== sanity test 123ab: verify statahead work by using statx ========================================================== 13:09:08 (1772474948)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9aae83ccc000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9aae83ccc000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.79 seconds: 125.89 ops/second
llite.lustre-ffff9aae83ccc000.statahead_max=0
100

real	0m0.666s
user	0m0.010s
sys	0m0.239s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9aae83ccc000.statahead_max=128
128
100

real	0m0.406s
user	0m0.008s
sys	0m0.181s
statx -l 100 files with statahead: 0 sec
statahead total: 95
statahead wrong: 2
agl total: 92
list_total: 27
fname_total: 68
hit_total: 12394
miss_total: 1261
total: 900 open/close in 1.76 seconds: 511.43 ops/second
llite.lustre-ffff9aae83ccc000.statahead_max=0
1000

real	0m5.857s
user	0m0.052s
sys	0m2.160s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff9aae83ccc000.statahead_max=128
128
1000

real	0m2.922s
user	0m0.025s
sys	0m1.902s
statx -l 1000 files with statahead: 3 sec
statahead total: 96
statahead wrong: 2
agl total: 93
list_total: 28
fname_total: 68
hit_total: 13393
miss_total: 1261
 - open/close 4777 (time 1772474977.62 total 10.00 last 477.64)
total: 9000 open/close in 18.62 seconds: 483.39 ops/second
llite.lustre-ffff9aae83ccc000.statahead_max=0
10000

real	0m56.195s
user	0m0.488s
sys	0m20.917s
statx -l 10000 files without statahead: 56 sec
llite.lustre-ffff9aae83ccc000.statahead_max=128
128
10000

real	0m26.190s
user	0m0.229s
sys	0m16.329s
statx -l 10000 files with statahead: 26 sec
statahead total: 97
statahead wrong: 2
agl total: 94
list_total: 29
fname_total: 68
hit_total: 23392
miss_total: 1261
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 59 seconds
llite.lustre-ffff9aae83ccc000.statahead_stats=
statahead total: 97
statahead wrong: 2
agl total: 94
list_total: 29
fname_total: 68
hit_total: 23392
miss_total: 1261
mdc.lustre-MDT0000-mdc-ffff9aae83ccc000.batch_stats=
snapshot_time:            1772475141.270728595 secs.nsecs
start_time:               1772474950.089008069 secs.nsecs
elapsed_time:             191.181720526 secs.nsecs
subreqs per batch   batches   % cum %
1:		       180  49  49
2:		        17   4  54
4:		         9   2  57
8:		         4   1  58
16:		         1   0  58
32:		        47  13  71
64:		       103  28 100
mdc.lustre-MDT0001-mdc-ffff9aae83ccc000.batch_stats=
snapshot_time:            1772475141.270782804 secs.nsecs
start_time:               1772474950.089072997 secs.nsecs
elapsed_time:             191.181709807 secs.nsecs
subreqs per batch   batches   % cum %
1:		       178  50  50
2:		        15   4  54
4:		         5   1  56
8:		         3   0  56
16:		         2   0  57
32:		        39  11  68
64:		       111  31 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536