Re: [RFC PATCH v2 2/3] tracefs: add instances support for uprobe events

From: Aravinda Prasad
Date: Wed Aug 03 2016 - 16:16:56 EST




On Thursday 04 August 2016 01:40 AM, Steven Rostedt wrote:
> On Thu, 4 Aug 2016 01:00:51 +0530
> Aravinda Prasad <aravinda@xxxxxxxxxxxxxxxxxx> wrote:
>
>>
>>> Can a container have its own function tracing?
>>
>> Sorry, I didn't understand that. Do you mean to have a separate
>> per-container trace files?
>
> Actually, it's more my ignorance of containers, as I haven't had the
> need to play with them. Although, I think it may be time to do so.
>
> When a container enters kernel mode, I'm assuming that it's part of the
> host at that moment, and the host needs to take care of separating
> everything? That is, there's not a "second kernel" like VMs have, right?

Yes. The host needs to take care of separating everything. There is no
"second kernel".

>
> -- Steve
>

--
Regards,
Aravinda