RFR: 8264482: container info misleads on non-container environment [v3]

[Yasumasa Suenaga]

> hs_err log and `VM.info` dcmd shows cgroup information as container information even though the process run on non-container environment as following.
> 
> container (cgroup) information:
> container_type: cgroupv2
> cpu_cpuset_cpus: not supported
> cpu_memory_nodes: not supported
> active_processor_count: 4
> cpu_quota: not supported
> cpu_period: not supported
> cpu_shares: not supported
> memory_limit_in_bytes: unlimited
> memory_and_swap_limit_in_bytes: unlimited
> memory_soft_limit_in_bytes: unlimited
> memory_usage_in_bytes: 164163584
> memory_max_usage_in_bytes: not supported
> 
> We can use cgroup outside of container, so it is useful to show. However cgroup is different from container. We should distinguish them.
> And also it is useful if we can see container runtime in this section. So I added it. We can see following contents in this section after this change.
> 
> cgroup information:
> cgroup_type: cgroupv2
> container runtime: podman
> cpu_cpuset_cpus: not supported
> cpu_memory_nodes: not supported
> active_processor_count: 4
> cpu_quota: not supported
> cpu_period: not supported
> cpu_shares: not supported
> memory_limit_in_bytes: unlimited
> memory_and_swap_limit_in_bytes: unlimited
> memory_soft_limit_in_bytes: unlimited
> memory_usage_in_bytes: 256176128
> memory_max_usage_in_bytes: not supported
> 
> In case of systemd, it checks PID (PID 1 or not) and `$container` in PID 1. We should check them to know the JVM runs on the container or not.
> 
> https://github.com/systemd/systemd/blob/68337e55f62cf49b7bdfb73dc5662e23b0ea17fa/src/basic/virt.c#L619

Yasumasa Suenaga has updated the pull request incrementally with one additional commit since the last revision:

  Use resource controller name for unified logging

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3280/files
  - new: https://git.openjdk.java.net/jdk/pull/3280/files/8fd9b3f9..15000e9e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3280&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3280&range=01-02

  Stats: 25 lines in 6 files changed: 5 ins; 3 del; 17 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3280.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3280/head:pull/3280

PR: https://git.openjdk.java.net/jdk/pull/3280