== sanity test 123ab: verify statahead work by using statx ========================================================== 06:38:47 (1762169927)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff998690c3c000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff998690c3c000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.61 seconds: 62.25 ops/second
llite.lustre-ffff998690c3c000.statahead_max=0
100

real	0m1.410s
user	0m0.008s
sys	0m0.318s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff998690c3c000.statahead_max=128
128
100

real	0m0.561s
user	0m0.006s
sys	0m0.218s
statx -l 100 files with statahead: 1 sec
statahead total: 78
statahead wrong: 2
agl total: 76
list_total: 25
fname_total: 53
hit_total: 4669
miss_total: 766
total: 900 open/close in 4.93 seconds: 182.71 ops/second
llite.lustre-ffff998690c3c000.statahead_max=0
1000

real	0m11.458s
user	0m0.104s
sys	0m2.686s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff998690c3c000.statahead_max=128
128
1000

real	0m3.469s
user	0m0.048s
sys	0m1.487s
statx -l 1000 files with statahead: 4 sec
statahead total: 79
statahead wrong: 2
agl total: 77
list_total: 26
fname_total: 53
hit_total: 5668
miss_total: 766
 - open/close 1395 (time 1762169969.98 total 10.00 last 139.47)
 - open/close 2778 (time 1762169979.98 total 20.00 last 138.27)
total: 3000 open/close in 21.92 seconds: 136.87 ops/second
llite.lustre-ffff998690c3c000.statahead_max=0
4000

real	0m44.998s
user	0m0.344s
sys	0m10.476s
statx -l 4000 files without statahead: 45 sec
llite.lustre-ffff998690c3c000.statahead_max=128
128
4000

real	0m12.338s
user	0m0.155s
sys	0m6.001s
statx -l 4000 files with statahead: 12 sec
statahead total: 80
statahead wrong: 2
agl total: 78
list_total: 27
fname_total: 53
hit_total: 9667
miss_total: 766
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 36 seconds
llite.lustre-ffff998690c3c000.statahead_stats=
statahead total: 80
statahead wrong: 2
agl total: 78
list_total: 27
fname_total: 53
hit_total: 9667
miss_total: 766
mdc.lustre-MDT0000-mdc-ffff998690c3c000.batch_stats=
snapshot_time:            1762170083.772445202 secs.nsecs
start_time:               1762169929.395913441 secs.nsecs
elapsed_time:             154.376531761 secs.nsecs
subreqs per batch   batches   % cum %
1:		        56  41  41
2:		         2   1  43
4:		         3   2  45
8:		         4   2  48
16:		         0   0  48
32:		        19  14  62
64:		        50  37 100
mdc.lustre-MDT0001-mdc-ffff998690c3c000.batch_stats=
snapshot_time:            1762170083.772520362 secs.nsecs
start_time:               1762169929.396090947 secs.nsecs
elapsed_time:             154.376429415 secs.nsecs
subreqs per batch   batches   % cum %
1:		        43  35  35
2:		         2   1  37
4:		         6   4  42
8:		         1   0  42
16:		         0   0  42
32:		        20  16  59
64:		        49  40 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536