== sanity test 123ab: verify statahead work by using statx ========================================================== 18:26:57 (1773613617)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8dd82021d800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8dd82021d800.batch_stats=0
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.17 seconds: 46.02 ops/second
llite.lustre-ffff8dd82021d800.statahead_max=0
100

real	0m1.782s
user	0m0.014s
sys	0m0.301s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8dd82021d800.statahead_max=128
128
100

real	0m0.900s
user	0m0.007s
sys	0m0.139s
statx -l 100 files with statahead: 1 sec
statahead total: 132
statahead wrong: 2
agl total: 128
list_total: 27
fname_total: 98
hit_total: 3849
miss_total: 1220
total: 900 open/close in 8.13 seconds: 110.68 ops/second
llite.lustre-ffff8dd82021d800.statahead_max=0
1000

real	0m18.891s
user	0m0.065s
sys	0m2.732s
statx -l 1000 files without statahead: 19 sec
llite.lustre-ffff8dd82021d800.statahead_max=128
128
1000

real	0m5.989s
user	0m0.071s
sys	0m1.373s
statx -l 1000 files with statahead: 6 sec
statahead total: 133
statahead wrong: 2
agl total: 129
list_total: 28
fname_total: 98
hit_total: 4848
miss_total: 1220
 - open/close 947 (time 1773613685.53 total 10.01 last 94.63)
total: 1000 open/close in 10.67 seconds: 93.72 ops/second
llite.lustre-ffff8dd82021d800.statahead_max=0
2000

real	0m34.596s
user	0m0.132s
sys	0m5.187s
statx -l 2000 files without statahead: 34 sec
llite.lustre-ffff8dd82021d800.statahead_max=128
128
2000

real	0m12.595s
user	0m0.137s
sys	0m2.678s
statx -l 2000 files with statahead: 13 sec
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 29
fname_total: 98
hit_total: 6847
miss_total: 1220
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 34 seconds
llite.lustre-ffff8dd82021d800.statahead_stats=
statahead total: 134
statahead wrong: 2
agl total: 130
list_total: 29
fname_total: 98
hit_total: 6847
miss_total: 1220
mdc.lustre-MDT0000-mdc-ffff8dd82021d800.batch_stats=
snapshot_time:            1773613782.730140946 secs.nsecs
start_time:               1773613622.133013888 secs.nsecs
elapsed_time:             160.597127058 secs.nsecs
subreqs per batch   batches   % cum %
1:		        14  19  19
2:		         7   9  28
4:		         3   4  32
8:		         3   4  36
16:		         2   2  39
32:		        19  26  65
64:		        25  34 100
mdc.lustre-MDT0001-mdc-ffff8dd82021d800.batch_stats=
snapshot_time:            1773613782.732528737 secs.nsecs
start_time:               1773613622.133247248 secs.nsecs
elapsed_time:             160.599281489 secs.nsecs
subreqs per batch   batches   % cum %
1:		         8  12  12
2:		         4   6  18
4:		         4   6  24
8:		         4   6  30
16:		         2   3  33
32:		        19  29  63
64:		        24  36 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536