== sanity test 123ab: verify statahead work by using statx ========================================================== 07:03:39 (1769083419)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9bb283bb9800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9bb283bb9800.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.15 seconds: 87.28 ops/second
llite.lustre-ffff9bb283bb9800.statahead_max=0
100

real	0m1.072s
user	0m0.010s
sys	0m0.260s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9bb283bb9800.statahead_max=128
128
100

real	0m0.334s
user	0m0.003s
sys	0m0.162s
statx -l 100 files with statahead: 1 sec
statahead total: 89
statahead wrong: 2
agl total: 87
list_total: 27
fname_total: 62
hit_total: 4947
miss_total: 888
total: 900 open/close in 4.94 seconds: 182.25 ops/second
llite.lustre-ffff9bb283bb9800.statahead_max=0
1000

real	0m10.784s
user	0m0.080s
sys	0m2.469s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff9bb283bb9800.statahead_max=128
128
1000

real	0m2.801s
user	0m0.039s
sys	0m1.329s
statx -l 1000 files with statahead: 3 sec
statahead total: 90
statahead wrong: 2
agl total: 88
list_total: 28
fname_total: 62
hit_total: 5946
miss_total: 888
 - open/close 2112 (time 1769083459.35 total 10.00 last 211.20)
total: 3000 open/close in 14.55 seconds: 206.24 ops/second
llite.lustre-ffff9bb283bb9800.statahead_max=0
4000

real	0m35.455s
user	0m0.323s
sys	0m9.383s
statx -l 4000 files without statahead: 35 sec
llite.lustre-ffff9bb283bb9800.statahead_max=128
128
4000

real	0m10.513s
user	0m0.173s
sys	0m5.317s
statx -l 4000 files with statahead: 10 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 29
fname_total: 62
hit_total: 9945
miss_total: 888
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 30 seconds
llite.lustre-ffff9bb283bb9800.statahead_stats=
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 29
fname_total: 62
hit_total: 9945
miss_total: 888
mdc.lustre-MDT0000-mdc-ffff9bb283bb9800.batch_stats=
snapshot_time:            1769083547.416343100 secs.nsecs
start_time:               1769083421.761855444 secs.nsecs
elapsed_time:             125.654487656 secs.nsecs
subreqs per batch   batches   % cum %
1:		        46  34  34
2:		         7   5  40
4:		         1   0  40
8:		         5   3  44
16:		         3   2  46
32:		        15  11  58
64:		        55  41 100
mdc.lustre-MDT0001-mdc-ffff9bb283bb9800.batch_stats=
snapshot_time:            1769083547.416390058 secs.nsecs
start_time:               1769083421.761932894 secs.nsecs
elapsed_time:             125.654457164 secs.nsecs
subreqs per batch   batches   % cum %
1:		        39  33  33
2:		         3   2  36
4:		         3   2  38
8:		         2   1  40
16:		         1   0  41
32:		        28  24  65
64:		        40  34 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536