== sanity test 123ab: verify statahead work by using statx ========================================================== 12:25:40 (1772472340)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff96aba0677000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff96aba0677000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.30 seconds: 43.42 ops/second
llite.lustre-ffff96aba0677000.statahead_max=0
100

real	0m1.662s
user	0m0.011s
sys	0m0.277s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff96aba0677000.statahead_max=128
128
100

real	0m0.809s
user	0m0.011s
sys	0m0.162s
statx -l 100 files with statahead: 1 sec
statahead total: 156
statahead wrong: 2
agl total: 152
list_total: 26
fname_total: 100
hit_total: 2071
miss_total: 1253
total: 900 open/close in 9.74 seconds: 92.42 ops/second
llite.lustre-ffff96aba0677000.statahead_max=0
1000

real	0m18.781s
user	0m0.072s
sys	0m2.561s
statx -l 1000 files without statahead: 19 sec
llite.lustre-ffff96aba0677000.statahead_max=128
128
1000

real	0m5.979s
user	0m0.073s
sys	0m1.287s
statx -l 1000 files with statahead: 6 sec
statahead total: 157
statahead wrong: 2
agl total: 153
list_total: 27
fname_total: 100
hit_total: 3070
miss_total: 1253
 - open/close 847 (time 1772472412.20 total 10.00 last 84.67)
total: 1000 open/close in 11.96 seconds: 83.64 ops/second
llite.lustre-ffff96aba0677000.statahead_max=0
2000

real	0m42.976s
user	0m0.171s
sys	0m5.300s
statx -l 2000 files without statahead: 43 sec
llite.lustre-ffff96aba0677000.statahead_max=128
128
2000

real	0m13.222s
user	0m0.122s
sys	0m2.468s
statx -l 2000 files with statahead: 13 sec
statahead total: 158
statahead wrong: 2
agl total: 154
list_total: 28
fname_total: 100
hit_total: 5069
miss_total: 1253
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 38 seconds
llite.lustre-ffff96aba0677000.statahead_stats=
statahead total: 158
statahead wrong: 2
agl total: 154
list_total: 28
fname_total: 100
hit_total: 5069
miss_total: 1253
mdc.lustre-MDT0000-mdc-ffff96aba0677000.batch_stats=
snapshot_time:            1772472524.168763275 secs.nsecs
start_time:               1772472345.288530638 secs.nsecs
elapsed_time:             178.880232637 secs.nsecs
subreqs per batch   batches   % cum %
1:		        16  20  20
2:		        10  12  32
4:		         7   8  41
8:		         5   6  48
16:		         0   0  48
32:		        11  13  62
64:		        30  37 100
mdc.lustre-MDT0001-mdc-ffff96aba0677000.batch_stats=
snapshot_time:            1772472524.168847384 secs.nsecs
start_time:               1772472345.288881730 secs.nsecs
elapsed_time:             178.879965654 secs.nsecs
subreqs per batch   batches   % cum %
1:		        17  21  21
2:		         8  10  31
4:		         6   7  39
8:		         4   5  44
16:		         3   3  48
32:		        16  20  68
64:		        25  31 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536