JetBrains / telegraf 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 1,409 units with 25,904 lines of code in units (70.7% of code).

2 very complex units (421 lines of code)
18 complex units (1,980 lines of code)
73 medium complex units (4,119 lines of code)
185 simple units (5,929 lines of code)
1,131 very simple units (13,455 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 importCsvResult() in plugins/inputs/haproxy/haproxy.go	204	77	3
func NewStatLine() in plugins/inputs/mongodb/mongostat.go	217	61	5
func buildFilter() in internal/config/config.go	123	48	1
func fieldConvert() in plugins/inputs/snmp/snmp.go	107	41	2
func scanNumber() in metric/parse.go	80	40	2
func() in internal/config/config.go	115	40	1
def package() in scripts/build.py	122	39	7
func() in plugins/inputs/statsd/statsd.go	128	37	1
func reloadLoop() in cmd/telegraf/telegraf.go	153	36	2
func() in plugins/inputs/logparser/grok/grok.go	114	34	1
func() in plugins/inputs/mysql/mysql.go	108	34	1
def main() in scripts/build.py	106	34	1
func() in plugins/inputs/snmp_legacy/snmp_legacy.go	112	32	1
func() in plugins/inputs/mysql/mysql.go	158	30	1
func scanFields() in metric/parse.go	66	30	2
func() in plugins/inputs/ntpq/ntpq.go	104	29	1
func buildAggregator() in internal/config/config.go	89	28	2
def build() in scripts/build.py	85	28	9
func() in plugins/inputs/snmp_legacy/snmp_legacy.go	126	27	1
func() in plugins/inputs/snmp/snmp.go	84	26	1
func scanBoolean() in metric/parse.go	40	24	2
func() in plugins/inputs/snmp/snmp.go	90	23	1
func buildParser() in internal/config/config.go	58	23	2
func NewEvent() in plugins/inputs/webhooks/github/github_webhooks.go	48	22	2
func gatherInfoOutput() in plugins/inputs/redis/redis.go	79	22	3
func() in plugins/inputs/phpfpm/child.go	74	20	1
func gatherBlockIOMetrics() in plugins/inputs/docker/docker.go	95	20	7
func() in plugins/inputs/disque/disque.go	75	19	1
func() in plugins/inputs/http_listener/http_listener.go	84	19	1
func appendField() in metric/metric.go	67	19	3
func() in internal/models/filter.go	51	19	1
func() in plugins/inputs/sysstat/sysstat.go	77	18	1
func() in plugins/inputs/postgresql_extensible/postgresql_extensible.go	70	18	1
func buildInput() in internal/config/config.go	54	18	2
func() in agent/agent.go	67	18	1
func() in plugins/inputs/lustre2/lustre2.go	65	17	1
func Parse() in plugins/inputs/prometheus/parser.go	58	17	2
func() in plugins/parsers/graphite/config.go	50	16	1
func() in plugins/parsers/graphite/parser.go	46	16	1
func() in plugins/inputs/influxdb/influxdb.go	96	16	1
func() in plugins/inputs/raindrops/raindrops.go	91	16	1
func snmpTranslateCall() in plugins/inputs/snmp/snmp.go	63	16	1
func() in plugins/inputs/postgresql/postgresql.go	60	16	1
func() in plugins/inputs/logparser/grok/grok.go	48	16	1
func() in plugins/inputs/statsd/statsd.go	76	16	1
func() in plugins/outputs/librato/librato.go	71	16	1
func() in plugins/parsers/graphite/parser.go	51	15	1
func() in plugins/inputs/snmp_legacy/snmp_legacy.go	61	15	1
func() in plugins/inputs/jolokia/jolokia.go	60	15	1
func() in plugins/inputs/postgresql_extensible/postgresql_extensible.go	60	15	1