== sanity test 123ab: verify statahead work by using statx ========================================================== 13:29:28 (1784050168)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff93d507c93800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff93d507c93800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.53 seconds: 39.54 ops/second
llite.lustre-ffff93d507c93800.statahead_max=0
100

real	0m2.182s
user	0m0.011s
sys	0m0.275s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff93d507c93800.statahead_max=128
llite.lustre-ffff93d507c93800.statahead_max=128
100

real	0m1.029s
user	0m0.007s
sys	0m0.157s
'statx -l' 100 files with statahead: 1 sec
statahead total: 101
statahead wrong: 2
agl total: 98
list_total: 26
fname_total: 63
hit_total: 2367
miss_total: 1281
swrong=2 ewrong=2
total: 900 open/close in 9.13 seconds: 98.61 ops/second
llite.lustre-ffff93d507c93800.statahead_max=0
1000

real	0m17.198s
user	0m0.068s
sys	0m2.799s
'statx -l' 1000 files without statahead: 17 sec
llite.lustre-ffff93d507c93800.statahead_max=128
llite.lustre-ffff93d507c93800.statahead_max=128
1000

real	0m6.397s
user	0m0.066s
sys	0m1.345s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 102
statahead wrong: 2
agl total: 99
list_total: 27
fname_total: 63
hit_total: 3366
miss_total: 1281
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff93d507c93800.statahead_stats=
statahead total: 102
statahead wrong: 2
agl total: 99
list_total: 27
fname_total: 63
hit_total: 3366
miss_total: 1281
mdc.lustre-MDT0000-mdc-ffff93d507c93800.batch_stats=
snapshot_time:            1784050249.797599675 secs.nsecs
start_time:               1784050173.446341726 secs.nsecs
elapsed_time:             76.351257949 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         0   0   4
4:		         1   4   9
8:		         2   9  19
16:		         2   9  28
32:		         4  19  47
64:		        11  52 100
mdc.lustre-MDT0001-mdc-ffff93d507c93800.batch_stats=
snapshot_time:            1784050249.797669290 secs.nsecs
start_time:               1784050173.446663982 secs.nsecs
elapsed_time:             76.351005308 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2  10  10
2:		         0   0  10
4:		         2  10  21
8:		         1   5  26
16:		         0   0  26
32:		         9  47  73
64:		         5  26 100
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