On Mon, 25 May 2026 04:09:10 GMT, Benjamin Peterson <[email protected]> wrote:
>> StubRoutines blobs bundle many individually-named stubs into a single >> BufferBlob, so perf profiles previously attributed all samples inside those >> blobs to the enclosing blob name (e.g. "StubRoutines (compiler stubs)"). >> Walk the StubCodeDesc list and emit a line per descriptor, so perf can name >> the actual stub. >> >> >> >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > Benjamin Peterson has updated the pull request with a new target base due to > a merge or a rebase. The incremental webrev excludes the unrelated changes > brought in by the merge/rebase. The pull request contains three additional > commits since the last revision: > > - use space instead of :: > - Merge branch 'master' into perfmap-stub-entries > - 8383709: Linux perf map should record individual stubs > > StubRoutines blobs bundle many individually-named stubs into a single > BufferBlob, so perf profiles previously attributed all samples inside those > blobs to the enclosing blob name (e.g. "StubRoutines (compiler stubs)"). Walk > the StubCodeDesc list and emit a line per descriptor, so perf can name the > actual stub. src/hotspot/share/code/codeCache.cpp line 1980: > 1978: CodeBlob *cb = iter.method(); > 1979: if (is_stub_code_blob(cb)) { > 1980: continue; Please add some comments that stub code would be handled latter. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/31007#discussion_r3296330191
