== sanity test 123ab: verify statahead work by using statx ========================================================== 03:19:57 (1787037597)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8d8ac69c9800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8d8ac69c9800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.08 seconds: 32.51 ops/second
llite.lustre-ffff8d8ac69c9800.statahead_max=0
100

real	0m3.014s
user	0m0.014s
sys	0m0.344s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8d8ac69c9800.statahead_max=128
llite.lustre-ffff8d8ac69c9800.statahead_max=128
100

real	0m0.931s
user	0m0.013s
sys	0m0.165s
'statx -l' 100 files with statahead: 1 sec
statahead total: 141
statahead wrong: 2
agl total: 136
list_total: 28
fname_total: 95
hit_total: 1392
miss_total: 1506
swrong=2 ewrong=2
 - open/close 718 (time 1787037627.87 total 10.02 last 71.62)
total: 900 open/close in 12.90 seconds: 69.78 ops/second
llite.lustre-ffff8d8ac69c9800.statahead_max=0
1000

real	0m24.105s
user	0m0.122s
sys	0m3.490s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff8d8ac69c9800.statahead_max=128
llite.lustre-ffff8d8ac69c9800.statahead_max=128
1000

real	0m6.285s
user	0m0.062s
sys	0m1.441s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 142
statahead wrong: 2
agl total: 137
list_total: 29
fname_total: 95
hit_total: 2391
miss_total: 1506
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 22 seconds
llite.lustre-ffff8d8ac69c9800.statahead_stats=
statahead total: 142
statahead wrong: 2
agl total: 137
list_total: 29
fname_total: 95
hit_total: 2391
miss_total: 1506
mdc.lustre-MDT0000-mdc-ffff8d8ac69c9800.batch_stats=
snapshot_time:            1787037696.011588915 secs.nsecs
start_time:               1787037603.115729601 secs.nsecs
elapsed_time:             92.895859314 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  12
4:		         3  12  24
8:		         3  12  36
16:		         1   4  40
32:		         4  16  56
64:		        11  44 100
mdc.lustre-MDT0001-mdc-ffff8d8ac69c9800.batch_stats=
snapshot_time:            1787037696.011664230 secs.nsecs
start_time:               1787037603.116037809 secs.nsecs
elapsed_time:             92.895626421 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  18  18
2:		         1   4  22
4:		         2   9  31
8:		         1   4  36
16:		         1   4  40
32:		         7  31  72
64:		         6  27 100
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