== sanity test 123ab: verify statahead work by using statx ========================================================== 06:28:51 (1777026531)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff99da4930c800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99da4930c800.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.44 seconds: 69.61 ops/second
llite.lustre-ffff99da4930c800.statahead_max=0
100

real	0m1.224s
user	0m0.009s
sys	0m0.311s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff99da4930c800.statahead_max=128
128
100

real	0m0.512s
user	0m0.005s
sys	0m0.190s
statx -l 100 files with statahead: 1 sec
statahead total: 79
statahead wrong: 1
agl total: 77
list_total: 23
fname_total: 56
hit_total: 5913
miss_total: 212
total: 900 open/close in 5.10 seconds: 176.32 ops/second
llite.lustre-ffff99da4930c800.statahead_max=0
1000

real	0m11.885s
user	0m0.075s
sys	0m2.686s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff99da4930c800.statahead_max=128
128
1000

real	0m2.826s
user	0m0.033s
sys	0m1.604s
statx -l 1000 files with statahead: 3 sec
statahead total: 80
statahead wrong: 1
agl total: 78
list_total: 24
fname_total: 56
hit_total: 6912
miss_total: 212
 - open/close 1507 (time 1777026574.20 total 10.00 last 150.65)
total: 3000 open/close in 18.40 seconds: 163.07 ops/second
llite.lustre-ffff99da4930c800.statahead_max=0
4000

real	0m41.397s
user	0m0.312s
sys	0m10.461s
statx -l 4000 files without statahead: 42 sec
llite.lustre-ffff99da4930c800.statahead_max=128
128
4000

real	0m11.083s
user	0m0.173s
sys	0m6.666s
statx -l 4000 files with statahead: 11 sec
statahead total: 81
statahead wrong: 1
agl total: 79
list_total: 25
fname_total: 56
hit_total: 10911
miss_total: 212
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 31 seconds
llite.lustre-ffff99da4930c800.statahead_stats=
statahead total: 81
statahead wrong: 1
agl total: 79
list_total: 25
fname_total: 56
hit_total: 10911
miss_total: 212
mdc.lustre-MDT0000-mdc-ffff99da4930c800.batch_stats=
snapshot_time:            1777026673.454437764 secs.nsecs
start_time:               1777026533.801380265 secs.nsecs
elapsed_time:             139.653057499 secs.nsecs
subreqs per batch   batches   % cum %
1:		        68  44  44
2:		         5   3  48
4:		         7   4  52
8:		         3   1  54
16:		         0   0  54
32:		        23  15  69
64:		        46  30 100
mdc.lustre-MDT0001-mdc-ffff99da4930c800.batch_stats=
snapshot_time:            1777026673.454523690 secs.nsecs
start_time:               1777026533.801607778 secs.nsecs
elapsed_time:             139.652915912 secs.nsecs
subreqs per batch   batches   % cum %
1:		        71  45  45
2:		         5   3  49
4:		         6   3  52
8:		         3   1  54
16:		         1   0  55
32:		        21  13  69
64:		        48  30 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536