== sanity test 123ab: verify statahead work by using statx ========================================================== 16:47:47 (1784407667)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9894c66fd800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9894c66fd800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.08 seconds: 92.44 ops/second
llite.lustre-ffff9894c66fd800.statahead_max=0
100

real	0m0.994s
user	0m0.011s
sys	0m0.299s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff9894c66fd800.statahead_max=128
llite.lustre-ffff9894c66fd800.statahead_max=128
100

real	0m0.516s
user	0m0.008s
sys	0m0.261s
'statx -l' 100 files with statahead: 1 sec
statahead total: 128
statahead wrong: 2
agl total: 124
list_total: 26
fname_total: 102
hit_total: 1762
miss_total: 932
swrong=2 ewrong=2
total: 900 open/close in 3.22 seconds: 279.68 ops/second
llite.lustre-ffff9894c66fd800.statahead_max=0
1000

real	0m7.609s
user	0m0.062s
sys	0m2.676s
'statx -l' 1000 files without statahead: 7 sec
llite.lustre-ffff9894c66fd800.statahead_max=128
llite.lustre-ffff9894c66fd800.statahead_max=128
1000

real	0m3.011s
user	0m0.045s
sys	0m1.912s
'statx -l' 1000 files with statahead: 3 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 27
fname_total: 102
hit_total: 2761
miss_total: 932
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 6 seconds
llite.lustre-ffff9894c66fd800.statahead_stats=
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 27
fname_total: 102
hit_total: 2761
miss_total: 932
mdc.lustre-MDT0000-mdc-ffff9894c66fd800.batch_stats=
snapshot_time:            1784407698.563878232 secs.nsecs
start_time:               1784407668.710916884 secs.nsecs
elapsed_time:             29.852961348 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        20  50  50
2:		         3   7  57
4:		         1   2  60
8:		         2   5  65
16:		         0   0  65
32:		         5  12  77
64:		         9  22 100
mdc.lustre-MDT0001-mdc-ffff9894c66fd800.batch_stats=
snapshot_time:            1784407698.563941084 secs.nsecs
start_time:               1784407668.710993709 secs.nsecs
elapsed_time:             29.852947375 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  27  27
2:		         3  10  37
4:		         2   6  44
8:		         2   6  51
16:		         0   0  51
32:		         5  17  68
64:		         9  31 100
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