== sanity test 123ab: verify statahead work by using statx ========================================================== 08:52:05 (1786193525)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9980c47cf800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9980c47cf800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.99 seconds: 100.50 ops/second
llite.lustre-ffff9980c47cf800.statahead_max=0
100

real	0m0.862s
user	0m0.006s
sys	0m0.304s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff9980c47cf800.statahead_max=128
llite.lustre-ffff9980c47cf800.statahead_max=128
100

real	0m0.403s
user	0m0.002s
sys	0m0.207s
'statx -l' 100 files with statahead: 1 sec
statahead total: 82
statahead wrong: 2
agl total: 80
list_total: 25
fname_total: 45
hit_total: 1783
miss_total: 1122
swrong=2 ewrong=2
total: 900 open/close in 3.75 seconds: 240.18 ops/second
llite.lustre-ffff9980c47cf800.statahead_max=0
1000

real	0m8.854s
user	0m0.128s
sys	0m2.801s
'statx -l' 1000 files without statahead: 9 sec
llite.lustre-ffff9980c47cf800.statahead_max=128
llite.lustre-ffff9980c47cf800.statahead_max=128
1000

real	0m2.927s
user	0m0.040s
sys	0m1.841s
'statx -l' 1000 files with statahead: 3 sec
statahead total: 83
statahead wrong: 2
agl total: 81
list_total: 26
fname_total: 45
hit_total: 2782
miss_total: 1122
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 7 seconds
llite.lustre-ffff9980c47cf800.statahead_stats=
statahead total: 83
statahead wrong: 2
agl total: 81
list_total: 26
fname_total: 45
hit_total: 2782
miss_total: 1122
mdc.lustre-MDT0000-mdc-ffff9980c47cf800.batch_stats=
snapshot_time:            1786193558.397363409 secs.nsecs
start_time:               1786193527.047603437 secs.nsecs
elapsed_time:             31.349759972 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        19  48  48
2:		         1   2  51
4:		         1   2  53
8:		         4  10  64
16:		         1   2  66
32:		         3   7  74
64:		        10  25 100
mdc.lustre-MDT0001-mdc-ffff9980c47cf800.batch_stats=
snapshot_time:            1786193558.397457624 secs.nsecs
start_time:               1786193527.047709667 secs.nsecs
elapsed_time:             31.349747957 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        20  47  47
2:		         4   9  57
4:		         2   4  61
8:		         1   2  64
16:		         1   2  66
32:		         3   7  73
64:		        11  26 100
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