== sanity test 123ab: verify statahead work by using statx ========================================================== 18:29:16 (1785968956) seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff98bcd0ac1000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff98bcd0ac1000.batch_stats=0 striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity total: 100 open/close in 1.92 seconds: 52.09 ops/second llite.lustre-ffff98bcd0ac1000.statahead_max=0 100 real 0m1.920s user 0m0.005s sys 0m0.326s 'statx -l' 100 files without statahead: 2 sec llite.lustre-ffff98bcd0ac1000.statahead_max=128 llite.lustre-ffff98bcd0ac1000.statahead_max=128 100 real 0m0.871s user 0m0.006s sys 0m0.154s 'statx -l' 100 files with statahead: 1 sec statahead total: 133 statahead wrong: 2 agl total: 129 list_total: 27 fname_total: 106 hit_total: 1840 miss_total: 1492 swrong=2 ewrong=2 total: 900 open/close in 9.39 seconds: 95.87 ops/second llite.lustre-ffff98bcd0ac1000.statahead_max=0 1000 real 0m17.769s user 0m0.087s sys 0m2.973s 'statx -l' 1000 files without statahead: 18 sec llite.lustre-ffff98bcd0ac1000.statahead_max=128 llite.lustre-ffff98bcd0ac1000.statahead_max=128 1000 real 0m4.980s user 0m0.058s sys 0m1.500s 'statx -l' 1000 files with statahead: 5 sec statahead total: 134 statahead wrong: 2 agl total: 130 list_total: 28 fname_total: 106 hit_total: 2839 miss_total: 1492 swrong=2 ewrong=2 'statx -l' done unlink + rm -r /mnt/lustre/d123ab.sanity: 19 seconds llite.lustre-ffff98bcd0ac1000.statahead_stats= statahead total: 134 statahead wrong: 2 agl total: 130 list_total: 28 fname_total: 106 hit_total: 2839 miss_total: 1492 mdc.lustre-MDT0000-mdc-ffff98bcd0ac1000.batch_stats= snapshot_time: 1785969035.044464478 secs.nsecs start_time: 1785968960.894554724 secs.nsecs elapsed_time: 74.149909754 secs.nsecs subreqs per batch batches %% cum %% 1: 8 24 24 2: 4 12 36 4: 2 6 42 8: 1 3 45 16: 3 9 54 32: 3 9 63 64: 12 36 100 mdc.lustre-MDT0001-mdc-ffff98bcd0ac1000.batch_stats= snapshot_time: 1785969035.044530581 secs.nsecs start_time: 1785968960.894765011 secs.nsecs elapsed_time: 74.149765570 secs.nsecs subreqs per batch batches %% cum %% 1: 6 22 22 2: 2 7 29 4: 1 3 33 8: 4 14 48 16: 1 3 51 32: 7 25 77 64: 6 22 100 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