== sanity test 123ab: verify statahead work by using statx ========================================================== 02:55:02 (1769759702)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9d16108f8000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d16108f8000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.21 seconds: 82.75 ops/second
llite.lustre-ffff9d16108f8000.statahead_max=0
100

real	0m1.246s
user	0m0.011s
sys	0m0.309s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9d16108f8000.statahead_max=128
128
100

real	0m0.399s
user	0m0.011s
sys	0m0.154s
statx -l 100 files with statahead: 0 sec
statahead total: 125
statahead wrong: 2
agl total: 122
list_total: 29
fname_total: 96
hit_total: 5496
miss_total: 1407
total: 900 open/close in 4.89 seconds: 184.21 ops/second
llite.lustre-ffff9d16108f8000.statahead_max=0
1000

real	0m9.270s
user	0m0.110s
sys	0m2.717s
statx -l 1000 files without statahead: 9 sec
llite.lustre-ffff9d16108f8000.statahead_max=128
128
1000

real	0m3.112s
user	0m0.037s
sys	0m1.767s
statx -l 1000 files with statahead: 3 sec
statahead total: 126
statahead wrong: 2
agl total: 123
list_total: 30
fname_total: 96
hit_total: 6495
miss_total: 1407
 - open/close 1943 (time 1769759741.36 total 10.00 last 194.26)
total: 4000 open/close in 17.84 seconds: 224.20 ops/second
llite.lustre-ffff9d16108f8000.statahead_max=0
5000

real	0m50.964s
user	0m0.440s
sys	0m14.268s
statx -l 5000 files without statahead: 51 sec
llite.lustre-ffff9d16108f8000.statahead_max=128
128
5000

real	0m14.963s
user	0m0.175s
sys	0m8.489s
statx -l 5000 files with statahead: 15 sec
statahead total: 127
statahead wrong: 2
agl total: 124
list_total: 31
fname_total: 96
hit_total: 11494
miss_total: 1407
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 44 seconds
llite.lustre-ffff9d16108f8000.statahead_stats=
statahead total: 127
statahead wrong: 2
agl total: 124
list_total: 31
fname_total: 96
hit_total: 11494
miss_total: 1407
mdc.lustre-MDT0000-mdc-ffff9d16108f8000.batch_stats=
snapshot_time:            1769759869.312380780 secs.nsecs
start_time:               1769759704.471932247 secs.nsecs
elapsed_time:             164.840448533 secs.nsecs
subreqs per batch   batches   % cum %
1:		        82  45  45
2:		         8   4  50
4:		         4   2  52
8:		         2   1  53
16:		         2   1  54
32:		        20  11  65
64:		        62  34 100
mdc.lustre-MDT0001-mdc-ffff9d16108f8000.batch_stats=
snapshot_time:            1769759869.312473581 secs.nsecs
start_time:               1769759704.471996351 secs.nsecs
elapsed_time:             164.840477230 secs.nsecs
subreqs per batch   batches   % cum %
1:		        78  42  42
2:		         9   4  47
4:		         7   3  51
8:		         5   2  54
16:		         0   0  54
32:		        26  14  68
64:		        57  31 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536