== sanity test 123ab: verify statahead work by using statx ========================================================== 03:46:14 (1753429574)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa003c50eb000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa003c50eb000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.81 seconds: 123.10 ops/second
llite.lustre-ffffa003c50eb000.statahead_max=0
100

real	0m0.630s
user	0m0.006s
sys	0m0.221s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffffa003c50eb000.statahead_max=128
128
100

real	0m0.476s
user	0m0.004s
sys	0m0.215s
statx -l 100 files with statahead: 0 sec
statahead total: 78
statahead wrong: 1
agl total: 76
list_total: 24
fname_total: 54
hit_total: 11488
miss_total: 218
total: 900 open/close in 1.74 seconds: 516.55 ops/second
llite.lustre-ffffa003c50eb000.statahead_max=0
1000

real	0m5.877s
user	0m0.052s
sys	0m2.056s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffffa003c50eb000.statahead_max=128
128
1000

real	0m2.954s
user	0m0.032s
sys	0m1.663s
statx -l 1000 files with statahead: 3 sec
statahead total: 79
statahead wrong: 1
agl total: 77
list_total: 25
fname_total: 54
hit_total: 12487
miss_total: 218
 - open/close 4631 (time 1753429603.50 total 10.00 last 463.05)
total: 9000 open/close in 19.67 seconds: 457.62 ops/second
llite.lustre-ffffa003c50eb000.statahead_max=0
10000

real	1m3.359s
user	0m0.566s
sys	0m21.804s
statx -l 10000 files without statahead: 63 sec
llite.lustre-ffffa003c50eb000.statahead_max=128
128
10000

real	0m27.346s
user	0m0.271s
sys	0m15.287s
statx -l 10000 files with statahead: 27 sec
statahead total: 80
statahead wrong: 1
agl total: 78
list_total: 26
fname_total: 54
hit_total: 22486
miss_total: 218
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 59 seconds
llite.lustre-ffffa003c50eb000.statahead_stats=
statahead total: 80
statahead wrong: 1
agl total: 78
list_total: 26
fname_total: 54
hit_total: 22486
miss_total: 218
mdc.lustre-MDT0000-mdc-ffffa003c50eb000.batch_stats=
snapshot_time:            1753429775.673596726 secs.nsecs
start_time:               1753429575.764170063 secs.nsecs
elapsed_time:             199.909426663 secs.nsecs
subreqs per batch   batches   % cum %
1:		       126  42  42
2:		        13   4  46
4:		         4   1  48
8:		         4   1  49
16:		         1   0  49
32:		        39  13  62
64:		       110  37 100
mdc.lustre-MDT0001-mdc-ffffa003c50eb000.batch_stats=
snapshot_time:            1753429775.673664225 secs.nsecs
start_time:               1753429575.764321046 secs.nsecs
elapsed_time:             199.909343179 secs.nsecs
subreqs per batch   batches   % cum %
1:		       118  41  41
2:		         8   2  43
4:		         8   2  46
8:		         4   1  48
16:		         0   0  48
32:		        42  14  62
64:		       107  37 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536