Function computeRunMetricsDiff

pkg/cli/audit_diff.go:507–585

computeRunMetricsDiff computes the diff of run-level metrics between two runs. Returns nil if no meaningful metrics data is available.

(summary1, summary2 *RunSummary)

// computeRunMetricsDiff computes the diff of run-level metrics between two runs.
// Returns nil if no meaningful metrics data is available.
func computeRunMetricsDiff(summary1, summary2 *RunSummary) *RunMetricsDiff {
	var run1Tokens, run2Tokens int
	var run1Duration, run2Duration time.Duration
	var run1Turns, run2Turns int
	var tu1, tu2 *TokenUsageSummary
	var rl1, rl2 *GitHubRateLimitUsage
	var m1, m2 *LogMetrics

	if summary1 != nil {
		run1Tokens = summary1.Run.TokenUsage
		run1Duration = summary1.Run.Duration
		run1Turns = summary1.Run.Turns
		tu1 = summary1.TokenUsage
		rl1 = summary1.GitHubRateLimitUsage
		m1 = &summary1.Metrics
	}
	if summary2 != nil {
		run2Tokens = summary2.Run.TokenUsage
		run2Duration = summary2.Run.Duration
		run2Turns = summary2.Run.Turns
		tu2 = summary2.TokenUsage
		rl2 = summary2.GitHubRateLimitUsage
		m2 = &summary2.Metrics
	}

	// Skip if there is no meaningful data
	hasTokenDetails := tu1 != nil || tu2 != nil
	hasRateLimitDetails := rl1 != nil || rl2 != nil
	if run1Tokens == 0 && run2Tokens == 0 && run1Duration == 0 && run2Duration == 0 && run1Turns == 0 && run2Turns == 0 && !hasTokenDetails && !hasRateLimitDetails {
		return nil
	}

	diff := &RunMetricsDiff{
		Run1TokenUsage: run1Tokens,
		Run2TokenUsage: run2Tokens,
		Run1Turns:      run1Turns,
		Run2Turns:      run2Turns,
		TurnsChange:    run2Turns - run1Turns,
	}

	if run1Tokens > 0 || run2Tokens > 0 {
		diff.TokenUsageChange = formatVolumeChange(run1Tokens, run2Tokens)
	}

	if run1Duration > 0 {
		diff.Run1Duration = run1Duration.Round(time.Second).String()
	}
	if run2Duration > 0 {
		diff.Run2Duration = run2Duration.Round(time.Second).String()
	}
	if run1Duration > 0 && run2Duration > 0 {
		delta := run2Duration - run1Duration
		if delta >= 0 {
			diff.DurationChange = "+" + delta.Round(time.Second).String()
		} else {
			diff.DurationChange = delta.Round(time.Second).String()
		}
	}