Re: [RFC] How to handle the rules engine for cgroups

[Li Zefan <lizf@cn.fujitsu.com>]

>> Because "a child inherits parent's" rule is very strong, I think the amount
>> of events we have to check is much less than we get report. Can't we add some
>> filter/assumption here ?
>>
> 
> I am not sure if proc connector currently allows filtering of various
> events like fork, exec, exit etc. In a quick look it looks like it
> does not. But probably that can be worked out. Even then, it will just
> help reduce the number of messages queued for user space on that socket
> but will not take away the fact that messages can be dropped under
> memory pressure. 
> 

Proc connector doesn't support event filtering. We can easily add a
global event mask, but not straightforward to add per-socket event mask
if not impossible.