Hi Daniel, We are glad to find big SCTP performance improvements git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next.git master commit b17c706987fa6f28bdc1771c8266e7a69e22adcb ("loopback: sctp: add NETIF_F_SCTP_CSUM to device features") 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 3.848e+08 ~ 6% +197.7% 1.146e+09 ~ 5% bens/micro/qperf/600s 3.848e+08 ~ 6% +197.7% 1.146e+09 ~ 5% TOTAL qperf.sctp.bw 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 39.30 ~ 3% +91.0% 75.06 ~11% lkp-a06/micro/qperf/600s 39.30 ~ 3% +91.0% 75.06 ~11% TOTAL qperf.sctp.bw 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 126 ~ 0% -3.2% 122 ~ 0% lkp-a06/micro/qperf/600s 126 ~ 0% -3.2% 122 ~ 0% TOTAL qperf.sctp.latency 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 216270 ~ 2% -46.5% 115740 ~ 4% lkp-a06/micro/qperf/600s 216270 ~ 2% -46.5% 115740 ~ 4% TOTAL cpuidle.C4.usage 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 48722971 ~ 5% +45.1% 70681678 ~ 7% lkp-a06/micro/qperf/600s 48722971 ~ 5% +45.1% 70681678 ~ 7% TOTAL cpuidle.C2.time 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 370655 ~ 2% +46.8% 543952 ~ 7% lkp-a06/micro/qperf/600s 370655 ~ 2% +46.8% 543952 ~ 7% TOTAL cpuidle.C2.usage 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 1.00 ~13% -22.8% 0.77 ~15% lkp-a06/micro/qperf/600s 1.00 ~13% -22.8% 0.77 ~15% TOTAL perf-profile.cpu-cycles.acpi_processor_ffh_cstate_enter.acpi_idle_enter_bm.cpuidle_enter_state.cpuidle_idle_call.arch_cpu_idle 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 18055616 ~ 4% +28.5% 23205101 ~ 2% bens/micro/qperf/600s 18055616 ~ 4% +28.5% 23205101 ~ 2% TOTAL proc-vmstat.numa_local 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 18055616 ~ 4% +28.5% 23205101 ~ 2% bens/micro/qperf/600s 18055616 ~ 4% +28.5% 23205101 ~ 2% TOTAL proc-vmstat.numa_hit 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 51480524 ~ 4% +37.7% 70886229 ~ 2% bens/micro/qperf/600s 15233974 ~ 0% +14.2% 17397187 ~ 3% lkp-a06/micro/qperf/600s 66714498 ~ 3% +32.3% 88283417 ~ 2% TOTAL proc-vmstat.pgalloc_normal 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 2.109e+08 ~ 4% +37.7% 2.904e+08 ~ 2% bens/micro/qperf/600s 24268359 ~ 0% +14.2% 27716949 ~ 3% lkp-a06/micro/qperf/600s 2.352e+08 ~ 3% +35.3% 3.181e+08 ~ 2% TOTAL proc-vmstat.pgfree 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 1.594e+08 ~ 4% +37.7% 2.195e+08 ~ 2% bens/micro/qperf/600s 9034872 ~ 0% +14.2% 10321019 ~ 3% lkp-a06/micro/qperf/600s 1.685e+08 ~ 4% +36.4% 2.299e+08 ~ 2% TOTAL proc-vmstat.pgalloc_dma32 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 51262 ~ 2% -10.0% 46151 ~ 3% lkp-a06/micro/qperf/600s 51262 ~ 2% -10.0% 46151 ~ 3% TOTAL time.involuntary_context_switches 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 65268 ~ 1% +6.8% 69676 ~ 0% bens/micro/qperf/600s 65268 ~ 1% +6.8% 69676 ~ 0% TOTAL vmstat.system.in 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 33939624 ~29% +22.6% 41609509 ~ 0% bens/micro/qperf/600s 4125867 ~ 1% +3.9% 4285302 ~ 0% lkp-a06/micro/qperf/600s 38065492 ~26% +20.6% 45894812 ~ 0% TOTAL time.voluntary_context_switches 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 129649 ~ 1% +6.8% 138432 ~ 0% bens/micro/qperf/600s 13874 ~ 1% +4.8% 14540 ~ 0% lkp-a06/micro/qperf/600s 143523 ~ 1% +6.6% 152972 ~ 0% TOTAL vmstat.system.cs 72f8e06f3ea022d b17c706987fa6f28bdc1771c8 --------------- ------------------------- 739 ~19% +12.0% 827 ~ 0% bens/micro/qperf/600s 812 ~ 0% -3.4% 784 ~ 1% lkp-a06/micro/qperf/600s 1551 ~ 9% +3.9% 1612 ~ 0% TOTAL time.system_time Legend: ~XX% - stddev percent [+-]XX% - change percent qperf.sctp.bw 1.3e+09 ++---------------------------------------------------------------+ 1.2e+09 ++O O | | O O O O O O O O | 1.1e+09 O+ O O O O O O O O O O O O | 1e+09 ++ O | | | 9e+08 ++ | 8e+08 ++ | 7e+08 ++ | | | 6e+08 ++ | 5e+08 ++ | | .*.. .*. .*. | 4e+08 *+*.*..*.*.*. .*.*..*.*.*.*.*.*..*.*.*.*.* *.*.* *.*. *.*.* 3e+08 ++-----------*---------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html