== sanity test 123ab: verify statahead work by using statx ========================================================== 02:52:08 (1788591128)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff91d091dc2000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff91d091dc2000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.77 seconds: 36.10 ops/second
llite.lustre-ffff91d091dc2000.statahead_max=0
100

real	0m2.705s
user	0m0.013s
sys	0m0.281s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff91d091dc2000.statahead_max=128
llite.lustre-ffff91d091dc2000.statahead_max=128
100

real	0m1.054s
user	0m0.009s
sys	0m0.157s
'statx -l' 100 files with statahead: 1 sec
statahead total: 127
statahead wrong: 2
agl total: 123
list_total: 26
fname_total: 100
hit_total: 1743
miss_total: 1565
swrong=2 ewrong=2
 - open/close 774 (time 1788591157.13 total 10.00 last 77.38)
total: 900 open/close in 11.80 seconds: 76.27 ops/second
llite.lustre-ffff91d091dc2000.statahead_max=0
1000

real	0m21.238s
user	0m0.078s
sys	0m2.695s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff91d091dc2000.statahead_max=128
llite.lustre-ffff91d091dc2000.statahead_max=128
1000

real	0m6.746s
user	0m0.085s
sys	0m1.353s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 128
statahead wrong: 2
agl total: 124
list_total: 27
fname_total: 100
hit_total: 2742
miss_total: 1565
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 24 seconds
llite.lustre-ffff91d091dc2000.statahead_stats=
statahead total: 128
statahead wrong: 2
agl total: 124
list_total: 27
fname_total: 100
hit_total: 2742
miss_total: 1565
mdc.lustre-MDT0000-mdc-ffff91d091dc2000.batch_stats=
snapshot_time:            1788591226.333146144 secs.nsecs
start_time:               1788591133.321700866 secs.nsecs
elapsed_time:             93.011445278 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         0   0   4
4:		         3  14  19
8:		         1   4  23
16:		         2   9  33
32:		         3  14  47
64:		        11  52 100
mdc.lustre-MDT0001-mdc-ffff91d091dc2000.batch_stats=
snapshot_time:            1788591226.333226414 secs.nsecs
start_time:               1788591133.324896908 secs.nsecs
elapsed_time:             93.008329506 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  13  13
2:		         0   0  13
4:		         1   4  17
8:		         4  17  34
16:		         1   4  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