> > I'm testing on Linus' master, can we all use that please? > [git] git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[mechine] Intel(R) Xeon(R) CPU E5-2690 v2 @ 3.00GHz mem 62G (66000220K) [system] # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.3 Beta (Maipo) [commit 3684b03] [root@hp-dl380pg8-11 lxin]# uname -r 4.8.0-rc2.3684b03 [root@hp-dl380pg8-11 lxin]# cat test.sh killall -0 netserver || netserver -4 & netperf -4 -t SCTP_STREAM_MANY -c -C -l 300 -- -m 10K -H 127.0.0.1 [root@hp-dl380pg8-11 lxin]# sh test.sh SCTP 1-TO-MANY STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 127.0.0.1 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 212992 212992 10240 300.00 16914.99 3.28 3.28 0.636 0.636 [commit f959fb4] [root@localhost lxin]# uname -r 4.7.0-rc6.f959fb4 [root@localhost lxin]# cat test.sh killall -0 netserver || netserver -4 & netperf -4 -t SCTP_STREAM_MANY -c -C -l 300 -- -m 10K -H 127.0.0.1 [root@localhost lxin]# sh test.sh SCTP 1-TO-MANY STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 127.0.0.1 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 212992 212992 10240 300.00 12975.32 3.35 3.35 0.847 0.846 Still, in my env, the latest kernel is better than old one. Sorry, I'm not sure why it's so different in your env. Could you do 'netperf' test manually, instead of lkp-tests, then check again. Pls show you system's distros as well, like rhel, ubuntu or arch ?
