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
12 Resource ../../../libraries/Utils.robot
13 Resource ../../../libraries/KarafKeywords.robot
16 ${throughput_threshold} 30000
17 ${latency_threshold} 10000
19 ${duration_in_secs} 10
21 ${num_of_unique_macs} 100
23 ${cbench_system} ${TOOLS_SYSTEM_IP}
24 ${cbench_executable} /usr/local/bin/cbench
25 ${throughput_results_file} throughput.csv
26 ${latency_results_file} latency.csv
30 [Documentation] cbench executed in default latency mode. Test parameters have defaults, but can be overridden
31 ... on the pybot command line
33 [Timeout] ${test_timeout}
34 Log Cbench tests using ${loops} iterations of ${duration_in_secs} second tests. Switch Count: ${switch_count}. Unique MACS to cycle: ${num_of_unique_macs}
35 Run Cbench And Log Results -m ${duration_in_ms} -M ${num_of_unique_macs} -s ${switch_count} -l ${loops} -D ${start_delay} ${latency_threshold} ${latency_results_file}
36 # We have to give some time for the controller to recover. See bug 6176.
39 Cbench Throughput Test
40 [Documentation] cbench executed in throughput mode (-t). Test parameters have defaults, but can be overridden
41 ... on the pybot command line
43 [Timeout] ${test_timeout}
44 Log Cbench tests using ${loops} iterations of ${duration_in_secs} second tests. Switch Count: ${switch_count}. Unique MACS to cycle: ${num_of_unique_macs}
45 Run Cbench And Log Results -t -m ${duration_in_ms} -M ${num_of_unique_macs} -s ${switch_count} -l ${loops} -D ${start_delay} ${throughput_threshold} ${throughput_results_file}
46 # We have to give some time for the controller to recover. See bug 6176.
49 Rerun Latency Test To Check Bug 6176
50 [Documentation] cbench executed in latency mode to see if controller is healthy
52 [Timeout] ${test_timeout}
53 Log Cbench tests using ${loops} iterations of ${duration_in_secs} second tests. Switch Count: ${switch_count}. Unique MACS to cycle: ${num_of_unique_macs}
54 Run Cbench And Log Results -m ${duration_in_ms} -M ${num_of_unique_macs} -s ${switch_count} -l ${loops} -D ${start_delay} ${latency_threshold} bug.csv
55 # We have to give some time for the controller to recover. See bug 6176.
59 Run Cbench And Log Results
60 [Arguments] ${cbench_args} ${average_threshold} ${output_filename}=results.csv
61 ##If the cbench command fails to return, the keyword to run it will time out. The test tear
62 ##down can catch this problem and log the results as zero. However, we need to know which
63 ##file to log to, so setting it as a suite variable here.
64 Set Suite Variable ${output_filename}
65 ${output}= Run Keyword If "${cbench_system}" == "localhost" Run Process ${cbench_executable} -c ${ODL_SYSTEM_IP}
67 ... ELSE Run Command On Remote System ${cbench_system} ${cbench_executable} -c ${ODL_SYSTEM_IP} ${cbench_args} prompt_timeout=${test_timeout}
69 Should Contain ${output} RESULT
70 ${result_line}= Get Lines Containing String ${output} RESULT
71 @{results_list}= Split String ${result_line}
72 Log ${results_list[5]}
73 Log ${results_list[7]}
74 @{result_name_list}= Split String ${results_list[5]} /
75 @{result_value_list}= Split String ${results_list[7]} /
76 ${num_stats}= Get Length ${result_name_list}
77 : FOR ${i} IN RANGE 0 ${num_stats}
78 \ Log ${result_name_list[${i}]} :: ${result_value_list[${i}]}
79 ${min}= Set Variable ${result_value_list[${0}]}
80 ${max}= Set Variable ${result_value_list[${1}]}
81 ${average}= Set Variable ${result_value_list[${2}]}
82 ${stdev}= Set Variable ${result_value_list[${3}]}
83 ${date}= Get Time d,m,s
84 Log CBench Result: ${date},${cbench_args},${min},${max},${average},${stdev}
85 Log Results And Determine Status ${min} ${max} ${average} ${average_threshold} ${output_filename}
88 Wait Until Keyword Succeeds 3x 1s KarafKeywords.Issue Command On Karaf Console log:set ERROR
89 Append To File ${latency_results_file} LATENCY_MIN,LATENCY_MAX,LATENCY_AVERAGE\n
90 Append To File ${throughput_results_file} THROUGHPUT_MIN,THROUGHPUT_MAX,THROUGHPUT_AVERAGE\n
91 ${duration_in_ms} Evaluate ${duration_in_secs} * 1000
92 Set Suite Variable ${duration_in_ms}
93 ##Setting the test timeout dynamically in case larger values on command line override default
94 ${test_timeout} Evaluate (${loops} * ${duration_in_secs}) * 1.5
95 Set Suite Variable ${test_timeout}
96 Run Keyword If "${cbench_system}" == "localhost" File Should Exist ${cbench_executable}
97 ... ELSE Verify File Exists On Remote System ${cbench_system} ${cbench_executable}
98 Should Be True ${loops} >= 2 If number of loops is less than 2, cbench will not run
99 Verify Feature Is Installed odl-openflowplugin-drop-test
100 Issue Command On Karaf Console dropallpacketsrpc on
102 Log Results And Determine Status
103 [Arguments] ${min} ${max} ${average} ${threshold} ${output_file}
104 Append To File ${output_file} ${min},${max},${average}\n
105 Should Be True ${average} > ${threshold} ${average} flow_mods per/sec did not exceed threshold of ${threshold}
107 Log Results As Zero If Cbench Timed Out
108 Run Keyword If Timeout Occurred Log Results And Determine Status 0 0 0 0 ${output_filename}