== sanity test 123ab: verify statahead work by using statx ========================================================== 02:15:07 (1787465707) seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8ab9c8d1f000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8ab9c8d1f000.batch_stats=0 striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity total: 100 open/close in 2.07 seconds: 48.27 ops/second llite.lustre-ffff8ab9c8d1f000.statahead_max=0 100 real 0m1.542s user 0m0.011s sys 0m0.271s 'statx -l' 100 files without statahead: 1 sec llite.lustre-ffff8ab9c8d1f000.statahead_max=128 llite.lustre-ffff8ab9c8d1f000.statahead_max=128 100 real 0m0.835s user 0m0.007s sys 0m0.147s 'statx -l' 100 files with statahead: 0 sec statahead total: 112 statahead wrong: 2 agl total: 109 list_total: 26 fname_total: 80 hit_total: 2124 miss_total: 1269 swrong=2 ewrong=2 total: 900 open/close in 9.99 seconds: 90.07 ops/second llite.lustre-ffff8ab9c8d1f000.statahead_max=0 1000 real 0m20.575s user 0m0.089s sys 0m2.633s 'statx -l' 1000 files without statahead: 20 sec llite.lustre-ffff8ab9c8d1f000.statahead_max=128 llite.lustre-ffff8ab9c8d1f000.statahead_max=128 1000 real 0m5.683s user 0m0.056s sys 0m1.285s 'statx -l' 1000 files with statahead: 6 sec statahead total: 113 statahead wrong: 2 agl total: 110 list_total: 27 fname_total: 80 hit_total: 3123 miss_total: 1269 swrong=2 ewrong=2 'statx -l' done unlink + rm -r /mnt/lustre/d123ab.sanity: 20 seconds llite.lustre-ffff8ab9c8d1f000.statahead_stats= statahead total: 113 statahead wrong: 2 agl total: 110 list_total: 27 fname_total: 80 hit_total: 3123 miss_total: 1269 mdc.lustre-MDT0000-mdc-ffff8ab9c8d1f000.batch_stats= snapshot_time: 1787465792.200334538 secs.nsecs start_time: 1787465711.946404706 secs.nsecs elapsed_time: 80.253929832 secs.nsecs subreqs per batch batches %% cum %% 1: 2 9 9 2: 0 0 9 4: 4 19 28 8: 0 0 28 16: 1 4 33 32: 4 19 52 64: 10 47 100 mdc.lustre-MDT0001-mdc-ffff8ab9c8d1f000.batch_stats= snapshot_time: 1787465792.200394213 secs.nsecs start_time: 1787465711.946527681 secs.nsecs elapsed_time: 80.253866532 secs.nsecs subreqs per batch batches %% cum %% 1: 1 4 4 2: 1 4 8 4: 2 8 17 8: 4 17 34 16: 1 4 39 32: 7 30 69 64: 7 30 100 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