== sanity test 123ab: verify statahead work by using statx ========================================================== 00:58:47 (1762495127) seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8a1750719000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8a1750719000.batch_stats=0 striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ab.sanity total: 100 open/close in 2.34 seconds: 42.65 ops/second llite.lustre-ffff8a1750719000.statahead_max=0 100 real 0m2.013s user 0m0.017s sys 0m0.348s statx -l 100 files without statahead: 2 sec llite.lustre-ffff8a1750719000.statahead_max=128 128 100 real 0m0.700s user 0m0.008s sys 0m0.220s statx -l 100 files with statahead: 1 sec statahead total: 115 statahead wrong: 2 agl total: 112 list_total: 27 fname_total: 71 hit_total: 3751 miss_total: 1501 - open/close 816 (time 1762495151.01 total 10.01 last 81.53) total: 900 open/close in 11.24 seconds: 80.06 ops/second llite.lustre-ffff8a1750719000.statahead_max=0 1000 real 0m21.937s user 0m0.112s sys 0m3.194s statx -l 1000 files without statahead: 22 sec llite.lustre-ffff8a1750719000.statahead_max=128 128 1000 real 0m4.569s user 0m0.049s sys 0m1.294s statx -l 1000 files with statahead: 5 sec statahead total: 116 statahead wrong: 2 agl total: 113 list_total: 28 fname_total: 71 hit_total: 4750 miss_total: 1501 statx -l done rm -r /mnt/lustre/d123ab.sanity: 18 seconds llite.lustre-ffff8a1750719000.statahead_stats= statahead total: 116 statahead wrong: 2 agl total: 113 list_total: 28 fname_total: 71 hit_total: 4750 miss_total: 1501 mdc.lustre-MDT0000-mdc-ffff8a1750719000.batch_stats= snapshot_time: 1762495206.615153071 secs.nsecs start_time: 1762495131.155369205 secs.nsecs elapsed_time: 75.459783866 secs.nsecs subreqs per batch batches % cum % 1: 2 8 8 2: 1 4 12 4: 2 8 20 8: 4 16 36 16: 1 4 40 32: 4 16 56 64: 11 44 100 mdc.lustre-MDT0001-mdc-ffff8a1750719000.batch_stats= snapshot_time: 1762495206.615227633 secs.nsecs start_time: 1762495131.155527372 secs.nsecs elapsed_time: 75.459700261 secs.nsecs subreqs per batch batches % cum % 1: 4 18 18 2: 1 4 22 4: 1 4 27 8: 3 13 40 16: 0 0 40 32: 6 27 68 64: 7 31 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536