> This fix makes `AsyncGetCallTrace` reentrant and async-signal-safe. > Reentrancy is required in the cases when two or more profiling engines are > running at the same time, e.g., when CPU and Wall clock profilers work > together and therefore one profiler may interrupt another in the middle of > getting a stack trace. > > Tested with async-profiler: > > java > -agentpath:/path/to/libasyncProfiler.so=start,event=cpu,interval=1ms,wall=1ms,file=profile.jfr
Andrei Pangin has updated the pull request incrementally with one additional commit since the last revision: Rephrased comment about AsyncGetCallTrace reentrancy ------------- Changes: - all: https://git.openjdk.org/jdk/pull/18504/files - new: https://git.openjdk.org/jdk/pull/18504/files/af9a57fd..fc5a4831 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=18504&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18504&range=00-01 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/18504.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/18504/head:pull/18504 PR: https://git.openjdk.org/jdk/pull/18504