From: Stephen Hemminger <stephen@networkplumber.org>
To: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH iproute] iptuntap: show processes using tuntap interface
Date: Thu, 25 Aug 2016 08:44:24 -0700 [thread overview]
Message-ID: <20160825084424.73a31b8a@xeon-e3> (raw)
In-Reply-To: <1472062105-17995-1-git-send-email-hannes@stressinduktion.org>
On Wed, 24 Aug 2016 20:08:25 +0200
Hannes Frederic Sowa <hannes@stressinduktion.org> wrote:
> Show which processes are using which tun/tap devices, e.g.:
>
> $ ip -d tuntap
> tun0: tun
> Attached to processes: vpnc(9531)
> vnet0: tap vnet_hdr
> Attached to processes: qemu-system-x86(10442)
> virbr0-nic: tap UNKNOWN_FLAGS:800
> Attached to processes:
>
> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
I think reading all of /proc like this will scale really badly on large systems.
Why reinvent lsof?
next prev parent reply other threads:[~2016-08-25 15:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-24 18:08 [PATCH iproute] iptuntap: show processes using tuntap interface Hannes Frederic Sowa
2016-08-25 15:44 ` Stephen Hemminger [this message]
2016-08-25 19:37 ` Hannes Frederic Sowa
2016-09-01 16:06 ` Stephen Hemminger
2016-09-01 16:07 ` Hannes Frederic Sowa
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