== sanity test 123ab: verify statahead work by using statx ========================================================== 19:39:14 (1787873954)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff95fe8648d800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff95fe8648d800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.33 seconds: 42.93 ops/second
llite.lustre-ffff95fe8648d800.statahead_max=0
100

real	0m1.654s
user	0m0.008s
sys	0m0.268s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff95fe8648d800.statahead_max=128
llite.lustre-ffff95fe8648d800.statahead_max=128
100

real	0m0.872s
user	0m0.009s
sys	0m0.152s
'statx -l' 100 files with statahead: 1 sec
statahead total: 163
statahead wrong: 2
agl total: 159
list_total: 27
fname_total: 119
hit_total: 1364
miss_total: 1008
swrong=2 ewrong=2
total: 900 open/close in 9.03 seconds: 99.72 ops/second
llite.lustre-ffff95fe8648d800.statahead_max=0
1000

real	0m22.096s
user	0m0.088s
sys	0m2.772s
'statx -l' 1000 files without statahead: 22 sec
llite.lustre-ffff95fe8648d800.statahead_max=128
llite.lustre-ffff95fe8648d800.statahead_max=128
1000

real	0m5.664s
user	0m0.058s
sys	0m1.171s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 164
statahead wrong: 2
agl total: 160
list_total: 28
fname_total: 119
hit_total: 2362
miss_total: 1009
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds
llite.lustre-ffff95fe8648d800.statahead_stats=
statahead total: 164
statahead wrong: 2
agl total: 160
list_total: 28
fname_total: 119
hit_total: 2362
miss_total: 1009
mdc.lustre-MDT0000-mdc-ffff95fe8648d800.batch_stats=
snapshot_time:            1787874040.196231830 secs.nsecs
start_time:               1787873959.147744101 secs.nsecs
elapsed_time:             81.048487729 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  16  16
2:		         0   0  16
4:		         3  12  28
8:		         4  16  44
16:		         0   0  44
32:		         2   8  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff95fe8648d800.batch_stats=
snapshot_time:            1787874040.196294667 secs.nsecs
start_time:               1787873959.154630448 secs.nsecs
elapsed_time:             81.041664219 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         0   0   8
4:		         1   4  13
8:		         4  17  30
16:		         2   8  39
32:		         5  21  60
64:		         9  39 100
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