== sanity test 123ab: verify statahead work by using statx ========================================================== 20:39:49 (1789605589)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff95f23ba8b000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff95f23ba8b000.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.45 seconds: 40.82 ops/second
llite.lustre-ffff95f23ba8b000.statahead_max=0
100

real	0m2.218s
user	0m0.010s
sys	0m0.267s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff95f23ba8b000.statahead_max=128
llite.lustre-ffff95f23ba8b000.statahead_max=128
100

real	0m0.660s
user	0m0.007s
sys	0m0.165s
'statx -l' 100 files with statahead: 1 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 26
fname_total: 95
hit_total: 1940
miss_total: 1281
swrong=2 ewrong=2
 - open/close 880 (time 1789605614.75 total 10.00 last 87.98)
total: 900 open/close in 10.24 seconds: 87.85 ops/second
llite.lustre-ffff95f23ba8b000.statahead_max=0
1000

real	0m18.430s
user	0m0.074s
sys	0m2.539s
'statx -l' 1000 files without statahead: 18 sec
llite.lustre-ffff95f23ba8b000.statahead_max=128
llite.lustre-ffff95f23ba8b000.statahead_max=128
1000

real	0m5.087s
user	0m0.059s
sys	0m1.308s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 27
fname_total: 95
hit_total: 2939
miss_total: 1281
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff95f23ba8b000.statahead_stats=
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 27
fname_total: 95
hit_total: 2939
miss_total: 1281
mdc.lustre-MDT0000-mdc-ffff95f23ba8b000.batch_stats=
snapshot_time:            1789605668.249827098 secs.nsecs
start_time:               1789605593.495994617 secs.nsecs
elapsed_time:             74.753832481 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
2:		         1   4   4
4:		         3  13  17
8:		         3  13  30
16:		         1   4  34
32:		         5  21  56
64:		        10  43 100
mdc.lustre-MDT0001-mdc-ffff95f23ba8b000.batch_stats=
snapshot_time:            1789605668.249967301 secs.nsecs
start_time:               1789605593.496092546 secs.nsecs
elapsed_time:             74.753874755 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         0   0   8
4:		         1   4  12
8:		         3  12  25
16:		         5  20  45
32:		         5  20  66
64:		         8  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