== sanity test 123ab: verify statahead work by using statx ========================================================== 14:35:42 (1783967742)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9404c8ca3800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9404c8ca3800.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.00 seconds: 50.07 ops/second
llite.lustre-ffff9404c8ca3800.statahead_max=0
100

real	0m1.999s
user	0m0.008s
sys	0m0.299s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9404c8ca3800.statahead_max=128
llite.lustre-ffff9404c8ca3800.statahead_max=128
100

real	0m0.863s
user	0m0.011s
sys	0m0.209s
'statx -l' 100 files with statahead: 1 sec
statahead total: 123
statahead wrong: 2
agl total: 119
list_total: 28
fname_total: 81
hit_total: 1448
miss_total: 1334
swrong=2 ewrong=2
 - open/close 815 (time 1783967767.93 total 10.01 last 81.40)
total: 900 open/close in 11.38 seconds: 79.11 ops/second
llite.lustre-ffff9404c8ca3800.statahead_max=0
1000

real	0m17.672s
user	0m0.079s
sys	0m3.054s
'statx -l' 1000 files without statahead: 17 sec
llite.lustre-ffff9404c8ca3800.statahead_max=128
llite.lustre-ffff9404c8ca3800.statahead_max=128
1000

real	0m5.746s
user	0m0.069s
sys	0m1.393s
'statx -l' 1000 files with statahead: 6 sec
statahead total: 124
statahead wrong: 2
agl total: 120
list_total: 29
fname_total: 81
hit_total: 2447
miss_total: 1334
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds
llite.lustre-ffff9404c8ca3800.statahead_stats=
statahead total: 124
statahead wrong: 2
agl total: 120
list_total: 29
fname_total: 81
hit_total: 2447
miss_total: 1334
mdc.lustre-MDT0000-mdc-ffff9404c8ca3800.batch_stats=
snapshot_time:            1783967822.010069490 secs.nsecs
start_time:               1783967746.231191911 secs.nsecs
elapsed_time:             75.778877579 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  12  12
2:		         0   0  12
4:		         2   8  20
8:		         3  12  33
16:		         0   0  33
32:		         8  33  66
64:		         8  33 100
mdc.lustre-MDT0001-mdc-ffff9404c8ca3800.batch_stats=
snapshot_time:            1783967822.010135052 secs.nsecs
start_time:               1783967746.231326711 secs.nsecs
elapsed_time:             75.778808341 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6  23  23
2:		         0   0  23
4:		         2   7  30
8:		         1   3  34
16:		         2   7  42
32:		         8  30  73
64:		         7  26 100
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