--- /dev/null
+# Copyright (c) 2021 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 execution bundle."""
+
+from copy import deepcopy
+from logging import getLogger
+from re import fullmatch, sub
+import struct
+import sys
+
+from vpp_papi.vpp_papi import VPPApiClient as vpp_class
+
+
+M_RUN_THREAD = (
+ r"Thread\s"
+ r"(?P<thread_id>\d+)\s"
+ r"(?P<thread_name>\S+)\s.*"
+ r"(?P<thread_lcore>\d+).*"
+)
+M_RUN_SEPARATOR = (
+ r"(-)+"
+)
+M_RUN_NODES = (
+ r"(?P<name>\S+)\s+"
+ r"(?P<state>\S+\s\S+|\S+)\s+"
+ r"(?P<calls>\d+)\s+"
+ r"(?P<vectors>\d+)\s+"
+ r"(?P<suspends>\d+)\s+"
+ r"(?P<clocks>\S+)\s+"
+ r"(?P<vectors_calls>\S+)"
+)
+M_RUN_TIME = (
+ r"Time\s\S+,\s\d+\ssec\sinternal\snode\svector\srate\s"
+ r"(?P<rate>\S+)\sloops/sec\s"
+ r"(?P<loops>\S+)"
+)
+M_INT_BEGIN = (
+ r"(?P<name>\S+)\s+"
+ r"(?P<index>\S+)\s+"
+ r"(?P<state>\S+)\s+"
+ r"(?P<mtu>\S+)\s+"
+ r"(?P<counter>\S+\s\S+|\S+)\s+"
+ r"(?P<count>\d+)"
+)
+M_INT_CONT = (
+ r"\s+"
+ r"(?P<counter>\S+\s\S+|\S+)\s+"
+ r"(?P<count>\d+)"
+)
+M_NODE_COUNTERS_THREAD = (
+ r"Thread\s"
+ r"(?P<thread_id>\d+)\s\("
+ r"(?P<thread_name>\S+)\):\s*"
+)
+M_NODE_COUNTERS = (
+ r"\s*"
+ r"(?P<count>\d+)\s+"
+ r"(?P<name>\S+)\s+"
+ r"(?P<reason>(\S+\s)+)\s+"
+ r"(?P<severity>\S+)\s+"
+ r"(?P<index>\d+)\s*"
+)
+M_PMB_CS_HEADER = (
+ r"\s*per-thread\s+context\s+switches.*"
+)
+M_PMB_CS = (
+ r"(?P<thread_name>\S+)\s+\("
+ r"(?P<thread_id>\S+)\)\s+\S+\s+"
+ r"(?P<context_switches>[\d\.]+)"
+)
+M_PMB_PF_HEADER = (
+ r"\s*per-thread\s+page\s+faults.*"
+)
+M_PMB_PF = (
+ r"(?P<thread_name>\S+)\s+\("
+ r"(?P<thread_id>\S+)\)\s+\S+\s+"
+ r"(?P<minor_page_faults>[\d\.]+)\s+"
+ r"(?P<major_page_faults>[\d\.]+)"
+)
+M_PMB_THREAD = (
+ r"\s*"
+ r"(?P<thread_name>\S+)\s+\("
+ r"(?P<thread_id>\d+)\)\s*"
+)
+M_PMB_IC_HEADER = (
+ r"\s*instructions/packet,\s+cycles/packet\s+and\s+IPC.*"
+)
+M_PMB_IC_NODE = (
+ r"\s*"
+ r"(?P<node_name>\S+)\s+"
+ r"(?P<calls>[\d\.]+)\s+"
+ r"(?P<packets>[\d\.]+)\s+"
+ r"(?P<packets_per_call>[\d\.]+)\s+"
+ r"(?P<clocks_per_packets>[\d\.]+)\s+"
+ r"(?P<instructions_per_packets>[\d\.]+)\s+"
+ r"(?P<ipc>[\d\.]+)"
+)
+M_PMB_CM_HEADER = (
+ r"\s*cache\s+hits\s+and\s+misses.*"
+)
+M_PMB_CM_NODE = (
+ r"\s*"
+ r"(?P<node_name>\S+)\s+"
+ r"(?P<l1_hit>[\d\.]+)\s+"
+ r"(?P<l1_miss>[\d\.]+)\s+"
+ r"(?P<l2_hit>[\d\.]+)\s+"
+ r"(?P<l2_miss>[\d\.]+)\s+"
+ r"(?P<l3_hit>[\d\.]+)\s+"
+ r"(?P<l3_miss>[\d\.]+)"
+)
+M_PMB_LO_HEADER = (
+ r"\s*load\s+operations.*"
+)
+M_PMB_LO_NODE = (
+ r"\s*"
+ r"(?P<node_name>\S+)\s+"
+ r"(?P<calls>[\d\.]+)\s+"
+ r"(?P<packets>[\d\.]+)\s+"
+ r"(?P<one>[\d\.]+)\s+"
+ r"(?P<two>[\d\.]+)\s+"
+ r"(?P<three>[\d\.]+)"
+)
+M_PMB_BM_HEADER = (
+ r"\s*Branches,\s+branches\s+taken\s+and\s+mis-predictions.*"
+)
+M_PMB_BM_NODE = (
+ r"\s*"
+ r"(?P<node_name>\S+)\s+"
+ r"(?P<branches_per_call>[\d\.]+)\s+"
+ r"(?P<branches_per_packet>[\d\.]+)\s+"
+ r"(?P<taken_per_call>[\d\.]+)\s+"
+ r"(?P<taken_per_packet>[\d\.]+)\s+"
+ r"(?P<mis_predictions>[\d\.]+)"
+)
+M_PMB_PL_HEADER = (
+ r"\s*Thread\s+power\s+licensing.*"
+)
+M_PMB_PL_NODE = (
+ r"\s*"
+ r"(?P<node_name>\S+)\s+"
+ r"(?P<lvl0>[\d\.]+)\s+"
+ r"(?P<lvl1>[\d\.]+)\s+"
+ r"(?P<lvl2>[\d\.]+)\s+"
+ r"(?P<throttle>[\d\.]+)"
+)
+M_PMB_MB_HEADER = (
+ r"\s*memory\s+reads\s+and\s+writes\s+per\s+memory\s+controller.*"
+)
+M_PMB_MB = (
+ r"\s*"
+ r"(?P<name>\S+)\s+"
+ r"(?P<runtime>[\d\.]+)\s+"
+ r"(?P<reads_mbs>[\d\.]+)\s+"
+ r"(?P<writes_mbs>[\d\.]+)\s+"
+ r"(?P<total_mbs>[\d\.]+)"
+)
+
+
+class BundleVpp:
+ """
+ Creates a VPP object. This is the main object for defining a VPP program,
+ and interacting with its output.
+ """
+ def __init__(self, program, serializer, hook):
+ """
+ Initialize Bundle VPP class.
+
+ :param program: VPP instructions.
+ :param serializer: Metric serializer.
+ :param hook: VPP API socket.
+ :type program: dict
+ :type serializer: Serializer
+ :type hook: int
+ """
+ self.obj = None
+ self.code = program[u"code"]
+ self.metrics = program[u"metrics"]
+ self.api_command_list = list()
+ self.api_replies_list = list()
+ self.serializer = serializer
+
+ vpp_class.apidir = u"/usr/share/vpp/api"
+ self.obj = vpp_class(
+ use_socket=True,
+ server_address=hook,
+ async_thread=False,
+ read_timeout=14,
+ logger=getLogger(__name__)
+ )
+
+ def attach(self, duration):
+ """
+ Attach events to VPP.
+
+ :param duration: Trial duration.
+ :type duration: int
+ """
+ try:
+ self.obj.connect(name=u"telemetry")
+ except (ConnectionRefusedError, OSError):
+ getLogger(__name__).error(u"Cannot connect to VPP!")
+ sys.exit(1)
+
+ for command in self.code.splitlines():
+ api_name = u"cli_inband"
+ api_args = dict(cmd=command.format(duration=duration))
+ self.api_command_list.append(
+ dict(api_name=api_name, api_args=deepcopy(api_args))
+ )
+
+ def detach(self):
+ """
+ Detach from VPP.
+ """
+ self.obj.disconnect()
+
+ def fetch_data(self):
+ """
+ Fetch data by invoking API calls to VPP socket.
+ """
+ for command in self.api_command_list:
+ try:
+ papi_fn = getattr(self.obj.api, command[u"api_name"])
+ getLogger(__name__).info(command[u"api_args"][u"cmd"])
+ replies = papi_fn(**command[u"api_args"])
+ except (AttributeError, IOError, struct.error) as err:
+ raise AssertionError(err)
+
+ if not isinstance(replies, list):
+ replies = [replies]
+ for reply in replies:
+ self.api_replies_list.append(reply)
+ reply = sub(r"\x1b[^m]*m", u"", reply.reply)
+ if reply:
+ getLogger(__name__).info(reply)
+ else:
+ getLogger(__name__).info(u"<no reply>")
+ self.serializer.create(metrics=self.metrics)
+
+ def process_data(self):
+ """
+ Post process command reply.
+ """
+ for command in zip(self.api_command_list, self.api_replies_list):
+ self_fn = command[0][u"api_args"][u"cmd"]
+ try:
+ self_fn = getattr(self, self_fn.replace(u" ", u"_"))
+ self_fn(command[1].reply)
+ except AttributeError:
+ pass
+
+ def show_interface(self, reply):
+ """
+ Parse the show interface output.
+
+ Output format:
+ {
+ "name": "rx_packets",
+ "labels": {
+ "name": "tap0",
+ "index": "0",
+ },
+ "value": "31",
+ },
+
+ :param reply: API reply.
+ :type reply: str
+ """
+ for line in reply.splitlines():
+ item = dict()
+ labels = dict()
+ if fullmatch(M_INT_BEGIN, line):
+ ifc = fullmatch(M_INT_BEGIN, line).groupdict()
+ metric = ifc[u"counter"].replace(" ", "_").replace("-", "_")
+ item[u"name"] = metric
+ item[u"value"] = ifc[u"count"]
+ if fullmatch(M_INT_CONT, line):
+ ifc_cnt = fullmatch(M_INT_CONT, line).groupdict()
+ metric = ifc_cnt[u"counter"].replace(" ", "_").replace("-", "_")
+ item[u"name"] = metric
+ item[u"value"] = ifc_cnt[u"count"]
+ if fullmatch(M_INT_BEGIN, line) or fullmatch(M_INT_CONT, line):
+ labels[u"name"] = ifc[u"name"]
+ labels[u"index"] = ifc[u"index"]
+ item[u"labels"] = labels
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
+
+ def show_runtime(self, reply):
+ """
+ Parse the show runtime output.
+
+ Output format:
+ {
+ "name": "clocks",
+ "labels": {
+ "name": "virtio-input",
+ "state": "polling",
+ "thread_name": "vpp_wk_1",
+ "thread_id": "2",
+ "thread_lcore": "3",
+ },
+ "value": "3.17e2",
+ },
+
+ :param reply: API reply.
+ :type reply: str
+ """
+ for line in reply.splitlines():
+ if fullmatch(M_RUN_THREAD, line):
+ thread = fullmatch(M_RUN_THREAD, line).groupdict()
+ if fullmatch(M_RUN_NODES, line):
+ nodes = fullmatch(M_RUN_NODES, line).groupdict()
+ for metric in self.serializer.metric_registry:
+ item = dict()
+ labels = dict()
+ item[u"name"] = metric
+ labels[u"name"] = nodes[u"name"]
+ labels[u"state"] = nodes[u"state"]
+ try:
+ labels[u"thread_name"] = thread[u"thread_name"]
+ labels[u"thread_id"] = thread[u"thread_id"]
+ labels[u"thread_lcore"] = thread[u"thread_lcore"]
+ except UnboundLocalError:
+ labels[u"thread_name"] = u"vpp_main"
+ labels[u"thread_id"] = u"0"
+ labels[u"thread_lcore"] = u"0"
+ item[u"labels"] = labels
+ item[u"value"] = nodes[metric]
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
+
+ def show_node_counters_verbose(self, reply):
+ """
+ Parse the show node conuter output.
+
+ Output format:
+ {
+ "name": "node_counters",
+ "labels": {
+ "name": "dpdk-input",
+ "reason": "no_error",
+ "severity": "error",
+ "thread_name": "vpp_wk_1",
+ "thread_id": "2",
+ },
+ "value": "1",
+ },
+
+ :param reply: API reply.
+ :type reply: str
+ """
+ for line in reply.splitlines():
+ if fullmatch(M_NODE_COUNTERS_THREAD, line):
+ thread = fullmatch(M_NODE_COUNTERS_THREAD, line).groupdict()
+ if fullmatch(M_NODE_COUNTERS, line):
+ nodes = fullmatch(M_NODE_COUNTERS, line).groupdict()
+ for metric in self.serializer.metric_registry_registry:
+ item = dict()
+ labels = dict()
+ item[u"name"] = metric
+ labels[u"name"] = nodes[u"name"]
+ labels[u"reason"] = nodes[u"reason"]
+ labels[u"severity"] = nodes[u"severity"]
+ try:
+ labels[u"thread_name"] = thread[u"thread_name"]
+ labels[u"thread_id"] = thread[u"thread_id"]
+ except UnboundLocalError:
+ labels[u"thread_name"] = u"vpp_main"
+ labels[u"thread_id"] = u"0"
+ item[u"labels"] = labels
+ item[u"value"] = nodes[u"count"]
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
+
+ def show_perfmon_statistics(self, reply):
+ """
+ Parse the permon output.
+
+ Output format:
+ {
+ "name": "clocks",
+ "labels": {
+ "name": "virtio-input",
+ "state": "polling",
+ "thread_name": "vpp_wk_1",
+ "thread_id": "2",
+ "thread_lcore": "3",
+ },
+ "value": "3.17e2",
+ },
+
+ :param reply: API reply.
+ :type reply: str
+ """
+ def perfmon_threads(reply, regex_threads):
+ for line in reply.splitlines():
+ if fullmatch(regex_threads, line):
+ threads = fullmatch(regex_threads, line).groupdict()
+ for metric in self.serializer.metric_registry:
+ item = dict()
+ labels = dict()
+ item[u"name"] = metric
+ labels[u"name"] = threads[u"thread_name"]
+ labels[u"id"] = threads[u"thread_id"]
+ item[u"labels"] = labels
+ item[u"value"] = threads[metric]
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
+
+ def perfmon_nodes(reply, regex_threads, regex_nodes):
+ for line in reply.splitlines():
+ if fullmatch(regex_threads, line):
+ thread = fullmatch(regex_threads, line).groupdict()
+ if fullmatch(regex_nodes, line):
+ node = fullmatch(regex_nodes, line).groupdict()
+ for metric in self.serializer.metric_registry:
+ item = dict()
+ labels = dict()
+ item[u"name"] = metric
+ labels[u"name"] = node[u"node_name"]
+ labels[u"thread_name"] = thread[u"thread_name"]
+ labels[u"thread_id"] = thread[u"thread_id"]
+ item[u"labels"] = labels
+ item[u"value"] = node[metric]
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
+
+ def perfmon_system(reply, regex_line):
+ for line in reply.splitlines():
+ if fullmatch(regex_line, line):
+ name = fullmatch(regex_line, line).groupdict()
+ for metric in self.serializer.metric_registry:
+ item = dict()
+ labels = dict()
+ item[u"name"] = metric
+ labels[u"name"] = name[u"name"]
+ item[u"labels"] = labels
+ item[u"value"] = name[metric]
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
+
+ reply = sub(r"\x1b[^m]*m", u"", reply)
+
+ if fullmatch(M_PMB_CS_HEADER, reply.splitlines()[0]):
+ perfmon_threads(reply, M_PMB_CS)
+ if fullmatch(M_PMB_PF_HEADER, reply.splitlines()[0]):
+ perfmon_threads(reply, M_PMB_PF)
+ if fullmatch(M_PMB_IC_HEADER, reply.splitlines()[0]):
+ perfmon_nodes(reply, M_PMB_THREAD, M_PMB_IC_NODE)
+ if fullmatch(M_PMB_CM_HEADER, reply.splitlines()[0]):
+ perfmon_nodes(reply, M_PMB_THREAD, M_PMB_CM_NODE)
+ if fullmatch(M_PMB_LO_HEADER, reply.splitlines()[0]):
+ perfmon_nodes(reply, M_PMB_THREAD, M_PMB_LO_NODE)
+ if fullmatch(M_PMB_BM_HEADER, reply.splitlines()[0]):
+ perfmon_nodes(reply, M_PMB_THREAD, M_PMB_BM_NODE)
+ if fullmatch(M_PMB_PL_HEADER, reply.splitlines()[0]):
+ perfmon_nodes(reply, M_PMB_THREAD, M_PMB_PL_NODE)
+ if fullmatch(M_PMB_MB_HEADER, reply.splitlines()[0]):
+ perfmon_system(reply, M_PMB_MB)
+
+ def show_version(self, reply):
+ """
+ Parse the version output.
+
+ Output format:
+ {
+ "name": "version",
+ "labels": {
+ "version": "v21.06-rc0~596-g1ca6c65e5~b1065",
+ },
+ "value": 1.0,
+ },
+
+ :param reply: API reply.
+ :type reply: str
+ """
+ for metric in self.serializer.metric_registry:
+ version = reply.split()[1]
+ item = dict()
+ labels = dict()
+ item[u"name"] = metric
+ labels[u"version"] = version
+ item[u"labels"] = labels
+ item[u"value"] = 1.0
+ self.serializer.serialize(
+ metric=metric, labels=labels, item=item
+ )
Code Review / csit.git / blobdiff