[Why] if stddev < 1% | == 0 We display nothing for stddev column like bellow, it may confuse user.

0 1 metric -------------------- ------------------------------ ------------------------------ %stddev change %stddev \ | \ 276589.17 -5.2% 262249.03 redis.get_avg_throughput_rps 61.47 +5.5% 64.83 redis.get_avg_time_sec 58.33 ± 53% -100.0% 0.00 redis.get_latency_0ms%

[How] 0 1 metric -------------------- ------------------------------ ------------------------------ %stddev change %stddev \ | \ 276589.17 < 1% -5.2% 262249.03 < 1% redis.get_avg_throughput_rps 61.47 < 1% +5.5% 64.83 < 1% redis.get_avg_time_sec 58.33 ± 53% -100.0% 0.00 redis.get_latency_0ms%

Signed-off-by: Lu Weitao luweitaobe@163.com --- lib/compare_matrixes.rb | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/compare_matrixes.rb b/lib/compare_matrixes.rb index 7760c93..6c88384 100644 --- a/lib/compare_matrixes.rb +++ b/lib/compare_matrixes.rb @@ -72,7 +72,7 @@ def get_values(value_list, success) if length > 1 && average != 0 stddev_percent = ( standard_deviation(value_list, average, length) * 100 / average - ).to_i + ) end { average: average, stddev_percent: stddev_percent, min: sorted[0], max: sorted[-1], sorted: sorted } @@ -204,7 +204,7 @@ def matrixes_empty?(matrixes_list) return matrixes_list.any?(&:empty?) end

-def compare_matrixes(matrixes_list, suite_list, latest_jobs = nil, matrixes_titles = nil, group_key = nil, options: {}) +def compare_matrixes(matrixes_list, suite_list, latest_jobs=nil, matrixes_titles = nil, group_key = nil, options: {}) # compare matrix in matrixes_list and print info # @matrixes_list: list consisting of matrix # @matrixes_titles: number or dimension of matrix @@ -615,6 +615,8 @@ def format_stddev_percent(stddev_percent, average_width) percent_width = SUB_LONG_COLUMN_WIDTH - average_width if stddev_percent if stddev_percent != 0 + return " < 1% " if stddev_percent < 1 + percent_str = get_suitable_number_str( stddev_percent.abs, percent_width - 4,