RFR: 7336: Add support for new JFR event systemGC [v2]

Thu Sep 16 06:58:45 UTC 2021

> `SystemGC` event brings stacktrace when a `System.gc()` is triggered
> We can then correlate with GarbageCollection event with "System.gc()"
> cause to this new event to be able to show stacktrace in Stacktrace
> View/Flameview
> 
> <img width="893" alt="Screenshot 2021-09-15 at 22 54 03" src="https://user-images.githubusercontent.com/4610701/133508127-23bb8539-6f67-4e65-be35-6c746e08ced2.png">

Jean-Philippe Bempel has updated the pull request incrementally with one additional commit since the last revision:

  formatting

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Changes:
  - all: https://git.openjdk.java.net/jmc/pull/307/files
  - new: https://git.openjdk.java.net/jmc/pull/307/files/3b0f0b3a..99a7aad9

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jmc&pr=307&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jmc&pr=307&range=00-01

  Stats: 4 lines in 1 file changed: 1 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jmc/pull/307.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/307/head:pull/307

PR: https://git.openjdk.java.net/jmc/pull/307