parent_task 707 tools/perf/builtin-report.c struct task *parent_task; parent_task 721 tools/perf/builtin-report.c parent_task = thread__priv(parent_thread); parent_task 722 tools/perf/builtin-report.c list_add_tail(&task->list, &parent_task->children); parent_task 723 tools/perf/builtin-report.c return tasks_list(parent_task, machine);