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-rw-r--r--tools/pkt_gen/moongen/moongen.py68
1 files changed, 42 insertions, 26 deletions
diff --git a/tools/pkt_gen/moongen/moongen.py b/tools/pkt_gen/moongen/moongen.py
index 7af83f26..e14c6a79 100644
--- a/tools/pkt_gen/moongen/moongen.py
+++ b/tools/pkt_gen/moongen/moongen.py
@@ -20,10 +20,11 @@ Moongen Traffic Generator Model
"""
# python imports
-import logging
from collections import OrderedDict
-import subprocess
+import logging
+import math
import re
+import subprocess
# VSPerf imports
from conf import settings
@@ -49,6 +50,13 @@ class Moongen(ITrafficGenerator):
self._moongen_user = settings.getValue('TRAFFICGEN_MOONGEN_USER')
self._moongen_ports = settings.getValue('TRAFFICGEN_MOONGEN_PORTS')
+ if settings.getValue('TRAFFICGEN_MOONGEN_LINE_SPEED_GBPS') == '10':
+ self._moongen_line_speed = math.pow(10, 10)
+ else:
+ raise RuntimeError(
+ 'MOONGEN: Invalid line speed in configuration ' + \
+ 'file (today 10Gbps supported)')
+
@property
def traffic_defaults(self):
"""Default traffic values.
@@ -138,8 +146,9 @@ class Moongen(ITrafficGenerator):
out_file.write("dstIp = \"" + \
str(traffic['l3']['dstip']) + "\",\n")
- out_file.write("vlanId = " + \
- str(traffic['vlan']['id']) + ",\n")
+ if traffic['vlan']['enabled']:
+ out_file.write("vlanId = " + \
+ str(traffic['vlan']['id']) + ",\n")
out_file.write("searchRunTime = " + \
str(duration) + ",\n")
@@ -156,10 +165,17 @@ class Moongen(ITrafficGenerator):
if one_shot:
out_file.write("oneShot = true,\n")
- # Assume 10G line rates at the moment. Need to convert VSPERF
- # frame_rate (percentage of line rate) to Mpps for Moongen
+ # Need to convert VSPERF frame_rate (percentage of line rate)
+ # to Mpps for Moongen
+ start_rate = str(
+ (traffic['frame_rate'] / 100) * (self._moongen_line_speed / \
+ (8 * (traffic['l2']['framesize'] + 20)) / math.pow(10, 6)))
+
+ logging.debug("startRate = " + start_rate)
+
+ out_file.write("startRate = " + \
+ start_rate + "\n")
- out_file.write("startRate = " + str((traffic['frame_rate'] / 100) * 14.88) + "\n")
out_file.write("}" + "\n")
out_file.close()
@@ -316,31 +332,31 @@ class Moongen(ITrafficGenerator):
results = OrderedDict()
results[ResultsConstants.THROUGHPUT_RX_FPS] = (
- '{:,.6f}'.format(total_throughput_rx_fps))
+ '{:.6f}'.format(total_throughput_rx_fps))
results[ResultsConstants.THROUGHPUT_RX_MBPS] = (
- '{:,.3f}'.format(total_throughput_rx_mbps))
+ '{:.3f}'.format(total_throughput_rx_mbps))
results[ResultsConstants.THROUGHPUT_RX_PERCENT] = (
- '{:,.3f}'.format(total_throughput_rx_pct))
+ '{:.3f}'.format(total_throughput_rx_pct))
results[ResultsConstants.TX_RATE_FPS] = (
- '{:,.6f}'.format(total_throughput_tx_fps))
+ '{:.6f}'.format(total_throughput_tx_fps))
results[ResultsConstants.TX_RATE_MBPS] = (
- '{:,.3f}'.format(total_throughput_tx_mbps))
+ '{:.3f}'.format(total_throughput_tx_mbps))
results[ResultsConstants.TX_RATE_PERCENT] = (
- '{:,.3f}'.format(total_throughput_tx_pct))
+ '{:.3f}'.format(total_throughput_tx_pct))
results[ResultsConstants.MIN_LATENCY_NS] = (
- '{:,.3f}'.format(total_min_latency_ns))
+ '{:.3f}'.format(total_min_latency_ns))
results[ResultsConstants.MAX_LATENCY_NS] = (
- '{:,.3f}'.format(total_max_latency_ns))
+ '{:.3f}'.format(total_max_latency_ns))
results[ResultsConstants.AVG_LATENCY_NS] = (
- '{:,.3f}'.format(total_avg_latency_ns))
+ '{:.3f}'.format(total_avg_latency_ns))
return results
@@ -475,7 +491,7 @@ class Moongen(ITrafficGenerator):
if results_match and parameters_match:
# Assume for now 10G link speed
max_theoretical_mfps = (
- (10000000000 / 8) / (frame_size + 20))
+ (self._moongen_line_speed / 8) / (frame_size + 20))
moongen_results[ResultsConstants.THROUGHPUT_RX_FPS] = (
float(results_match.group(6)) * 1000000)
@@ -586,31 +602,31 @@ class Moongen(ITrafficGenerator):
results = OrderedDict()
results[ResultsConstants.THROUGHPUT_RX_FPS] = (
- '{:,.6f}'.format(total_throughput_rx_fps / trials))
+ '{:.6f}'.format(total_throughput_rx_fps / trials))
results[ResultsConstants.THROUGHPUT_RX_MBPS] = (
- '{:,.3f}'.format(total_throughput_rx_mbps / trials))
+ '{:.3f}'.format(total_throughput_rx_mbps / trials))
results[ResultsConstants.THROUGHPUT_RX_PERCENT] = (
- '{:,.3f}'.format(total_throughput_rx_pct / trials))
+ '{:.3f}'.format(total_throughput_rx_pct / trials))
results[ResultsConstants.TX_RATE_FPS] = (
- '{:,.6f}'.format(total_throughput_tx_fps / trials))
+ '{:.6f}'.format(total_throughput_tx_fps / trials))
results[ResultsConstants.TX_RATE_MBPS] = (
- '{:,.3f}'.format(total_throughput_tx_mbps / trials))
+ '{:.3f}'.format(total_throughput_tx_mbps / trials))
results[ResultsConstants.TX_RATE_PERCENT] = (
- '{:,.3f}'.format(total_throughput_tx_pct / trials))
+ '{:.3f}'.format(total_throughput_tx_pct / trials))
results[ResultsConstants.MIN_LATENCY_NS] = (
- '{:,.3f}'.format(total_min_latency_ns / trials))
+ '{:.3f}'.format(total_min_latency_ns / trials))
results[ResultsConstants.MAX_LATENCY_NS] = (
- '{:,.3f}'.format(total_max_latency_ns / trials))
+ '{:.3f}'.format(total_max_latency_ns / trials))
results[ResultsConstants.AVG_LATENCY_NS] = (
- '{:,.3f}'.format(total_avg_latency_ns / trials))
+ '{:.3f}'.format(total_avg_latency_ns / trials))
return results