== sanity test 123ab: verify statahead work by using statx ========================================================== 13:14:51 (1772475291)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff93621026d800.batch_stats=0
total: 100 open/close in 1.28 seconds: 78.14 ops/second
llite.lustre-ffff93621026d800.statahead_max=0
100

real	0m1.309s
user	0m0.009s
sys	0m0.300s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff93621026d800.statahead_max=128
128
100

real	0m0.379s
user	0m0.004s
sys	0m0.202s
statx -l 100 files with statahead: 0 sec
statahead total: 121
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 85
hit_total: 4784
miss_total: 1500
total: 900 open/close in 5.77 seconds: 156.07 ops/second
llite.lustre-ffff93621026d800.statahead_max=0
1000

real	0m11.969s
user	0m0.105s
sys	0m2.804s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff93621026d800.statahead_max=128
128
1000

real	0m2.871s
user	0m0.038s
sys	0m1.953s
statx -l 1000 files with statahead: 3 sec
statahead total: 122
statahead wrong: 2
agl total: 118
list_total: 28
fname_total: 85
hit_total: 5783
miss_total: 1500
 - open/close 1454 (time 1772475334.67 total 10.01 last 145.20)
 - open/close 2899 (time 1772475344.68 total 20.02 last 144.46)
total: 3000 open/close in 20.93 seconds: 143.32 ops/second
llite.lustre-ffff93621026d800.statahead_max=0
4000

real	0m47.423s
user	0m0.340s
sys	0m10.852s
statx -l 4000 files without statahead: 47 sec
llite.lustre-ffff93621026d800.statahead_max=128
128
4000

real	0m12.514s
user	0m0.153s
sys	0m6.782s
statx -l 4000 files with statahead: 12 sec
statahead total: 123
statahead wrong: 2
agl total: 119
list_total: 29
fname_total: 85
hit_total: 9782
miss_total: 1500
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff93621026d800.statahead_stats=
statahead total: 123
statahead wrong: 2
agl total: 119
list_total: 29
fname_total: 85
hit_total: 9782
miss_total: 1500
mdc.lustre-MDT0000-mdc-ffff93621026d800.batch_stats=
snapshot_time:            1772475449.033224563 secs.nsecs
start_time:               1772475293.551265193 secs.nsecs
elapsed_time:             155.481959370 secs.nsecs
subreqs per batch   batches   % cum %
1:		       133  43  43
2:		        34  11  54
4:		        17   5  60
8:		        36  11  71
16:		        14   4  76
32:		         3   0  77
64:		        69  22 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536