== sanity test 123ab: verify statahead work by using statx ========================================================== 20:36:06 (1763343366)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff986f4599f000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff986f4599f000.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.42 seconds: 41.30 ops/second
llite.lustre-ffff986f4599f000.statahead_max=0
100

real	0m2.153s
user	0m0.011s
sys	0m0.317s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff986f4599f000.statahead_max=128
128
100

real	0m0.531s
user	0m0.012s
sys	0m0.174s
statx -l 100 files with statahead: 0 sec
statahead total: 101
statahead wrong: 2
agl total: 98
list_total: 28
fname_total: 69
hit_total: 1664
miss_total: 1526
 - open/close 779 (time 1763343390.58 total 10.01 last 77.84)
total: 900 open/close in 11.78 seconds: 76.41 ops/second
llite.lustre-ffff986f4599f000.statahead_max=0
1000

real	0m20.104s
user	0m0.079s
sys	0m2.895s
statx -l 1000 files without statahead: 20 sec
llite.lustre-ffff986f4599f000.statahead_max=128
128
1000

real	0m4.147s
user	0m0.051s
sys	0m1.312s
statx -l 1000 files with statahead: 4 sec
statahead total: 102
statahead wrong: 2
agl total: 99
list_total: 29
fname_total: 69
hit_total: 2663
miss_total: 1526
 - open/close 775 (time 1763343434.98 total 10.02 last 77.36)
total: 1000 open/close in 12.95 seconds: 77.25 ops/second
llite.lustre-ffff986f4599f000.statahead_max=0
2000

real	0m41.268s
user	0m0.182s
sys	0m6.119s
statx -l 2000 files without statahead: 42 sec
llite.lustre-ffff986f4599f000.statahead_max=128
128
2000

real	0m9.715s
user	0m0.105s
sys	0m2.550s
statx -l 2000 files with statahead: 10 sec
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 30
fname_total: 69
hit_total: 4662
miss_total: 1526
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 33 seconds
llite.lustre-ffff986f4599f000.statahead_stats=
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 30
fname_total: 69
hit_total: 4662
miss_total: 1526
mdc.lustre-MDT0000-mdc-ffff986f4599f000.batch_stats=
snapshot_time:            1763343533.246678943 secs.nsecs
start_time:               1763343369.812215325 secs.nsecs
elapsed_time:             163.434463618 secs.nsecs
subreqs per batch   batches   % cum %
1:		         5   8   8
2:		         5   8  16
4:		         5   8  25
8:		         2   3  28
16:		         0   0  28
32:		        12  20  49
64:		        30  50 100
mdc.lustre-MDT0001-mdc-ffff986f4599f000.batch_stats=
snapshot_time:            1763343533.246738951 secs.nsecs
start_time:               1763343369.812333729 secs.nsecs
elapsed_time:             163.434405222 secs.nsecs
subreqs per batch   batches   % cum %
1:		         9  13  13
2:		         0   0  13
4:		         5   7  21
8:		         8  12  33
16:		         2   3  36
32:		        13  20  56
64:		        28  43 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536