elastic / apm-queue - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 117 units with 2,546 lines of code in units (79.0% of code).

0 very complex units (0 lines of code)
1 complex units (106 lines of code)
11 medium complex units (976 lines of code)
13 simple units (487 lines of code)
92 very simple units (977 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
func() in kafka/common.go	106	37	1
func() in kafka/topiccreator.go	161	25	1
func() in kafka/manager.go	130	24	1
func newKgoHooks() in kafka/metrics.go	189	22	4
func main() in cmd/queuebench/main.go	117	17	0
func() in kafka/consumer.go	52	16	1
func display() in cmd/queuebench/display.go	69	16	1
func NewConsumer() in kafka/consumer.go	74	14	1
func() in kafka/common.go	40	12	1
func() in kafka/producer.go	36	12	1
func ProvisionKafka() in systemtest/infra_kafka.go	62	12	1
func() in kafka/common.go	46	11	1
func NewProducer() in kafka/producer.go	35	10	1
func() in kafka/producer.go	54	10	1
func() in kafka/consumer.go	44	9	1
func() in kafka/manager.go	61	9	1
func() in kafka/consumer.go	36	8	1
func newConfigFileHook() in kafka/configfile.go	46	8	2
func() in kafka/metrics.go	31	7	1
func newCertReloadingDialer() in kafka/common.go	37	6	5
func() in kafka/consumer.go	34	6	1
func() in kafka/topiccreator.go	29	6	1
func compressionFromCodec() in kafka/metrics.go	16	6	1
func GatherInt64Metric() in metrictest/metric.go	23	6	1
func() in cmd/queuebench/bench.go	41	6	1
func() in kafka/consumer.go	21	5	1
func() in kafka/configfile.go	28	5	1
func NewManager() in kafka/manager.go	26	5	1
func() in kafka/consumer.go	25	4	1
func() in kafka/consumer.go	20	4	1
func() in kafka/consumer.go	19	4	1
func() in kafka/configfile.go	12	4	1
func loadConfigFile() in kafka/configfile.go	14	4	1
func() in kafka/metrics.go	20	4	1
func() in kafka/logger.go	16	4	1
func() in kafka/manager.go	13	4	1
func createTopics() in cmd/queuebench/bench.go	13	4	4
func produce() in cmd/queuebench/main.go	17	4	5
func getSumInt64Metric() in cmd/queuebench/metric.go	12	4	3
func() in cmd/queuebench/config.go	24	4	1
func newAWSMSKIAMSASL() in kafka/common.go	17	3	0
func topicFieldFunc() in kafka/common.go	11	3	1
func() in kafka/metrics.go	27	3	1
func() in kafka/metrics.go	31	3	1
func() in kafka/metrics.go	28	3	1
func() in kafka/metrics.go	37	3	1
func() in kafka/metrics.go	36	3	1
func attributesFromRecord() in kafka/metrics.go	12	3	2
func logging() in cmd/queuebench/main.go	13	3	1
func filterMetrics() in cmd/queuebench/display.go	8	3	2