+
+ @staticmethod
+ def vpp_enable_elog_traces_on_dut(node):
+ """Enable API/CLI/Barrier traces on the DUT node.
+
+ :param node: DUT node to set up.
+ :type node: dict
+ """
+ vat = VatExecutor()
+ vat.execute_script("elog_trace_api_cli_barrier.vat", node,
+ json_out=False)
+
+ @staticmethod
+ def vpp_enable_elog_traces_on_all_duts(nodes):
+ """Enable API/CLI/Barrier traces on all DUTs in the given topology.
+
+ :param nodes: Nodes in the topology.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ VPPUtil.vpp_enable_elog_traces_on_dut(node)
+
+ @staticmethod
+ def show_event_logger_on_dut(node):
+ """Show event logger on the DUT node.
+
+ :param node: DUT node to show traces on.
+ :type node: dict
+ """
+ vat = VatExecutor()
+ vat.execute_script("show_event_logger.vat", node, json_out=False)
+
+ @staticmethod
+ def show_event_logger_on_all_duts(nodes):
+ """Show event logger on all DUTs in the given topology.
+
+ :param nodes: Nodes in the topology.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ VPPUtil.show_event_logger_on_dut(node)
+
+ @staticmethod
+ def vpp_show_threads(node):
+ """Show VPP threads on node.
+
+ :param node: Node to run command on.
+ :type node: dict
+ :returns: VPP thread data.
+ :rtype: list
+ :raises RuntimeError: If failed to run command on host.
+ :raises PapiError: If no API reply received.
+ """
+ api_data = list()
+ api = dict(api_name='show_threads')
+ api_args = dict()
+ api['api_args'] = api_args
+ api_data.append(api)
+
+ with PapiExecutor(node) as papi_executor:
+ papi_executor.execute_papi(api_data)
+ try:
+ papi_executor.papi_should_have_passed()
+ api_reply = papi_executor.get_papi_reply()
+ except AssertionError:
+ raise RuntimeError('Failed to run {api_name} on host '
+ '{host}!'.format(host=node['host'], **api))
+
+ if api_reply:
+ return \
+ api_reply[0]['api_reply']['show_threads_reply']['thread_data']
+ else:
+ raise PapiError('No reply received for {api_name} on host {host}!'.
+ format(host=node['host'], **api))