== sanity test 123ab: verify statahead work by using statx ========================================================== 21:23:19 (1773105799)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8d3e99572000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8d3e99572000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.15 seconds: 86.58 ops/second
llite.lustre-ffff8d3e99572000.statahead_max=0
100

real	0m1.311s
user	0m0.008s
sys	0m0.329s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8d3e99572000.statahead_max=128
128
100

real	0m0.495s
user	0m0.008s
sys	0m0.233s
statx -l 100 files with statahead: 0 sec
statahead total: 81
statahead wrong: 1
agl total: 79
list_total: 25
fname_total: 42
hit_total: 12099
miss_total: 215
total: 900 open/close in 4.35 seconds: 206.99 ops/second
llite.lustre-ffff8d3e99572000.statahead_max=0
1000

real	0m11.297s
user	0m0.076s
sys	0m3.188s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff8d3e99572000.statahead_max=128
128
1000

real	0m4.136s
user	0m0.053s
sys	0m2.095s
statx -l 1000 files with statahead: 4 sec
statahead total: 82
statahead wrong: 1
agl total: 80
list_total: 26
fname_total: 42
hit_total: 13098
miss_total: 215
 - open/close 2949 (time 1773105842.38 total 10.00 last 294.88)
total: 3000 open/close in 10.27 seconds: 292.03 ops/second
llite.lustre-ffff8d3e99572000.statahead_max=0
4000

real	1m0.973s
user	0m0.328s
sys	0m12.788s
statx -l 4000 files without statahead: 61 sec
llite.lustre-ffff8d3e99572000.statahead_max=128
128
4000

real	0m20.050s
user	0m0.194s
sys	0m7.194s
statx -l 4000 files with statahead: 20 sec
statahead total: 83
statahead wrong: 1
agl total: 81
list_total: 27
fname_total: 42
hit_total: 17097
miss_total: 215
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 56 seconds
llite.lustre-ffff8d3e99572000.statahead_stats=
statahead total: 83
statahead wrong: 1
agl total: 81
list_total: 27
fname_total: 42
hit_total: 17097
miss_total: 215
mdc.lustre-MDT0000-mdc-ffff8d3e99572000.batch_stats=
snapshot_time:            1773105993.827663129 secs.nsecs
start_time:               1773105801.689642189 secs.nsecs
elapsed_time:             192.138020940 secs.nsecs
subreqs per batch   batches   % cum %
1:		        48  35  35
2:		         8   5  41
4:		         1   0  42
8:		         4   2  45
16:		         4   2  48
32:		        19  14  62
64:		        50  37 100
mdc.lustre-MDT0001-mdc-ffff8d3e99572000.batch_stats=
snapshot_time:            1773105993.827709397 secs.nsecs
start_time:               1773105801.689726016 secs.nsecs
elapsed_time:             192.137983381 secs.nsecs
subreqs per batch   batches   % cum %
1:		        39  31  31
2:		         4   3  34
4:		         8   6  41
8:		         2   1  43
16:		         1   0  43
32:		        27  21  65
64:		        42  34 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536