== sanity test 123ab: verify statahead work by using statx ========================================================== 21:39:38 (1763347178)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff88c0c2dd5800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88c0c2dd5800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.51 seconds: 39.84 ops/second
llite.lustre-ffff88c0c2dd5800.statahead_max=0
100

real	0m2.268s
user	0m0.011s
sys	0m0.301s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff88c0c2dd5800.statahead_max=128
128
100

real	0m0.719s
user	0m0.008s
sys	0m0.192s
statx -l 100 files with statahead: 1 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 27
fname_total: 94
hit_total: 1739
miss_total: 1553
 - open/close 686 (time 1763347202.93 total 10.01 last 68.54)
total: 900 open/close in 12.88 seconds: 69.87 ops/second
llite.lustre-ffff88c0c2dd5800.statahead_max=0
1000

real	0m20.444s
user	0m0.092s
sys	0m2.911s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff88c0c2dd5800.statahead_max=128
128
1000

real	0m3.669s
user	0m0.040s
sys	0m1.353s
statx -l 1000 files with statahead: 3 sec
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 28
fname_total: 94
hit_total: 2738
miss_total: 1553
 - open/close 693 (time 1763347248.11 total 10.02 last 69.15)
total: 1000 open/close in 14.49 seconds: 69.03 ops/second
llite.lustre-ffff88c0c2dd5800.statahead_max=0
2000

real	0m39.482s
user	0m0.165s
sys	0m5.731s
statx -l 2000 files without statahead: 39 sec
llite.lustre-ffff88c0c2dd5800.statahead_max=128
128
2000

real	0m7.413s
user	0m0.094s
sys	0m2.650s
statx -l 2000 files with statahead: 7 sec
statahead total: 123
statahead wrong: 2
agl total: 120
list_total: 29
fname_total: 94
hit_total: 4737
miss_total: 1553
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 33 seconds
llite.lustre-ffff88c0c2dd5800.statahead_stats=
statahead total: 123
statahead wrong: 2
agl total: 120
list_total: 29
fname_total: 94
hit_total: 4737
miss_total: 1553
mdc.lustre-MDT0000-mdc-ffff88c0c2dd5800.batch_stats=
snapshot_time:            1763347340.937932663 secs.nsecs
start_time:               1763347181.814623362 secs.nsecs
elapsed_time:             159.123309301 secs.nsecs
subreqs per batch   batches   % cum %
1:		        19  26  26
2:		         1   1  28
4:		         5   7  35
8:		         4   5  40
16:		         1   1  42
32:		        13  18  60
64:		        28  39 100
mdc.lustre-MDT0001-mdc-ffff88c0c2dd5800.batch_stats=
snapshot_time:            1763347340.937996286 secs.nsecs
start_time:               1763347181.814729348 secs.nsecs
elapsed_time:             159.123266938 secs.nsecs
subreqs per batch   batches   % cum %
1:		        23  31  31
2:		         1   1  32
4:		         4   5  37
8:		         2   2  40
16:		         4   5  45
32:		        10  13  59
64:		        30  40 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536