DPDK patches and discussions
 help / color / mirror / Atom feed
From: Kai Zhang <zhang.4522@osu.edu>
To: dev@dpdk.org
Subject: [dpdk-dev] Running independent processes on the same machine
Date: Sun, 20 Jul 2014 14:03:35 -0400	[thread overview]
Message-ID: <CACKSPmdz-LxpezPfn7UxBkTRFCoWXhQnO-qhEd+4UwMdHw-7sA@mail.gmail.com> (raw)

Hello,

I have been trying to measure the round trip latency with two machines,
A->B->A. I modified l2fwd as two new apps: rx and tx, where tx sends
packets and embeds time stamp, rx receives packets and calculate the round
trip latency.
The source code are as follows:
https://github.com/kay21s/dpdk/tree/master/examples/rx
https://github.com/kay21s/dpdk/tree/master/examples/tx

Both of rx and tx run correctly if only one app is running. However, when I
am trying to run rx and tx simultaneously on machine A, rx cannot receive
any packets.
The commands I used are


sudo ./build/tx -c 0x2 -n 1 --file-prefix p2 -m 64 -- -q 1 -p 1
sudo ./build/rx -c 0x1 -n 1 --file-prefix p1 -m 64 -- -q 1 -p 1

Thanks for your help,
Kai

             reply	other threads:[~2014-07-20 18:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-20 18:03 Kai Zhang [this message]
2014-07-20 19:15 ` Richardson, Bruce
2014-07-21  0:19   ` Kai Zhang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CACKSPmdz-LxpezPfn7UxBkTRFCoWXhQnO-qhEd+4UwMdHw-7sA@mail.gmail.com \
    --to=zhang.4522@osu.edu \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).