:param loss_acceptance: Permitted drop ratio or frames count.
:param loss_acceptance_type: Type of permitted loss.
:param traffic_profile: Module name as a traffic profile identifier.
- See resources/traffic_profiles/trex for implemented modules.
+ See GPL/traffic_profiles/trex for implemented modules.
:param skip_warmup: Start TRex without warmup traffic if true.
:type rate: float
:type frame_size: str
self._sent = None
self._latency = None
self._received = None
+ self._approximated_rate = None
+ self._approximated_duration = None
# Measurement input fields, needed for async stop result.
self._start_time = None
self._rate = None
"""
return self._latency
+ def get_approximated_rate(self):
+ """Return approximated rate computed as ratio of transmited packets over
+ duration of trial.
+
+ :returns: Approximated rate.
+ :rtype: str
+ """
+ return self._approximated_rate
+
# TODO: pylint says disable=too-many-locals.
# A fix is developed in https://gerrit.fd.io/r/c/csit/+/22221
def initialize_traffic_generator(
)
raise RuntimeError(u"Start TRex failed!")
- # Test if TRex starts successfully.
- cmd = f"sh -c \"{Constants.REMOTE_FW_DIR}/resources/tools/" \
- f"trex/trex_server_info.py\""
+ # Test if TRex starts successfuly.
+ command_line = OptionString().add(u"python3")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/tools/trex"
+ command_line.add(f"'{dirname}/trex_server_info.py'")
try:
exec_cmd_no_error(
- tg_node, cmd, sudo=True,
+ tg_node, command_line, sudo=True,
message=u"Test TRex failed!", retries=20
)
except RuntimeError:
self._received = self._result.split(u", ")[1].split(u"=", 1)[1]
self._sent = self._result.split(u", ")[2].split(u"=", 1)[1]
self._loss = self._result.split(u", ")[3].split(u"=", 1)[1]
+ self._approximated_duration = \
+ self._result.split(u", ")[5].split(u"=", 1)[1]
+ self._approximated_rate = self._result.split(u", ")[6].split(u"=", 1)[1]
self._latency = list()
- self._latency.append(self._result.split(u", ")[4].split(u"=", 1)[1])
- self._latency.append(self._result.split(u", ")[5].split(u"=", 1)[1])
+ self._latency.append(self._result.split(u", ")[7].split(u"=", 1)[1])
+ self._latency.append(self._result.split(u", ")[8].split(u"=", 1)[1])
def trex_stl_stop_remote_exec(self, node):
"""Execute script on remote node over ssh to stop running traffic.
:raises RuntimeError: If stop traffic script fails.
"""
# No need to check subtype, we know it is TREX.
- x_args = u""
+ command_line = OptionString().add(u"python3")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/tools/trex"
+ command_line.add(f"'{dirname}/trex_stateless_stop.py'")
+ command_line.change_prefix(u"--")
for index, value in enumerate(self._xstats):
if value is not None:
- # Nested quoting is fun.
value = value.replace(u"'", u"\"")
- x_args += f" --xstat{index}='\"'\"'{value}'\"'\"'"
+ command_line.add_equals(f"xstat{index}", f"'{value}'")
stdout, _ = exec_cmd_no_error(
- node, f"sh -c '{Constants.REMOTE_FW_DIR}/resources/tools/trex/"
- f"trex_stateless_stop.py{x_args}'",
- message=u"TRex stateless runtime error"
+ node, command_line, message=u"TRex stateless runtime error"
)
self._parse_traffic_results(stdout)
:param rate: Traffic rate expressed with units (pps, %)
:param frame_size: L2 frame size to send (without padding and IPG).
:param traffic_profile: Module name as a traffic profile identifier.
- See resources/traffic_profiles/trex for implemented modules.
+ See GPL/traffic_profiles/trex for implemented modules.
:param async_call: If enabled then don't wait for all incomming trafic.
:param latency: With latency measurement.
:param warmup_time: Warmup time period.
# No need to check subtype, we know it is TREX.
reorder = self._ifaces_reordered # Just to make the next line fit.
p_0, p_1 = (rx_port, tx_port) if reorder else (tx_port, rx_port)
-
if not isinstance(duration, (float, int)):
duration = float(duration)
if not isinstance(warmup_time, (float, int)):
warmup_time = float(warmup_time)
- command = f"sh -c \"" \
- f"{Constants.REMOTE_FW_DIR}/resources/tools/trex/" \
- f"trex_stateless_profile.py " \
- f"--profile {Constants.REMOTE_FW_DIR}/resources/" \
- f"traffic_profiles/trex/{traffic_profile}.py " \
- f"--duration {duration!r} --frame_size {frame_size} " \
- f"--rate {rate!r} --warmup_time {warmup_time!r} " \
- f"--port_0 {p_0} --port_1 {p_1} " \
- f"--traffic_directions {traffic_directions}"
- if async_call:
- command += u" --async_start"
- if latency:
- command += u" --latency"
- if Constants.TREX_SEND_FORCE:
- command += u" --force"
- command += u"\""
+
+ command_line = OptionString().add(u"python3")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/tools/trex"
+ command_line.add(f"'{dirname}/trex_stateless_profile.py'")
+ command_line.change_prefix(u"--")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/traffic_profiles/trex"
+ quoted_path = f"'{dirname}/{traffic_profile}.py'"
+ command_line.add_with_value(u"profile", quoted_path)
+ command_line.add_with_value(u"duration", f"{duration!r}")
+ command_line.add_with_value(u"frame_size", frame_size)
+ command_line.add_with_value(u"rate", f"{rate!r}")
+ command_line.add_with_value(u"warmup_time", f"{warmup_time!r}")
+ command_line.add_with_value(u"port_0", p_0)
+ command_line.add_with_value(u"port_1", p_1)
+ command_line.add_with_value(u"traffic_directions", traffic_directions)
+ command_line.add_if(u"async_start", async_call)
+ command_line.add_if(u"latency", latency)
+ command_line.add_if(u"force", Constants.TREX_SEND_FORCE)
stdout, _ = exec_cmd_no_error(
- self._node, command, timeout=float(duration) + 60,
+ self._node, command_line, timeout=float(duration) + 60,
message=u"TRex stateless runtime error"
)
:param rate: Offered load per interface (e.g. 1%, 3gbps, 4mpps, ...).
:param frame_size: Frame size (L2) in Bytes.
:param traffic_profile: Module name as a traffic profile identifier.
- See resources/traffic_profiles/trex for implemented modules.
+ See GPL/traffic_profiles/trex for implemented modules.
:param warmup_time: Warmup phase in seconds.
:param async_call: Async mode.
:param latency: With latency measurement.
:param frame_size: Frame size identifier or value [B].
:param traffic_profile: Module name as a traffic profile identifier.
- See resources/traffic_profiles/trex for implemented modules.
+ See GPL/traffic_profiles/trex for implemented modules.
:param warmup_time: Traffic duration before measurement starts [s].
:param traffic_directions: Traffic is bi- (2) or uni- (1) directional.
Default: 2
duration, transmit_rate, transmit_count, loss_count
)
measurement.latency = self.get_latency_int()
+ measurement.approximated_rate = self.get_approximated_rate()
return measurement
def measure(self, duration, transmit_rate):
:param frame_size: Frame size identifier or value [B].
:param traffic_profile: Module name as a traffic profile identifier.
- See resources/traffic_profiles/trex for implemented modules.
+ See GPL/traffic_profiles/trex for implemented modules.
:param minimum_transmit_rate: Minimal uni-directional
target transmit rate [pps].
:param maximum_transmit_rate: Maximal uni-directional
:param frame_size: Frame size identifier or value [B].
:param traffic_profile: Module name as a traffic profile identifier.
- See resources/traffic_profiles/trex for implemented modules.
+ See GPL/traffic_profiles/trex for implemented modules.
:param minimum_transmit_rate: Minimal uni-directional
target transmit rate [pps].
:param maximum_transmit_rate: Maximal uni-directional