== sanity test 123ab: verify statahead work by using statx ========================================================== 12:36:34 (1777566994)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9f0b4ad83000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9f0b4ad83000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.79 seconds: 126.81 ops/second
llite.lustre-ffff9f0b4ad83000.statahead_max=0
100

real	0m0.747s
user	0m0.012s
sys	0m0.256s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9f0b4ad83000.statahead_max=128
128
100

real	0m0.358s
user	0m0.008s
sys	0m0.186s
statx -l 100 files with statahead: 0 sec
statahead total: 48
statahead wrong: 1
agl total: 47
list_total: 20
fname_total: 28
hit_total: 11547
miss_total: 185
total: 900 open/close in 2.51 seconds: 359.11 ops/second
llite.lustre-ffff9f0b4ad83000.statahead_max=0
1000

real	0m6.934s
user	0m0.074s
sys	0m2.413s
statx -l 1000 files without statahead: 7 sec
llite.lustre-ffff9f0b4ad83000.statahead_max=128
128
1000

real	0m2.652s
user	0m0.035s
sys	0m1.802s
statx -l 1000 files with statahead: 3 sec
statahead total: 49
statahead wrong: 1
agl total: 48
list_total: 21
fname_total: 28
hit_total: 12546
miss_total: 185
 - open/close 3932 (time 1777567025.43 total 10.00 last 393.14)
 - open/close 7830 (time 1777567035.43 total 20.00 last 389.70)
total: 9000 open/close in 23.21 seconds: 387.70 ops/second
llite.lustre-ffff9f0b4ad83000.statahead_max=0
10000

real	1m2.315s
user	0m0.604s
sys	0m21.977s
statx -l 10000 files without statahead: 62 sec
llite.lustre-ffff9f0b4ad83000.statahead_max=128
128
10000

real	0m25.516s
user	0m0.301s
sys	0m16.896s
statx -l 10000 files with statahead: 25 sec
statahead total: 50
statahead wrong: 1
agl total: 49
list_total: 22
fname_total: 28
hit_total: 22545
miss_total: 185
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 62 seconds
llite.lustre-ffff9f0b4ad83000.statahead_stats=
statahead total: 50
statahead wrong: 1
agl total: 49
list_total: 22
fname_total: 28
hit_total: 22545
miss_total: 185
mdc.lustre-MDT0000-mdc-ffff9f0b4ad83000.batch_stats=
snapshot_time:            1777567201.149783425 secs.nsecs
start_time:               1777566995.924795774 secs.nsecs
elapsed_time:             205.224987651 secs.nsecs
subreqs per batch   batches   % cum %
1:		       212  52  52
2:		        24   5  58
4:		        12   2  61
8:		         4   0  62
16:		         2   0  63
32:		        46  11  74
64:		       102  25 100
mdc.lustre-MDT0001-mdc-ffff9f0b4ad83000.batch_stats=
snapshot_time:            1777567201.149835210 secs.nsecs
start_time:               1777566995.924892083 secs.nsecs
elapsed_time:             205.224943127 secs.nsecs
subreqs per batch   batches   % cum %
1:		       225  56  56
2:		        15   3  59
4:		         5   1  61
8:		         7   1  62
16:		         1   0  63
32:		        39   9  72
64:		       109  27 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536