== sanity test 123ab: verify statahead work by using statx ========================================================== 09:54:46 (1769093686)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff978c86312800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff978c86312800.batch_stats=0
striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.67 seconds: 148.74 ops/second
llite.lustre-ffff978c86312800.statahead_max=0
100

real	0m0.534s
user	0m0.001s
sys	0m0.172s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff978c86312800.statahead_max=128
128
100

real	0m0.374s
user	0m0.003s
sys	0m0.179s
statx -l 100 files with statahead: 0 sec
statahead total: 48
statahead wrong: 1
agl total: 47
list_total: 21
fname_total: 27
hit_total: 11772
miss_total: 201
total: 900 open/close in 3.07 seconds: 293.46 ops/second
llite.lustre-ffff978c86312800.statahead_max=0
1000

real	0m7.943s
user	0m0.038s
sys	0m2.382s
statx -l 1000 files without statahead: 8 sec
llite.lustre-ffff978c86312800.statahead_max=128
128
1000

real	0m3.326s
user	0m0.021s
sys	0m1.295s
statx -l 1000 files with statahead: 3 sec
statahead total: 49
statahead wrong: 1
agl total: 48
list_total: 22
fname_total: 27
hit_total: 12771
miss_total: 201
 - open/close 2740 (time 1769093720.21 total 10.00 last 273.98)
 - open/close 5298 (time 1769093730.22 total 20.00 last 255.74)
 - open/close 7627 (time 1769093740.22 total 30.01 last 232.80)
total: 9000 open/close in 35.75 seconds: 251.78 ops/second
llite.lustre-ffff978c86312800.statahead_max=0
10000

real	1m29.341s
user	0m0.521s
sys	0m27.674s
statx -l 10000 files without statahead: 89 sec
llite.lustre-ffff978c86312800.statahead_max=128
128
10000

real	0m26.085s
user	0m0.230s
sys	0m13.708s
statx -l 10000 files with statahead: 26 sec
statahead total: 50
statahead wrong: 1
agl total: 49
list_total: 23
fname_total: 27
hit_total: 22770
miss_total: 201
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 80 seconds
llite.lustre-ffff978c86312800.statahead_stats=
statahead total: 50
statahead wrong: 1
agl total: 49
list_total: 23
fname_total: 27
hit_total: 22770
miss_total: 201
mdc.lustre-MDT0000-mdc-ffff978c86312800.batch_stats=
snapshot_time:            1769093955.818494609 secs.nsecs
start_time:               1769093687.363375565 secs.nsecs
elapsed_time:             268.455119044 secs.nsecs
subreqs per batch   batches   % cum %
1:		       124  41  41
2:		        13   4  46
4:		         6   2  48
8:		         2   0  48
16:		         3   1  49
32:		        38  12  62
64:		       111  37 100
mdc.lustre-MDT0001-mdc-ffff978c86312800.batch_stats=
snapshot_time:            1769093955.818559166 secs.nsecs
start_time:               1769093687.363429968 secs.nsecs
elapsed_time:             268.455129198 secs.nsecs
subreqs per batch   batches   % cum %
1:		       111  39  39
2:		        14   4  44
4:		         4   1  45
8:		         3   1  46
16:		         0   0  46
32:		        38  13  60
64:		       111  39 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536