== sanity test 123ab: verify statahead work by using statx ========================================================== 19:53:05 (1755042785)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9e28d02f2000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9e28d02f2000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.68 seconds: 59.69 ops/second
llite.lustre-ffff9e28d02f2000.statahead_max=0
100

real	0m1.449s
user	0m0.007s
sys	0m0.293s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9e28d02f2000.statahead_max=128
128
100

real	0m0.444s
user	0m0.006s
sys	0m0.154s
statx -l 100 files with statahead: 0 sec
statahead total: 57
statahead wrong: 2
agl total: 56
list_total: 21
fname_total: 36
hit_total: 4798
miss_total: 711
total: 900 open/close in 9.13 seconds: 98.61 ops/second
llite.lustre-ffff9e28d02f2000.statahead_max=0
1000

real	0m17.071s
user	0m0.066s
sys	0m2.814s
statx -l 1000 files without statahead: 17 sec
llite.lustre-ffff9e28d02f2000.statahead_max=128
128
1000

real	0m3.222s
user	0m0.045s
sys	0m1.507s
statx -l 1000 files with statahead: 3 sec
statahead total: 58
statahead wrong: 2
agl total: 57
list_total: 22
fname_total: 36
hit_total: 5797
miss_total: 711
 - open/close 996 (time 1755042839.46 total 10.01 last 99.51)
total: 1000 open/close in 10.05 seconds: 99.54 ops/second
llite.lustre-ffff9e28d02f2000.statahead_max=0
2000

real	0m26.127s
user	0m0.164s
sys	0m5.373s
statx -l 2000 files without statahead: 26 sec
llite.lustre-ffff9e28d02f2000.statahead_max=128
128
2000

real	0m5.632s
user	0m0.075s
sys	0m3.066s
statx -l 2000 files with statahead: 6 sec
statahead total: 59
statahead wrong: 2
agl total: 58
list_total: 23
fname_total: 36
hit_total: 7796
miss_total: 711
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 16 seconds
llite.lustre-ffff9e28d02f2000.statahead_stats=
statahead total: 59
statahead wrong: 2
agl total: 58
list_total: 23
fname_total: 36
hit_total: 7796
miss_total: 711
mdc.lustre-MDT0000-mdc-ffff9e28d02f2000.batch_stats=
snapshot_time:            1755042893.071826206 secs.nsecs
start_time:               1755042787.742594474 secs.nsecs
elapsed_time:             105.329231732 secs.nsecs
subreqs per batch   batches   % cum %
1:		        34  39  39
2:		         3   3  43
4:		         5   5  48
8:		         3   3  52
16:		         1   1  53
32:		        10  11  65
64:		        30  34 100
mdc.lustre-MDT0001-mdc-ffff9e28d02f2000.batch_stats=
snapshot_time:            1755042893.071889390 secs.nsecs
start_time:               1755042787.742652680 secs.nsecs
elapsed_time:             105.329236710 secs.nsecs
subreqs per batch   batches   % cum %
1:		        28  35  35
2:		         0   0  35
4:		         6   7  43
8:		         4   5  48
16:		         1   1  49
32:		        13  16  65
64:		        27  34 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536