2 Documentation Cbench Latency and Throughput tests can be run from an external
4 ... If cbench is run with a medium number of switches or higher (e.g. 32+)
5 ... the normal openflow operations seem to break.
6 ... BUG: https://bugs.opendaylight.org/show_bug.cgi?id=2897
7 Suite Setup Cbench Suite Setup
8 Test Teardown Log Results As Zero If Cbench Timed Out
11 Resource ../../../libraries/Utils.robot
12 Resource ../../../libraries/KarafKeywords.robot
15 ${throughput_threshold} 30000
16 ${latency_threshold} 10000
18 ${duration_in_secs} 12
20 ${num_of_unique_macs} 10000
21 ${cbench_system} ${MININET}
22 ${cbench_executable} /usr/local/bin/cbench
23 ${throughput_results_file} throughput.csv
24 ${latency_results_file} latency.csv
28 [Documentation] cbench executed in default latency mode. Test parameters have defaults, but can be overridden
29 ... on the pybot command line
31 [Timeout] ${test_timeout}
32 Log Cbench tests using ${loops} iterations of ${duration_in_secs} second tests. Switch Count: ${switch_count}. Unique MACS to cycle: ${num_of_unique_macs}
33 Run Cbench And Log Results -m ${duration_in_ms} -M ${num_of_unique_macs} -s ${switch_count} -l ${loops} ${latency_threshold} ${latency_results_file}
35 Cbench Throughput Test
36 [Documentation] cbench executed in throughput mode (-t). Test parameters have defaults, but can be overridden
37 ... on the pybot command line
39 [Timeout] ${test_timeout}
40 Log Cbench tests using ${loops} iterations of ${duration_in_secs} second tests. Switch Count: ${switch_count}. Unique MACS to cycle: ${num_of_unique_macs}
41 Run Cbench And Log Results -t -m ${duration_in_ms} -M ${num_of_unique_macs} -s ${switch_count} -l ${loops} ${throughput_threshold} ${throughput_results_file}
44 Run Cbench And Log Results
45 [Arguments] ${cbench_args} ${average_threshold} ${output_filename}=results.csv
46 ##If the cbench command fails to return, the keyword to run it will time out. The test tear
47 ##down can catch this problem and log the results as zero. However, we need to know which
48 ##file to log to, so setting it as a suite variable here.
49 Set Suite Variable ${output_filename}
50 ${output}= Run Command On Remote System ${cbench_system} ${cbench_executable} -c ${ODL_SYSTEM_IP} ${cbench_args} prompt_timeout=${test_timeout}
52 Should Contain ${output} RESULT
53 ${result_line}= Get Lines Containing String ${output} RESULT
54 @{results_list}= Split String ${result_line}
55 Log ${results_list[5]}
56 Log ${results_list[7]}
57 @{result_name_list}= Split String ${results_list[5]} /
58 @{result_value_list}= Split String ${results_list[7]} /
59 ${num_stats}= Get Length ${result_name_list}
60 : FOR ${i} IN RANGE 0 ${num_stats}
61 \ Log ${result_name_list[${i}]} :: ${result_value_list[${i}]}
62 ${min}= Set Variable ${result_value_list[${0}]}
63 ${max}= Set Variable ${result_value_list[${1}]}
64 ${average}= Set Variable ${result_value_list[${2}]}
65 ${stdev}= Set Variable ${result_value_list[${3}]}
66 ${date}= Get Time d,m,s
67 Log CBench Result: ${date},${cbench_args},${min},${max},${average},${stdev}
68 Log Results And Determine Status ${min} ${max} ${average} ${average_threshold} ${output_filename}
71 Append To File ${latency_results_file} LATENCY_MIN,LATENCY_MAX,LATENCY_AVERAGE\n
72 Append To File ${throughput_results_file} THROUGHPUT_MIN,THROUGHPUT_MAX,THROUGHPUT_AVERAGE\n
73 ${duration_in_ms} Evaluate ${duration_in_secs} * 1000
74 Set Suite Variable ${duration_in_ms}
75 ##Setting the test timeout dynamically in case larger values on command line override default
76 ${test_timeout} Evaluate (${loops} * ${duration_in_secs}) * 1.5
77 Set Suite Variable ${test_timeout}
78 Verify File Exists On Remote System ${cbench_system} ${cbench_executable}
79 Should Be True ${loops} >= 2 If number of loops is less than 2, cbench will not run
80 Verify Feature Is Installed odl-openflowplugin-drop-test
81 Issue Command On Karaf Console dropallpacketsrpc on
83 Log Results And Determine Status
84 [Arguments] ${min} ${max} ${average} ${threshold} ${output_file}
85 Append To File ${output_file} ${min},${max},${average}\n
86 Should Be True ${average} > ${threshold} ${average} flow_mods per/sec did not exceed threshold of ${threshold}
88 Log Results As Zero If Cbench Timed Out
89 Run Keyword If Timeout Occurred Log Results And Determine Status 0 0 0 0 ${output_filename}