== sanity test 123ab: verify statahead work by using statx ========================================================== 07:40:40 (1782733240)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9787d23d6000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9787d23d6000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.74 seconds: 36.50 ops/second
llite.lustre-ffff9787d23d6000.statahead_max=0
100

real	0m2.539s
user	0m0.007s
sys	0m0.313s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9787d23d6000.statahead_max=128
llite.lustre-ffff9787d23d6000.statahead_max=128
100

real	0m1.256s
user	0m0.010s
sys	0m0.168s
'statx -l' 100 files with statahead: 1 sec
statahead total: 135
statahead wrong: 2
agl total: 131
list_total: 27
fname_total: 107
hit_total: 1639
miss_total: 1568
swrong=2 ewrong=2
 - open/close 632 (time 1782733270.90 total 10.02 last 63.09)
total: 900 open/close in 14.34 seconds: 62.74 ops/second
llite.lustre-ffff9787d23d6000.statahead_max=0
1000

real	0m21.428s
user	0m0.088s
sys	0m2.828s
'statx -l' 1000 files without statahead: 21 sec
llite.lustre-ffff9787d23d6000.statahead_max=128
llite.lustre-ffff9787d23d6000.statahead_max=128
1000

real	0m5.916s
user	0m0.062s
sys	0m1.330s
'statx -l' 1000 files with statahead: 5 sec
statahead total: 136
statahead wrong: 2
agl total: 132
list_total: 28
fname_total: 107
hit_total: 2638
miss_total: 1568
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 22 seconds
llite.lustre-ffff9787d23d6000.statahead_stats=
statahead total: 136
statahead wrong: 2
agl total: 132
list_total: 28
fname_total: 107
hit_total: 2638
miss_total: 1568
mdc.lustre-MDT0000-mdc-ffff9787d23d6000.batch_stats=
snapshot_time:            1782733338.224487691 secs.nsecs
start_time:               1782733246.338647299 secs.nsecs
elapsed_time:             91.885840392 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  12
4:		         1   4  16
8:		         4  16  32
16:		         2   8  40
32:		         3  12  52
64:		        12  48 100
mdc.lustre-MDT0001-mdc-ffff9787d23d6000.batch_stats=
snapshot_time:            1782733338.224556794 secs.nsecs
start_time:               1782733246.341866242 secs.nsecs
elapsed_time:             91.882690552 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         4  16  28
4:		         3  12  40
8:		         1   4  44
16:		         1   4  48
32:		         5  20  68
64:		         8  32 100
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