== sanity test 123ab: verify statahead work by using statx ========================================================== 19:38:23 (1788565103)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9b943dd4e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b943dd4e800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.25 seconds: 44.53 ops/second
llite.lustre-ffff9b943dd4e800.statahead_max=0
100

real	0m2.066s
user	0m0.007s
sys	0m0.291s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9b943dd4e800.statahead_max=128
llite.lustre-ffff9b943dd4e800.statahead_max=128
100

real	0m0.660s
user	0m0.005s
sys	0m0.153s
'statx -l' 100 files with statahead: 1 sec
statahead total: 121
statahead wrong: 2
agl total: 116
list_total: 26
fname_total: 93
hit_total: 1585
miss_total: 1234
swrong=2 ewrong=2
total: 900 open/close in 9.34 seconds: 96.34 ops/second
llite.lustre-ffff9b943dd4e800.statahead_max=0
1000

real	0m17.482s
user	0m0.088s
sys	0m2.598s
'statx -l' 1000 files without statahead: 17 sec
llite.lustre-ffff9b943dd4e800.statahead_max=128
llite.lustre-ffff9b943dd4e800.statahead_max=128
1000

real	0m5.778s
user	0m0.069s
sys	0m1.248s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 122
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 93
hit_total: 2584
miss_total: 1234
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 16 seconds
llite.lustre-ffff9b943dd4e800.statahead_stats=
statahead total: 122
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 93
hit_total: 2584
miss_total: 1234
mdc.lustre-MDT0000-mdc-ffff9b943dd4e800.batch_stats=
snapshot_time:            1788565178.753573442 secs.nsecs
start_time:               1788565108.040602576 secs.nsecs
elapsed_time:             70.712970866 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   7   7
2:		         0   0   7
4:		         4  14  22
8:		         2   7  29
16:		         4  14  44
32:		         4  14  59
64:		        11  40 100
mdc.lustre-MDT0001-mdc-ffff9b943dd4e800.batch_stats=
snapshot_time:            1788565178.753644154 secs.nsecs
start_time:               1788565108.040738008 secs.nsecs
elapsed_time:             70.712906146 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  20  20
2:		         2   8  29
4:		         1   4  33
8:		         3  12  45
16:		         0   0  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