== sanity test 123ab: verify statahead work by using statx ========================================================== 13:38:28 (1786037908)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9687054d1800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9687054d1800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 3.52 seconds: 28.43 ops/second
llite.lustre-ffff9687054d1800.statahead_max=0
100

real	0m3.380s
user	0m0.012s
sys	0m0.291s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9687054d1800.statahead_max=128
llite.lustre-ffff9687054d1800.statahead_max=128
100

real	0m0.972s
user	0m0.007s
sys	0m0.128s
'statx -l' 100 files with statahead: 1 sec
statahead total: 136
statahead wrong: 2
agl total: 131
list_total: 30
fname_total: 90
hit_total: 2131
miss_total: 1287
swrong=2 ewrong=2
 - open/close 496 (time 1786037942.00 total 10.04 last 49.39)
total: 900 open/close in 16.91 seconds: 53.22 ops/second
llite.lustre-ffff9687054d1800.statahead_max=0
1000

real	0m24.955s
user	0m0.062s
sys	0m2.598s
'statx -l' 1000 files without statahead: 25 sec
llite.lustre-ffff9687054d1800.statahead_max=128
llite.lustre-ffff9687054d1800.statahead_max=128
1000

real	0m7.889s
user	0m0.051s
sys	0m1.295s
'statx -l' 1000 files with statahead: 8 sec
statahead total: 137
statahead wrong: 2
agl total: 132
list_total: 31
fname_total: 90
hit_total: 3130
miss_total: 1287
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 28 seconds
llite.lustre-ffff9687054d1800.statahead_stats=
statahead total: 137
statahead wrong: 2
agl total: 132
list_total: 31
fname_total: 90
hit_total: 3130
miss_total: 1287
mdc.lustre-MDT0000-mdc-ffff9687054d1800.batch_stats=
snapshot_time:            1786038026.240096150 secs.nsecs
start_time:               1786037915.042424941 secs.nsecs
elapsed_time:             111.197671209 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  14  14
2:		         1   3  18
4:		         3  11  29
8:		         1   3  33
16:		         3  11  44
32:		         3  11  55
64:		        12  44 100
mdc.lustre-MDT0001-mdc-ffff9687054d1800.batch_stats=
snapshot_time:            1786038026.241187569 secs.nsecs
start_time:               1786037915.042613254 secs.nsecs
elapsed_time:             111.198574315 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5  21  21
2:		         1   4  26
4:		         3  13  39
8:		         1   4  43
16:		         0   0  43
32:		         5  21  65
64:		         8  34 100
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