On Fri, 17 Oct 2025 21:02:08 GMT, Serguei Spitsyn <[email protected]> wrote:
> With [JDK-8359110](https://bugs.openjdk.org/browse/JDK-8359110) a framework > to measure GC CPU time was introduced. > It will be exposed in JMX as `MemoryMXBean.getTotalGcCpuTime()`. There is > also interest to get the same performance data from JVMTI. > The following API's are being added with this enhancement: > > Introduce: > - new capability: `can_get_gc_cpu_time` > - new JVMTI functions: > - `jvmtiError GetGCCpuTimerInfo(jvmtiEnv* env, jvmtiTimerInfo* info_ptr)` > - `jvmtiError GetTotalGCCpuTime(jvmtiEnv* env, jlong* nanos_ptr)` > > **CSR**: [8370159](https://bugs.openjdk.org/browse/JDK-8370159): Spec: > introduce new JVMTI function GetTotalGCCpuTime > > Testing: > - TBD: Mach5 tiers 1-6 This pull request has been closed without being integrated. ------------- PR: https://git.openjdk.org/jdk/pull/27879
