[dpdk-dev] 【Some Questions About Multi-Process Resource Cleaning】

oulijun oulijun at huawei.com
Thu Feb 4 12:47:01 CET 2021



在 2021/2/4 17:25, Thomas Monjalon 写道:
> Hi,
>
> Sorry your questions are quite confused.
> Please start explaining what is the problem you are trying to solve.
Start the master and slave processes at the same time, and then run the 
kill -9 command to kill the slave processes.
The slave process should call rte_eal_cleanup to release resources. But 
I find that there is no release from the process,
and I think there is a resource leak.
> In general, closing a process does not mean removing the device,
> because it can be used by other processes.
>
>
> 04/02/2021 07:56, oulijun:
>> Hi, Thomas Monjalon&Ferruh Yigit and others
>>
>>       I'm analyzing multiprocess with eal. I have some questions I'd like
>> to ask you.
>>
>> Firstly, After the rte_eal_init() command is executed, the master and
>> slave processes are started successfully.
>>
>> and traffic is continuously sent using the tester.If you run the kill -9
>> command to stop the slave process, restart the re-process, and start
>> packet receiving and sending,
>>
>> how to ensure that the eal resource of the slave process is cleaned up?
>>
>> Second, how to invoke the remove function to clear probe resources of
>> the slave process after the slave process exits?
>>
>> Finally, I found out why the rte_eal_cleanup call was not unregistered
>> mp action after the process exited.
>>
>> I look forward to your response.
>>
>>
>> Thanks
>>
>> Lijun Ou
>>
>>
>>
>
>
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> .
>



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