== sanity test 123ab: verify statahead work by using statx ========================================================== 20:10:36 (1753747836)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8a72878e9000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a72878e9000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.38 seconds: 72.71 ops/second
llite.lustre-ffff8a72878e9000.statahead_max=0
100

real	0m1.175s
user	0m0.011s
sys	0m0.272s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8a72878e9000.statahead_max=128
128
100

real	0m0.386s
user	0m0.009s
sys	0m0.155s
statx -l 100 files with statahead: 1 sec
statahead total: 119
statahead wrong: 2
agl total: 116
list_total: 28
fname_total: 91
hit_total: 5509
miss_total: 1573
total: 900 open/close in 4.15 seconds: 217.01 ops/second
llite.lustre-ffff8a72878e9000.statahead_max=0
1000

real	0m10.336s
user	0m0.089s
sys	0m2.546s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff8a72878e9000.statahead_max=128
128
1000

real	0m2.689s
user	0m0.040s
sys	0m1.371s
statx -l 1000 files with statahead: 3 sec
statahead total: 120
statahead wrong: 2
agl total: 117
list_total: 29
fname_total: 91
hit_total: 6508
miss_total: 1573
 - open/close 1990 (time 1753747875.27 total 10.00 last 198.97)
total: 3000 open/close in 14.99 seconds: 200.10 ops/second
llite.lustre-ffff8a72878e9000.statahead_max=0
4000

real	0m37.262s
user	0m0.303s
sys	0m9.928s
statx -l 4000 files without statahead: 37 sec
llite.lustre-ffff8a72878e9000.statahead_max=128
128
4000

real	0m11.413s
user	0m0.166s
sys	0m6.107s
statx -l 4000 files with statahead: 12 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 30
fname_total: 91
hit_total: 10507
miss_total: 1573
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 33 seconds
llite.lustre-ffff8a72878e9000.statahead_stats=
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 30
fname_total: 91
hit_total: 10507
miss_total: 1573
mdc.lustre-MDT0000-mdc-ffff8a72878e9000.batch_stats=
snapshot_time:            1753747969.603514046 secs.nsecs
start_time:               1753747838.392646388 secs.nsecs
elapsed_time:             131.210867658 secs.nsecs
subreqs per batch   batches   % cum %
1:		        45  35  35
2:		         2   1  37
4:		         1   0  38
8:		         7   5  43
16:		         1   0  44
32:		        16  12  57
64:		        54  42 100
mdc.lustre-MDT0001-mdc-ffff8a72878e9000.batch_stats=
snapshot_time:            1753747969.603582144 secs.nsecs
start_time:               1753747838.392735826 secs.nsecs
elapsed_time:             131.210846318 secs.nsecs
subreqs per batch   batches   % cum %
1:		        54  38  38
2:		         8   5  44
4:		         5   3  48
8:		         2   1  49
16:		         1   0  50
32:		        19  13  64
64:		        50  35 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536