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#!/router/bin/python
from .stl_general_test import CStlGeneral_Test, CTRexScenario
from trex_stl_lib.api import *
import os, sys
from collections import deque
from time import time, sleep
import pprint
class STLBenchmark_Test(CStlGeneral_Test):
"""Benchark stateless performance"""
def test_CPU_benchmark(self):
critical_test = CTRexScenario.setup_name in ('kiwi02', 'trex08', 'trex09') # temporary patch, this test needs to be fixed
timeout = 60 # max time to wait for stabilization
stabilize = 5 # ensure stabilization over this period
print('')
#self.get_benchmark_param('profiles')
#profiles=[{'bw_per_core': 1,
# 'cpu_util': 1,
# 'kwargs': {'packet_len': 64},
# 'name': 'stl/udp_for_benchmarks.py'}]
profiles = self.get_benchmark_param('profiles')
dp_cores = self.stl_trex.system_info.get('dp_core_count', 0)
for profile_bench in profiles:
cpu_utils = deque([0] * stabilize, maxlen = stabilize)
bps = deque([0] * stabilize, maxlen = stabilize)
pps = deque([0] * stabilize, maxlen = stabilize)
kwargs = profile_bench.get('kwargs', {})
print('Testing profile %s, kwargs: %s' % (profile_bench['name'], kwargs))
profile = STLProfile.load(os.path.join(CTRexScenario.scripts_path, profile_bench['name']), **kwargs)
self.stl_trex.reset()
self.stl_trex.clear_stats()
sleep(1)
self.stl_trex.add_streams(profile)
mult = '1%' if (self.is_virt_nics or self.is_vf_nics) else '10%'
self.stl_trex.start(mult = mult)
start_time = time()
for i in range(timeout + 1):
stats = self.stl_trex.get_stats()
cpu_utils.append(stats['global']['cpu_util'])
bps.append(stats['global']['tx_bps'])
pps.append(stats['global']['tx_pps'])
if i > stabilize and min(cpu_utils) > max(cpu_utils) * 0.95:
break
sleep(0.5)
agv_cpu_util = sum(cpu_utils) / stabilize
agv_pps = sum(pps) / stabilize
agv_bps = sum(bps) / stabilize
if agv_cpu_util == 0.0:
agv_cpu_util=1.0;
agv_mpps = (agv_pps/1e6);
agv_gbps = (agv_bps/1e9)
agv_gbps_norm = agv_gbps * 100.0/agv_cpu_util;
agv_mpps_norm = agv_mpps * 100.0/agv_cpu_util;
agv_gbps_norm_pc = agv_gbps_norm/dp_cores;
agv_mpps_norm_pc = agv_mpps_norm/dp_cores;
if critical_test and i == timeout and agv_cpu_util > 10:
raise Exception('Timeout on waiting for stabilization, last CPU util values: %s' % list(cpu_utils))
if stats[0]['opackets'] < 300 or stats[1]['opackets'] < 300:
raise Exception('Too few opackets, port0: %s, port1: %s' % (stats[0]['opackets'], stats[1]['opackets']))
if stats['global']['queue_full'] > 100000:
raise Exception('Too much queue_full: %s' % stats['global']['queue_full'])
if not cpu_utils[-1]:
raise Exception('CPU util is zero, last values: %s' % list(cpu_utils))
print('Done (%ss), CPU util: %4g, norm_pps_per_core:%6smpps norm_bw_per_core: %6sGb/core' % (int(time() - start_time), agv_cpu_util, round(agv_mpps_norm_pc,2), round(agv_gbps_norm_pc, 2)))
# report benchmarks to elk
if self.elk:
streams=kwargs.get('stream_count',1)
elk_obj = self.get_elk_obj()
print("\n* Reporting to elk *\n")
name=profile_bench['name']
elk_obj['test']={ "name" : name,
"type" : "stateless-range",
"cores" : dp_cores,
"cpu%" : agv_cpu_util,
"mpps" : (agv_mpps),
"streams_count" :streams,
"mpps_pc" : (agv_mpps_norm_pc),
"gbps_pc" : (agv_gbps_norm_pc),
"gbps" : (agv_gbps),
"avg-pktsize" : round((1000.0*agv_gbps/(8.0*agv_mpps))),
"latecny" : { "min" : -1.0,
"max" : -1.0,
"avr" : -1.0
}
};
#pprint.pprint(elk_obj);
self.elk.perf.push_data(elk_obj)
def tearDown(self):
self.stl_trex.reset()
self.stl_trex.clear_stats()
sleep(1)
CStlGeneral_Test.tearDown(self)
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