== sanity test 123ab: verify statahead work by using statx ========================================================== 20:23:51 (1786753431) seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff9b32080db000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff9b32080db000.batch_stats=0 striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity total: 100 open/close in 1.92 seconds: 52.18 ops/second llite.lustre-ffff9b32080db000.statahead_max=0 100 real 0m1.951s user 0m0.006s sys 0m0.321s 'statx -l' 100 files without statahead: 2 sec llite.lustre-ffff9b32080db000.statahead_max=128 llite.lustre-ffff9b32080db000.statahead_max=128 100 real 0m0.645s user 0m0.011s sys 0m0.153s 'statx -l' 100 files with statahead: 0 sec statahead total: 141 statahead wrong: 2 agl total: 136 list_total: 26 fname_total: 100 hit_total: 2016 miss_total: 749 swrong=2 ewrong=2 total: 900 open/close in 9.24 seconds: 97.40 ops/second llite.lustre-ffff9b32080db000.statahead_max=0 1000 real 0m21.440s user 0m0.067s sys 0m3.042s 'statx -l' 1000 files without statahead: 21 sec llite.lustre-ffff9b32080db000.statahead_max=128 llite.lustre-ffff9b32080db000.statahead_max=128 1000 real 0m5.376s user 0m0.063s sys 0m1.464s 'statx -l' 1000 files with statahead: 5 sec statahead total: 142 statahead wrong: 2 agl total: 137 list_total: 27 fname_total: 100 hit_total: 3015 miss_total: 749 swrong=2 ewrong=2 'statx -l' done unlink + rm -r /mnt/lustre/d123ab.sanity: 18 seconds llite.lustre-ffff9b32080db000.statahead_stats= statahead total: 142 statahead wrong: 2 agl total: 137 list_total: 27 fname_total: 100 hit_total: 3015 miss_total: 749 mdc.lustre-MDT0000-mdc-ffff9b32080db000.batch_stats= snapshot_time: 1786753510.677295339 secs.nsecs start_time: 1786753435.343483706 secs.nsecs elapsed_time: 75.333811633 secs.nsecs subreqs per batch batches %% cum %% 1: 12 33 33 2: 2 5 38 4: 3 8 47 8: 3 8 55 16: 1 2 58 32: 5 13 72 64: 10 27 100 mdc.lustre-MDT0001-mdc-ffff9b32080db000.batch_stats= snapshot_time: 1786753510.677375651 secs.nsecs start_time: 1786753435.343609006 secs.nsecs elapsed_time: 75.333766645 secs.nsecs subreqs per batch batches %% cum %% 1: 6 20 20 2: 2 6 26 4: 2 6 33 8: 2 6 40 16: 4 13 53 32: 3 10 63 64: 11 36 100 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