netdev - Re: [PATCH net-next 5/5] selftests/net: Adding test cases of replacing routes and route advertisements.

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Message-ID: <d6336f60-f1c1-4d90-ac86-e003d47be7ef@gmail.com>
Date: Wed, 31 Jan 2024 13:14:40 -0800
From: Kui-Feng Lee <sinquersw@...il.com>
To: Jakub Kicinski <kuba@...nel.org>, thinker.li@...il.com
Cc: netdev@...r.kernel.org, ast@...nel.org, martin.lau@...ux.dev,
 kernel-team@...a.com, davem@...emloft.net, dsahern@...nel.org,
 edumazet@...gle.com, pabeni@...hat.com, liuhangbin@...il.com,
 kuifeng@...a.com
Subject: Re: [PATCH net-next 5/5] selftests/net: Adding test cases of
 replacing routes and route advertisements.

On 1/31/24 11:20, Jakub Kicinski wrote:
> On Tue, 30 Jan 2024 22:40:41 -0800 thinker.li@...il.com wrote:
>> +	N_PERM=$($IP -6 route list |grep -v expires|grep 2001:20::|wc -l)
>> +	if [ $N_PERM -ne 100 ]; then
>> +	    echo "FAIL: expected 100 permanent routes, got $N_PERM"
>> +	    ret=1
>> +	else
>> +	    ret=0
>> +	fi
> 
> This fails on our slow VM:
> 
> #     TEST: expected 100 routes with expires, got 98                      [FAIL]
> 
> on a VM with kernel debug enable the test times out (it doesn't print
> anything for 10min):
> 
> https://netdev-3.bots.linux.dev/vmksft-net-dbg/results/445222/6-fib-tests-sh/stdout

I will reduce the number of routes to 100 instead of 5000 to see if it
helps.