src/hotspot/share/services/attachListener.cpp

*** 242,252 ****
    return JNI_OK;
  }
  
  // Valid Arguments:
  // "-live" or "-all"
! // "parallelThreadNum=<N>"
  // "<filepath>"
  static jint process_heap_inspect_options(const char* argline,
                                           outputStream* out,
                                           HeapInspectArgs* args) {
    char* save_ptr;
--- 242,252 ----
    return JNI_OK;
  }
  
  // Valid Arguments:
  // "-live" or "-all"
! // "parallel=<N>"
  // "<filepath>"
  static jint process_heap_inspect_options(const char* argline,
                                           outputStream* out,
                                           HeapInspectArgs* args) {
    char* save_ptr;
*** 260,271 ****
      // "-live" or "-all"
      if (strcmp(arg, "-live") == 0) {
        args->_live_object_only = true;
      } else if (strcmp(arg, "-all") == 0) {
        args->_live_object_only = false;
!     } else if (strncmp(arg, "parallelThreadNum=", 18) == 0) {
!       char* num_str = &arg[18];
        uintx num = 0;
        if (!Arguments::parse_uintx(num_str, &num, 0)) {
          out->print_cr("Invalid parallel thread number");
          return JNI_ERR;
        }
--- 260,271 ----
      // "-live" or "-all"
      if (strcmp(arg, "-live") == 0) {
        args->_live_object_only = true;
      } else if (strcmp(arg, "-all") == 0) {
        args->_live_object_only = false;
!     } else if (strncmp(arg, "parallel=", 9) == 0) {
!       char* num_str = &arg[9];
        uintx num = 0;
        if (!Arguments::parse_uintx(num_str, &num, 0)) {
          out->print_cr("Invalid parallel thread number");
          return JNI_ERR;
        }
*** 326,336 ****
      }
      live_objects_only = args._live_object_only;
      os = args._fs == NULL ? out : args._fs;
      parallel_thread_num = args._parallel_thread_num == 0 ? parallel_thread_num : args._parallel_thread_num;
      if (parallel_thread_num == 0) {
-       // processor_count() <= 2, disable parallel.
        parallel_thread_num = 1;
      }
    }
  
    VM_GC_HeapInspection heapop(os, live_objects_only /* request full gc */, parallel_thread_num);
--- 326,335 ----