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# Copyright (c) 2019 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""VPP counters utilities library."""
from pprint import pformat
from robot.api import logger
from resources.libraries.python.PapiExecutor import PapiExecutor, \
PapiSocketExecutor
from resources.libraries.python.topology import Topology, SocketType, NodeType
class VppCounters:
"""VPP counters utilities."""
def __init__(self):
self._stats_table = None
@staticmethod
def vpp_show_errors(node):
"""Run "show errors" debug CLI command.
:param node: Node to run command on.
:type node: dict
"""
PapiSocketExecutor.run_cli_cmd_on_all_sockets(node, u"show errors")
@staticmethod
def vpp_show_errors_on_all_duts(nodes):
"""Show errors on all DUTs.
:param nodes: VPP nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.vpp_show_errors(node)
@staticmethod
def vpp_show_runtime(node, log_zeros=False):
"""Run "show runtime" CLI command.
:param node: Node to run command on.
:param log_zeros: Log also items with zero values.
:type node: dict
:type log_zeros: bool
"""
args = dict(path=u"^/sys/node")
sockets = Topology.get_node_sockets(node, socket_type=SocketType.STATS)
if sockets:
for socket in sockets.values():
with PapiExecutor(node) as papi_exec:
stats = papi_exec.add(u"vpp-stats", **args).\
get_stats(socket=socket)[0]
names = stats[u"/sys/node/names"]
if not names:
return
runtime = list()
runtime_nz = list()
for name in names:
runtime.append({u"name": name})
for idx, runtime_item in enumerate(runtime):
calls_th = []
for thread in stats[u"/sys/node/calls"]:
calls_th.append(thread[idx])
runtime_item[u"calls"] = calls_th
vectors_th = []
for thread in stats[u"/sys/node/vectors"]:
vectors_th.append(thread[idx])
runtime_item[u"vectors"] = vectors_th
suspends_th = []
for thread in stats[u"/sys/node/suspends"]:
suspends_th.append(thread[idx])
runtime_item[u"suspends"] = suspends_th
clocks_th = []
for thread in stats[u"/sys/node/clocks"]:
clocks_th.append(thread[idx])
runtime_item[u"clocks"] = clocks_th
if (sum(calls_th) or sum(vectors_th) or
sum(suspends_th) or sum(clocks_th)):
runtime_nz.append(runtime_item)
if log_zeros:
logger.info(
f"stats runtime ({node[u'host']} - {socket}):\n"
f"{pformat(runtime)}"
)
else:
logger.info(
f"stats runtime ({node[u'host']} - {socket}):\n"
f"{pformat(runtime_nz)}"
)
@staticmethod
def vpp_show_runtime_counters_on_all_duts(nodes):
"""Clear VPP runtime counters on all DUTs.
:param nodes: VPP nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.vpp_show_runtime(node)
@staticmethod
def vpp_show_hardware_verbose(node):
"""Run "show hardware-interfaces verbose" debug CLI command.
:param node: Node to run command on.
:type node: dict
"""
PapiSocketExecutor.run_cli_cmd_on_all_sockets(
node, u"show hardware verbose"
)
@staticmethod
def vpp_show_memory(node):
"""Run "show memory" debug CLI command.
Currently, every flag is hardcoded, giving the longest output.
:param node: Node to run command on.
:type node: dict
"""
PapiSocketExecutor.run_cli_cmd_on_all_sockets(
node, u"show memory verbose api-segment stats-segment main-heap"
)
@staticmethod
def vpp_clear_runtime(node):
"""Run "clear runtime" CLI command.
:param node: Node to run command on.
:type node: dict
"""
PapiSocketExecutor.run_cli_cmd_on_all_sockets(
node, u"clear runtime", log=False
)
@staticmethod
def vpp_clear_runtime_counters_on_all_duts(nodes):
"""Run "clear runtime" CLI command on all DUTs.
:param nodes: VPP nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.vpp_clear_runtime(node)
@staticmethod
def vpp_clear_hardware_counters(node):
"""Run "clear hardware" CLI command.
:param node: Node to run command on.
:type node: dict
:returns: Verified data from PAPI response.
:rtype: dict
"""
PapiSocketExecutor.run_cli_cmd_on_all_sockets(
node, u"clear hardware", log=False
)
@staticmethod
def vpp_clear_hardware_counters_on_all_duts(nodes):
"""Clear hardware counters on all DUTs.
:param nodes: VPP nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.vpp_clear_hardware_counters(node)
@staticmethod
def vpp_clear_errors_counters(node):
"""Run "clear errors" CLI command.
:param node: Node to run command on.
:type node: dict
"""
PapiSocketExecutor.run_cli_cmd_on_all_sockets(
node, u"clear errors", log=False
)
@staticmethod
def vpp_clear_error_counters_on_all_duts(nodes):
"""Clear VPP errors counters on all DUTs.
:param nodes: VPP nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.vpp_clear_errors_counters(node)
@staticmethod
def show_vpp_statistics(node):
"""Show [error, hardware, interface] stats.
:param node: VPP node.
:type node: dict
"""
VppCounters.vpp_show_errors(node)
VppCounters.vpp_show_hardware_verbose(node)
VppCounters.vpp_show_runtime(node)
VppCounters.vpp_show_memory(node)
@staticmethod
def show_statistics_on_all_duts(nodes):
"""Show statistics on all DUTs.
:param nodes: DUT nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.show_vpp_statistics(node)
@staticmethod
def clear_vpp_statistics(node):
"""Clear [error, hardware, interface] stats.
:param node: VPP node.
:type node: dict
"""
VppCounters.vpp_clear_errors_counters(node)
VppCounters.vpp_clear_hardware_counters(node)
VppCounters.vpp_clear_runtime(node)
@staticmethod
def clear_statistics_on_all_duts(nodes):
"""Clear statistics on all DUTs.
:param nodes: DUT nodes.
:type nodes: dict
"""
for node in nodes.values():
if node[u"type"] == NodeType.DUT:
VppCounters.clear_vpp_statistics(node)
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