== sanity test 123ab: verify statahead work by using statx ========================================================== 17:51:46 (1773611506)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9d9818a73000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9d9818a73000.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.81 seconds: 35.53 ops/second
llite.lustre-ffff9d9818a73000.statahead_max=0
100

real	0m2.422s
user	0m0.013s
sys	0m0.304s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9d9818a73000.statahead_max=128
128
100

real	0m0.899s
user	0m0.005s
sys	0m0.147s
statx -l 100 files with statahead: 1 sec
statahead total: 123
statahead wrong: 2
agl total: 108
list_total: 27
fname_total: 90
hit_total: 3563
miss_total: 1282
 - open/close 798 (time 1773611534.27 total 10.03 last 79.55)
total: 900 open/close in 11.36 seconds: 79.21 ops/second
llite.lustre-ffff9d9818a73000.statahead_max=0
1000

real	0m18.563s
user	0m0.060s
sys	0m2.897s
statx -l 1000 files without statahead: 19 sec
llite.lustre-ffff9d9818a73000.statahead_max=128
128
1000

real	0m5.999s
user	0m0.072s
sys	0m1.426s
statx -l 1000 files with statahead: 6 sec
statahead total: 124
statahead wrong: 2
agl total: 109
list_total: 28
fname_total: 90
hit_total: 4562
miss_total: 1282
 - open/close 814 (time 1773611582.24 total 10.00 last 81.38)
total: 1000 open/close in 12.23 seconds: 81.76 ops/second
llite.lustre-ffff9d9818a73000.statahead_max=0
2000

real	0m37.393s
user	0m0.148s
sys	0m5.444s
statx -l 2000 files without statahead: 37 sec
llite.lustre-ffff9d9818a73000.statahead_max=128
128
2000

real	0m13.386s
user	0m0.127s
sys	0m2.741s
statx -l 2000 files with statahead: 13 sec
statahead total: 125
statahead wrong: 2
agl total: 110
list_total: 29
fname_total: 90
hit_total: 6561
miss_total: 1282
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 38 seconds
llite.lustre-ffff9d9818a73000.statahead_stats=
statahead total: 125
statahead wrong: 2
agl total: 110
list_total: 29
fname_total: 90
hit_total: 6561
miss_total: 1282
mdc.lustre-MDT0000-mdc-ffff9d9818a73000.batch_stats=
snapshot_time:            1773611688.299099258 secs.nsecs
start_time:               1773611510.935659911 secs.nsecs
elapsed_time:             177.363439347 secs.nsecs
subreqs per batch   batches   % cum %
1:		        18  23  23
2:		         3   3  27
4:		         4   5  32
8:		         4   5  38
16:		         5   6  44
32:		         9  11  56
64:		        33  43 100
mdc.lustre-MDT0001-mdc-ffff9d9818a73000.batch_stats=
snapshot_time:            1773611688.299164081 secs.nsecs
start_time:               1773611510.935867723 secs.nsecs
elapsed_time:             177.363296358 secs.nsecs
subreqs per batch   batches   % cum %
1:		        17  23  23
2:		         5   6  30
4:		         8  11  41
8:		         1   1  43
16:		         1   1  44
32:		        21  29  73
64:		        19  26 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536