== sanity test 123ab: verify statahead work by using statx ========================================================== 08:23:44 (1787747024)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9d0c92157800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d0c92157800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.86 seconds: 35.00 ops/second
llite.lustre-ffff9d0c92157800.statahead_max=0
100

real	0m3.028s
user	0m0.013s
sys	0m0.310s
'statx -l' 100 files without statahead: 3 sec
llite.lustre-ffff9d0c92157800.statahead_max=128
llite.lustre-ffff9d0c92157800.statahead_max=128
100

real	0m0.865s
user	0m0.010s
sys	0m0.160s
'statx -l' 100 files with statahead: 0 sec
statahead total: 152
statahead wrong: 2
agl total: 147
list_total: 26
fname_total: 125
hit_total: 1462
miss_total: 1395
swrong=2 ewrong=2
 - open/close 810 (time 1787747055.72 total 10.00 last 80.98)
total: 900 open/close in 11.24 seconds: 80.09 ops/second
llite.lustre-ffff9d0c92157800.statahead_max=0
1000

real	0m18.792s
user	0m0.084s
sys	0m2.689s
'statx -l' 1000 files without statahead: 19 sec
llite.lustre-ffff9d0c92157800.statahead_max=128
llite.lustre-ffff9d0c92157800.statahead_max=128
1000

real	0m6.748s
user	0m0.079s
sys	0m1.217s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 153
statahead wrong: 2
agl total: 148
list_total: 27
fname_total: 125
hit_total: 2461
miss_total: 1395
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 22 seconds
llite.lustre-ffff9d0c92157800.statahead_stats=
statahead total: 153
statahead wrong: 2
agl total: 148
list_total: 27
fname_total: 125
hit_total: 2461
miss_total: 1395
mdc.lustre-MDT0000-mdc-ffff9d0c92157800.batch_stats=
snapshot_time:            1787747119.321387934 secs.nsecs
start_time:               1787747031.034152220 secs.nsecs
elapsed_time:             88.287235714 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         1   4   4
2:		         1   4   8
4:		         2   8  17
8:		         3  13  30
16:		         1   4  34
32:		         3  13  47
64:		        12  52 100
mdc.lustre-MDT0001-mdc-ffff9d0c92157800.batch_stats=
snapshot_time:            1787747119.321466204 secs.nsecs
start_time:               1787747031.034238268 secs.nsecs
elapsed_time:             88.287227936 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2  10  10
2:		         0   0  10
4:		         3  15  25
8:		         1   5  30
16:		         1   5  35
32:		         7  35  70
64:		         6  30 100
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