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From: "Tetsuya.Mukawa" <mukawa@igel.co.jp>
To: "Zhangkun (K)" <zhang.zhangkun@huawei.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Are there considerations about resource recycling by the process, not by the OS?
Date: Fri, 05 Sep 2014 18:32:05 +0900	[thread overview]
Message-ID: <54098315.6080107@igel.co.jp> (raw)
In-Reply-To: <0FCB215400789046A95ECE23C3E46C515F958EFE@szxema505-mbx.china.huawei.com>

Hi Zhangkun,

Do you talk about resource management of DPDK when a process is finished?
If so, I guess DPDK doesn't care so much about freeing resources once
allocated by the process.
For example, there is no function to free a mempool.

Thanks,
Tetsuya

(2014/09/05 12:39), Zhangkun (K) wrote:
> Hi,
>     Yes, the program is running as root.
>     I want to know if or not the DPDK Community considers about resource recycling.
>
> From: Masaru Oki [mailto:m-oki@stratosphere.co.jp]
> Date: 2014年9月5日 11:18
> To: Zhangkun (K)
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] Are there considerations about resource recycling by the process, not by the OS?
>
> Hi,
>
> you may try
>  $ gdb your_program
>  gdb> b rte_panic
>  gdb> run
>  stopped at rte_panic
>  gdb> bt
>
> sorry, it is not answer for your question.
> by the way, do you run the program as root?
>
>
> 2014-09-05 12:07 GMT+09:00 Zhangkun (K) <zhang.zhangkun@huawei.com<mailto:zhang.zhangkun@huawei.com>>:
> Hi,
>    I develop the program with the use of dpdk and the process is core dump when the program is started.
> The process is crash in case of initing memory failed and calling rte_panic function.
>  I search all rte_panic function in the dpdk, and find it so many. Therefore, in case the pr ocess happen fail,
> it will abort. The resource allocated before is not released by the process, but by the OS system.
> So I have a question: Are there considerations about resource recycling by the process, not by the OS ?
>

      parent reply	other threads:[~2014-09-05  9:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-05  3:07 Zhangkun (K)
2014-09-05  3:17 ` Masaru Oki
2014-09-05  3:39   ` Zhangkun (K)
2014-09-05  8:18     ` Richardson, Bruce
2014-09-05  9:32     ` Tetsuya.Mukawa [this message]

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