comm_b 561 tools/perf/util/db-export.c struct comm *comm_b = NULL; comm_b 580 tools/perf/util/db-export.c &comm_b, &is_idle_b); comm_b 598 tools/perf/util/db-export.c comm_in_id = comm_b ? comm_b->db_id : 0; comm_b 602 tools/perf/util/db-export.c comm_out_id = comm_b ? comm_b->db_id : 0;