Set JVMTI callbacks only once
Set JVMTI callbacks only once

incubos/async-profiler,jvm-profiling-tools/async-profiler,incubos/async-profiler,jvm-profiling-tools/async-profiler,jvm-profiling-tools/async-profiler,jvm-profiling-tools/async-profiler,apangin/async-profiler,incubos/async-profiler,jvm-profiling-tools/async-profiler,apangin/async-profiler,apangin/async-profiler,apangin/async-profiler,incubos/async-profiler