== sanity test 123ab: verify statahead work by using statx ========================================================== 15:16:25 (1773688585)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff987d43bc1800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff987d43bc1800.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.73 seconds: 137.30 ops/second
llite.lustre-ffff987d43bc1800.statahead_max=0
100

real	0m0.607s
user	0m0.004s
sys	0m0.237s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff987d43bc1800.statahead_max=128
128
100

real	0m0.362s
user	0m0.007s
sys	0m0.214s
statx -l 100 files with statahead: 1 sec
statahead total: 78
statahead wrong: 1
agl total: 76
list_total: 25
fname_total: 48
hit_total: 11878
miss_total: 229
total: 900 open/close in 2.03 seconds: 442.71 ops/second
llite.lustre-ffff987d43bc1800.statahead_max=0
1000

real	0m5.889s
user	0m0.071s
sys	0m2.195s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff987d43bc1800.statahead_max=128
128
1000

real	0m2.725s
user	0m0.025s
sys	0m1.528s
statx -l 1000 files with statahead: 2 sec
statahead total: 79
statahead wrong: 1
agl total: 77
list_total: 26
fname_total: 48
hit_total: 12877
miss_total: 229
 - open/close 4798 (time 1773688614.16 total 10.00 last 479.77)
 - open/close 8975 (time 1773688624.16 total 20.00 last 417.59)
total: 9000 open/close in 20.09 seconds: 448.04 ops/second
llite.lustre-ffff987d43bc1800.statahead_max=0
10000

real	1m4.485s
user	0m0.643s
sys	0m23.550s
statx -l 10000 files without statahead: 65 sec
llite.lustre-ffff987d43bc1800.statahead_max=128
128
10000

real	0m31.311s
user	0m0.333s
sys	0m20.020s
statx -l 10000 files with statahead: 31 sec
statahead total: 80
statahead wrong: 1
agl total: 78
list_total: 27
fname_total: 48
hit_total: 22876
miss_total: 229
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 69 seconds
llite.lustre-ffff987d43bc1800.statahead_stats=
statahead total: 80
statahead wrong: 1
agl total: 78
list_total: 27
fname_total: 48
hit_total: 22876
miss_total: 229
mdc.lustre-MDT0000-mdc-ffff987d43bc1800.batch_stats=
snapshot_time:            1773688803.363129839 secs.nsecs
start_time:               1773688586.615414020 secs.nsecs
elapsed_time:             216.747715819 secs.nsecs
subreqs per batch   batches   % cum %
1:		       232  56  56
2:		        18   4  60
4:		         8   1  62
8:		         2   0  63
16:		         3   0  63
32:		        36   8  72
64:		       112  27 100
mdc.lustre-MDT0001-mdc-ffff987d43bc1800.batch_stats=
snapshot_time:            1773688803.363191694 secs.nsecs
start_time:               1773688586.615489620 secs.nsecs
elapsed_time:             216.747702074 secs.nsecs
subreqs per batch   batches   % cum %
1:		       196  52  52
2:		        15   4  56
4:		        12   3  59
8:		         4   1  60
16:		         0   0  60
32:		        40  10  71
64:		       107  28 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536