== sanity test 255a: check 'lfs ladvise -a willread' ===== 20:46:50 (1780966010) 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 3.00057 s, 34.9 MB/s ladvise: range [2, 1] is invalid Provide servers with advice about access patterns for a file. usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]] [--background|-b] [--unset|-u] {--end|-e END[kMGT]|--length|-l LENGTH[kMGT]} {[--mode|-m [READ,WRITE]} ... ladvise: range [2, 2] is invalid Provide servers with advice about access patterns for a file. usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]] [--background|-b] [--unset|-u] {--end|-e END[kMGT]|--length|-l LENGTH[kMGT]} {[--mode|-m [READ,WRITE]} ... ladvise: conflicting arguments of -l and -e Provide servers with advice about access patterns for a file. usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]] [--background|-b] [--unset|-u] {--end|-e END[kMGT]|--length|-l LENGTH[kMGT]} {[--mode|-m [READ,WRITE]} ... Synchronous ladvise should wait fail_val=4 fail_loc=0x237 Asynchronous ladvise shouldn't wait fail_loc=0 Iter 1/10: reading without willread hint Iter 1/10: uncached speed: 0.626444 Iter 1/10: OSS cache speed: 0.728146 Iter 1/10: ladvise speed: 0.794874 Iter 2/10: reading without willread hint Iter 2/10: uncached speed: 0.611797 Iter 2/10: OSS cache speed: 0.690888 Iter 2/10: ladvise speed: 0.727422 Iter 3/10: reading without willread hint Iter 3/10: uncached speed: 0.730446 Iter 3/10: OSS cache speed: 0.847718 Iter 3/10: ladvise speed: 0.805413 Iter 4/10: reading without willread hint Iter 4/10: uncached speed: 0.784292 Iter 4/10: OSS cache speed: 0.847712 Iter 4/10: ladvise speed: 0.749453 Iter 5/10: reading without willread hint Iter 5/10: uncached speed: 0.651173 Iter 5/10: OSS cache speed: 0.679566 Iter 5/10: ladvise speed: 0.658035 Iter 6/10: reading without willread hint Iter 6/10: uncached speed: 0.558173 Iter 6/10: OSS cache speed: 0.822008 Iter 6/10: ladvise speed: 0.703053 Iter 7/10: reading without willread hint Iter 7/10: uncached speed: 0.586007 Iter 7/10: OSS cache speed: 0.836195 Iter 7/10: ladvise speed: 0.700887 Iter 8/10: reading without willread hint Iter 8/10: uncached speed: 0.588535 Iter 8/10: OSS cache speed: 0.779115 Iter 8/10: ladvise speed: 0.677537 Iter 9/10: reading without willread hint Iter 9/10: uncached speed: 0.663483 Iter 9/10: OSS cache speed: 0.628875 Iter 9/10: ladvise speed: 0.832261 Iter 10/10: reading without willread hint Iter 10/10: uncached speed: 0.664663 Iter 10/10: OSS cache speed: 0.707622 Iter 10/10: ladvise speed: 0.735566 Average uncached read: .64 Average speedup with OSS cached read: .75 = +17.18% Average speedup with ladvise willread: .73 = +14.06% /home/green/git/lustre-release/lustre/tests/sanity.sh: line 21886: ГU: < 20 : syntax error: operand expected (error token is "< 20 ") /home/green/git/lustre-release/lustre/tests/sanity.sh: line 21900: > : > : syntax error: operand expected (error token is "> ") running in VM 'kvm', ignore error sanity test_255a: @@@@@@ IGNORE (env=kvm): Speedup with willread is less than .37%, got .73% Trace dump: = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6475:error_ignore() = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6490:error_not_in_vm() = /home/green/git/lustre-release/lustre/tests/sanity.sh:21901:ladvise_willread_performance() = /home/green/git/lustre-release/lustre/tests/sanity.sh:21982:test_255a() = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6817:run_one() = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6864:run_one_logged() = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6690:run_test() = /home/green/git/lustre-release/lustre/tests/sanity.sh:21984:main()