== sanity test 123ab: verify statahead work by using statx ========================================================== 08:49:17 (1786193357)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff924f8312c800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff924f8312c800.batch_stats=0
striped dir -i1 -c2 -H crush  /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.93 seconds: 107.64 ops/second
llite.lustre-ffff924f8312c800.statahead_max=0
100

real	0m0.857s
user	0m0.013s
sys	0m0.289s
'statx -l' 100 files without statahead: 1 sec
llite.lustre-ffff924f8312c800.statahead_max=128
llite.lustre-ffff924f8312c800.statahead_max=128
100

real	0m0.436s
user	0m0.005s
sys	0m0.236s
'statx -l' 100 files with statahead: 0 sec
statahead total: 87
statahead wrong: 2
agl total: 85
list_total: 25
fname_total: 62
hit_total: 1877
miss_total: 1187
swrong=2 ewrong=2
total: 900 open/close in 2.61 seconds: 345.44 ops/second
llite.lustre-ffff924f8312c800.statahead_max=0
1000

real	0m8.802s
user	0m0.092s
sys	0m2.879s
'statx -l' 1000 files without statahead: 9 sec
llite.lustre-ffff924f8312c800.statahead_max=128
llite.lustre-ffff924f8312c800.statahead_max=128
1000

real	0m3.133s
user	0m0.034s
sys	0m1.667s
'statx -l' 1000 files with statahead: 4 sec
statahead total: 88
statahead wrong: 2
agl total: 86
list_total: 26
fname_total: 62
hit_total: 2876
miss_total: 1187
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 6 seconds
llite.lustre-ffff924f8312c800.statahead_stats=
statahead total: 88
statahead wrong: 2
agl total: 86
list_total: 26
fname_total: 62
hit_total: 2876
miss_total: 1187
mdc.lustre-MDT0000-mdc-ffff924f8312c800.batch_stats=
snapshot_time:            1786193388.519462768 secs.nsecs
start_time:               1786193358.855041641 secs.nsecs
elapsed_time:             29.664421127 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        15  40  40
2:		         3   8  48
4:		         2   5  54
8:		         2   5  59
16:		         1   2  62
32:		         1   2  64
64:		        13  35 100
mdc.lustre-MDT0001-mdc-ffff924f8312c800.batch_stats=
snapshot_time:            1786193388.519523823 secs.nsecs
start_time:               1786193358.855118701 secs.nsecs
elapsed_time:             29.664405122 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         9  34  34
2:		         1   3  38
4:		         1   3  42
8:		         2   7  50
16:		         0   0  50
32:		         7  26  76
64:		         6  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