On Fri, 29 Mar 2024 15:25:48 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
> This change simplifies the code that grows the jmethodID cache in > InstanceKlass. Instead of lazily, when there's a rare request for a > jmethodID for an obsolete method, the jmethodID cache is grown during the > RedefineClasses safepoint. The InstanceKlass's jmethodID cache is lazily > allocated when there's a jmethodID allocated, so not every InstanceKlass has > a cache, but the growth now only happens in a safepoint. This code will > become racy with the potential change for deallocating jmethodIDs. > > Tested with tier1-4, vmTestbase/nsk/jvmti java/lang/instrument tests (in case > they're not in tier1-4). This pull request has now been integrated. Changeset: 21867c92 Author: Coleen Phillimore <cole...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/21867c929a2f2c961148f2cd1e79d672ac278d27 Stats: 229 lines in 7 files changed: 44 ins; 151 del; 34 mod 8313332: Simplify lazy jmethodID cache in InstanceKlass Reviewed-by: amenkov, sspitsyn, dcubed ------------- PR: https://git.openjdk.org/jdk/pull/18549
