== sanity test 123ab: verify statahead work by using statx ========================================================== 09:10:09 (1788527409)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9e0dd1532000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9e0dd1532000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.30 seconds: 43.41 ops/second
llite.lustre-ffff9e0dd1532000.statahead_max=0
100

real	0m1.893s
user	0m0.008s
sys	0m0.282s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9e0dd1532000.statahead_max=128
llite.lustre-ffff9e0dd1532000.statahead_max=128
100

real	0m1.237s
user	0m0.009s
sys	0m0.157s
'statx -l' 100 files with statahead: 2 sec
statahead total: 123
statahead wrong: 1
agl total: 119
list_total: 27
fname_total: 75
hit_total: 1548
miss_total: 252
swrong=1 ewrong=1
total: 900 open/close in 8.82 seconds: 102.08 ops/second
llite.lustre-ffff9e0dd1532000.statahead_max=0
1000

real	0m17.356s
user	0m0.076s
sys	0m2.590s
'statx -l' 1000 files without statahead: 17 sec
llite.lustre-ffff9e0dd1532000.statahead_max=128
llite.lustre-ffff9e0dd1532000.statahead_max=128
1000

real	0m5.514s
user	0m0.082s
sys	0m1.281s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 124
statahead wrong: 1
agl total: 120
list_total: 28
fname_total: 75
hit_total: 2547
miss_total: 252
swrong=1 ewrong=1
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff9e0dd1532000.statahead_stats=
statahead total: 124
statahead wrong: 1
agl total: 120
list_total: 28
fname_total: 75
hit_total: 2547
miss_total: 252
mdc.lustre-MDT0000-mdc-ffff9e0dd1532000.batch_stats=
snapshot_time:            1788527487.808475997 secs.nsecs
start_time:               1788527414.342014135 secs.nsecs
elapsed_time:             73.466461862 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  16  16
2:		         0   0  16
4:		         1   4  20
8:		         3  12  32
16:		         1   4  36
32:		         5  20  56
64:		        11  44 100
mdc.lustre-MDT0001-mdc-ffff9e0dd1532000.batch_stats=
snapshot_time:            1788527487.808567967 secs.nsecs
start_time:               1788527414.342208645 secs.nsecs
elapsed_time:             73.466359322 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  14  14
2:		         2   9  23
4:		         2   9  33
8:		         0   0  33
16:		         0   0  33
32:		         9  42  76
64:		         5  23 100
unlink(/mnt/lustre/d123ab.sanity/f123ab.sanity0) error: No such file or directory
total: 0 unlinks in 0 seconds: -nan unlinks/second
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536