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-rw-r--r--fpga/usrp3/tools/utils/rfnoc-system-sim/rfnocsim.py757
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diff --git a/fpga/usrp3/tools/utils/rfnoc-system-sim/rfnocsim.py b/fpga/usrp3/tools/utils/rfnoc-system-sim/rfnocsim.py
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+++ b/fpga/usrp3/tools/utils/rfnoc-system-sim/rfnocsim.py
@@ -0,0 +1,757 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 Ettus Research
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import collections
+import copy
+import re
+import math
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.ticker as mticker
+from graphviz import Digraph
+
+#------------------------------------------------------------
+# Simulator Core Components
+#------------------------------------------------------------
+class comptype():
+ """
+ Simulation component type enumeration
+ """
+ producer = 'Producer'
+ consumer = 'Consumer'
+ channel = 'Channel'
+ function = 'Function'
+ hardware = 'Hardware'
+ other = 'Other'
+
+class SimulatorCore:
+ """
+ Core simulation engine:
+ This class owns all the simulation components and
+ manages time and other housekeeping operations.
+ """
+
+ def __init__(self, tick_rate):
+ self.__ticks = 0
+ self.__tick_rate = tick_rate
+ self.__tick_aware_comps = list()
+ self.__all_comps = dict()
+ self.__edge_render_db = list()
+
+ def register(self, comp, tick_aware):
+ if comp.name not in self.__all_comps:
+ self.__all_comps[comp.name] = comp
+ else:
+ raise RuntimeError('Duplicate component ' + comp.name)
+ if tick_aware:
+ self.__tick_aware_comps.append(comp)
+
+ def connect(self, src, srcport, dst, dstport, render_label=None, render_color=None):
+ src.connect(srcport, dst.inputs(dstport, bind=True))
+ if render_label:
+ self.__edge_render_db.append(
+ (src.name, dst.name, 1.0, render_label, render_color))
+
+ def connect_bidir(self, ep1, ep1port, ep2, ep2port, render_labels=None, render_colors=None):
+ if render_labels:
+ if not isinstance(render_labels, (list, tuple)):
+ render_labels = [render_labels, render_labels]
+ else:
+ render_labels = [None, None]
+ if render_colors:
+ if not isinstance(render_colors, (list, tuple)):
+ render_colors = [render_colors, render_colors]
+ else:
+ render_colors = [None, None]
+ self.connect(ep1, ep1port, ep2, ep2port, render_labels[0], render_colors[0])
+ self.connect(ep2, ep2port, ep1, ep1port, render_labels[1], render_colors[1])
+
+ def connect_multi(self, src, srcports, dst, dstports, render_label=None, render_color=None):
+ if len(srcports) != len(dstports):
+ raise RuntimeError(
+ 'Source and destination ports should be of the same length')
+ for i in range(len(srcports)):
+ src.connect(srcports[i], dst.inputs(dstports[i], bind=True))
+ if render_label:
+ self.__edge_render_db.append((src.name, dst.name, float(len(srcports)), render_label, render_color))
+
+ def connect_multi_bidir(self, ep1, ep1port, ep2, ep2port, render_labels=None, render_colors=None):
+ if render_labels:
+ if not isinstance(render_labels, (list, tuple)):
+ render_labels = [render_labels, render_labels]
+ else:
+ render_labels = [None, None]
+ if render_colors:
+ if not isinstance(render_colors, (list, tuple)):
+ render_colors = [render_colors, render_colors]
+ else:
+ render_colors = [None, None]
+ self.connect_multi(ep1, ep1port, ep2, ep2port, render_labels[0], render_colors[0])
+ self.connect_multi(ep2, ep2port, ep1, ep1port, render_labels[1], render_colors[1])
+
+ def list_components(self, comptype='', name_filt=''):
+ if not comptype:
+ return sorted([c for c in list(self.__all_comps.keys())
+ if (re.match(name_filt, self.__all_comps[c].name))])
+ else:
+ return sorted([c for c in list(self.__all_comps.keys())
+ if (self.__all_comps[c].type == comptype and
+ re.match(name_filt, self.__all_comps[c].name))])
+
+ def lookup(self, comp_name):
+ return self.__all_comps[comp_name]
+
+ def tick(self):
+ self.__ticks += 1
+ for c in self.__tick_aware_comps:
+ c.tick()
+
+ def run(self, time_s):
+ for i in range(int(time_s * self.__tick_rate)):
+ self.tick()
+
+ def get_ticks(self):
+ return self.__ticks
+
+ def get_tick_rate(self):
+ return self.__tick_rate
+
+ def network_to_dot(self):
+ dot = Digraph(comment='RFNoC Network Topology')
+ node_ids = dict()
+ next_node_id = 1
+ for edgeinfo in self.__edge_render_db:
+ for i in range(2):
+ node = edgeinfo[i]
+ if node not in node_ids:
+ node_id = next_node_id
+ node_ids[node] = node_id
+ dot.node(str(node_id), node)
+ next_node_id += 1
+ for edgeinfo in self.__edge_render_db:
+ dot.edge(
+ tail_name=str(node_ids[edgeinfo[0]]),
+ head_name=str(node_ids[edgeinfo[1]]),
+ label=edgeinfo[3],
+ weight=str(edgeinfo[2]), penwidth=str(edgeinfo[2]/2),
+ color=str(edgeinfo[4] if edgeinfo[4] else 'black'))
+ return dot
+
+class SimComp:
+ """
+ Base simulation component:
+ All components must inherit from SimComp.
+ """
+
+ def __init__(self, sim_core, name, ctype):
+ self.__sim_core = sim_core
+ self.name = name
+ self.type = ctype
+ self.__sim_core.register(self, (ctype == comptype.producer))
+
+ def get_ticks(self):
+ return self.__sim_core.get_ticks()
+
+ def get_tick_rate(self):
+ return self.__sim_core.get_tick_rate()
+
+ def SimCompError(self, msg):
+ raise RuntimeError(msg + ' [' + self.name + ']')
+
+#------------------------------------------------------------
+# Data stream components
+#------------------------------------------------------------
+class HwRsrcs():
+ """
+ Hardware Resources Container:
+ This object holds physical hardware resource information
+ that can be used to report utilization. Resource items are
+ generic and can be defined by the actual simulation.
+ """
+
+ def __init__(self):
+ self.__rsrcs = dict()
+
+ def get(self, what):
+ if what in self.__rsrcs:
+ return self.__rsrcs[what]
+ else:
+ return 0.0
+
+ def set(self, what, value):
+ self.__rsrcs[what] = float(value)
+
+ def add(self, what, value):
+ if what in self.__rsrcs:
+ self.__rsrcs[what] += float(value)
+ else:
+ self.__rsrcs[what] = float(value)
+
+ def merge(self, other_rsrcs):
+ for attr in other_rsrcs.get_attrs():
+ self.add(attr, other_rsrcs.get(attr))
+
+ def get_attrs(self):
+ return list(self.__rsrcs.keys())
+
+ def reset(self, what = None):
+ if what is not None:
+ if what in self.__rsrcs:
+ self.__rsrcs[what] = 0.0
+ else:
+ self.__rsrcs = dict()
+
+class DataStream:
+ """
+ Data Stream Object:
+ Holds information about a date stream that passes through various block.
+ The simulator simulates event on the actual stream so each stream Object
+ must have a unique payload (items) to disambiguate it from the rest.
+ """
+ HopInfo = collections.namedtuple('HopInfo', ['location', 'latency'])
+
+ class HopDb():
+ def __init__(self, hops):
+ self.__hops = hops
+
+ def get_src(self):
+ return self.__hops[0].location
+
+ def get_dst(self):
+ return self.__hops[-1].location
+
+ def get_hops(self):
+ hoparr = []
+ for h in self.__hops:
+ hoparr.append(h.location)
+ return hoparr
+
+ def get_latency(self, ticks, location = ''):
+ latency = ticks - self.__hops[0].latency #Hop0 always has the init timestamp
+ if (self.__hops[0].location != location):
+ for i in range(1,len(self.__hops)):
+ latency += self.__hops[i].latency
+ if (self.__hops[i].location == location):
+ break
+ return latency
+
+ def __init__(self, bpi, items, count, producer=None, parent=None):
+ self.bpi = bpi
+ self.items = []
+ self.items.extend(items)
+ self.count = count
+ self.__hops = list()
+ if producer and parent:
+ raise RuntimeError('Data stream cannot have both a producer and a parent stream')
+ elif producer:
+ self.__hops.append(self.HopInfo(location='Gen@'+producer.name, latency=producer.get_ticks()))
+ elif parent:
+ self.__hops.extend(parent.get_hops())
+ else:
+ raise RuntimeError('Data stream must have a producer or a parent stream')
+
+ def add_hop(self, location, latency):
+ self.__hops.append(self.HopInfo(location=location, latency=latency))
+
+ def get_hops(self):
+ return self.__hops
+
+ def get_bytes(self):
+ return self.bpi * len(self.items) * self.count
+
+ """
+ Type specific methods
+ """
+ @staticmethod
+ def submatrix_gen(matrix_id, coordinates):
+ coord_arr = []
+ for c in coordinates:
+ if isinstance(c, collections.Iterable):
+ coord_arr.append('(' + (','.join(str(x) for x in c)) + ')')
+ else:
+ coord_arr.append('(' + str(c) + ')')
+ return matrix_id + '[' + ';'.join(coord_arr) + ']'
+
+ @staticmethod
+ def submatrix_parse(stream_id):
+ m = re.match('(.+)\[(.*)\]', stream_id)
+ matrix_id = m.group(1)
+ coords = []
+ for cstr in m.group(2).split(';'):
+ coords.append([int(x) for x in re.match('\((.+)\)', cstr).group(1).split(',')])
+ return (matrix_id, coords)
+
+#------------------------------------------------------------
+# Basic Network components
+#------------------------------------------------------------
+
+# Producer object.
+class Producer(SimComp):
+ """
+ Producer Block:
+ Generates data at a constant rate
+ """
+
+ def __init__(self, sim_core, name, bpi, items, max_samp_rate = float('inf'), latency = 0):
+ SimComp.__init__(self, sim_core, name, comptype.producer)
+ self.__bpi = bpi
+ self.__items = items
+ self.__bw = max_samp_rate * bpi
+ self.__latency = latency
+ self.__dests = list()
+ self.__data_count = 0
+ self.__byte_count = 0
+ self.__backpressure_ticks = 0
+ self.set_rate(self.get_tick_rate())
+
+ def inputs(self, i, bind=False):
+ raise self.SimCompError('This is a producer block. Cannot connect another block to it.')
+
+ def connect(self, i, dest):
+ self.__dests.append(dest)
+
+ def set_rate(self, samp_rate):
+ self.__data_count = samp_rate / self.get_tick_rate()
+
+ def tick(self):
+ if len(self.__dests) > 0:
+ ready = True
+ for dest in self.__dests:
+ ready = ready and dest.is_ready()
+ if ready:
+ data = DataStream(
+ bpi=self.__bpi, items=self.__items, count=self.__data_count, producer=self)
+ if self.__backpressure_ticks > 0:
+ data.add_hop('BP@'+self.name, self.__backpressure_ticks)
+ data.add_hop(self.name, self.__latency)
+ for dest in self.__dests:
+ dest.push(copy.deepcopy(data))
+ self.__byte_count += data.get_bytes()
+ self.__backpressure_ticks = 0
+ else:
+ self.__backpressure_ticks += 1
+
+ def get_bytes(self):
+ return self.__byte_count
+
+ def get_util_attrs(self):
+ return ['bandwidth']
+
+ def get_utilization(self, what):
+ if what in self.get_util_attrs():
+ return ((self.__byte_count / (self.get_ticks() / self.get_tick_rate())) /
+ self.__bw)
+ else:
+ return 0.0
+
+# Consumer object.
+class Consumer(SimComp):
+ """
+ Consumes Block:
+ Consumes data at a constant rate
+ """
+
+ def __init__(self, sim_core, name, bw = float("inf"), latency = 0):
+ SimComp.__init__(self, sim_core, name, comptype.consumer)
+ self.__byte_count = 0
+ self.__item_db = dict()
+ self.__bw = bw
+ self.__latency = latency
+ self.__bound = False
+
+ def inputs(self, i, bind=False):
+ if bind and self.__bound:
+ raise self.SimCompError('Input ' + str(i) + ' is already driven (bound).')
+ self.__bound = bind
+ return self
+
+ def connect(self, i, dest):
+ raise self.SimCompError('This is a consumer block. Cannot connect to another block.')
+
+ def is_ready(self):
+ return True #TODO: Readiness can depend on bw and byte_count
+
+ def push(self, data):
+ data.add_hop(self.name, self.__latency)
+ for item in data.items:
+ self.__item_db[item] = DataStream.HopDb(data.get_hops())
+ self.__byte_count += data.get_bytes()
+
+ def get_items(self):
+ return list(self.__item_db.keys())
+
+ def get_bytes(self):
+ return self.__byte_count
+
+ def get_hops(self, item):
+ return self.__item_db[item].get_hops()
+
+ def get_latency(self, item, hop=None):
+ if not hop:
+ hop = self.get_hops(item)[-1]
+ return self.__item_db[item].get_latency(self.get_ticks(), hop) / self.get_tick_rate()
+
+ def get_util_attrs(self):
+ return ['bandwidth']
+
+ def get_utilization(self, what):
+ if what in self.get_util_attrs():
+ return ((self.__byte_count / (self.get_ticks() / self.get_tick_rate())) /
+ self.__bw)
+ else:
+ return 0.0
+
+# Channel
+class Channel(SimComp):
+ """
+ A resource limited IO pipe:
+ From the data stream perspective, this is a passthrough
+ """
+
+ def __init__(self, sim_core, name, bw = float("inf"), latency = 0, lossy = True):
+ SimComp.__init__(self, sim_core, name, comptype.channel)
+ self.__bw = bw
+ self.__latency = latency
+ self.__lossy = lossy
+ self.__dests = list()
+ self.__byte_count = 0
+ self.__bound = False
+
+ def get_bytes(self):
+ return self.__byte_count
+
+ def inputs(self, i, bind=False):
+ if (i != 0):
+ raise self.SimCompError('An IO lane has only one input.')
+ if bind and self.__bound:
+ raise self.SimCompError('Input ' + str(i) + ' is already driven (bound).')
+ self.__bound = bind
+ return self
+
+ def connect(self, i, dest):
+ self.__dests.append(dest)
+
+ def is_connected(self):
+ return len(self.__dests) > 0
+
+ def is_bound(self):
+ return self.__bound
+
+ def is_ready(self):
+ # If nothing is hooked up to a lossy lane, it will drop data
+ if self.__lossy and not self.is_connected():
+ return True
+ ready = self.is_connected()
+ for dest in self.__dests:
+ ready = ready and dest.is_ready()
+ return ready
+
+ def push(self, data):
+ # If nothing is hooked up to a lossy lane, it will drop data
+ if self.__lossy and not self.is_connected():
+ return
+ data.add_hop(self.name, self.__latency)
+ for dest in self.__dests:
+ dest.push(copy.deepcopy(data))
+ self.__byte_count += data.get_bytes()
+
+ def get_util_attrs(self):
+ return ['bandwidth']
+
+ def get_utilization(self, what):
+ if what in self.get_util_attrs():
+ return ((self.__byte_count / (self.get_ticks() / self.get_tick_rate())) /
+ self.__bw)
+ else:
+ return 0.0
+
+# Function
+class Function(SimComp):
+ """
+ A Function Component:
+ A function block is something that does anything interesting with a data stream.
+ A function can have multiple input and output streams.
+ """
+
+ class Arg:
+ def __init__(self, num, base_func):
+ self.__num = num
+ self.__data = None
+ self.__base_func = base_func
+ self.__bound = False
+
+ def get_num(self):
+ return self.__num
+
+ def is_ready(self):
+ return self.__base_func.is_ready() and not self.__data
+
+ def push(self, data):
+ self.__data = data
+ self.__base_func.notify(self.__num)
+
+ def pop(self):
+ if self.__data:
+ data = self.__data
+ self.__data = None
+ return data
+ else:
+ raise RuntimeError('Nothing to pop.')
+
+ def bind(self, bind):
+ retval = self.__bound
+ self.__bound = bind
+ return retval
+
+ Latencies = collections.namedtuple('Latencies', ['func','inarg','outarg'])
+
+ def __init__(self, sim_core, name, num_in_args, num_out_args, ticks_per_exec = 1):
+ SimComp.__init__(self, sim_core, name, comptype.function)
+ self.__ticks_per_exec = ticks_per_exec
+ self.__last_exec_ticks = 0
+ self.__in_args = list()
+ for i in range(num_in_args):
+ self.__in_args.append(Function.Arg(i, self))
+ self.__dests = list()
+ for i in range(num_out_args):
+ self.__dests.append(None)
+ self.__in_args_pushed = dict()
+ # Resources required by this function to do its job in one tick
+ self.__rsrcs = HwRsrcs()
+ self.__latencies = self.Latencies(func=0, inarg=[0]*num_in_args, outarg=[0]*num_out_args)
+
+ def get_rsrcs(self):
+ return self.__rsrcs
+
+ def update_rsrcs(self, rsrcs):
+ self.__rsrcs = rsrcs
+
+ def update_latency(self, func, inarg=None, outarg=None):
+ self.__latencies = self.Latencies(
+ func=func,
+ inarg=inarg if inarg else [0]*len(self.__in_args),
+ outarg=outarg if outarg else [0]*len(self.__dests))
+
+ def inputs(self, i, bind=False):
+ if bind and self.__in_args[i].bind(True):
+ raise self.SimCompError('Input argument ' + str(i) + ' is already driven (bound).')
+ return self.__in_args[i]
+
+ def connect(self, i, dest):
+ self.__dests[i] = dest
+
+ def is_ready(self):
+ ready = len(self.__dests) > 0
+ for dest in self.__dests:
+ ready = ready and dest.is_ready()
+ exec_ready = (self.get_ticks() - self.__last_exec_ticks) >= self.__ticks_per_exec
+ return ready and exec_ready
+
+ def create_outdata_stream(self, bpi, items, count):
+ return DataStream(
+ bpi=bpi, items=items, count=count, parent=self.__max_latency_input)
+
+ def notify(self, arg_i):
+ self.__in_args_pushed[arg_i] = True
+ # Wait for all input args to come in
+ if (sorted(self.__in_args_pushed.keys()) == list(range(len(self.__in_args)))):
+ # Pop data out of each input arg
+ max_in_latency = 0
+ self.__max_latency_input = None
+ arg_data_in = list()
+ for arg in self.__in_args:
+ d = arg.pop()
+ arg_data_in.append(d)
+ lat = DataStream.HopDb(d.get_hops()).get_latency(self.get_ticks())
+ if lat > max_in_latency:
+ max_in_latency = lat
+ self.__max_latency_input = d
+ # Call the function
+ arg_data_out = self.do_func(arg_data_in)
+ if not isinstance(arg_data_out, collections.Iterable):
+ arg_data_out = [arg_data_out]
+ # Update output args
+ for i in range(len(arg_data_out)):
+ arg_data_out[i].add_hop(self.name,
+ max(self.__latencies.inarg) + self.__latencies.func + self.__latencies.outarg[i])
+ self.__dests[i].push(arg_data_out[i])
+ # Cleanup
+ self.__last_exec_ticks = self.get_ticks()
+ self.__in_args_pushed = dict()
+
+ def get_util_attrs(self):
+ return []
+
+ def get_utilization(self, what):
+ return 0.0
+
+#------------------------------------------------------------
+# Plotting Functions
+#------------------------------------------------------------
+class Visualizer():
+ def __init__(self, sim_core):
+ self.__sim_core = sim_core
+ self.__figure = None
+ self.__fig_dims = None
+
+ def show_network(self, engine='fdp'):
+ dot = self.__sim_core.network_to_dot()
+ dot.format = 'png'
+ dot.engine = engine
+ dot.render('/tmp/rfnoc_sim.dot', view=True, cleanup=True)
+
+ def dump_consumed_streams(self, consumer_filt='.*'):
+ comps = self.__sim_core.list_components(comptype.consumer, consumer_filt)
+ print('=================================================================')
+ print('Streams Received by Consumers matching (%s) at Tick = %04d'%(consumer_filt,self.__sim_core.get_ticks()))
+ print('=================================================================')
+ for c in sorted(comps):
+ comp = self.__sim_core.lookup(c)
+ for s in sorted(comp.get_items()):
+ print(' - %s: (%s) Latency = %gs'%(s,c,comp.get_latency(s)))
+ print('=================================================================')
+
+ def dump_debug_audit_log(self, ctype, name_filt='.*'):
+ if ctype != comptype.channel:
+ raise NotImplementedError('Component type not yet supported: ' + ctype)
+
+ comps = self.__sim_core.list_components(ctype, name_filt)
+ print('=================================================================')
+ print('Debug Audit for all %s Components matching (%s)'%(ctype,name_filt))
+ print('=================================================================')
+ for c in sorted(comps):
+ comp = self.__sim_core.lookup(c)
+ status = 'Unknown'
+ if comp.is_bound() and comp.is_connected():
+ status = 'Good'
+ elif comp.is_bound() and not comp.is_connected():
+ status = 'WARNING (Driven but Unused)'
+ elif not comp.is_bound() and comp.is_connected():
+ status = 'WARNING (Used but Undriven)'
+ else:
+ status = 'Unused'
+ print(' - %s: Status = %s'%(c,status))
+ print('=================================================================')
+
+ def new_figure(self, grid_dims=[1,1], fignum=1, figsize=(16, 9), dpi=72):
+ self.__figure = plt.figure(num=fignum, figsize=figsize, dpi=dpi)
+ self.__fig_dims = grid_dims
+
+ def show_figure(self):
+ plt.show()
+ self.__figure = None
+
+ def plot_utilization(self, ctype, name_filt='.*', grid_pos=1):
+ colors = ['b','r','g','y']
+ comps = self.__sim_core.list_components(ctype, name_filt)
+ attrs = set()
+ for c in comps:
+ attrs |= set(self.__sim_core.lookup(c).get_util_attrs())
+ attrs = sorted(list(attrs))
+
+ if not self.__figure:
+ self.new_figure()
+ show = True
+ else:
+ show = False
+ self.__figure.subplots_adjust(bottom=0.25)
+ ax = self.__figure.add_subplot(*(self.__fig_dims + [grid_pos]))
+ title = 'Resource utilization for all %s\ncomponents matching \"%s\"' % \
+ (ctype, name_filt)
+ ax.set_title(title)
+ ax.set_ylabel('Resource Utilization (%)')
+ if comps:
+ ind = np.arange(len(comps))
+ width = 0.95/len(attrs)
+ rects = []
+ ymax = 100
+ for i in range(len(attrs)):
+ utilz = [self.__sim_core.lookup(c).get_utilization(attrs[i]) * 100 for c in comps]
+ rects.append(ax.bar(ind + width*i, utilz, width, color=colors[i%len(colors)]))
+ ymax = max(ymax, int(math.ceil(max(utilz) / 100.0)) * 100)
+ ax.set_ylim([0,ymax])
+ ax.set_yticks(list(range(0,ymax,10)))
+ ax.set_xticks(ind + 0.5)
+ ax.set_xticklabels(comps, rotation=90)
+ ax.legend(rects, attrs)
+ ax.grid(b=True, which='both', color='0.65',linestyle='--')
+ ax.plot([0, len(comps)], [100, 100], "k--", linewidth=3.0)
+ if show:
+ self.show_figure()
+
+ def plot_consumption_latency(self, stream_filt='.*', consumer_filt='.*', grid_pos=1):
+ streams = list()
+ for c in sorted(self.__sim_core.list_components(comptype.consumer, consumer_filt)):
+ for s in sorted(self.__sim_core.lookup(c).get_items()):
+ if (re.match(stream_filt, s)):
+ streams.append((c, s, c + '/' + s))
+
+ if not self.__figure:
+ self.new_figure()
+ show = True
+ else:
+ show = False
+ self.__figure.subplots_adjust(bottom=0.25)
+ ax = self.__figure.add_subplot(*(self.__fig_dims + [grid_pos]))
+ title = 'Latency of Maximal Path Terminating in\nStream(s) matching \"%s\"\n(Consumer Filter = \"%s\")' % \
+ (stream_filt, consumer_filt)
+ ax.set_title(title)
+ ax.set_ylabel('Maximal Source-to-Sink Latency (s)')
+ if streams:
+ ind = np.arange(len(streams))
+ latency = [self.__sim_core.lookup(c_s_d1[0]).get_latency(c_s_d1[1]) for c_s_d1 in streams]
+ rects = [ax.bar(ind, latency, 1.0, color='b')]
+ ax.set_xticks(ind + 0.5)
+ ax.set_xticklabels([c_s_d[2] for c_s_d in streams], rotation=90)
+ attrs = ['latency']
+ ax.legend(rects, attrs)
+ ax.yaxis.set_major_formatter(mticker.FormatStrFormatter('%.2e'))
+ ax.grid(b=True, which='both', color='0.65',linestyle='--')
+ if show:
+ self.show_figure()
+
+ def plot_path_latency(self, stream_id, consumer_filt = '.*', grid_pos=1):
+ path = []
+ latencies = []
+ for c in self.__sim_core.list_components(comptype.consumer, consumer_filt):
+ for s in self.__sim_core.lookup(c).get_items():
+ if (stream_id == s):
+ for h in self.__sim_core.lookup(c).get_hops(s):
+ path.append(h)
+ latencies.append(self.__sim_core.lookup(c).get_latency(s, h))
+ break
+ if not self.__figure:
+ self.new_figure()
+ show = True
+ else:
+ show = False
+ self.__figure.subplots_adjust(bottom=0.25)
+ ax = self.__figure.add_subplot(*(self.__fig_dims + [grid_pos]))
+ title = 'Accumulated Latency per Hop for Stream \"%s\"\n(Consumer Filter = \"%s\")' % \
+ (stream_id, consumer_filt)
+ ax.set_title(title)
+ ax.set_ylabel('Maximal Source-to-Sink Latency (s)')
+ if path:
+ ind = np.arange(len(path))
+ rects = [ax.plot(ind, latencies, '--rs')]
+ ax.set_xticks(ind)
+ ax.set_xticklabels(path, rotation=90)
+ ax.yaxis.set_major_formatter(mticker.FormatStrFormatter('%.2e'))
+ ax.grid(b=True, which='both', color='0.65',linestyle='--')
+ if show:
+ self.show_figure()
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-08 01:52:08 +0000