== sanity test 123ab: verify statahead work by using statx ========================================================== 15:08:00 (1788203280)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff98014548b000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff98014548b000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.58 seconds: 38.82 ops/second
llite.lustre-ffff98014548b000.statahead_max=0
100

real	0m2.473s
user	0m0.010s
sys	0m0.273s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff98014548b000.statahead_max=128
llite.lustre-ffff98014548b000.statahead_max=128
100

real	0m0.837s
user	0m0.009s
sys	0m0.141s
'statx -l' 100 files with statahead: 1 sec
statahead total: 116
statahead wrong: 2
agl total: 112
list_total: 26
fname_total: 75
hit_total: 2149
miss_total: 765
swrong=2 ewrong=2
 - open/close 695 (time 1788203308.15 total 10.01 last 69.44)
total: 900 open/close in 12.27 seconds: 73.35 ops/second
llite.lustre-ffff98014548b000.statahead_max=0
1000

real	0m20.330s
user	0m0.081s
sys	0m2.667s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff98014548b000.statahead_max=128
llite.lustre-ffff98014548b000.statahead_max=128
1000

real	0m6.539s
user	0m0.082s
sys	0m1.461s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 27
fname_total: 75
hit_total: 3148
miss_total: 765
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff98014548b000.statahead_stats=
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 27
fname_total: 75
hit_total: 3148
miss_total: 765
mdc.lustre-MDT0000-mdc-ffff98014548b000.batch_stats=
snapshot_time:            1788203368.616635324 secs.nsecs
start_time:               1788203284.657800776 secs.nsecs
elapsed_time:             83.958834548 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         0   0   4
4:		         1   4   9
8:		         2   9  19
16:		         2   9  28
32:		         3  14  42
64:		        12  57 100
mdc.lustre-MDT0001-mdc-ffff98014548b000.batch_stats=
snapshot_time:            1788203368.616736077 secs.nsecs
start_time:               1788203284.657937019 secs.nsecs
elapsed_time:             83.958799058 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  19  19
2:		         1   4  23
4:		         1   4  28
8:		         1   4  33
16:		         0   0  33
32:		         9  42  76
64:		         5  23 100
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