== sanity test 123ab: verify statahead work by using statx ========================================================== 09:37:50 (1788874670)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9b3d4cc61000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b3d4cc61000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.86 seconds: 35.02 ops/second
llite.lustre-ffff9b3d4cc61000.statahead_max=0
100

real	0m1.540s
user	0m0.011s
sys	0m0.283s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9b3d4cc61000.statahead_max=128
llite.lustre-ffff9b3d4cc61000.statahead_max=128
100

real	0m0.936s
user	0m0.005s
sys	0m0.126s
'statx -l' 100 files with statahead: 1 sec
statahead total: 103
statahead wrong: 1
agl total: 99
list_total: 27
fname_total: 71
hit_total: 1937
miss_total: 263
swrong=1 ewrong=1
total: 900 open/close in 8.52 seconds: 105.68 ops/second
llite.lustre-ffff9b3d4cc61000.statahead_max=0
1000

real	0m18.046s
user	0m0.083s
sys	0m2.645s
'statx -l' 1000 files without statahead: 18 sec
llite.lustre-ffff9b3d4cc61000.statahead_max=128
llite.lustre-ffff9b3d4cc61000.statahead_max=128
1000

real	0m5.605s
user	0m0.065s
sys	0m1.221s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 104
statahead wrong: 1
agl total: 100
list_total: 28
fname_total: 71
hit_total: 2936
miss_total: 263
swrong=1 ewrong=1
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff9b3d4cc61000.statahead_stats=
statahead total: 104
statahead wrong: 1
agl total: 100
list_total: 28
fname_total: 71
hit_total: 2936
miss_total: 263
mdc.lustre-MDT0000-mdc-ffff9b3d4cc61000.batch_stats=
snapshot_time:            1788874754.572180624 secs.nsecs
start_time:               1788874675.931652896 secs.nsecs
elapsed_time:             78.640527728 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  13  13
2:		         3  10  24
4:		         2   6  31
8:		         5  17  48
16:		         0   0  48
32:		         2   6  55
64:		        13  44 100
mdc.lustre-MDT0001-mdc-ffff9b3d4cc61000.batch_stats=
snapshot_time:            1788874754.572248788 secs.nsecs
start_time:               1788874675.932892731 secs.nsecs
elapsed_time:             78.639356057 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  20  20
2:		         2   8  29
4:		         2   8  37
8:		         1   4  41
16:		         1   4  45
32:		         6  25  70
64:		         7  29 100
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