== sanity test 123ab: verify statahead work by using statx ========================================================== 22:50:15 (1789267815)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8a134809b000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a134809b000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.35 seconds: 42.57 ops/second
llite.lustre-ffff8a134809b000.statahead_max=0
100

real	0m2.077s
user	0m0.008s
sys	0m0.273s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff8a134809b000.statahead_max=128
llite.lustre-ffff8a134809b000.statahead_max=128
100

real	0m0.853s
user	0m0.006s
sys	0m0.146s
'statx -l' 100 files with statahead: 1 sec
statahead total: 138
statahead wrong: 2
agl total: 134
list_total: 27
fname_total: 111
hit_total: 1518
miss_total: 1471
swrong=2 ewrong=2
 - open/close 872 (time 1789267841.11 total 10.00 last 87.18)
total: 900 open/close in 10.50 seconds: 85.74 ops/second
llite.lustre-ffff8a134809b000.statahead_max=0
1000

real	0m19.832s
user	0m0.084s
sys	0m2.502s
'statx -l' 1000 files without statahead: 20 sec
llite.lustre-ffff8a134809b000.statahead_max=128
llite.lustre-ffff8a134809b000.statahead_max=128
1000

real	0m5.012s
user	0m0.060s
sys	0m1.221s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 139
statahead wrong: 2
agl total: 135
list_total: 28
fname_total: 111
hit_total: 2517
miss_total: 1471
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff8a134809b000.statahead_stats=
statahead total: 139
statahead wrong: 2
agl total: 135
list_total: 28
fname_total: 111
hit_total: 2517
miss_total: 1471
mdc.lustre-MDT0000-mdc-ffff8a134809b000.batch_stats=
snapshot_time:            1789267897.002546211 secs.nsecs
start_time:               1789267819.820430080 secs.nsecs
elapsed_time:             77.182116131 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         3  12  20
4:		         1   4  24
8:		         2   8  32
16:		         3  12  44
32:		         2   8  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff8a134809b000.batch_stats=
snapshot_time:            1789267897.002628458 secs.nsecs
start_time:               1789267819.820668120 secs.nsecs
elapsed_time:             77.181960338 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         8  29  29
2:		         2   7  37
4:		         2   7  44
8:		         2   7  51
16:		         0   0  51
32:		         7  25  77
64:		         6  22 100
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