== sanity test 123ab: verify statahead work by using statx ========================================================== 13:29:00 (1788974940)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff88e39d55a000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88e39d55a000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.42 seconds: 41.31 ops/second
llite.lustre-ffff88e39d55a000.statahead_max=0
100

real	0m1.984s
user	0m0.010s
sys	0m0.285s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff88e39d55a000.statahead_max=128
llite.lustre-ffff88e39d55a000.statahead_max=128
100

real	0m0.799s
user	0m0.010s
sys	0m0.174s
'statx -l' 100 files with statahead: 1 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 27
fname_total: 102
hit_total: 2309
miss_total: 1287
swrong=2 ewrong=2
 - open/close 887 (time 1788974965.97 total 10.00 last 88.69)
total: 900 open/close in 10.10 seconds: 89.13 ops/second
llite.lustre-ffff88e39d55a000.statahead_max=0
1000

real	0m19.709s
user	0m0.076s
sys	0m2.557s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff88e39d55a000.statahead_max=128
llite.lustre-ffff88e39d55a000.statahead_max=128
1000

real	0m6.662s
user	0m0.065s
sys	0m1.228s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 28
fname_total: 102
hit_total: 3308
miss_total: 1287
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff88e39d55a000.statahead_stats=
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 28
fname_total: 102
hit_total: 3308
miss_total: 1287
mdc.lustre-MDT0000-mdc-ffff88e39d55a000.batch_stats=
snapshot_time:            1788975023.482639230 secs.nsecs
start_time:               1788974945.028486178 secs.nsecs
elapsed_time:             78.454153052 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  16  16
2:		         0   0  16
4:		         0   0  16
8:		         3  12  28
16:		         3  12  40
32:		         4  16  56
64:		        11  44 100
mdc.lustre-MDT0001-mdc-ffff88e39d55a000.batch_stats=
snapshot_time:            1788975023.482712303 secs.nsecs
start_time:               1788974945.028722092 secs.nsecs
elapsed_time:             78.453990211 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         1   5  10
4:		         3  15  25
8:		         1   5  30
16:		         1   5  35
32:		         7  35  70
64:		         6  30 100
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