in src/c/perf-map-agent.c [189:203]
jvmtiError enable_capabilities(jvmtiEnv *jvmti) {
jvmtiCapabilities capabilities;
memset(&capabilities,0, sizeof(capabilities));
capabilities.can_generate_all_class_hook_events = 1;
capabilities.can_tag_objects = 1;
capabilities.can_generate_object_free_events = 1;
capabilities.can_get_source_file_name = 1;
capabilities.can_get_line_numbers = 1;
capabilities.can_generate_vm_object_alloc_events = 1;
capabilities.can_generate_compiled_method_load_events = 1;
// Request these capabilities for this JVM TI environment.
return (*jvmti)->AddCapabilities(jvmti, &capabilities);
}