tg_instance.trex_stl_start_remote_exec(self.get_duration(),
unit_rate, frame_size,
traffic_type)
- # Get latency stats from stream
- self._latency_stats = tg_instance.get_latency()
-
loss = tg_instance.get_loss()
sent = tg_instance.get_sent()
if self.loss_acceptance_type_is_percentage():
else:
raise NotImplementedError("TG subtype not supported")
+ def get_latency(self):
+ """Return min/avg/max latency.
+
+ :return: Latency stats.
+ :rtype: list
+ """
+
+ tg_instance = BuiltIn().get_library_instance(
+ 'resources.libraries.python.TrafficGenerator')
+ return tg_instance.get_latency_int()
class TrafficGenerator(object):
"""Traffic Generator."""
"""
return self._received
- def get_latency(self):
- """Return min/avg/max latency.
+ def get_latency_int(self):
+ """Return rounded min/avg/max latency.
:return: Latency stats.
:rtype: list
self._received = self._result.split(', ')[1].split('=')[1]
self._sent = self._result.split(', ')[2].split('=')[1]
self._loss = self._result.split(', ')[3].split('=')[1]
+
self._latency = []
- self._latency.append(self._result.split(', ')[4].split('=')[1])
- self._latency.append(self._result.split(', ')[5].split('=')[1])
+ lat_int_list = []
+ #round latency numbers
+ lat_str = self._result.split(', ')[4].split('=')[1]
+ for lat in lat_str.split("/"):
+ lat_int_list.append(int(float(lat)))
+ self._latency.append("/".join(str(tmp) for tmp in lat_int_list))
+ lat_int_list = []
+ lat_str = self._result.split(', ')[5].split('=')[1]
+ for lat in lat_str.split("/"):
+ lat_int_list.append(int(float(lat)))
+ self._latency.append("/".join(str(tmp) for tmp in lat_int_list))
def stop_traffic_on_tg(self):
"""Stop all traffic on TG
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Linear Search | ${start_rate} | ${topology_type}
-| | ${rate_per_stream} | ${latency}= | Verify Search Result
+| | ${rate_per_stream} | ${lat}= | Verify Search Result
+| | ${tmp}= | Create List | 100%NDR | ${lat}
+| | ${latency}= | Create List | ${tmp}
+| | ${rate_50p}= | Evaluate | int(${rate_per_stream}*0.5)
+| | ${lat_50p}= | Measure latency | ${duration} | ${rate_50p}pps
+| | ... | ${framesize} | ${topology_type}
+| | ${tmp}= | Create List | 50%NDR | ${lat_50p}
+| | Append To List | ${latency} | ${tmp}
+| | ${rate_10p}= | Evaluate | int(${rate_per_stream}*0.1)
+| | ${lat_10p}= | Measure latency | ${duration} | ${rate_10p}pps
+| | ... | ${framesize} | ${topology_type}
+| | ${tmp}= | Create List | 10%NDR | ${lat_10p}
+| | Append To List | ${latency} | ${tmp}
| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
| | ... | ${latency}
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | Set Search Rate Type pps
| | Set Binary Convergence Threshold | ${threshold}
| | Binary Search | ${binary_min} | ${binary_max} | ${topology_type}
-| | ${rate_per_stream} | ${latency}= | Verify Search Result
+| | ${rate_per_stream} | ${lat}= | Verify Search Result
+| | ${tmp}= | Create List | 100%NDR | ${lat}
+| | ${latency}= | Create List | ${tmp}
+| | ${rate_50p}= | Evaluate | int(${rate_per_stream}*0.5)
+| | ${lat_50p}= | Measure latency | ${duration} | ${rate_50p}pps
+| | ... | ${framesize} | ${topology_type}
+| | ${tmp}= | Create List | 50%NDR | ${lat_50p}
+| | Append To List | ${latency} | ${tmp}
+| | ${rate_10p}= | Evaluate | int(${rate_per_stream}*0.1)
+| | ${lat_10p}= | Measure latency | ${duration} | ${rate_10p}pps
+| | ... | ${framesize} | ${topology_type}
+| | ${tmp}= | Create List | 10%NDR | ${lat_10p}
+| | Append To List | ${latency} | ${tmp}
| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
| | ... | ${latency}
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | Set Search Rate Type pps
| | Set Binary Convergence Threshold | ${threshold}
| | Combined Search | ${start_rate} | ${topology_type}
-| | ${rate_per_stream} | ${latency}= | Verify Search Result
+| | ${rate_per_stream} | ${lat}= | Verify Search Result
+| | ${tmp}= | Create List | 100%NDR | ${lat}
+| | ${latency}= | Create List | ${tmp}
+| | ${rate_50p}= | Evaluate | int(${rate_per_stream}*0.5)
+| | ${lat_50p}= | Measure latency | ${duration} | ${rate_50p}pps
+| | ... | ${framesize} | ${topology_type}
+| | ${tmp}= | Create List | 50%NDR | ${lat_50p}
+| | Append To List | ${latency} | ${tmp}
+| | ${rate_10p}= | Evaluate | int(${rate_per_stream}*0.1)
+| | ${lat_10p}= | Measure latency | ${duration} | ${rate_10p}pps
+| | ... | ${framesize} | ${topology_type}
+| | ${tmp}= | Create List | 10%NDR | ${lat_10p}
+| | Append To List | ${latency} | ${tmp}
| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
| | ... | ${latency}
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | ... | *Example:*
| | ...
| | ... | \| Display result of NDR search \| 4400000 \| 64 \| 2 \
-| | ... | \| (0, 10/10/10) \|
+| | ... | \| [100%NDR, [10/10/10, 1/2/3]] \|
| | [Arguments] | ${rate_per_stream} | ${framesize} | ${nr_streams}
| | ... | ${latency}
| | ${framesize}= | Get Frame Size | ${framesize}
| | ... | append=yes
| | Set Test Message | ${\n}FINAL_BANDWIDTH: ${bandwidth_total} Gbps (untagged)
| | ... | append=yes
-| | :FOR | ${idx} | ${lat} | IN ENUMERATE | @{latency}
-| | | Set Test Message | ${\n}LATENCY_STREAM_${idx}: ${lat} usec (min/avg/max)
-| | ... | append=yes
+| | Set Test Message | ${\n}LATENCY usec [min/avg/max] | append=yes
+| | :FOR | ${lat} | IN | @{latency}
+| | | Set Test Message | ${\n}LAT_${lat[0]}: ${lat[1]} | append=yes
| Display result of PDR search
| | [Documentation]
| | Set Test Message | ${\n}LOSS_ACCEPTANCE: ${loss_acceptance} ${loss_acceptance_type}
| | ... | append=yes
+| Measure latency
+| | [Documentation]
+| | ... | Send traffic at specified rate. Measure min/avg/max latency
+| | ...
+| | ... | *Arguments:*
+| | ... | - duration - Duration of traffic run [s]. Type: integer
+| | ... | - rate - Rate for sending packets. Type: string
+| | ... | - framesize - L2 Frame Size [B]. Type: integer
+| | ... | - topology_type - Topology type. Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Measure latency \| 10 \| 4.0mpps \| 64 \| 3-node-IPv4
+| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
+| | Clear all counters on all DUTs
+| | Send traffic on tg | ${duration} | ${rate} | ${framesize}
+| | ... | ${topology_type} | warmup_time=0
+| | Show statistics on all DUTs
+| | Run keyword and return | Get latency
+
| Traffic should pass with no loss
| | [Documentation]
| | ... | Send traffic at specified rate. No packet loss is accepted at loss