== sanity test 123ab: verify statahead work by using statx ========================================================== 21:38:50 (1767321530)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9c99116fd000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9c99116fd000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.16 seconds: 46.35 ops/second
llite.lustre-ffff9c99116fd000.statahead_max=0
100

real	0m1.761s
user	0m0.009s
sys	0m0.255s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9c99116fd000.statahead_max=128
128
100

real	0m0.725s
user	0m0.012s
sys	0m0.143s
statx -l 100 files with statahead: 1 sec
statahead total: 128
statahead wrong: 2
agl total: 124
list_total: 27
fname_total: 94
hit_total: 1822
miss_total: 1397
 - open/close 860 (time 1767321555.20 total 10.01 last 85.94)
total: 900 open/close in 10.55 seconds: 85.31 ops/second
llite.lustre-ffff9c99116fd000.statahead_max=0
1000

real	0m17.290s
user	0m0.063s
sys	0m2.529s
statx -l 1000 files without statahead: 17 sec
llite.lustre-ffff9c99116fd000.statahead_max=128
128
1000

real	0m4.999s
user	0m0.054s
sys	0m1.242s
statx -l 1000 files with statahead: 5 sec
statahead total: 129
statahead wrong: 2
agl total: 125
list_total: 28
fname_total: 94
hit_total: 2821
miss_total: 1397
 - open/close 760 (time 1767321597.48 total 10.01 last 75.96)
total: 1000 open/close in 12.56 seconds: 79.61 ops/second
llite.lustre-ffff9c99116fd000.statahead_max=0
2000

real	0m35.850s
user	0m0.164s
sys	0m5.085s
statx -l 2000 files without statahead: 36 sec
llite.lustre-ffff9c99116fd000.statahead_max=128
128
2000

real	0m11.116s
user	0m0.132s
sys	0m2.451s
statx -l 2000 files with statahead: 11 sec
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 29
fname_total: 94
hit_total: 4820
miss_total: 1397
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff9c99116fd000.statahead_stats=
statahead total: 130
statahead wrong: 2
agl total: 126
list_total: 29
fname_total: 94
hit_total: 4820
miss_total: 1397
mdc.lustre-MDT0000-mdc-ffff9c99116fd000.batch_stats=
snapshot_time:            1767321696.716702234 secs.nsecs
start_time:               1767321534.716966664 secs.nsecs
elapsed_time:             161.999735570 secs.nsecs
subreqs per batch   batches   % cum %
1:		         6   9   9
2:		         4   6  15
4:		         3   4  20
8:		         7  10  31
16:		         3   4  35
32:		         8  12  48
64:		        33  51 100
mdc.lustre-MDT0001-mdc-ffff9c99116fd000.batch_stats=
snapshot_time:            1767321696.716777464 secs.nsecs
start_time:               1767321534.717138495 secs.nsecs
elapsed_time:             161.999638969 secs.nsecs
subreqs per batch   batches   % cum %
1:		         8  12  12
2:		         9  14  27
4:		         4   6  33
8:		         1   1  35
16:		         0   0  35
32:		        14  22  58
64:		        26  41 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536