== sanity test 123ab: verify statahead work by using statx ========================================================== 20:54:28 (1789088068)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8bced84bb000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8bced84bb000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.89 seconds: 34.62 ops/second
llite.lustre-ffff8bced84bb000.statahead_max=0
100

real	0m2.013s
user	0m0.011s
sys	0m0.306s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8bced84bb000.statahead_max=128
llite.lustre-ffff8bced84bb000.statahead_max=128
100

real	0m0.916s
user	0m0.008s
sys	0m0.163s
'statx -l' 100 files with statahead: 1 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 26
fname_total: 95
hit_total: 2429
miss_total: 1261
swrong=2 ewrong=2
total: 900 open/close in 9.71 seconds: 92.64 ops/second
llite.lustre-ffff8bced84bb000.statahead_max=0
1000

real	0m17.039s
user	0m0.076s
sys	0m2.888s
'statx -l' 1000 files without statahead: 17 sec
llite.lustre-ffff8bced84bb000.statahead_max=128
llite.lustre-ffff8bced84bb000.statahead_max=128
1000

real	0m5.904s
user	0m0.076s
sys	0m1.423s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 27
fname_total: 95
hit_total: 3428
miss_total: 1261
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 17 seconds
llite.lustre-ffff8bced84bb000.statahead_stats=
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 27
fname_total: 95
hit_total: 3428
miss_total: 1261
mdc.lustre-MDT0000-mdc-ffff8bced84bb000.batch_stats=
snapshot_time:            1789088147.755671737 secs.nsecs
start_time:               1789088073.172101144 secs.nsecs
elapsed_time:             74.583570593 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  13  13
2:		         2   6  20
4:		         3  10  31
8:		         3  10  41
16:		         3  10  51
32:		         1   3  55
64:		        13  44 100
mdc.lustre-MDT0001-mdc-ffff8bced84bb000.batch_stats=
snapshot_time:            1789088147.755763269 secs.nsecs
start_time:               1789088073.172408626 secs.nsecs
elapsed_time:             74.583354643 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  29  29
2:		         2   7  37
4:		         2   7  44
8:		         0   0  44
16:		         2   7  51
32:		         8  29  81
64:		         5  18 100
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