== sanity test 123aa: verify statahead work ============== 19:50:46 (1755042646)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9e28d02f2000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9e28d02f2000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.51 seconds: 66.28 ops/second
llite.lustre-ffff9e28d02f2000.statahead_max=0
101

real	0m1.481s
user	0m0.005s
sys	0m0.291s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9e28d02f2000.statahead_max=128
128
101

real	0m0.516s
user	0m0.002s
sys	0m0.174s
ls -l 100 files with statahead: 1 sec
statahead total: 54
statahead wrong: 2
agl total: 53
list_total: 18
fname_total: 36
hit_total: 701
miss_total: 709
total: 900 open/close in 8.21 seconds: 109.57 ops/second
llite.lustre-ffff9e28d02f2000.statahead_max=0
1001

real	0m15.367s
user	0m0.028s
sys	0m2.829s
ls -l 1000 files without statahead: 16 sec
llite.lustre-ffff9e28d02f2000.statahead_max=128
128
1001

real	0m3.093s
user	0m0.022s
sys	0m1.817s
ls -l 1000 files with statahead: 3 sec
statahead total: 55
statahead wrong: 2
agl total: 54
list_total: 19
fname_total: 36
hit_total: 1700
miss_total: 710
 - open/close 981 (time 1755042697.93 total 10.00 last 98.05)
total: 2000 open/close in 18.34 seconds: 109.06 ops/second
llite.lustre-ffff9e28d02f2000.statahead_max=0
3001

real	0m34.352s
user	0m0.096s
sys	0m8.577s
ls -l 3000 files without statahead: 34 sec
llite.lustre-ffff9e28d02f2000.statahead_max=128
128
3001

real	0m8.943s
user	0m0.073s
sys	0m5.670s
ls -l 3000 files with statahead: 9 sec
statahead total: 56
statahead wrong: 2
agl total: 55
list_total: 20
fname_total: 36
hit_total: 4699
miss_total: 711
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 27 seconds
llite.lustre-ffff9e28d02f2000.statahead_stats=
statahead total: 56
statahead wrong: 2
agl total: 55
list_total: 20
fname_total: 36
hit_total: 4699
miss_total: 711
mdc.lustre-MDT0000-mdc-ffff9e28d02f2000.batch_stats=
snapshot_time:            1755042783.411028135 secs.nsecs
start_time:               1755042648.672918177 secs.nsecs
elapsed_time:             134.738109958 secs.nsecs
subreqs per batch   batches   % cum %
1:		        24  26  26
2:		         2   2  28
4:		         5   5  34
8:		         4   4  38
16:		         1   1  40
32:		        31  34  74
64:		        23  25 100
mdc.lustre-MDT0001-mdc-ffff9e28d02f2000.batch_stats=
snapshot_time:            1755042783.411102370 secs.nsecs
start_time:               1755042648.673001012 secs.nsecs
elapsed_time:             134.738101358 secs.nsecs
subreqs per batch   batches   % cum %
1:		        28  27  27
2:		         7   6  34
4:		         2   1  36
8:		         4   3  40
16:		         4   3  44
32:		         4   3  48
64:		        52  51 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536