== sanity test 123ab: verify statahead work by using statx ========================================================== 03:47:14 (1789026434)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa01fb61b9000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa01fb61b9000.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.72 seconds: 36.74 ops/second
llite.lustre-ffffa01fb61b9000.statahead_max=0
100

real	0m2.310s
user	0m0.008s
sys	0m0.279s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffffa01fb61b9000.statahead_max=128
llite.lustre-ffffa01fb61b9000.statahead_max=128
100

real	0m0.876s
user	0m0.009s
sys	0m0.176s
'statx -l' 100 files with statahead: 1 sec
statahead total: 132
statahead wrong: 2
agl total: 128
list_total: 26
fname_total: 91
hit_total: 1590
miss_total: 1594
swrong=2 ewrong=2
 - open/close 618 (time 1789026462.40 total 10.01 last 61.73)
total: 900 open/close in 14.98 seconds: 60.10 ops/second
llite.lustre-ffffa01fb61b9000.statahead_max=0
1000

real	0m31.995s
user	0m0.099s
sys	0m2.969s
'statx -l' 1000 files without statahead: 32 sec
llite.lustre-ffffa01fb61b9000.statahead_max=128
llite.lustre-ffffa01fb61b9000.statahead_max=128
1000

real	0m6.628s
user	0m0.074s
sys	0m1.351s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 133
statahead wrong: 2
agl total: 129
list_total: 27
fname_total: 91
hit_total: 2589
miss_total: 1594
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 22 seconds
llite.lustre-ffffa01fb61b9000.statahead_stats=
statahead total: 133
statahead wrong: 2
agl total: 129
list_total: 27
fname_total: 91
hit_total: 2589
miss_total: 1594
mdc.lustre-MDT0000-mdc-ffffa01fb61b9000.batch_stats=
snapshot_time:            1789026542.219174111 secs.nsecs
start_time:               1789026439.180530837 secs.nsecs
elapsed_time:             103.038643274 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   7   7
2:		         3  11  19
4:		         0   0  19
8:		         5  19  38
16:		         2   7  46
32:		         1   3  50
64:		        13  50 100
mdc.lustre-MDT0001-mdc-ffffa01fb61b9000.batch_stats=
snapshot_time:            1789026542.219236421 secs.nsecs
start_time:               1789026439.180673349 secs.nsecs
elapsed_time:             103.038563072 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         4  17  21
4:		         3  13  34
8:		         1   4  39
16:		         1   4  43
32:		         6  26  69
64:		         7  30 100
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