== sanity test 123ab: verify statahead work by using statx ========================================================== 06:06:59 (1743502019)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8f52c8c49000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8f52c8c49000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.22 seconds: 82.20 ops/second
llite.lustre-ffff8f52c8c49000.statahead_max=0
100

real	0m1.276s
user	0m0.009s
sys	0m0.477s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8f52c8c49000.statahead_max=128
128
100

real	0m0.598s
user	0m0.004s
sys	0m0.369s
statx -l 100 files with statahead: 1 sec
statahead total: 100
statahead wrong: 2
agl total: 95
list_total: 27
fname_total: 68
hit_total: 5395
miss_total: 1601
total: 900 open/close in 4.95 seconds: 181.69 ops/second
llite.lustre-ffff8f52c8c49000.statahead_max=0
1000

real	0m11.171s
user	0m0.084s
sys	0m4.182s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff8f52c8c49000.statahead_max=128
128
1000

real	0m5.055s
user	0m0.054s
sys	0m3.234s
statx -l 1000 files with statahead: 5 sec
statahead total: 101
statahead wrong: 2
agl total: 96
list_total: 28
fname_total: 68
hit_total: 6394
miss_total: 1601
 - open/close 1655 (time 1743502073.64 total 10.00 last 165.49)
total: 3000 open/close in 18.21 seconds: 164.75 ops/second
llite.lustre-ffff8f52c8c49000.statahead_max=0
4000

real	0m42.029s
user	0m0.290s
sys	0m16.130s
statx -l 4000 files without statahead: 42 sec
llite.lustre-ffff8f52c8c49000.statahead_max=128
128
4000

real	0m18.630s
user	0m0.171s
sys	0m12.089s
statx -l 4000 files with statahead: 19 sec
statahead total: 102
statahead wrong: 2
agl total: 97
list_total: 29
fname_total: 68
hit_total: 10393
miss_total: 1601
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 38 seconds
llite.lustre-ffff8f52c8c49000.statahead_stats=
statahead total: 102
statahead wrong: 2
agl total: 97
list_total: 29
fname_total: 68
hit_total: 10393
miss_total: 1601
mdc.lustre-MDT0000-mdc-ffff8f52c8c49000.batch_stats=
snapshot_time:            1743502196.686405854 secs.nsecs
start_time:               1743502023.580477188 secs.nsecs
elapsed_time:             173.105928666 secs.nsecs
subreqs per batch   batches   % cum %
1:		        26  24  24
2:		         3   2  27
4:		         1   0  28
8:		         5   4  33
16:		         3   2  36
32:		         5   4  40
64:		        62  59 100
mdc.lustre-MDT0001-mdc-ffff8f52c8c49000.batch_stats=
snapshot_time:            1743502196.686696739 secs.nsecs
start_time:               1743502023.580778495 secs.nsecs
elapsed_time:             173.105918244 secs.nsecs
subreqs per batch   batches   % cum %
1:		        34  31  31
2:		         2   1  33
4:		         4   3  36
8:		         1   0  37
16:		         1   0  38
32:		        21  19  57
64:		        46  42 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536