== sanity test 123ab: verify statahead work by using statx ========================================================== 10:33:52 (1786804432)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff93dd45cfa800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff93dd45cfa800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.82 seconds: 35.50 ops/second
llite.lustre-ffff93dd45cfa800.statahead_max=0
100

real	0m1.505s
user	0m0.010s
sys	0m0.287s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff93dd45cfa800.statahead_max=128
llite.lustre-ffff93dd45cfa800.statahead_max=128
100

real	0m0.869s
user	0m0.008s
sys	0m0.161s
'statx -l' 100 files with statahead: 0 sec
statahead total: 123
statahead wrong: 2
agl total: 118
list_total: 27
fname_total: 90
hit_total: 2366
miss_total: 771
swrong=2 ewrong=2
 - open/close 849 (time 1786804458.06 total 10.01 last 84.81)
total: 900 open/close in 10.89 seconds: 82.64 ops/second
llite.lustre-ffff93dd45cfa800.statahead_max=0
1000

real	0m20.974s
user	0m0.087s
sys	0m2.891s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff93dd45cfa800.statahead_max=128
llite.lustre-ffff93dd45cfa800.statahead_max=128
1000

real	0m7.255s
user	0m0.057s
sys	0m1.389s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 124
statahead wrong: 2
agl total: 119
list_total: 28
fname_total: 90
hit_total: 3365
miss_total: 771
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 23 seconds
llite.lustre-ffff93dd45cfa800.statahead_stats=
statahead total: 124
statahead wrong: 2
agl total: 119
list_total: 28
fname_total: 90
hit_total: 3365
miss_total: 771
mdc.lustre-MDT0000-mdc-ffff93dd45cfa800.batch_stats=
snapshot_time:            1786804523.507700751 secs.nsecs
start_time:               1786804436.346293786 secs.nsecs
elapsed_time:             87.161406965 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         1   4   9
4:		         0   0   9
8:		         3  14  23
16:		         0   0  23
32:		         5  23  47
64:		        11  52 100
mdc.lustre-MDT0001-mdc-ffff93dd45cfa800.batch_stats=
snapshot_time:            1786804523.507763511 secs.nsecs
start_time:               1786804436.346379405 secs.nsecs
elapsed_time:             87.161384106 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2  10  10
2:		         1   5  15
4:		         2  10  26
8:		         0   0  26
16:		         0   0  26
32:		        10  52  78
64:		         4  21 100
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