== sanity test 123ab: verify statahead work by using statx ========================================================== 19:02:06 (1763337726)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8ce287fe8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8ce287fe8800.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.41 seconds: 41.53 ops/second
llite.lustre-ffff8ce287fe8800.statahead_max=0
100

real	0m1.940s
user	0m0.013s
sys	0m0.280s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8ce287fe8800.statahead_max=128
128
100

real	0m0.679s
user	0m0.009s
sys	0m0.142s
statx -l 100 files with statahead: 1 sec
statahead total: 114
statahead wrong: 2
agl total: 111
list_total: 27
fname_total: 72
hit_total: 1784
miss_total: 1461
 - open/close 835 (time 1763337750.78 total 10.01 last 83.43)
total: 900 open/close in 10.88 seconds: 82.69 ops/second
llite.lustre-ffff8ce287fe8800.statahead_max=0
1000

real	0m18.461s
user	0m0.069s
sys	0m2.775s
statx -l 1000 files without statahead: 19 sec
llite.lustre-ffff8ce287fe8800.statahead_max=128
128
1000

real	0m4.207s
user	0m0.049s
sys	0m1.203s
statx -l 1000 files with statahead: 5 sec
statahead total: 115
statahead wrong: 2
agl total: 112
list_total: 28
fname_total: 72
hit_total: 2783
miss_total: 1461
 - open/close 842 (time 1763337793.53 total 10.00 last 84.20)
total: 1000 open/close in 12.13 seconds: 82.44 ops/second
llite.lustre-ffff8ce287fe8800.statahead_max=0
2000

real	0m42.267s
user	0m0.157s
sys	0m5.804s
statx -l 2000 files without statahead: 42 sec
llite.lustre-ffff8ce287fe8800.statahead_max=128
128
2000

real	0m9.438s
user	0m0.122s
sys	0m2.591s
statx -l 2000 files with statahead: 9 sec
statahead total: 116
statahead wrong: 2
agl total: 113
list_total: 29
fname_total: 72
hit_total: 4782
miss_total: 1461
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 32 seconds
llite.lustre-ffff8ce287fe8800.statahead_stats=
statahead total: 116
statahead wrong: 2
agl total: 113
list_total: 29
fname_total: 72
hit_total: 4782
miss_total: 1461
mdc.lustre-MDT0000-mdc-ffff8ce287fe8800.batch_stats=
snapshot_time:            1763337891.380657518 secs.nsecs
start_time:               1763337730.791546661 secs.nsecs
elapsed_time:             160.589110857 secs.nsecs
subreqs per batch   batches   % cum %
1:		         8  14  14
2:		         2   3  17
4:		         1   1  19
8:		         3   5  24
16:		         2   3  28
32:		        14  24  52
64:		        27  47 100
mdc.lustre-MDT0001-mdc-ffff8ce287fe8800.batch_stats=
snapshot_time:            1763337891.380740813 secs.nsecs
start_time:               1763337730.791629803 secs.nsecs
elapsed_time:             160.589111010 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  12  12
2:		         4   6  18
4:		         1   1  20
8:		         3   5  25
16:		         2   3  29
32:		        12  20  50
64:		        29  50 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536