== sanity test 123ab: verify statahead work by using statx ========================================================== 13:03:20 (1752512600)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff935160796000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff935160796000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.76 seconds: 132.21 ops/second
llite.lustre-ffff935160796000.statahead_max=0
100

real	0m0.661s
user	0m0.006s
sys	0m0.228s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff935160796000.statahead_max=128
128
100

real	0m0.337s
user	0m0.006s
sys	0m0.152s
statx -l 100 files with statahead: 0 sec
statahead total: 70
statahead wrong: 2
agl total: 66
list_total: 21
fname_total: 36
hit_total: 11384
miss_total: 755
total: 900 open/close in 1.94 seconds: 463.63 ops/second
llite.lustre-ffff935160796000.statahead_max=0
1000

real	0m6.110s
user	0m0.058s
sys	0m2.055s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff935160796000.statahead_max=128
128
1000

real	0m2.516s
user	0m0.031s
sys	0m1.317s
statx -l 1000 files with statahead: 3 sec
statahead total: 71
statahead wrong: 2
agl total: 67
list_total: 22
fname_total: 36
hit_total: 12383
miss_total: 755
 - open/close 4962 (time 1752512629.27 total 10.00 last 496.17)
total: 9000 open/close in 19.32 seconds: 465.87 ops/second
llite.lustre-ffff935160796000.statahead_max=0
10000

real	0m57.719s
user	0m0.553s
sys	0m19.322s
statx -l 10000 files without statahead: 57 sec
llite.lustre-ffff935160796000.statahead_max=128
128
10000

real	0m26.718s
user	0m0.276s
sys	0m15.047s
statx -l 10000 files with statahead: 27 sec
statahead total: 72
statahead wrong: 2
agl total: 68
list_total: 23
fname_total: 36
hit_total: 22382
miss_total: 755
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 62 seconds
llite.lustre-ffff935160796000.statahead_stats=
statahead total: 72
statahead wrong: 2
agl total: 68
list_total: 23
fname_total: 36
hit_total: 22382
miss_total: 755
mdc.lustre-MDT0000-mdc-ffff935160796000.batch_stats=
snapshot_time:            1752512797.614155020 secs.nsecs
start_time:               1752512601.934173067 secs.nsecs
elapsed_time:             195.679981953 secs.nsecs
subreqs per batch   batches   % cum %
1:		       149  47  47
2:		         7   2  49
4:		         5   1  51
8:		         2   0  51
16:		         3   0  52
32:		        33  10  63
64:		       116  36 100
mdc.lustre-MDT0001-mdc-ffff935160796000.batch_stats=
snapshot_time:            1752512797.614196975 secs.nsecs
start_time:               1752512601.934247215 secs.nsecs
elapsed_time:             195.679949760 secs.nsecs
subreqs per batch   batches   % cum %
1:		       127  42  42
2:		        12   4  46
4:		         8   2  49
8:		         2   0  50
16:		         1   0  50
32:		        40  13  63
64:		       108  36 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536