== sanity test 123ab: verify statahead work by using statx ========================================================== 22:59:43 (1772423983)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9ecdc50c8800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9ecdc50c8800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.82 seconds: 121.31 ops/second
llite.lustre-ffff9ecdc50c8800.statahead_max=0
100

real	0m0.673s
user	0m0.008s
sys	0m0.264s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9ecdc50c8800.statahead_max=128
128
100

real	0m0.426s
user	0m0.006s
sys	0m0.245s
statx -l 100 files with statahead: 1 sec
statahead total: 49
statahead wrong: 1
agl total: 47
list_total: 21
fname_total: 28
hit_total: 11883
miss_total: 202
total: 900 open/close in 1.99 seconds: 452.40 ops/second
llite.lustre-ffff9ecdc50c8800.statahead_max=0
1000

real	0m6.569s
user	0m0.056s
sys	0m2.509s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff9ecdc50c8800.statahead_max=128
128
1000

real	0m3.655s
user	0m0.024s
sys	0m2.283s
statx -l 1000 files with statahead: 3 sec
statahead total: 50
statahead wrong: 1
agl total: 48
list_total: 22
fname_total: 28
hit_total: 12882
miss_total: 202
 - open/close 4697 (time 1772424015.29 total 10.00 last 469.64)
total: 9000 open/close in 19.11 seconds: 471.06 ops/second
llite.lustre-ffff9ecdc50c8800.statahead_max=0
10000

real	1m1.414s
user	0m0.414s
sys	0m22.877s
statx -l 10000 files without statahead: 61 sec
llite.lustre-ffff9ecdc50c8800.statahead_max=128
128
10000

real	0m33.915s
user	0m0.304s
sys	0m21.918s
statx -l 10000 files with statahead: 34 sec
statahead total: 51
statahead wrong: 1
agl total: 49
list_total: 23
fname_total: 28
hit_total: 22881
miss_total: 202
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 67 seconds
llite.lustre-ffff9ecdc50c8800.statahead_stats=
statahead total: 51
statahead wrong: 1
agl total: 49
list_total: 23
fname_total: 28
hit_total: 22881
miss_total: 202
mdc.lustre-MDT0000-mdc-ffff9ecdc50c8800.batch_stats=
snapshot_time:            1772424202.617214358 secs.nsecs
start_time:               1772423985.194268579 secs.nsecs
elapsed_time:             217.422945779 secs.nsecs
subreqs per batch   batches   % cum %
1:		       189  50  50
2:		        20   5  55
4:		        14   3  59
8:		         5   1  60
16:		         0   0  60
32:		        37   9  70
64:		       111  29 100
mdc.lustre-MDT0001-mdc-ffff9ecdc50c8800.batch_stats=
snapshot_time:            1772424202.617282002 secs.nsecs
start_time:               1772423985.194375674 secs.nsecs
elapsed_time:             217.422906328 secs.nsecs
subreqs per batch   batches   % cum %
1:		       197  51  51
2:		        19   4  56
4:		        12   3  59
8:		         5   1  60
16:		         1   0  61
32:		        37   9  70
64:		       111  29 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536