== sanity test 123ab: verify statahead work by using statx ========================================================== 06:22:13 (1787739733)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8e8a810c4000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8e8a810c4000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.38 seconds: 42.01 ops/second
llite.lustre-ffff8e8a810c4000.statahead_max=0
100

real	0m1.903s
user	0m0.010s
sys	0m0.278s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8e8a810c4000.statahead_max=128
llite.lustre-ffff8e8a810c4000.statahead_max=128
100

real	0m1.084s
user	0m0.006s
sys	0m0.127s
'statx -l' 100 files with statahead: 1 sec
statahead total: 111
statahead wrong: 2
agl total: 108
list_total: 25
fname_total: 86
hit_total: 1848
miss_total: 1261
swrong=2 ewrong=2
 - open/close 764 (time 1787739761.63 total 10.01 last 76.35)
total: 900 open/close in 11.96 seconds: 75.22 ops/second
llite.lustre-ffff8e8a810c4000.statahead_max=0
1000

real	0m19.954s
user	0m0.061s
sys	0m2.593s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff8e8a810c4000.statahead_max=128
llite.lustre-ffff8e8a810c4000.statahead_max=128
1000

real	0m7.450s
user	0m0.051s
sys	0m1.255s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 112
statahead wrong: 2
agl total: 109
list_total: 26
fname_total: 86
hit_total: 2847
miss_total: 1261
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 21 seconds
llite.lustre-ffff8e8a810c4000.statahead_stats=
statahead total: 112
statahead wrong: 2
agl total: 109
list_total: 26
fname_total: 86
hit_total: 2847
miss_total: 1261
mdc.lustre-MDT0000-mdc-ffff8e8a810c4000.batch_stats=
snapshot_time:            1787739826.832885760 secs.nsecs
start_time:               1787739738.871627552 secs.nsecs
elapsed_time:             87.961258208 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
2:		         0   0   0
4:		         0   0   0
8:		         3  14  14
16:		         2   9  23
32:		         5  23  47
64:		        11  52 100
mdc.lustre-MDT0001-mdc-ffff8e8a810c4000.batch_stats=
snapshot_time:            1787739826.832975598 secs.nsecs
start_time:               1787739738.882571419 secs.nsecs
elapsed_time:             87.950404179 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
2:		         3  15  15
4:		         1   5  21
8:		         1   5  26
16:		         0   0  26
32:		         7  36  63
64:		         7  36 100
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