From: Florian Westphal <fw@strlen.de>
To: Wolfgang Walter <linux@stwm.de>
Cc: netdev@vger.kernel.org, Florian Westphal <fw@strlen.de>,
Steffen Klassert <steffen.klassert@secunet.com>,
David Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
christophe.gouault@6wind.com,
Greg KH <gregkh@linuxfoundation.org>
Subject: Re: Regression: kernel 4.14 an later very slow with many ipsec tunnels
Date: Fri, 26 Oct 2018 00:45:28 +0200 [thread overview]
Message-ID: <20181025224528.5k52dq4cmq3h7tyl@breakpoint.cc> (raw)
In-Reply-To: <2766296.15tpkxTHJV@stwm.de>
Wolfgang Walter <linux@stwm.de> wrote:
> there is now a new 4.19 which still has the big performance regression when
> many ipsec tunnels are configured (throughput and latency get worse by 10 to
> 50 times) which makes any kernel > 4.9 unusable for our routers.
https://git.breakpoint.cc/cgit/fw/net-next.git/log/?h=xfrm_pol_18
This is mostly untested, if you want to test this anyway and
find bugs please feel free to report them to me.
Improvements to test script in patch #1 welcome as well (its what
i've been using so far to test this).
prev parent reply other threads:[~2018-10-25 22:45 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 11:30 Regression: kernel 4.14 an later very slow with many ipsec tunnels Wolfgang Walter
2018-09-13 13:58 ` Florian Westphal
2018-09-13 15:46 ` Wolfgang Walter
2018-09-13 16:38 ` Florian Westphal
2018-09-13 17:23 ` David Miller
2018-09-13 21:03 ` Florian Westphal
2018-09-13 21:12 ` David Miller
2018-09-14 5:06 ` Steffen Klassert
2018-09-14 5:54 ` Florian Westphal
2018-09-14 6:01 ` Steffen Klassert
2018-09-14 8:01 ` Christophe Gouault
2018-09-14 11:49 ` Wolfgang Walter
2018-10-02 14:45 ` Wolfgang Walter
2018-10-02 14:56 ` Florian Westphal
2018-10-02 17:34 ` Wolfgang Walter
2018-10-02 21:35 ` Florian Westphal
2018-10-04 13:57 ` Wolfgang Walter
2018-10-25 9:38 ` Wolfgang Walter
2018-10-25 17:34 ` David Miller
2018-10-25 19:24 ` Florian Westphal
2018-10-26 12:18 ` Wolfgang Walter
2018-10-25 22:45 ` Florian Westphal [this message]
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