== sanity test 123ab: verify statahead work by using statx ========================================================== 14:24:58 (1763407498)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff952207eb8000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff952207eb8000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.38 seconds: 42.05 ops/second
llite.lustre-ffff952207eb8000.statahead_max=0
100

real	0m1.908s
user	0m0.013s
sys	0m0.269s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff952207eb8000.statahead_max=128
128
100

real	0m0.771s
user	0m0.006s
sys	0m0.183s
statx -l 100 files with statahead: 1 sec
statahead total: 106
statahead wrong: 2
agl total: 103
list_total: 27
fname_total: 76
hit_total: 1373
miss_total: 1508
 - open/close 826 (time 1763407524.01 total 10.00 last 82.59)
total: 900 open/close in 10.85 seconds: 82.96 ops/second
llite.lustre-ffff952207eb8000.statahead_max=0
1000

real	0m19.145s
user	0m0.089s
sys	0m2.614s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff952207eb8000.statahead_max=128
128
1000

real	0m4.087s
user	0m0.054s
sys	0m1.334s
statx -l 1000 files with statahead: 4 sec
statahead total: 107
statahead wrong: 2
agl total: 104
list_total: 28
fname_total: 76
hit_total: 2372
miss_total: 1508
 - open/close 901 (time 1763407566.54 total 10.00 last 90.08)
total: 1000 open/close in 11.39 seconds: 87.82 ops/second
llite.lustre-ffff952207eb8000.statahead_max=0
2000

real	0m41.832s
user	0m0.153s
sys	0m5.354s
statx -l 2000 files without statahead: 42 sec
llite.lustre-ffff952207eb8000.statahead_max=128
128
2000

real	0m12.077s
user	0m0.093s
sys	0m2.565s
statx -l 2000 files with statahead: 12 sec
statahead total: 108
statahead wrong: 2
agl total: 105
list_total: 29
fname_total: 76
hit_total: 4371
miss_total: 1508
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 35 seconds
llite.lustre-ffff952207eb8000.statahead_stats=
statahead total: 108
statahead wrong: 2
agl total: 105
list_total: 29
fname_total: 76
hit_total: 4371
miss_total: 1508
mdc.lustre-MDT0000-mdc-ffff952207eb8000.batch_stats=
snapshot_time:            1763407670.309901647 secs.nsecs
start_time:               1763407502.700936800 secs.nsecs
elapsed_time:             167.608964847 secs.nsecs
subreqs per batch   batches   % cum %
1:		         4   7   7
2:		         1   1   8
4:		         3   5  14
8:		         6  10  24
16:		         0   0  24
32:		        15  26  50
64:		        28  49 100
mdc.lustre-MDT0001-mdc-ffff952207eb8000.batch_stats=
snapshot_time:            1763407670.309969938 secs.nsecs
start_time:               1763407502.701017473 secs.nsecs
elapsed_time:             167.608952465 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   8   8
2:		         4   6  15
4:		         2   3  18
8:		         3   5  23
16:		         2   3  27
32:		        14  23  50
64:		        29  49 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536