== sanity test 123ab: verify statahead work by using statx ========================================================== 22:52:23 (1763351543)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8d9f0898e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8d9f0898e800.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.67 seconds: 37.40 ops/second
llite.lustre-ffff8d9f0898e800.statahead_max=0
100

real	0m2.645s
user	0m0.012s
sys	0m0.348s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8d9f0898e800.statahead_max=128
128
100

real	0m0.821s
user	0m0.005s
sys	0m0.130s
statx -l 100 files with statahead: 1 sec
statahead total: 120
statahead wrong: 2
agl total: 117
list_total: 27
fname_total: 93
hit_total: 4043
miss_total: 1261
 - open/close 879 (time 1763351569.76 total 10.00 last 87.86)
total: 900 open/close in 10.23 seconds: 87.96 ops/second
llite.lustre-ffff8d9f0898e800.statahead_max=0
1000

real	0m18.604s
user	0m0.074s
sys	0m2.640s
statx -l 1000 files without statahead: 19 sec
llite.lustre-ffff8d9f0898e800.statahead_max=128
128
1000

real	0m4.026s
user	0m0.050s
sys	0m1.286s
statx -l 1000 files with statahead: 4 sec
statahead total: 121
statahead wrong: 2
agl total: 118
list_total: 28
fname_total: 93
hit_total: 5042
miss_total: 1261
 - open/close 829 (time 1763351611.00 total 10.00 last 82.90)
total: 1000 open/close in 12.22 seconds: 81.85 ops/second
llite.lustre-ffff8d9f0898e800.statahead_max=0
2000

real	0m39.282s
user	0m0.153s
sys	0m5.475s
statx -l 2000 files without statahead: 39 sec
llite.lustre-ffff8d9f0898e800.statahead_max=128
128
2000

real	0m9.170s
user	0m0.103s
sys	0m2.220s
statx -l 2000 files with statahead: 10 sec
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 29
fname_total: 93
hit_total: 7041
miss_total: 1261
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 31 seconds
llite.lustre-ffff8d9f0898e800.statahead_stats=
statahead total: 122
statahead wrong: 2
agl total: 119
list_total: 29
fname_total: 93
hit_total: 7041
miss_total: 1261
mdc.lustre-MDT0000-mdc-ffff8d9f0898e800.batch_stats=
snapshot_time:            1763351704.276791126 secs.nsecs
start_time:               1763351547.064381924 secs.nsecs
elapsed_time:             157.212409202 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   8   8
2:		         4   7  15
4:		         4   7  22
8:		         0   0  22
16:		         3   5  28
32:		         9  15  43
64:		        32  56 100
mdc.lustre-MDT0001-mdc-ffff8d9f0898e800.batch_stats=
snapshot_time:            1763351704.276866292 secs.nsecs
start_time:               1763351547.065267364 secs.nsecs
elapsed_time:             157.211598928 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  12  12
2:		         0   0  12
4:		         1   1  14
8:		         6  10  25
16:		         1   1  26
32:		        11  19  46
64:		        30  53 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536