Ftoas converts float64 numbers to a slice of string.

Itoas converts int numbers to a slice of string.

LogEVar prints all the environment variables.

LogLabels prints the labels of the result table.

LogResult prints the item of the result table.

LogTitle prints an empty line and the title of the benchmark.

NewDockerHelper creates and returns a new DockerHelper.

TestCommand is the command run in the container.

TestImage is the image used in the test.

DockerHelper provides the helper functions to simplify docker benchmark.

ErrorStats analyzes the errors occurred during the benchmark.