== sanity test 123ab: verify statahead work by using statx ========================================================== 17:23:57 (1768256637)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9a24834f8000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9a24834f8000.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.45 seconds: 40.75 ops/second
llite.lustre-ffff9a24834f8000.statahead_max=0
100

real	0m2.064s
user	0m0.013s
sys	0m0.318s
statx -l 100 files without statahead: 3 sec
llite.lustre-ffff9a24834f8000.statahead_max=128
128
100

real	0m0.803s
user	0m0.010s
sys	0m0.165s
statx -l 100 files with statahead: 1 sec
statahead total: 97
statahead wrong: 2
agl total: 94
list_total: 29
fname_total: 63
hit_total: 3676
miss_total: 1074
 - open/close 859 (time 1768256661.94 total 10.00 last 85.89)
total: 900 open/close in 10.57 seconds: 85.11 ops/second
llite.lustre-ffff9a24834f8000.statahead_max=0
1000

real	0m17.377s
user	0m0.071s
sys	0m2.442s
statx -l 1000 files without statahead: 18 sec
llite.lustre-ffff9a24834f8000.statahead_max=128
128
1000

real	0m5.274s
user	0m0.078s
sys	0m1.338s
statx -l 1000 files with statahead: 6 sec
statahead total: 98
statahead wrong: 2
agl total: 95
list_total: 30
fname_total: 63
hit_total: 4675
miss_total: 1074
 - open/close 980 (time 1768256704.63 total 10.00 last 97.98)
total: 1000 open/close in 10.41 seconds: 96.06 ops/second
llite.lustre-ffff9a24834f8000.statahead_max=0
2000

real	1m3.206s
user	0m0.160s
sys	0m5.316s
statx -l 2000 files without statahead: 63 sec
llite.lustre-ffff9a24834f8000.statahead_max=128
128
2000

real	0m12.004s
user	0m0.138s
sys	0m2.298s
statx -l 2000 files with statahead: 12 sec
statahead total: 99
statahead wrong: 2
agl total: 96
list_total: 31
fname_total: 63
hit_total: 6674
miss_total: 1074
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 44 seconds
llite.lustre-ffff9a24834f8000.statahead_stats=
statahead total: 99
statahead wrong: 2
agl total: 96
list_total: 31
fname_total: 63
hit_total: 6674
miss_total: 1074
mdc.lustre-MDT0000-mdc-ffff9a24834f8000.batch_stats=
snapshot_time:            1768256843.306557893 secs.nsecs
start_time:               1768256640.956291308 secs.nsecs
elapsed_time:             202.350266585 secs.nsecs
subreqs per batch   batches   % cum %
1:		         9  14  14
2:		         4   6  20
4:		         5   7  28
8:		         2   3  31
16:		         2   3  34
32:		        11  17  51
64:		        31  48 100
mdc.lustre-MDT0001-mdc-ffff9a24834f8000.batch_stats=
snapshot_time:            1768256843.306628955 secs.nsecs
start_time:               1768256640.956537908 secs.nsecs
elapsed_time:             202.350091047 secs.nsecs
subreqs per batch   batches   % cum %
1:		        17  26  26
2:		         1   1  27
4:		         4   6  33
8:		         2   3  36
16:		         0   0  36
32:		        23  35  72
64:		        18  27 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536