netdev - Re: [PATCH net v3 3/3] selftests: fib_tests: Add multipath list receive tests

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Date: Mon, 28 Aug 2023 12:57:20 -0600
From: David Ahern <dsahern@...nel.org>
To: Ido Schimmel <idosch@...sch.org>,
 Sriram Yagnaraman <sriram.yagnaraman@....tech>, kuba@...nel.org,
 pabeni@...hat.com
Cc: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
 "David S . Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Ido Schimmel <idosch@...dia.com>,
 Shuah Khan <shuah@...nel.org>, Petr Machata <petrm@...dia.com>
Subject: Re: [PATCH net v3 3/3] selftests: fib_tests: Add multipath list
 receive tests

On 8/28/23 9:24 AM, Ido Schimmel wrote:
> On Mon, Aug 28, 2023 at 01:32:21PM +0200, Sriram Yagnaraman wrote:
>> The test uses perf stat to count the number of fib:fib_table_lookup
>> tracepoint hits for IPv4 and the number of fib6:fib6_table_lookup for
>> IPv6. The measured count is checked to be within 5% of the total number
>> of packets sent via veth1.
>>
>> Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@....tech>
> 
> I just tested this with a debug config and noticed that the single path
> test is not very stable. It's not really related to the bug fix, so I
> think you can simply remove it.
> 
> Jakub / Paolo, this change conflicts with changes in net-next and I
> assume that the next PR that you are going to send is from net-next.
> What is your preference in this case? Wait for the PR to be accepted and
> for master to be merged into net?
> 
> Thanks

Ido, thanks for staying on top of this change and the details with the
test cases.