Linux / Drivers / Powercap
Conditional Complexity

The distribution of complexity of units (measured with McCabe index).

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 98 units with 1,702 lines of code in units (66.8% of code).
    • 0 very complex units (0 lines of code)
    • 0 complex units (0 lines of code)
    • 3 medium complex units (132 lines of code)
    • 21 simple units (695 lines of code)
    • 74 very simple units (875 lines of code)
0% | 0% | 7% | 40% | 51%
Legend:
51+
26-50
11-25
6-10
1-5
Alternative Visuals
Conditional Complexity per Extension
51+
26-50
11-25
6-10
1-5
c0% | 0% | 7% | 40% | 51%
Conditional Complexity per Logical Component
primary logical decomposition
51+
26-50
11-25
6-10
1-5
ROOT0% | 0% | 7% | 40% | 51%
Most Complex Units
Top 50 most complex units
Unit# linesMcCabe index# params
40 19 3
42 13 3
50 12 1
55 10 1
34 9 4
39 9 1
33 9 1
57 9 1
20 8 3
21 8 4
40 8 1
40 7 3
28 7 4
37 7 3
24 7 3
27 7 1
19 7 3
42 7 1
37 6 3
34 6 3
31 6 3
25 6 2
27 6 1
25 6 1
14 5 1
17 5 1
20 5 1
12 4 2
27 4 3
20 4 2
14 4 1
26 4 1
15 4 1
15 4 1
9 3 1
12 3 2
17 3 2
6 3 1
8 3 3
13 3 3
18 3 2
11 3 2
19 3 1
21 3 2
18 3 1
13 3 1
12 3 1
9 3 3
15 3 1
15 2 2