Hi Maarten, We are glad to find that your commit 339a3922f68dcb7d93001f07b7e914d5cf6c066d ("decrease useless padding") increased aim disk_src performance by 4.3%:
74833276be6802b 339a3922f68dcb7d93001f07b --------------- ------------------------- 511685 ~ 0% +4.3% 533571 ~ 0% TOTAL aim7.2000.jobs-per-min 77.30 ~ 0% -9.9% 69.66 ~ 0% TOTAL time.system_time 1.95 ~ 2% +7.0% 2.09 ~ 2% TOTAL iostat.sda.rrqm/s 23.57 ~ 0% -4.1% 22.60 ~ 0% TOTAL time.elapsed_time 425 ~ 0% -3.1% 412 ~ 0% TOTAL time.percent_of_cpu_this_job_got 7.59 ~ 0% -2.9% 7.37 ~ 0% TOTAL boottime.dhcp 15.24 ~ 0% -1.9% 14.94 ~ 0% TOTAL boottime.boot time.system_time 82 ++--------------------------------------------------------------------+ | | 80 ++ ..*.. | | .*.. .*. .*.. | 78 ++.*..*..*..*..*..*. *.. .*. *..*. *..*.. .*..* | *. *. *..*..*. | 76 ++ | | | 74 ++ | | | 72 ++ | | | 70 O+ O O O O O O O O O O O O O O O O O O | | O O O O 68 ++-------------------------O------------------------------------------+ time.elapsed_time 24 ++------------------------------------------------------------------+ | *.. | 23.8 ++ + *.. | *..*.. .*.. .*..*..*.. .*..* *..*..*..*.. .*.. | 23.6 ++ *. *..*. *. *..*..*. * | 23.4 ++ | | | 23.2 ++ | | | 23 ++ | | | 22.8 ++ O O O O O | 22.6 O+ O O O O O O O O O O O O O O O O O | O | 22.4 ++------------------------------------------------------------------+ aim7.2000.jobs-per-min 540000 ++----------------------------------------------------------------+ | | 535000 O+ O O O O O O O O O O O O O | 530000 ++ O O O O O O O O O O | | 525000 ++ | | | 520000 ++ | | | 515000 ++ .*. | 510000 *+.*..*..*.*..*..*..*..*..*.. .*. *.. .* | | *..*. .*..*..*..*. *. | 505000 ++ *..*. | | | 500000 ++----------------------------------------------------------------+ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/