== sanity test 123ab: verify statahead work by using statx ========================================================== 16:07:58 (1789675678)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9d2d3aca0800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d2d3aca0800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.02 seconds: 49.39 ops/second
llite.lustre-ffff9d2d3aca0800.statahead_max=0
100

real	0m2.128s
user	0m0.014s
sys	0m0.277s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9d2d3aca0800.statahead_max=128
llite.lustre-ffff9d2d3aca0800.statahead_max=128
100

real	0m0.907s
user	0m0.004s
sys	0m0.156s
'statx -l' 100 files with statahead: 1 sec
statahead total: 104
statahead wrong: 2
agl total: 101
list_total: 26
fname_total: 78
hit_total: 2016
miss_total: 1279
swrong=2 ewrong=2
 - open/close 866 (time 1789675704.65 total 10.01 last 86.48)
total: 900 open/close in 10.56 seconds: 85.26 ops/second
llite.lustre-ffff9d2d3aca0800.statahead_max=0
1000

real	0m19.192s
user	0m0.086s
sys	0m2.586s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff9d2d3aca0800.statahead_max=128
llite.lustre-ffff9d2d3aca0800.statahead_max=128
1000

real	0m5.596s
user	0m0.057s
sys	0m1.300s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 105
statahead wrong: 2
agl total: 102
list_total: 27
fname_total: 78
hit_total: 3015
miss_total: 1279
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff9d2d3aca0800.statahead_stats=
statahead total: 105
statahead wrong: 2
agl total: 102
list_total: 27
fname_total: 78
hit_total: 3015
miss_total: 1279
mdc.lustre-MDT0000-mdc-ffff9d2d3aca0800.batch_stats=
snapshot_time:            1789675760.611677706 secs.nsecs
start_time:               1789675682.106228650 secs.nsecs
elapsed_time:             78.505449056 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         1   5  10
4:		         2  10  20
8:		         2  10  30
16:		         0   0  30
32:		         3  15  45
64:		        11  55 100
mdc.lustre-MDT0001-mdc-ffff9d2d3aca0800.batch_stats=
snapshot_time:            1789675760.611744961 secs.nsecs
start_time:               1789675682.106537413 secs.nsecs
elapsed_time:             78.505207548 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   9   9
2:		         0   0   9
4:		         5  22  31
8:		         1   4  36
16:		         0   0  36
32:		         4  18  54
64:		        10  45 100
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