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How to use get_current_response_time_percentile method in locust

Best Python code snippet using locust

locustfile.py

Source:locustfile.py

...30    while not environment.runner.state in [STATE_STOPPING, STATE_STOPPED, STATE_CLEANUP]:31        #add time delay reduce the rate that the response time is checked and control variables are updated32        time.sleep(1)33        #If the locust runner is reporting values for the response time, i.e. integers34        if isinstance(environment.runner.stats.total.get_current_response_time_percentile(0.5), int) :35            #receive the response time from the locust runner and set to variables36            response_time_median = environment.runner.stats.total.get_current_response_time_percentile(0.5)37            response_time_95perc = environment.runner.stats.total.get_current_response_time_percentile(0.95)38            #If both the median and 95 percentile are above their respective thresholds39            if response_time_median > 1000 and response_time_95perc > 3000 :40                print(f"reducing load on server, both thresholds breached", flush=True)41                #set threshold_ratio to the multiplication of the ratios of response time to the thresholds42                threshold_ratio = (response_time_median/1000)*(response_time_95perc/3000)43                #set to True to indicate VM has been fully loaded44                first_fully_loaded = True45            #Else if just the median is above the threshold,46            elif response_time_median > 1000:47                print(f"reducing load on server, median threshold breached", flush=True)48                #set threshold_ratio to the ratio of response time to the threshold49                threshold_ratio = response_time_median/100050                #set to True to indicate VM has been fully loaded51                first_fully_loaded = True52            #Else if just the 95 percentile is above the threshold,53            elif response_time_95perc > 3000:54                print(f"reducing load on server, 95th percentile threshold breached", flush=True)55                #set threshold_ratio to the ratio of response time to the threshold56                threshold_ratio = response_time_95perc/300057                #set to True to indicate VM has been fully loaded58                first_fully_loaded = True59            #Else if neither the median of 95 percentile are above the thresholds60            else :61                #set threshold_ratio to the ratio of response time to the threshold62                threshold_ratio = response_time_median/100063#funtion to send regular reports of the metrics to Graphite via a socket connection64def send_report(environment):65    #initialise global variables inside function66    global user_count67    global run_time68    global records_start_time69    #create a socket connection and connect using the IP address of the Results Server70    sock = socket.socket()71    sock.connect( ("[RESULTS_IP]", 2003) )72    #Run while the state of the locust master's run state is not stopping, stopped or in post stop cleanup73    while not environment.runner.state in [STATE_STOPPING, STATE_STOPPED, STATE_CLEANUP]:74        #add time delay to reduce the rate that the reports are sent to Graphite to avoid unnecessary network traffic75        time.sleep(0.5)76        #if the locust load test is running77        if environment.runner.state == STATE_RUNNING or environment.runner.state == STATE_SPAWNING:78            #checks for Nulls and assigns the median response time79            if environment.runner.stats.total.get_current_response_time_percentile(0.5) is None:80                response_time_median = 081            else:82                response_time_median = environment.runner.stats.total.get_current_response_time_percentile(0.5)83            #checks for Nulls and assigns the median response time84            if environment.runner.stats.total.get_current_response_time_percentile(0.95) is None:85                response_time_95perc = 086            else:87                response_time_95perc = environment.runner.stats.total.get_current_response_time_percentile(0.95)88            #checks if the num_reqs_per_sec dictionary in locust has a value for the current time with a 3 second delay to allow the dict to be written89            if round(time.time()-3) in environment.runner.stats.total.num_reqs_per_sec:90                #assigns the requests_per_second from 3 seconds ago91                requests_per_second = environment.runner.stats.total.num_reqs_per_sec[round(time.time()-3)]92            else :93                print("no requests per second recorded for this timeframe")94                requests_per_second = 095            #checks if the num_fail_per_sec dictionary in locust has a value for the current time with a 3 second delay to allow the dict to be written96            if round(time.time()-3) in environment.runner.stats.total.num_fail_per_sec:97                #assigns the failures_per_second from 3 seconds ago98                failures_per_second = environment.runner.stats.total.num_fail_per_sec[round(time.time()-3)]99            else :100                print("no failures per second recorded for this timeframe")101                failures_per_second = 0...

tasks.py

Source:tasks.py

...30    while not environment.runner.state in [STATE_STOPPING, STATE_STOPPED, STATE_CLEANUP]:31        #add time delay reduce the rate that the response time is checked and control variables are updated32        time.sleep(1)33        #If the locust runner is reporting values for the response time, i.e. integers34        if isinstance(environment.runner.stats.total.get_current_response_time_percentile(0.5), int) :35            #receive the response time from the locust runner and set to variables36            response_time_median = environment.runner.stats.total.get_current_response_time_percentile(0.5)37            response_time_95perc = environment.runner.stats.total.get_current_response_time_percentile(0.95)38            #If both the median and 95 percentile are above their respective thresholds39            if response_time_median > 1000 and response_time_95perc > 3000 :40                print(f"reducing load on server, both thresholds breached", flush=True)41                #set threshold_ratio to the multiplication of the ratios of response time to the thresholds42                threshold_ratio = (response_time_median/1000)*(response_time_95perc/3000)43                #set to True to indicate VM has been fully loaded44                first_fully_loaded = True45            #Else if just the median is above the threshold,46            elif response_time_median > 1000:47                print(f"reducing load on server, median threshold breached", flush=True)48                #set threshold_ratio to the ratio of response time to the threshold49                threshold_ratio = response_time_median/100050                #set to True to indicate VM has been fully loaded51                first_fully_loaded = True52            #Else if just the 95 percentile is above the threshold,53            elif response_time_95perc > 3000:54                print(f"reducing load on server, 95th percentile threshold breached", flush=True)55                #set threshold_ratio to the ratio of response time to the threshold56                threshold_ratio = response_time_95perc/300057                #set to True to indicate VM has been fully loaded58                first_fully_loaded = True59            #Else if neither the median of 95 percentile are above the thresholds60            else :61                #set threshold_ratio to the ratio of response time to the threshold62                threshold_ratio = response_time_median/100063#funtion to send regular reports of the metrics to Graphite via a socket connection64def send_report(environment):65    #initialise global variables inside function66    global user_count67    global run_time68    global records_start_time69    #create a socket connection and connect using the IP address of the Results Server70    sock = socket.socket()71    sock.connect( ("34.71.225.20", 2003) )72    #Run while the state of the locust master's run state is not stopping, stopped or in post stop cleanup73    while not environment.runner.state in [STATE_STOPPING, STATE_STOPPED, STATE_CLEANUP]:74        #add time delay to reduce the rate that the reports are sent to Graphite to avoid unnecessary network traffic75        time.sleep(0.5)76        #if the locust load test is running77        if environment.runner.state == STATE_RUNNING or environment.runner.state == STATE_SPAWNING:78            #checks for Nulls and assigns the median response time79            if environment.runner.stats.total.get_current_response_time_percentile(0.5) is None:80                response_time_median = 081            else:82                response_time_median = environment.runner.stats.total.get_current_response_time_percentile(0.5)83            #checks for Nulls and assigns the median response time84            if environment.runner.stats.total.get_current_response_time_percentile(0.95) is None:85                response_time_95perc = 086            else:87                response_time_95perc = environment.runner.stats.total.get_current_response_time_percentile(0.95)88            #checks if the num_reqs_per_sec dictionary in locust has a value for the current time with a 3 second delay to allow the dict to be written89            if round(time.time()-3) in environment.runner.stats.total.num_reqs_per_sec:90                #assigns the requests_per_second from 3 seconds ago91                requests_per_second = environment.runner.stats.total.num_reqs_per_sec[round(time.time()-3)]92            else :93                print("no requests per second recorded for this timeframe")94                requests_per_second = 095            #checks if the num_fail_per_sec dictionary in locust has a value for the current time with a 3 second delay to allow the dict to be written96            if round(time.time()-3) in environment.runner.stats.total.num_fail_per_sec:97                #assigns the failures_per_second from 3 seconds ago98                failures_per_second = environment.runner.stats.total.num_fail_per_sec[round(time.time()-3)]99            else :100                print("no failures per second recorded for this timeframe")101                failures_per_second = 0...

test_runners.py

Source:test_runners.py

...147                    "errors":stats2.serialize_errors(),148                    "user_count": 2,149                }, "fake_client"))150                mocked_time.return_value += 4151                self.assertEqual(400, master.stats.total.get_current_response_time_percentile(0.5))152                self.assertEqual(800, master.stats.total.get_current_response_time_percentile(0.95))153                154                # let 10 second pass, do some more requests, send it to the master and make155                # sure the current response time percentiles only accounts for these new requests156                mocked_time.return_value += 10157                stats.log_request("GET", "/1", 20, 1)158                stats.log_request("GET", "/1", 30, 1)159                stats.log_request("GET", "/1", 3000, 1)160                server.mocked_send(Message("stats", {161                    "stats":stats.serialize_stats(),162                    "stats_total": stats.total.get_stripped_report(),163                    "errors":stats.serialize_errors(),164                    "user_count": 2,165                }, "fake_client"))166                self.assertEqual(30, master.stats.total.get_current_response_time_percentile(0.5))167                self.assertEqual(3000, master.stats.total.get_current_response_time_percentile(0.95))168    169    def test_spawn_zero_locusts(self):170        class MyTaskSet(TaskSet):171            @task172            def my_task(self):173                pass174            175        class MyTestLocust(Locust):176            task_set = MyTaskSet177            min_wait = 100178            max_wait = 100179        180        runner = LocalLocustRunner([MyTestLocust], self.options)181        ...

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