== sanity test 123ab: verify statahead work by using statx ========================================================== 01:43:05 (1781242985)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff97d8c99ce000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff97d8c99ce000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.07 seconds: 48.26 ops/second
llite.lustre-ffff97d8c99ce000.statahead_max=0
100

real	0m1.840s
user	0m0.015s
sys	0m0.305s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff97d8c99ce000.statahead_max=128
llite.lustre-ffff97d8c99ce000.statahead_max=128
100

real	0m0.910s
user	0m0.005s
sys	0m0.140s
'statx -l' 100 files with statahead: 1 sec
statahead total: 113
statahead wrong: 2
agl total: 110
list_total: 27
fname_total: 85
hit_total: 2050
miss_total: 1289
swrong=2 ewrong=2
 - open/close 724 (time 1781243010.53 total 10.00 last 72.40)
total: 900 open/close in 12.54 seconds: 71.76 ops/second
llite.lustre-ffff97d8c99ce000.statahead_max=0
1000

real	0m21.656s
user	0m0.098s
sys	0m3.287s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff97d8c99ce000.statahead_max=128
llite.lustre-ffff97d8c99ce000.statahead_max=128
1000

real	0m5.990s
user	0m0.065s
sys	0m1.652s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 114
statahead wrong: 2
agl total: 111
list_total: 28
fname_total: 85
hit_total: 3049
miss_total: 1289
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff97d8c99ce000.statahead_stats=
statahead total: 114
statahead wrong: 2
agl total: 111
list_total: 28
fname_total: 85
hit_total: 3049
miss_total: 1289
mdc.lustre-MDT0000-mdc-ffff97d8c99ce000.batch_stats=
snapshot_time:            1781243071.094222266 secs.nsecs
start_time:               1781242989.569542596 secs.nsecs
elapsed_time:             81.524679670 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  22  22
2:		         1   3  25
4:		         2   6  32
8:		         2   6  38
16:		         3   9  48
32:		         5  16  64
64:		        11  35 100
mdc.lustre-MDT0001-mdc-ffff97d8c99ce000.batch_stats=
snapshot_time:            1781243071.094293654 secs.nsecs
start_time:               1781242989.569628485 secs.nsecs
elapsed_time:             81.524665169 secs.nsecs
subreqs per batch   batches   % cum %
1:		        13  39  39
2:		         3   9  48
4:		         1   3  51
8:		         2   6  57
16:		         1   3  60
32:		         7  21  81
64:		         6  18 100
unlink(/mnt/lustre/d123ab.sanity/f123ab.sanity0) error: No such file or directory
total: 0 unlinks in 0 seconds: -nan unlinks/second
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536