== sanity test 123ab: verify statahead work by using statx ========================================================== 00:40:53 (1773204053)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9ffe463ce000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9ffe463ce000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.66 seconds: 37.54 ops/second
llite.lustre-ffff9ffe463ce000.statahead_max=0
100

real	0m1.736s
user	0m0.005s
sys	0m0.272s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9ffe463ce000.statahead_max=128
128
100

real	0m0.977s
user	0m0.005s
sys	0m0.167s
statx -l 100 files with statahead: 1 sec
statahead total: 133
statahead wrong: 2
agl total: 129
list_total: 26
fname_total: 91
hit_total: 1887
miss_total: 1488
 - open/close 691 (time 1773204080.86 total 10.00 last 69.07)
total: 900 open/close in 12.56 seconds: 71.64 ops/second
llite.lustre-ffff9ffe463ce000.statahead_max=0
1000

real	0m17.525s
user	0m0.077s
sys	0m2.730s
statx -l 1000 files without statahead: 18 sec
llite.lustre-ffff9ffe463ce000.statahead_max=128
128
1000

real	0m6.852s
user	0m0.059s
sys	0m1.369s
statx -l 1000 files with statahead: 7 sec
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 27
fname_total: 91
hit_total: 2886
miss_total: 1488
 - open/close 860 (time 1773204129.29 total 10.00 last 85.99)
total: 1000 open/close in 11.58 seconds: 86.38 ops/second
llite.lustre-ffff9ffe463ce000.statahead_max=0
2000

real	0m46.628s
user	0m0.170s
sys	0m5.692s
statx -l 2000 files without statahead: 47 sec
llite.lustre-ffff9ffe463ce000.statahead_max=128
128
2000

real	0m10.972s
user	0m0.112s
sys	0m2.605s
statx -l 2000 files with statahead: 10 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 28
fname_total: 91
hit_total: 4885
miss_total: 1488
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 31 seconds
llite.lustre-ffff9ffe463ce000.statahead_stats=
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 28
fname_total: 91
hit_total: 4885
miss_total: 1488
mdc.lustre-MDT0000-mdc-ffff9ffe463ce000.batch_stats=
snapshot_time:            1773204234.153542880 secs.nsecs
start_time:               1773204058.111635798 secs.nsecs
elapsed_time:             176.041907082 secs.nsecs
subreqs per batch   batches   % cum %
1:		        15  21  21
2:		         3   4  26
4:		         3   4  30
8:		         3   4  34
16:		         3   4  39
32:		        12  17  56
64:		        30  43 100
mdc.lustre-MDT0001-mdc-ffff9ffe463ce000.batch_stats=
snapshot_time:            1773204234.153618201 secs.nsecs
start_time:               1773204058.111760488 secs.nsecs
elapsed_time:             176.041857713 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7   9   9
2:		         9  12  22
4:		         6   8  30
8:		         6   8  39
16:		         1   1  40
32:		        16  22  63
64:		        26  36 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536