== sanity test 123ab: verify statahead work by using statx ========================================================== 12:50:02 (1789059002)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff962620072800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff962620072800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.62 seconds: 38.13 ops/second
llite.lustre-ffff962620072800.statahead_max=0
100

real	0m2.112s
user	0m0.009s
sys	0m0.309s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff962620072800.statahead_max=128
llite.lustre-ffff962620072800.statahead_max=128
100

real	0m0.759s
user	0m0.008s
sys	0m0.156s
'statx -l' 100 files with statahead: 1 sec
statahead total: 131
statahead wrong: 2
agl total: 127
list_total: 27
fname_total: 84
hit_total: 1501
miss_total: 1371
swrong=2 ewrong=2
total: 900 open/close in 9.73 seconds: 92.49 ops/second
llite.lustre-ffff962620072800.statahead_max=0
1000

real	0m23.813s
user	0m0.078s
sys	0m2.658s
'statx -l' 1000 files without statahead: 24 sec
llite.lustre-ffff962620072800.statahead_max=128
llite.lustre-ffff962620072800.statahead_max=128
1000

real	0m5.621s
user	0m0.066s
sys	0m1.299s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 132
statahead wrong: 2
agl total: 128
list_total: 28
fname_total: 84
hit_total: 2500
miss_total: 1371
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 22 seconds
llite.lustre-ffff962620072800.statahead_stats=
statahead total: 132
statahead wrong: 2
agl total: 128
list_total: 28
fname_total: 84
hit_total: 2500
miss_total: 1371
mdc.lustre-MDT0000-mdc-ffff962620072800.batch_stats=
snapshot_time:            1789059091.015729334 secs.nsecs
start_time:               1789059006.160176325 secs.nsecs
elapsed_time:             84.855553009 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   8   8
2:		         1   4  13
4:		         2   8  21
8:		         2   8  30
16:		         1   4  34
32:		         2   8  43
64:		        13  56 100
mdc.lustre-MDT0001-mdc-ffff962620072800.batch_stats=
snapshot_time:            1789059091.016940085 secs.nsecs
start_time:               1789059006.160915389 secs.nsecs
elapsed_time:             84.856024696 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  19  19
2:		         1   4  23
4:		         3  14  38
8:		         0   0  38
16:		         0   0  38
32:		         6  28  66
64:		         7  33 100
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