From: Jakub Kicinski <kuba@kernel.org>
To: Ido Schimmel <idosch@nvidia.com>
Cc: Petr Machata <petrm@nvidia.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [TEST] gre_multipath_nh_res takes forever
Date: Mon, 19 Feb 2024 11:17:21 -0800 [thread overview]
Message-ID: <20240219111721.2f97be53@kernel.org> (raw)
In-Reply-To: <ZdOG8oxNu5gOImDd@shredder>
On Mon, 19 Feb 2024 18:50:58 +0200 Ido Schimmel wrote:
> > I bumped the timeouts for forwarding tests with kernel debug enabled
> > yesterday, and gre_multipath_nh_res still doesn't finish even tho it
> > runs for close to 3 hours. On a non-debug kernel it takes around 30min.
> >
> > You probably have a better idea how to address this than me, but it
> > seems to time out on the IPv6 tests - I wonder if using mausezahn
> > instead of ping for IPv6 would help a bit?
>
> Converted from ping6 to mausezahn, but the test was still relatively
> slow because of the 1msec delay we pass the mausezahn. After converting
> to mausezahn and removing the delay the runtime dropped from ~350
> seconds to ~15 seconds on my system.
Great!
> I think I will parametrize the delay for platforms that might need it,
> but default it to 0 as it's not needed with veth. The same change is
> needed in other tests. Will submit it together with Petr's selftest
> changes.
SG, thanks!
prev parent reply other threads:[~2024-02-19 19:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-15 17:50 [TEST] gre_multipath_nh_res takes forever Jakub Kicinski
2024-02-19 16:50 ` Ido Schimmel
2024-02-19 19:17 ` Jakub Kicinski [this message]
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