== sanity test 123ab: verify statahead work by using statx ========================================================== 00:19:30 (1788841170)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8f32c8d5c000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8f32c8d5c000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.35 seconds: 42.55 ops/second
llite.lustre-ffff8f32c8d5c000.statahead_max=0
100

real	0m2.156s
user	0m0.012s
sys	0m0.286s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8f32c8d5c000.statahead_max=128
llite.lustre-ffff8f32c8d5c000.statahead_max=128
100

real	0m0.927s
user	0m0.014s
sys	0m0.151s
'statx -l' 100 files with statahead: 1 sec
statahead total: 129
statahead wrong: 2
agl total: 126
list_total: 26
fname_total: 90
hit_total: 1895
miss_total: 1282
swrong=2 ewrong=2
 - open/close 817 (time 1788841196.68 total 10.00 last 81.68)
total: 900 open/close in 11.07 seconds: 81.27 ops/second
llite.lustre-ffff8f32c8d5c000.statahead_max=0
1000

real	0m20.372s
user	0m0.078s
sys	0m2.573s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff8f32c8d5c000.statahead_max=128
llite.lustre-ffff8f32c8d5c000.statahead_max=128
1000

real	0m6.025s
user	0m0.061s
sys	0m1.318s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 130
statahead wrong: 2
agl total: 127
list_total: 27
fname_total: 90
hit_total: 2894
miss_total: 1282
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff8f32c8d5c000.statahead_stats=
statahead total: 130
statahead wrong: 2
agl total: 127
list_total: 27
fname_total: 90
hit_total: 2894
miss_total: 1282
mdc.lustre-MDT0000-mdc-ffff8f32c8d5c000.batch_stats=
snapshot_time:            1788841256.561974878 secs.nsecs
start_time:               1788841175.153089830 secs.nsecs
elapsed_time:             81.408885048 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  12
4:		         0   0  12
8:		         4  16  28
16:		         2   8  36
32:		         5  20  56
64:		        11  44 100
mdc.lustre-MDT0001-mdc-ffff8f32c8d5c000.batch_stats=
snapshot_time:            1788841256.562097721 secs.nsecs
start_time:               1788841175.153152349 secs.nsecs
elapsed_time:             81.408945372 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         2   8  20
4:		         4  16  37
8:		         1   4  41
16:		         1   4  45
32:		         7  29  75
64:		         6  25 100
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