== sanity test 123ab: verify statahead work by using statx ========================================================== 09:27:46 (1775222866)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9b4607f9e800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9b4607f9e800.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.53 seconds: 65.39 ops/second
llite.lustre-ffff9b4607f9e800.statahead_max=0
100

real	0m1.437s
user	0m0.012s
sys	0m0.292s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9b4607f9e800.statahead_max=128
128
100

real	0m0.503s
user	0m0.011s
sys	0m0.242s
statx -l 100 files with statahead: 0 sec
statahead total: 101
statahead wrong: 2
agl total: 98
list_total: 28
fname_total: 73
hit_total: 4461
miss_total: 1183
total: 900 open/close in 7.82 seconds: 115.15 ops/second
llite.lustre-ffff9b4607f9e800.statahead_max=0
1000

real	0m14.095s
user	0m0.088s
sys	0m2.861s
statx -l 1000 files without statahead: 14 sec
llite.lustre-ffff9b4607f9e800.statahead_max=128
128
1000

real	0m3.380s
user	0m0.049s
sys	0m1.571s
statx -l 1000 files with statahead: 3 sec
statahead total: 102
statahead wrong: 2
agl total: 99
list_total: 29
fname_total: 73
hit_total: 5460
miss_total: 1183
 - open/close 1168 (time 1775222916.70 total 10.00 last 116.76)
total: 2000 open/close in 17.51 seconds: 114.19 ops/second
llite.lustre-ffff9b4607f9e800.statahead_max=0
3000

real	0m45.722s
user	0m0.235s
sys	0m8.413s
statx -l 3000 files without statahead: 46 sec
llite.lustre-ffff9b4607f9e800.statahead_max=128
128
3000

real	0m10.089s
user	0m0.145s
sys	0m4.792s
statx -l 3000 files with statahead: 10 sec
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 30
fname_total: 73
hit_total: 8459
miss_total: 1183
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 35 seconds
llite.lustre-ffff9b4607f9e800.statahead_stats=
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 30
fname_total: 73
hit_total: 8459
miss_total: 1183
mdc.lustre-MDT0000-mdc-ffff9b4607f9e800.batch_stats=
snapshot_time:            1775223024.168151145 secs.nsecs
start_time:               1775222869.063620843 secs.nsecs
elapsed_time:             155.104530302 secs.nsecs
subreqs per batch   batches   % cum %
1:		        50  40  40
2:		         5   4  44
4:		         7   5  49
8:		         6   4  54
16:		         2   1  56
32:		        14  11  67
64:		        41  32 100
mdc.lustre-MDT0001-mdc-ffff9b4607f9e800.batch_stats=
snapshot_time:            1775223024.168230850 secs.nsecs
start_time:               1775222869.063697026 secs.nsecs
elapsed_time:             155.104533824 secs.nsecs
subreqs per batch   batches   % cum %
1:		        63  47  47
2:		         8   6  53
4:		         3   2  55
8:		         5   3  59
16:		         1   0  60
32:		        20  15  75
64:		        33  24 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536