Just 1, let me change it to 2 may be 3 and get back to you. Thanks,
Pragash Vijayaragavan Grad Student at Rochester Institute of Technology email : pxv3...@rit.edu ph : 585 764 4662 On Mon, Nov 6, 2017 at 7:48 AM, Dave Barach (dbarach) <dbar...@cisco.com> wrote: > How many RX queues did you provision? One per worker, or no supper... > > > > Thanks… Dave > > > > *From:* Pragash Vijayaragavan [mailto:pxv3...@rit.edu] > *Sent:* Monday, November 6, 2017 7:36 AM > > *To:* Dave Barach (dbarach) <dbar...@cisco.com> > *Cc:* vpp-dev@lists.fd.io; John Marshall (jwm) <j...@cisco.com>; Neale > Ranns (nranns) <nra...@cisco.com>; Minseok Kwon <mxk...@rit.edu> > *Subject:* Re: multi-core multi-threading performance > > > > Hi Dave, > > > > As per your suggestion i tried sending different traffic and i could > notice that, 1 worker acts per port (hardware NIC) > > > > Is it true that multiple workers cannot work on same port at the same time? > > > > > > > > > > > Thanks, > > > > Pragash Vijayaragavan > > Grad Student at Rochester Institute of Technology > > email : pxv3...@rit.edu > > ph : 585 764 4662 <(585)%20764-4662> > > > > > > On Mon, Nov 6, 2017 at 7:13 AM, Pragash Vijayaragavan <pxv3...@g.rit.edu> > wrote: > > Thanks Dave, > > > > let me try it out real quick and get back to you. > > > Thanks, > > > > Pragash Vijayaragavan > > Grad Student at Rochester Institute of Technology > > email : pxv3...@rit.edu > > ph : 585 764 4662 <(585)%20764-4662> > > > > > > On Mon, Nov 6, 2017 at 7:11 AM, Dave Barach (dbarach) <dbar...@cisco.com> > wrote: > > Incrementing / random src/dst addr/port.... > > > > Thanks… Dave > > > > *From:* Pragash Vijayaragavan [mailto:pxv3...@rit.edu] > *Sent:* Monday, November 6, 2017 7:06 AM > *To:* Dave Barach (dbarach) <dbar...@cisco.com> > *Cc:* vpp-dev@lists.fd.io; John Marshall (jwm) <j...@cisco.com>; Neale > Ranns (nranns) <nra...@cisco.com>; Minseok Kwon <mxk...@rit.edu> > *Subject:* Re: multi-core multi-threading performance > > > > Hi Dave, > > > > Thanks for the mail > > > > a "show run" command shows dpdk-input process on 2 of the workers but the > ip6-lookup process is running only on 1 worker. > > > > What config should be done to make all threads process traffic. > > > > This is for 4 workers and 1 main core. > > > > Pasted output : > > > > > > vpp# sh run > > Thread 0 vpp_main (lcore 1) > > Time 7.5, average vectors/node 0.00, last 128 main loops 0.00 per node 0.00 > > vector rates in 0.0000e0, out 0.0000e0, drop 0.0000e0, punt 0.0000e0 > > Name State Calls Vectors > Suspends Clocks Vectors/Call > > acl-plugin-fa-cleaner-process any wait 0 > 0 15 4.97e3 0.00 > > api-rx-from-ring active 0 > 0 79 1.07e5 0.00 > > cdp-process any wait 0 > 0 3 2.65e3 0.00 > > dpdk-process any wait 0 > 0 2 6.77e7 0.00 > > fib-walk any wait 0 > 0 7474 6.74e2 0.00 > > gmon-process time wait 0 > 0 1 4.24e3 0.00 > > ikev2-manager-process any wait 0 > 0 7 7.04e3 0.00 > > ip6-icmp-neighbor-discovery-ev any wait 0 > 0 7 4.67e3 0.00 > > lisp-retry-service any wait 0 > 0 3 7.21e3 0.00 > > unix-epoll-input polling 21655148 > 0 0 5.43e2 0.00 > > vpe-oam-process any wait 0 > 0 4 5.28e3 0.00 > > --------------- > > Thread 1 vpp_wk_0 (lcore 2) > > Time 7.5, average vectors/node 255.99, last 128 main loops 14.00 per node > 256.00 > > vector rates in 4.1903e6, out 4.1903e6, drop 0.0000e0, punt 0.0000e0 > > Name State Calls Vectors > Suspends Clocks Vectors/Call > > FortyGigabitEthernet4/0/0-outp active 123334 > 31572992 0 6.58e0 255.99 > > FortyGigabitEthernet4/0/0-tx active 123334 > 31572992 0 7.20e1 255.99 > > dpdk-input polling 124347 > 31572992 0 5.49e1 253.91 > > ip6-input active 123334 > 31572992 0 2.28e1 255.99 > > ip6-load-balance active 123334 > 31572992 0 1.61e1 255.99 > > ip6-lookup active 123334 > 31572992 0 3.77e2 255.99 > > ip6-rewrite active 123334 > 31572992 0 2.02e1 255.99 > > --------------- > > Thread 2 vpp_wk_1 (lcore 3) > > Time 7.5, average vectors/node 0.00, last 128 main loops 0.00 per node 0.00 > > vector rates in 0.0000e0, out 0.0000e0, drop 0.0000e0, punt 0.0000e0 > > Name State Calls Vectors > Suspends Clocks Vectors/Call > > dpdk-input polling 83188682 > 0 0 1.11e2 0.00 > > --------------- > > Thread 3 vpp_wk_2 (lcore 18) > > Time 7.5, average vectors/node 0.00, last 128 main loops 0.00 per node 0.00 > > vector rates in 0.0000e0, out 0.0000e0, drop 0.0000e0, punt 0.0000e0 > > Name State Calls Vectors > Suspends Clocks Vectors/Call > > --------------- > > Thread 4 vpp_wk_3 (lcore 19) > > Time 7.5, average vectors/node 0.00, last 128 main loops 0.00 per node 0.00 > > vector rates in 0.0000e0, out 0.0000e0, drop 0.0000e0, punt 0.0000e0 > > Name State Calls Vectors > Suspends Clocks Vectors/Call > > > > > Thanks, > > > > Pragash Vijayaragavan > > Grad Student at Rochester Institute of Technology > > email : pxv3...@rit.edu > > ph : 585 764 4662 <(585)%20764-4662> > > > > > > On Mon, Nov 6, 2017 at 6:47 AM, Dave Barach (dbarach) <dbar...@cisco.com> > wrote: > > Have you verified that all of the worker threads are processing traffic? > Sufficiently poor RSS statistics could mean - in the limit - that only one > worker thread is processing traffic. > > > > Thanks… Dave > > > > *From:* Pragash Vijayaragavan [mailto:pxv3...@rit.edu] > *Sent:* Sunday, November 5, 2017 10:03 PM > *To:* vpp-dev@lists.fd.io > *Cc:* John Marshall (jwm) <j...@cisco.com>; Neale Ranns (nranns) < > nra...@cisco.com>; Dave Barach (dbarach) <dbar...@cisco.com>; Minseok > Kwon <mxk...@rit.edu> > *Subject:* multi-core multi-threading performance > > > > Hi , > > > > We are measuring performance of ip6 lookup in multi-core multi-worker > environments and > > we don't see good scaling of performance when we keep increasing the > number of cores/workers. > > > > We are just changing the startup.conf file to create more workers, > rx-queues, sock-mem etc. Should we do anything else to see an increase in > performance. > > > > Is there a limitation on the performance even if we increase the number of > workers. > > > > Is it dependent on the number of hardware NICs we have, we only have 1 NIC > to receive the traffic. > > > > > > TIA, > > > Thanks, > > > > Pragash Vijayaragavan > > Grad Student at Rochester Institute of Technology > > email : pxv3...@rit.edu > > ph : 585 764 4662 <(585)%20764-4662> > > > > > > > > >
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