poll_fd            50 tools/virtio/virtio-trace/trace-agent-ctl.c 	struct pollfd poll_fd;
poll_fd            54 tools/virtio/virtio-trace/trace-agent-ctl.c 		poll_fd.fd = ctl_fd;
poll_fd            55 tools/virtio/virtio-trace/trace-agent-ctl.c 		poll_fd.events = POLLIN;
poll_fd            57 tools/virtio/virtio-trace/trace-agent-ctl.c 		ret = poll(&poll_fd, 1, EVENT_WAIT_MSEC);