== sanity test 123ab: verify statahead work by using statx ========================================================== 19:09:37 (1768262977)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff901998580800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff901998580800.batch_stats=0
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 2.02 seconds: 49.54 ops/second
llite.lustre-ffff901998580800.statahead_max=0
100

real	0m1.709s
user	0m0.009s
sys	0m0.273s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff901998580800.statahead_max=128
128
100

real	0m0.780s
user	0m0.005s
sys	0m0.118s
statx -l 100 files with statahead: 1 sec
statahead total: 151
statahead wrong: 2
agl total: 147
list_total: 27
fname_total: 124
hit_total: 1689
miss_total: 1366
 - open/close 799 (time 1768263002.46 total 10.00 last 79.89)
total: 900 open/close in 11.65 seconds: 77.23 ops/second
llite.lustre-ffff901998580800.statahead_max=0
1000

real	0m17.964s
user	0m0.071s
sys	0m2.469s
statx -l 1000 files without statahead: 18 sec
llite.lustre-ffff901998580800.statahead_max=128
128
1000

real	0m5.836s
user	0m0.054s
sys	0m1.173s
statx -l 1000 files with statahead: 6 sec
statahead total: 152
statahead wrong: 2
agl total: 148
list_total: 28
fname_total: 124
hit_total: 2688
miss_total: 1366
 - open/close 603 (time 1768263048.69 total 10.02 last 60.17)
total: 1000 open/close in 15.97 seconds: 62.60 ops/second
llite.lustre-ffff901998580800.statahead_max=0
2000

real	0m37.762s
user	0m0.162s
sys	0m5.120s
statx -l 2000 files without statahead: 38 sec
llite.lustre-ffff901998580800.statahead_max=128
128
2000

real	0m10.596s
user	0m0.117s
sys	0m2.273s
statx -l 2000 files with statahead: 10 sec
statahead total: 153
statahead wrong: 2
agl total: 149
list_total: 29
fname_total: 124
hit_total: 4687
miss_total: 1366
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 31 seconds
llite.lustre-ffff901998580800.statahead_stats=
statahead total: 153
statahead wrong: 2
agl total: 149
list_total: 29
fname_total: 124
hit_total: 4687
miss_total: 1366
mdc.lustre-MDT0000-mdc-ffff901998580800.batch_stats=
snapshot_time:            1768263148.789173935 secs.nsecs
start_time:               1768262981.699082454 secs.nsecs
elapsed_time:             167.090091481 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  11  11
2:		         2   3  14
4:		         3   4  19
8:		         6   9  29
16:		         2   3  32
32:		         9  14  46
64:		        33  53 100
mdc.lustre-MDT0001-mdc-ffff901998580800.batch_stats=
snapshot_time:            1768263148.791016221 secs.nsecs
start_time:               1768262981.699211703 secs.nsecs
elapsed_time:             167.091804518 secs.nsecs
subreqs per batch   batches   % cum %
1:		         7  11  11
2:		         2   3  15
4:		         4   6  22
8:		         4   6  28
16:		         2   3  32
32:		        16  27  59
64:		        24  40 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536