+
+ @staticmethod
+ def get_affinity_trex(
+ node, if1_pci, if2_pci, tg_mtc=1, tg_dtc=1, tg_ltc=1):
+ """Get affinity for T-Rex. Result will be used to pin T-Rex threads.
+
+ :param node: TG node.
+ :param if1_pci: TG first interface.
+ :param if2_pci: TG second interface.
+ :param tg_mtc: TG main thread count.
+ :param tg_dtc: TG dataplane thread count.
+ :param tg_ltc: TG latency thread count.
+ :type node: dict
+ :type if1_pci: str
+ :type if2_pci: str
+ :type tg_mtc: int
+ :type tg_dtc: int
+ :type tg_ltc: int
+ :returns: List of CPUs allocated to T-Rex including numa node.
+ :rtype: int, int, int, list
+ """
+ interface_list = [if1_pci, if2_pci]
+ cpu_node = Topology.get_interfaces_numa_node(node, *interface_list)
+
+ master_thread_id = CpuUtils.cpu_slice_of_list_per_node(
+ node, cpu_node, skip_cnt=0, cpu_cnt=tg_mtc,
+ smt_used=False)
+
+ threads = CpuUtils.cpu_slice_of_list_per_node(
+ node, cpu_node, skip_cnt=tg_mtc, cpu_cnt=tg_dtc,
+ smt_used=False)
+
+ latency_thread_id = CpuUtils.cpu_slice_of_list_per_node(
+ node, cpu_node, skip_cnt=tg_mtc + tg_dtc, cpu_cnt=tg_ltc,
+ smt_used=False)
+
+ return master_thread_id[0], latency_thread_id[0], cpu_node, threads