== sanity test 123ab: verify statahead work by using statx ========================================================== 17:13:48 (1787865228)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8d4dd1be8000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8d4dd1be8000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.33 seconds: 30.07 ops/second
llite.lustre-ffff8d4dd1be8000.statahead_max=0
100

real	0m2.578s
user	0m0.011s
sys	0m0.309s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff8d4dd1be8000.statahead_max=128
llite.lustre-ffff8d4dd1be8000.statahead_max=128
100

real	0m0.953s
user	0m0.005s
sys	0m0.165s
'statx -l' 100 files with statahead: 1 sec
statahead total: 143
statahead wrong: 2
agl total: 139
list_total: 27
fname_total: 101
hit_total: 1957
miss_total: 1286
swrong=2 ewrong=2
 - open/close 699 (time 1787865257.50 total 10.00 last 69.88)
total: 900 open/close in 12.76 seconds: 70.52 ops/second
llite.lustre-ffff8d4dd1be8000.statahead_max=0
1000

real	0m24.747s
user	0m0.083s
sys	0m2.736s
'statx -l' 1000 files without statahead: 25 sec
llite.lustre-ffff8d4dd1be8000.statahead_max=128
llite.lustre-ffff8d4dd1be8000.statahead_max=128
1000

real	0m6.381s
user	0m0.049s
sys	0m1.320s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 144
statahead wrong: 2
agl total: 140
list_total: 28
fname_total: 101
hit_total: 2956
miss_total: 1286
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 26 seconds
llite.lustre-ffff8d4dd1be8000.statahead_stats=
statahead total: 144
statahead wrong: 2
agl total: 140
list_total: 28
fname_total: 101
hit_total: 2956
miss_total: 1286
mdc.lustre-MDT0000-mdc-ffff8d4dd1be8000.batch_stats=
snapshot_time:            1787865328.292983876 secs.nsecs
start_time:               1787865233.538967362 secs.nsecs
elapsed_time:             94.754016514 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   5   5
2:		         0   0   5
4:		         1   5  10
8:		         1   5  15
16:		         2  10  25
32:		         3  15  40
64:		        12  60 100
mdc.lustre-MDT0001-mdc-ffff8d4dd1be8000.batch_stats=
snapshot_time:            1787865328.293934110 secs.nsecs
start_time:               1787865233.539040453 secs.nsecs
elapsed_time:             94.754893657 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  19  19
2:		         1   4  23
4:		         0   0  23
8:		         3  14  38
16:		         0   0  38
32:		         5  23  61
64:		         8  38 100
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