== sanity test 123ab: verify statahead work by using statx ========================================================== 19:04:20 (1786835060) seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff9d2182be9800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff9d2182be9800.batch_stats=0 striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity total: 100 open/close in 1.59 seconds: 62.84 ops/second llite.lustre-ffff9d2182be9800.statahead_max=0 100 real 0m1.739s user 0m0.005s sys 0m0.308s 'statx -l' 100 files without statahead: 2 sec llite.lustre-ffff9d2182be9800.statahead_max=128 llite.lustre-ffff9d2182be9800.statahead_max=128 100 real 0m0.563s user 0m0.005s sys 0m0.190s 'statx -l' 100 files with statahead: 1 sec statahead total: 124 statahead wrong: 2 agl total: 121 list_total: 28 fname_total: 96 hit_total: 2373 miss_total: 1281 swrong=2 ewrong=2 total: 900 open/close in 8.29 seconds: 108.63 ops/second llite.lustre-ffff9d2182be9800.statahead_max=0 1000 real 0m15.710s user 0m0.077s sys 0m2.777s 'statx -l' 1000 files without statahead: 16 sec llite.lustre-ffff9d2182be9800.statahead_max=128 llite.lustre-ffff9d2182be9800.statahead_max=128 1000 real 0m3.509s user 0m0.052s sys 0m1.679s 'statx -l' 1000 files with statahead: 3 sec statahead total: 125 statahead wrong: 2 agl total: 122 list_total: 29 fname_total: 96 hit_total: 3372 miss_total: 1281 swrong=2 ewrong=2 'statx -l' done unlink + rm -r /mnt/lustre/d123ab.sanity: 11 seconds llite.lustre-ffff9d2182be9800.statahead_stats= statahead total: 125 statahead wrong: 2 agl total: 122 list_total: 29 fname_total: 96 hit_total: 3372 miss_total: 1281 mdc.lustre-MDT0000-mdc-ffff9d2182be9800.batch_stats= snapshot_time: 1786835116.148652843 secs.nsecs start_time: 1786835063.021623919 secs.nsecs elapsed_time: 53.127028924 secs.nsecs subreqs per batch batches %% cum %% 1: 6 20 20 2: 4 13 33 4: 2 6 40 8: 3 10 50 16: 1 3 53 32: 4 13 66 64: 10 33 100 mdc.lustre-MDT0001-mdc-ffff9d2182be9800.batch_stats= snapshot_time: 1786835116.148728343 secs.nsecs start_time: 1786835063.021801137 secs.nsecs elapsed_time: 53.126927206 secs.nsecs subreqs per batch batches %% cum %% 1: 14 37 37 2: 3 8 45 4: 3 8 54 8: 1 2 56 16: 1 2 59 32: 4 10 70 64: 11 29 100 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