== sanity test 123ab: verify statahead work by using statx ========================================================== 22:39:21 (1789180761)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9ba049a2e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9ba049a2e800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.31 seconds: 43.22 ops/second
llite.lustre-ffff9ba049a2e800.statahead_max=0
100

real	0m2.211s
user	0m0.012s
sys	0m0.287s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9ba049a2e800.statahead_max=128
llite.lustre-ffff9ba049a2e800.statahead_max=128
100

real	0m0.701s
user	0m0.005s
sys	0m0.137s
'statx -l' 100 files with statahead: 1 sec
statahead total: 146
statahead wrong: 2
agl total: 142
list_total: 26
fname_total: 120
hit_total: 1641
miss_total: 1384
swrong=2 ewrong=2
 - open/close 836 (time 1789180788.40 total 10.00 last 83.59)
total: 900 open/close in 11.01 seconds: 81.74 ops/second
llite.lustre-ffff9ba049a2e800.statahead_max=0
1000

real	0m20.336s
user	0m0.068s
sys	0m2.674s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff9ba049a2e800.statahead_max=128
llite.lustre-ffff9ba049a2e800.statahead_max=128
1000

real	0m4.474s
user	0m0.053s
sys	0m1.150s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 147
statahead wrong: 2
agl total: 143
list_total: 27
fname_total: 120
hit_total: 2640
miss_total: 1384
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff9ba049a2e800.statahead_stats=
statahead total: 147
statahead wrong: 2
agl total: 143
list_total: 27
fname_total: 120
hit_total: 2640
miss_total: 1384
mdc.lustre-MDT0000-mdc-ffff9ba049a2e800.batch_stats=
snapshot_time:            1789180846.006673280 secs.nsecs
start_time:               1789180766.734946819 secs.nsecs
elapsed_time:             79.271726461 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  16  16
2:		         0   0  16
4:		         2   8  24
8:		         4  16  40
16:		         1   4  44
32:		         5  20  64
64:		         9  36 100
mdc.lustre-MDT0001-mdc-ffff9ba049a2e800.batch_stats=
snapshot_time:            1789180846.006766351 secs.nsecs
start_time:               1789180766.735052936 secs.nsecs
elapsed_time:             79.271713415 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         3  12  25
4:		         1   4  29
8:		         1   4  33
16:		         2   8  41
32:		         5  20  62
64:		         9  37 100
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