[Rev 03] RFR: 6542: Improve calls to render in the flame view

[Miroslav Wengner]

> stable flameview generation

Miroslav Wengner has updated the pull request incrementally with one additional commit since the last revision:

  6542: cleaning code

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Changes:
  - all: https://git.openjdk.java.net/jmc/pull/78/files
  - new: https://git.openjdk.java.net/jmc/pull/78/files/ff0546b1..28abb117

Webrevs:
 - full: https://webrevs.openjdk.java.net/jmc/78/webrev.03
 - incr: https://webrevs.openjdk.java.net/jmc/78/webrev.02-03

  Stats: 37 lines in 4 files changed: 12 ins; 23 del; 2 mod
  Patch: https://git.openjdk.java.net/jmc/pull/78.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/78/head:pull/78

PR: https://git.openjdk.java.net/jmc/pull/78