== sanity test 123ab: verify statahead work by using statx ========================================================== 06:06:04 (1769079964)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9a1408270800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9a1408270800.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.41 seconds: 41.43 ops/second
llite.lustre-ffff9a1408270800.statahead_max=0
100

real	0m1.575s
user	0m0.006s
sys	0m0.271s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9a1408270800.statahead_max=128
128
100

real	0m0.724s
user	0m0.010s
sys	0m0.144s
statx -l 100 files with statahead: 1 sec
statahead total: 115
statahead wrong: 2
agl total: 111
list_total: 27
fname_total: 87
hit_total: 3709
miss_total: 1570
total: 900 open/close in 9.79 seconds: 91.97 ops/second
llite.lustre-ffff9a1408270800.statahead_max=0
1000

real	0m17.221s
user	0m0.057s
sys	0m2.524s
statx -l 1000 files without statahead: 17 sec
llite.lustre-ffff9a1408270800.statahead_max=128
128
1000

real	0m4.648s
user	0m0.057s
sys	0m1.179s
statx -l 1000 files with statahead: 4 sec
statahead total: 116
statahead wrong: 2
agl total: 112
list_total: 28
fname_total: 87
hit_total: 4708
miss_total: 1570
 - open/close 917 (time 1769080029.28 total 10.00 last 91.68)
total: 1000 open/close in 11.07 seconds: 90.30 ops/second
llite.lustre-ffff9a1408270800.statahead_max=0
2000

real	0m33.537s
user	0m0.141s
sys	0m4.980s
statx -l 2000 files without statahead: 33 sec
llite.lustre-ffff9a1408270800.statahead_max=128
128
2000

real	0m8.738s
user	0m0.121s
sys	0m2.374s
statx -l 2000 files with statahead: 9 sec
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 29
fname_total: 87
hit_total: 6707
miss_total: 1570
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 28 seconds
llite.lustre-ffff9a1408270800.statahead_stats=
statahead total: 117
statahead wrong: 2
agl total: 113
list_total: 29
fname_total: 87
hit_total: 6707
miss_total: 1570
mdc.lustre-MDT0000-mdc-ffff9a1408270800.batch_stats=
snapshot_time:            1769080111.357825949 secs.nsecs
start_time:               1769079968.352719930 secs.nsecs
elapsed_time:             143.005106019 secs.nsecs
subreqs per batch   batches   % cum %
1:		        12  18  18
2:		         2   3  21
4:		         1   1  23
8:		         4   6  29
16:		         4   6  35
32:		        10  15  51
64:		        31  48 100
mdc.lustre-MDT0001-mdc-ffff9a1408270800.batch_stats=
snapshot_time:            1769080111.357920023 secs.nsecs
start_time:               1769079968.352983350 secs.nsecs
elapsed_time:             143.004936673 secs.nsecs
subreqs per batch   batches   % cum %
1:		        12  19  19
2:		         2   3  22
4:		         6   9  32
8:		         1   1  33
16:		         1   1  35
32:		        15  24  59
64:		        25  40 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536