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From: Stefano Brivio <sbrivio@redhat.com>
To: Florian Westphal <fw@strlen.de>, Phil Sutter <phil@nwl.cc>
Cc: "Pablo Neira Ayuso" <pablo@netfilter.org>,
	netfilter-devel@vger.kernel.org,
	"Kadlecsik József" <kadlec@blackhole.kfki.hu>,
	"Eric Garver" <eric@garver.life>
Subject: Re: [PATCH nft v4 4/4] tests: Introduce test for set with concatenated ranges
Date: Mon, 10 Feb 2020 17:16:47 +0100	[thread overview]
Message-ID: <20200210171647.12948007@elisabeth> (raw)
In-Reply-To: <20200210160410.GH2991@breakpoint.cc>

On Mon, 10 Feb 2020 17:04:10 +0100
Florian Westphal <fw@strlen.de> wrote:

> Stefano Brivio <sbrivio@redhat.com> wrote:
> > On Fri, 7 Feb 2020 11:34:42 +0100
> > Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> >   
> > > On Thu, Jan 30, 2020 at 01:16:58AM +0100, Stefano Brivio wrote:  
> > > > This test checks that set elements can be added, deleted, that
> > > > addition and deletion are refused when appropriate, that entries
> > > > time out properly, and that they can be fetched by matching values
> > > > in the given ranges.    
> > > 
> > > I'll keep this back so Phil doesn't have to do some knitting work
> > > meanwhile the tests finishes for those 3 minutes.  
> > 
> > But I wanted to see his production :(
> >   
> > > If this can be shortened, better. Probably you can add a parameter to
> > > enable the extra torture test mode not that is away from the
> > > ./run-test.sh path.  
> > 
> > I can't think of an easy way to remove that sleep(1), I could decrease
> > the timeouts passed to nft but then there's no portable way to wait for
> > less than one second.  
> 
> Even busybox' sleep can do 'sleep 0.01'

Wait, that's only if you build it with ENABLE_FEATURE_FANCY_SLEEP and
ENABLE_FLOAT_DURATION.

> do we really need to be *that* portable?

I don't actually know :)

However, with Phil's idea:

On Mon, 10 Feb 2020 16:51:47 +0100
Phil Sutter <phil@nwl.cc> wrote:

> You could test the timeout feature just once and for all? I doubt there
> will ever be a bug in that feature which only a certain data type
> exposes, but you may e.g. create all the sets with elements at the same
> time so waiting for the timeout once is enough.

which I think is entirely reasonable, this becomes a single
one-second sleep, so it shouldn't be a problem anymore.

I would propose that I try this first, see if it gets reasonable, if
it's not enough I'd go on and just reduce the number of combinations
depending on how the script is invoked.

-- 
Stefano


      reply	other threads:[~2020-02-10 16:17 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-30  0:16 [PATCH nft v4 0/4] Introduce support for concatenated ranges Stefano Brivio
2020-01-30  0:16 ` [PATCH nft v4 1/4] include: resync nf_tables.h cache copy Stefano Brivio
2020-02-07 10:25   ` Pablo Neira Ayuso
2020-01-30  0:16 ` [PATCH nft v4 2/4] src: Add support for NFTNL_SET_DESC_CONCAT Stefano Brivio
2020-02-07 10:25   ` Pablo Neira Ayuso
2020-01-30  0:16 ` [PATCH nft v4 3/4] src: Add support for concatenated set ranges Stefano Brivio
2020-02-07 10:33   ` Pablo Neira Ayuso
2020-02-10 15:08     ` Stefano Brivio
2020-02-07 11:18   ` Pablo Neira Ayuso
2020-02-10 15:09     ` Stefano Brivio
2020-01-30  0:16 ` [PATCH nft v4 4/4] tests: Introduce test for set with concatenated ranges Stefano Brivio
2020-02-06 10:14   ` Phil Sutter
2020-02-07 10:34   ` Pablo Neira Ayuso
2020-02-10 15:08     ` Stefano Brivio
2020-02-10 15:51       ` Phil Sutter
2020-02-10 16:04       ` Florian Westphal
2020-02-10 16:16         ` Stefano Brivio [this message]

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