On Wed, 19 May 2021 15:23:55 GMT, Jaroslav Bachorik <jbacho...@openjdk.org> wrote:
>> With this change it becomes possible to surface various cgroup level metrics >> (available via `jdk.internal.platform.Metrics`) as JFR events. >> >> Only a subset of the metrics exposed by `jdk.internal.platform.Metrics` is >> turned into JFR events to start with. >> * CPU related metrics >> * Memory related metrics >> * I/O related metrics >> >> For each of those subsystems a configuration data will be emitted as well. >> The initial proposal is to emit the configuration data events at least once >> per chunk and the metrics values at 30 seconds interval. >> By using these values the emitted events seem to contain useful information >> without increasing overhead (the metrics values are read from `/proc` >> filesystem so that should not be done too frequently). > > Jaroslav Bachorik has refreshed the contents of this pull request, and > previous commits have been removed. The incremental views will show > differences compared to the previous content of the PR. The pull request > contains one new commit since the last revision: > > Fix event metadata LGTM ------------- Marked as reviewed by sgehwolf (Reviewer). PR: https://git.openjdk.java.net/jdk/pull/3126
