66 	evlist->ctl_fd.fd = -1;  in evlist__init()
67 	evlist->ctl_fd.ack = -1;  in evlist__init()
68 	evlist->ctl_fd.pos = -1;  in evlist__init()
1735 static int evlist__parse_control_fifo(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_c…  in evlist__parse_control_fifo()  argument
1765 	*ctl_fd = fd;  in evlist__parse_control_fifo()
1784 int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close)  in evlist__parse_control()  argument
1791 		return evlist__parse_control_fifo(str, ctl_fd, ctl_fd_ack, ctl_fd_close);  in evlist__parse_control()
1793 	*ctl_fd = strtoul(&str[3], &endptr, 0);  in evlist__parse_control()
1810 void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close)  in evlist__close_control()  argument
1814 		close(ctl_fd);  in evlist__close_control()
1827 	evlist->ctl_fd.pos = perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN,  in evlist__initialize_ctlfd()
1829 	if (evlist->ctl_fd.pos < 0) {  in evlist__initialize_ctlfd()
1830 		evlist->ctl_fd.pos = -1;  in evlist__initialize_ctlfd()
1835 	evlist->ctl_fd.fd = fd;  in evlist__initialize_ctlfd()
1836 	evlist->ctl_fd.ack = ack;  in evlist__initialize_ctlfd()
1843 	return evlist->ctl_fd.pos >= 0;  in evlist__ctlfd_initialized()
1853 	entries[evlist->ctl_fd.pos].fd = -1;  in evlist__finalize_ctlfd()
1854 	entries[evlist->ctl_fd.pos].events = 0;  in evlist__finalize_ctlfd()
1855 	entries[evlist->ctl_fd.pos].revents = 0;  in evlist__finalize_ctlfd()
1857 	evlist->ctl_fd.pos = -1;  in evlist__finalize_ctlfd()
1858 	evlist->ctl_fd.ack = -1;  in evlist__finalize_ctlfd()
1859 	evlist->ctl_fd.fd = -1;  in evlist__finalize_ctlfd()
1876 		err = read(evlist->ctl_fd.fd, &c, 1);  in evlist__ctlfd_recv()
1890 				pr_err("Failed to read from ctlfd %d: %m\n", evlist->ctl_fd.fd);  in evlist__ctlfd_recv()
1919 	if (evlist->ctl_fd.ack == -1)  in evlist__ctlfd_ack()
1922 	err = write(evlist->ctl_fd.ack, EVLIST_CTL_CMD_ACK_TAG,  in evlist__ctlfd_ack()
1925 		pr_err("failed to write to ctl_ack_fd %d: %m\n", evlist->ctl_fd.ack);  in evlist__ctlfd_ack()
1934 	int ctlfd_pos = evlist->ctl_fd.pos;  in evlist__ctlfd_process()