bool jvmci_counters_include(JavaThread* thread) {
  oop threadObj = thread->threadObj();
  return !JVMCICountersExcludeCompiler || !thread->is_Compiler_thread();
}

This is a leftover from this change:

http://hg.openjdk.java.net/graal/graal-jvmci-8/diff/43e2cc9a4fde/src/share/vm/runtime/thread.cpp