconds: 489.32 ops/second
llite.lustre-ffff8cd618e7f800.statahead_max=0
1000

real	0m5.786s
user	0m0.042s
sys	0m2.131s
'statx -l' 1000 files without statahead: 6 sec
llite.lustre-ffff8cd618e7f800.statahead_max=128
llite.lustre-ffff8cd618e7f800.statahead_max=128
1000

real	0m3.024s
user	0m0.028s
sys	0m1.825s
'statx -l' 1000 files with statahead: 3 sec
statahead total: 51
statahead wrong: 2
agl total: 50
list_total: 21
fname_total: 30
hit_total: 2459
miss_total: 1423
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 7 seconds
llite.lustre-ffff8cd618e7f800.statahead_stats=
statahead total: 51
statahead wrong: 2
agl total: 50
list_total: 21
fname_total: 30
hit_total: 2459
miss_total: 1423
mdc.lustre-MDT0000-mdc-ffff8cd618e7f800.batch_stats=
snapshot_time:            1780526004.649947840 secs.nsecs
start_time:               1780525980.517331871 secs.nsecs
elapsed_time:             24.132615969 secs.nsecs
subreqs per batch   batches   % cum %
1:		        21  50  50
2:		         1   2  52
4:		         1   2  54
8:		         2   4  59
16:		         3   7  66
32:		         3   7  73
64:		        11  26 100
mdc.lustre-MDT0001-mdc-ffff8cd618e7f800.batch_stats=
snapshot_time:            1780526004.650002672 secs.nsecs
start_time:               1780525980.517427988 secs.nsecs
elapsed_time:             24.132574684 secs.nsecs
subreqs per batch   batches   % cum %
1:		        18  51  51
2:		         1   2  54
4:		         2   5  60
8:		         1   2  62
16:		         0   0  62
32:		         6  17  80
64:		         7  20 100
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