From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: [bpf-next V4 PATCH 8/8] samples/bpf: xdp_monitor use err code
 from tracepoint xdp:xdp_devmap_xmit
Date: Fri, 18 May 2018 22:48:43 +0200
Message-ID: <20180518224843.4d54b73c@redhat.com>
References: <152665044141.21055.1276346542020340263.stgit@firesoul>
        <152665051226.21055.12643992796812932945.stgit@firesoul>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: Christoph Hellwig <hch@infradead.org>,
        =?UTF-8?B?QmrDtnJuVMO2cGVs?= <bjorn.topel@intel.com>,
        Magnus Karlsson <magnus.karlsson@intel.com>,
        makita.toshiaki@lab.ntt.co.jp
To: netdev@vger.kernel.org, Daniel Borkmann <borkmann@iogearbox.net>,
        Alexei Starovoitov <alexei.starovoitov@gmail.com>,
        Jesper Dangaard Brouer <brouer@redhat.com>
Return-path: <netdev-owner@vger.kernel.org>
Received: from mx3-rdu2.redhat.com ([66.187.233.73]:43662 "EHLO mx1.redhat.com"
        rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP
        id S1752229AbeERUsu (ORCPT <rfc822;netdev@vger.kernel.org>);
        Fri, 18 May 2018 16:48:50 -0400
In-Reply-To: <152665051226.21055.12643992796812932945.stgit@firesoul>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

On Fri, 18 May 2018 15:35:12 +0200
Jesper Dangaard Brouer <brouer@redhat.com> wrote:

> Update xdp_monitor to use the recently added err code introduced
> in tracepoint xdp:xdp_devmap_xmit, to show if the drop count is
> caused by some driver general delivery problem.  Other kind of drops
> will likely just be more normal TX space issues.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer