== sanity test 123ab: verify statahead work by using statx ========================================================== 22:47:01 (1775875621)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8a9108e6d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a9108e6d000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.01 seconds: 99.08 ops/second
llite.lustre-ffff8a9108e6d000.statahead_max=0
100

real	0m1.084s
user	0m0.012s
sys	0m0.300s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8a9108e6d000.statahead_max=128
128
100

real	0m0.413s
user	0m0.003s
sys	0m0.191s
statx -l 100 files with statahead: 0 sec
statahead total: 104
statahead wrong: 2
agl total: 102
list_total: 27
fname_total: 77
hit_total: 6277
miss_total: 1270
total: 900 open/close in 5.20 seconds: 172.97 ops/second
llite.lustre-ffff8a9108e6d000.statahead_max=0
1000

real	0m12.909s
user	0m0.070s
sys	0m2.824s
statx -l 1000 files without statahead: 13 sec
llite.lustre-ffff8a9108e6d000.statahead_max=128
128
1000

real	0m3.311s
user	0m0.052s
sys	0m1.611s
statx -l 1000 files with statahead: 3 sec
statahead total: 105
statahead wrong: 2
agl total: 103
list_total: 28
fname_total: 77
hit_total: 7276
miss_total: 1270
 - open/close 1935 (time 1775875664.37 total 10.00 last 193.47)
total: 2000 open/close in 10.34 seconds: 193.43 ops/second
llite.lustre-ffff8a9108e6d000.statahead_max=0
3000

real	0m27.176s
user	0m0.260s
sys	0m8.269s
statx -l 3000 files without statahead: 28 sec
llite.lustre-ffff8a9108e6d000.statahead_max=128
128
3000

real	0m8.788s
user	0m0.122s
sys	0m5.141s
statx -l 3000 files with statahead: 9 sec
statahead total: 106
statahead wrong: 2
agl total: 104
list_total: 29
fname_total: 77
hit_total: 10275
miss_total: 1270
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 28 seconds
llite.lustre-ffff8a9108e6d000.statahead_stats=
statahead total: 106
statahead wrong: 2
agl total: 104
list_total: 29
fname_total: 77
hit_total: 10275
miss_total: 1270
mdc.lustre-MDT0000-mdc-ffff8a9108e6d000.batch_stats=
snapshot_time:            1775875736.734522299 secs.nsecs
start_time:               1775875623.397616756 secs.nsecs
elapsed_time:             113.336905543 secs.nsecs
subreqs per batch   batches   % cum %
1:		        49  38  38
2:		        11   8  47
4:		         6   4  52
8:		         2   1  53
16:		         4   3  57
32:		        12   9  66
64:		        42  33 100
mdc.lustre-MDT0001-mdc-ffff8a9108e6d000.batch_stats=
snapshot_time:            1775875736.734584167 secs.nsecs
start_time:               1775875623.398091206 secs.nsecs
elapsed_time:             113.336492961 secs.nsecs
subreqs per batch   batches   % cum %
1:		        57  45  45
2:		         8   6  51
4:		         4   3  54
8:		         3   2  57
16:		         0   0  57
32:		        25  19  76
64:		        29  23 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536