RFR: 8203359: Container level resources events [v8]

[Erik Gahlin]

On Wed, 14 Apr 2021 12:14:33 GMT, Jaroslav Bachorik <jbachorik at openjdk.org> wrote:

>> src/jdk.jfr/share/classes/jdk/jfr/events/ContainerCPUThrottlingEvent.java line 44:
>> 
>>> 42: @Category({"Operating System", "Container", "Processor"})
>>> 43: @Description("Container CPU throttling related information.")
>>> 44: public class ContainerCPUThrottlingEvent extends AbstractJDKEvent {
>> 
>> I wonder if we should put all the container events in the same category {"Operating System", "Container"}, Or possibly add them under the already existing categories under "Operating System"?
>
> I guess we could fit those events under `Operating System/Memory` and `Operating System/Processor` categories.
> What about I/O? Currently, there is only `Operating System/Network` category. The options are:
> * Add `Operating System/IO` category and move `Network` to `Operating System/IO/Network`
> * Add `Operation System/FileSystem` category and move the container IO event there
> 
> What would you prefer?

I prefer adding File System (or having separate container category).

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PR: https://git.openjdk.java.net/jdk/pull/3126