== sanity test 123ab: verify statahead work by using statx ========================================================== 09:43:29 (1787147009)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff928dc6d65000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff928dc6d65000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.40 seconds: 41.72 ops/second
llite.lustre-ffff928dc6d65000.statahead_max=0
100

real	0m1.929s
user	0m0.012s
sys	0m0.290s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff928dc6d65000.statahead_max=128
llite.lustre-ffff928dc6d65000.statahead_max=128
100

real	0m0.864s
user	0m0.007s
sys	0m0.165s
'statx -l' 100 files with statahead: 1 sec
statahead total: 114
statahead wrong: 2
agl total: 109
list_total: 26
fname_total: 88
hit_total: 1936
miss_total: 1392
swrong=2 ewrong=2
total: 900 open/close in 9.69 seconds: 92.90 ops/second
llite.lustre-ffff928dc6d65000.statahead_max=0
1000

real	0m19.645s
user	0m0.080s
sys	0m2.650s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff928dc6d65000.statahead_max=128
llite.lustre-ffff928dc6d65000.statahead_max=128
1000

real	0m6.121s
user	0m0.061s
sys	0m1.184s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 115
statahead wrong: 2
agl total: 110
list_total: 27
fname_total: 88
hit_total: 2935
miss_total: 1392
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff928dc6d65000.statahead_stats=
statahead total: 115
statahead wrong: 2
agl total: 110
list_total: 27
fname_total: 88
hit_total: 2935
miss_total: 1392
mdc.lustre-MDT0000-mdc-ffff928dc6d65000.batch_stats=
snapshot_time:            1787147095.890531717 secs.nsecs
start_time:               1787147014.828599888 secs.nsecs
elapsed_time:             81.061931829 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         0   0  12
4:		         3  12  24
8:		         3  12  36
16:		         2   8  44
32:		         1   4  48
64:		        13  52 100
mdc.lustre-MDT0001-mdc-ffff928dc6d65000.batch_stats=
snapshot_time:            1787147095.890605075 secs.nsecs
start_time:               1787147014.828699783 secs.nsecs
elapsed_time:             81.061905292 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         0   0   5
4:		         2  11  16
8:		         1   5  22
16:		         1   5  27
32:		         7  38  66
64:		         6  33 100
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