== sanity test 123ab: verify statahead work by using statx ========================================================== 21:03:21 (1770689001)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff936fc55ba000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff936fc55ba000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.93 seconds: 107.35 ops/second
llite.lustre-ffff936fc55ba000.statahead_max=0
100

real	0m0.718s
user	0m0.011s
sys	0m0.252s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff936fc55ba000.statahead_max=128
128
100

real	0m0.402s
user	0m0.004s
sys	0m0.195s
statx -l 100 files with statahead: 0 sec
statahead total: 98
statahead wrong: 2
agl total: 96
list_total: 26
fname_total: 58
hit_total: 6711
miss_total: 1583
total: 900 open/close in 2.91 seconds: 309.19 ops/second
llite.lustre-ffff936fc55ba000.statahead_max=0
1000

real	0m6.749s
user	0m0.076s
sys	0m2.357s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff936fc55ba000.statahead_max=128
128
1000

real	0m2.607s
user	0m0.028s
sys	0m1.467s
statx -l 1000 files with statahead: 3 sec
statahead total: 99
statahead wrong: 2
agl total: 97
list_total: 27
fname_total: 58
hit_total: 7710
miss_total: 1583
 - open/close 3628 (time 1770689033.02 total 10.00 last 362.66)
 - open/close 6748 (time 1770689043.02 total 20.00 last 311.98)
total: 9000 open/close in 27.15 seconds: 331.54 ops/second
llite.lustre-ffff936fc55ba000.statahead_max=0
10000

real	1m8.822s
user	0m0.798s
sys	0m22.453s
statx -l 10000 files without statahead: 69 sec
llite.lustre-ffff936fc55ba000.statahead_max=128
128
10000

real	0m28.958s
user	0m0.394s
sys	0m16.962s
statx -l 10000 files with statahead: 29 sec
statahead total: 100
statahead wrong: 2
agl total: 98
list_total: 28
fname_total: 58
hit_total: 17709
miss_total: 1583
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 69 seconds
llite.lustre-ffff936fc55ba000.statahead_stats=
statahead total: 100
statahead wrong: 2
agl total: 98
list_total: 28
fname_total: 58
hit_total: 17709
miss_total: 1583
mdc.lustre-MDT0000-mdc-ffff936fc55ba000.batch_stats=
snapshot_time:            1770689227.939984443 secs.nsecs
start_time:               1770689002.929581632 secs.nsecs
elapsed_time:             225.010402811 secs.nsecs
subreqs per batch   batches   % cum %
1:		       121  41  41
2:		        10   3  44
4:		         6   2  46
8:		         5   1  48
16:		         2   0  48
32:		        44  14  63
64:		       106  36 100
mdc.lustre-MDT0001-mdc-ffff936fc55ba000.batch_stats=
snapshot_time:            1770689227.940024963 secs.nsecs
start_time:               1770689002.929653709 secs.nsecs
elapsed_time:             225.010371254 secs.nsecs
subreqs per batch   batches   % cum %
1:		       139  45  45
2:		         9   2  48
4:		         8   2  50
8:		         1   0  51
16:		         0   0  51
32:		        40  13  64
64:		       109  35 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536