== sanity test 123ab: verify statahead work by using statx ========================================================== 11:12:45 (1789053165)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9265cfcbd000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9265cfcbd000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.96 seconds: 33.74 ops/second
llite.lustre-ffff9265cfcbd000.statahead_max=0
100

real	0m2.128s
user	0m0.010s
sys	0m0.287s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffff9265cfcbd000.statahead_max=128
llite.lustre-ffff9265cfcbd000.statahead_max=128
100

real	0m0.931s
user	0m0.008s
sys	0m0.136s
'statx -l' 100 files with statahead: 1 sec
statahead total: 120
statahead wrong: 2
agl total: 114
list_total: 27
fname_total: 81
hit_total: 1814
miss_total: 1750
swrong=2 ewrong=2
 - open/close 753 (time 1789053193.94 total 10.00 last 75.28)
total: 900 open/close in 11.96 seconds: 75.23 ops/second
llite.lustre-ffff9265cfcbd000.statahead_max=0
1000

real	0m21.844s
user	0m0.074s
sys	0m2.588s
'statx -l' 1000 files without statahead: 22 sec
llite.lustre-ffff9265cfcbd000.statahead_max=128
llite.lustre-ffff9265cfcbd000.statahead_max=128
1000

real	0m6.458s
user	0m0.055s
sys	0m1.186s
'statx -l' 1000 files with statahead: 7 sec
statahead total: 121
statahead wrong: 2
agl total: 115
list_total: 28
fname_total: 81
hit_total: 2813
miss_total: 1750
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds
llite.lustre-ffff9265cfcbd000.statahead_stats=
statahead total: 121
statahead wrong: 2
agl total: 115
list_total: 28
fname_total: 81
hit_total: 2813
miss_total: 1750
mdc.lustre-MDT0000-mdc-ffff9265cfcbd000.batch_stats=
snapshot_time:            1789053256.023931709 secs.nsecs
start_time:               1789053170.282479225 secs.nsecs
elapsed_time:             85.741452484 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3  11  11
2:		         3  11  23
4:		         1   3  26
8:		         2   7  34
16:		         3  11  46
32:		         2   7  53
64:		        12  46 100
mdc.lustre-MDT0001-mdc-ffff9265cfcbd000.batch_stats=
snapshot_time:            1789053256.023997770 secs.nsecs
start_time:               1789053170.282546085 secs.nsecs
elapsed_time:             85.741451685 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         4  18  18
2:		         1   4  22
4:		         2   9  31
8:		         2   9  40
16:		         0   0  40
32:		         7  31  72
64:		         6  27 100
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