== sanity test 123ab: verify statahead work by using statx ========================================================== 12:13:45 (1772471625)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff99f5527a2000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff99f5527a2000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.12 seconds: 47.23 ops/second
llite.lustre-ffff99f5527a2000.statahead_max=0
100

real	0m2.385s
user	0m0.009s
sys	0m0.278s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff99f5527a2000.statahead_max=128
128
100

real	0m0.990s
user	0m0.006s
sys	0m0.129s
statx -l 100 files with statahead: 1 sec
statahead total: 86
statahead wrong: 1
agl total: 84
list_total: 26
fname_total: 60
hit_total: 3628
miss_total: 236
 - open/close 765 (time 1772471653.18 total 10.01 last 76.44)
total: 900 open/close in 11.94 seconds: 75.41 ops/second
llite.lustre-ffff99f5527a2000.statahead_max=0
1000

real	0m19.692s
user	0m0.075s
sys	0m2.464s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff99f5527a2000.statahead_max=128
128
1000

real	0m6.475s
user	0m0.056s
sys	0m1.204s
statx -l 1000 files with statahead: 6 sec
statahead total: 87
statahead wrong: 1
agl total: 85
list_total: 27
fname_total: 60
hit_total: 4627
miss_total: 236
 - open/close 958 (time 1772471701.67 total 10.01 last 95.75)
total: 1000 open/close in 10.50 seconds: 95.26 ops/second
llite.lustre-ffff99f5527a2000.statahead_max=0
2000

real	0m44.847s
user	0m0.147s
sys	0m5.042s
statx -l 2000 files without statahead: 44 sec
llite.lustre-ffff99f5527a2000.statahead_max=128
128
2000

real	0m17.505s
user	0m0.127s
sys	0m2.446s
statx -l 2000 files with statahead: 17 sec
statahead total: 88
statahead wrong: 1
agl total: 86
list_total: 28
fname_total: 60
hit_total: 6626
miss_total: 236
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 39 seconds
llite.lustre-ffff99f5527a2000.statahead_stats=
statahead total: 88
statahead wrong: 1
agl total: 86
list_total: 28
fname_total: 60
hit_total: 6626
miss_total: 236
mdc.lustre-MDT0000-mdc-ffff99f5527a2000.batch_stats=
snapshot_time:            1772471821.808112271 secs.nsecs
start_time:               1772471629.673743355 secs.nsecs
elapsed_time:             192.134368916 secs.nsecs
subreqs per batch   batches   % cum %
1:		        11  15  15
2:		         6   8  24
4:		         2   2  27
8:		         5   7  34
16:		         3   4  38
32:		        18  25  64
64:		        25  35 100
mdc.lustre-MDT0001-mdc-ffff99f5527a2000.batch_stats=
snapshot_time:            1772471821.808383181 secs.nsecs
start_time:               1772471629.673890998 secs.nsecs
elapsed_time:             192.134492183 secs.nsecs
subreqs per batch   batches   % cum %
1:		        10  15  15
2:		         1   1  16
4:		         4   6  23
8:		         5   7  30
16:		         3   4  35
32:		        15  23  58
64:		        27  41 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536