== sanity test 123ab: verify statahead work by using statx ========================================================== 16:49:10 (1760129350)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8e9cc8b7e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8e9cc8b7e800.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.17 seconds: 85.15 ops/second
llite.lustre-ffff8e9cc8b7e800.statahead_max=0
100

real	0m1.201s
user	0m0.009s
sys	0m0.292s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8e9cc8b7e800.statahead_max=128
128
100

real	0m0.554s
user	0m0.005s
sys	0m0.274s
statx -l 100 files with statahead: 0 sec
statahead total: 106
statahead wrong: 2
agl total: 103
list_total: 27
fname_total: 74
hit_total: 5820
miss_total: 1614
total: 900 open/close in 3.83 seconds: 234.72 ops/second
llite.lustre-ffff8e9cc8b7e800.statahead_max=0
1000

real	0m10.620s
user	0m0.094s
sys	0m2.790s
statx -l 1000 files without statahead: 10 sec
llite.lustre-ffff8e9cc8b7e800.statahead_max=128
128
1000

real	0m3.403s
user	0m0.049s
sys	0m1.861s
statx -l 1000 files with statahead: 3 sec
statahead total: 107
statahead wrong: 2
agl total: 104
list_total: 28
fname_total: 74
hit_total: 6819
miss_total: 1614
 - open/close 1990 (time 1760129390.35 total 10.00 last 198.91)
total: 4000 open/close in 18.15 seconds: 220.35 ops/second
llite.lustre-ffff8e9cc8b7e800.statahead_max=0
5000

real	0m39.767s
user	0m0.414s
sys	0m12.776s
statx -l 5000 files without statahead: 40 sec
llite.lustre-ffff8e9cc8b7e800.statahead_max=128
128
5000

real	0m17.363s
user	0m0.250s
sys	0m10.549s
statx -l 5000 files with statahead: 17 sec
statahead total: 108
statahead wrong: 2
agl total: 105
list_total: 29
fname_total: 74
hit_total: 11818
miss_total: 1614
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 41 seconds
llite.lustre-ffff8e9cc8b7e800.statahead_stats=
statahead total: 108
statahead wrong: 2
agl total: 105
list_total: 29
fname_total: 74
hit_total: 11818
miss_total: 1614
mdc.lustre-MDT0000-mdc-ffff8e9cc8b7e800.batch_stats=
snapshot_time:            1760129505.136803639 secs.nsecs
start_time:               1760129352.790843403 secs.nsecs
elapsed_time:             152.345960236 secs.nsecs
subreqs per batch   batches   % cum %
1:		        78  45  45
2:		         3   1  47
4:		         5   2  50
8:		         2   1  51
16:		         0   0  51
32:		        20  11  63
64:		        62  36 100
mdc.lustre-MDT0001-mdc-ffff8e9cc8b7e800.batch_stats=
snapshot_time:            1760129505.136845974 secs.nsecs
start_time:               1760129352.790944199 secs.nsecs
elapsed_time:             152.345901775 secs.nsecs
subreqs per batch   batches   % cum %
1:		        64  40  40
2:		         5   3  43
4:		         3   1  45
8:		         3   1  47
16:		         0   0  47
32:		        21  13  61
64:		        61  38 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536