== sanity test 123ab: verify statahead work by using statx ========================================================== 01:42:14 (1789450934)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8a527f0cb800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a527f0cb800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.10 seconds: 32.21 ops/second
llite.lustre-ffff8a527f0cb800.statahead_max=0
100

real	0m2.804s
user	0m0.008s
sys	0m0.302s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8a527f0cb800.statahead_max=128
llite.lustre-ffff8a527f0cb800.statahead_max=128
100

real	0m0.716s
user	0m0.008s
sys	0m0.140s
'statx -l' 100 files with statahead: 1 sec
statahead total: 120
statahead wrong: 2
agl total: 116
list_total: 26
fname_total: 94
hit_total: 1593
miss_total: 1358
swrong=2 ewrong=2
 - open/close 731 (time 1789450963.87 total 10.01 last 73.03)
total: 900 open/close in 12.76 seconds: 70.54 ops/second
llite.lustre-ffff8a527f0cb800.statahead_max=0
1000

real	0m24.146s
user	0m0.081s
sys	0m2.687s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff8a527f0cb800.statahead_max=128
llite.lustre-ffff8a527f0cb800.statahead_max=128
1000

real	0m5.001s
user	0m0.064s
sys	0m1.158s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 121
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 94
hit_total: 2592
miss_total: 1358
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff8a527f0cb800.statahead_stats=
statahead total: 121
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 94
hit_total: 2592
miss_total: 1358
mdc.lustre-MDT0000-mdc-ffff8a527f0cb800.batch_stats=
snapshot_time:            1789451031.051595738 secs.nsecs
start_time:               1789450939.785678365 secs.nsecs
elapsed_time:             91.265917373 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   7   7
2:		         4  14  22
4:		         0   0  22
8:		         5  18  40
16:		         2   7  48
32:		         2   7  55
64:		        12  44 100
mdc.lustre-MDT0001-mdc-ffff8a527f0cb800.batch_stats=
snapshot_time:            1789451031.051745337 secs.nsecs
start_time:               1789450939.785768770 secs.nsecs
elapsed_time:             91.265976567 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  20  20
2:		         0   0  20
4:		         2  10  30
8:		         1   5  35
16:		         0   0  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