switch (config->aggr_mode) {
        case AGGR_CORE:
-               fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"cpu-count\" : %d, ",
+               fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ",
                        id.socket, id.die, id.core, nr);
                break;
        case AGGR_DIE:
-               fprintf(output, "\"die\" : \"S%d-D%d\", \"cpu-count\" : %d, ",
+               fprintf(output, "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ",
                        id.socket, id.die, nr);
                break;
        case AGGR_SOCKET:
-               fprintf(output, "\"socket\" : \"S%d\", \"cpu-count\" : %d, ",
+               fprintf(output, "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ",
                        id.socket, nr);
                break;
        case AGGR_NODE:
-               fprintf(output, "\"node\" : \"N%d\", \"cpu-count\" : %d, ",
+               fprintf(output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ",
                        id.node, nr);
                break;
        case AGGR_NONE: