Re: [dpdk-dev] [PATCH v3 0/2] testpmd: simulating noisy host environment

[Maxime Coquelin <maxime.coquelin@redhat.com>]

Hi Bernard,

On 05/11/2018 01:50 PM, Iremonger, Bernard wrote:
> Hi Jens,
> 
> <snip>
> 
>> Subject: [dpdk-dev] [PATCH v3 0/2] testpmd: simulating noisy host
>> environment
>>
>> This series adds a new forwarding mode 'noisy'.  It proposes enhancements
>> to testpmd to simulate more realistic behavior of a guest machine engaged in
>> receiving and sending packets performing Virtual Network Function (VNF).
>>
>> The goal is to enable simple of measuring performance impact on cache and
>> memory footprint utilization from various VNF co-located on the same host
>> machine.
>>
>> This series of patches adds the new command line switches to
>> testpmd:
>>
>> --noisy-buffersize-before-sending [packet numbers]
>>
>> Keep the mbuf in a FIFO and forward the over flooding packets from the
>> FIFO. This queue is per TX-queue (after all other packet processing).
>>
>> --noisy-flush-timeout [delay]
>> Flush the packet queue if no packets have been seen during [delay]. As long
>> as packets are seen, the timer is reset.
>>
>>
>> Options to simulate route lookups:
>>
>> --noisy-memory-footprint [size]
>> Size of the VNF internal memory (MB), in which the random read/write will
>> be done, allocated by rte_malloc (hugepages).
>>
>> --noisy-nb-rnd-write [num]
>> Number of random writes in memory per packet should be performed,
>> simulating hit-flags update. 64 bits per write, all write in different cache lines.
>>
>> --noisy-nb-rnd-read [num]
>> Number of random reads in memory per packet should be performed,
>> simulating FIB/table lookups. 64 bits per read, all write in different cache
>> lines.
>>
>> --noisy-nb-rnd-read-write [num]
>> Number of random reads and writes in memory per packet should be
>> performed, simulating stats update. 64 bits per read-write, all reads and
>> writes in different cache lines.
>>
>> Comments are appreciated.
>>
>> regards,
>> Jens
>>
> <snip>
> 
> This patch set does not apply to the current master branch, could you rebase please to the latest master branch.

As Jens isn't available until mid-July, I'll take care to rebase it.

Thanks for the notification,
Maxime

> Regards,
> 
> Bernard.
>