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KT-45777: Track build time in nanoseconds instead of milliseconds

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to ensure precision (otherwise, rounding errors to milliseconds may
add up and cause unexplainable gaps in the running time).

We can still use milliseconds in the final report after all the precise
sub-build-times have been aggregated.
This commit is contained in:
Hung Nguyen
2022-01-24 09:57:56 +00:00
committed by nataliya.valtman
parent 52a21a4e1a
commit 37c6b1c2dc
14 changed files with 60 additions and 74 deletions
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compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalCompilerRunner.kt
+3 -3
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@@ -513,9 +513,9 @@ abstract class IncrementalCompilerRunner<
protected fun reportPerformanceData(defaultPerformanceManager: CommonCompilerPerformanceManager) {
defaultPerformanceManager.getMeasurementResults().forEach {
when (it) {
is CompilerInitializationMeasurement -> reporter.addTimeMetric(BuildTime.COMPILER_INITIALIZATION, it.milliseconds)
is CodeAnalysisMeasurement -> reporter.addTimeMetric(BuildTime.CODE_ANALYSIS, it.milliseconds)
is CodeGenerationMeasurement -> reporter.addTimeMetric(BuildTime.CODE_GENERATION, it.milliseconds)
is CompilerInitializationMeasurement -> reporter.addTimeMetricMs(BuildTime.COMPILER_INITIALIZATION, it.milliseconds)
is CodeAnalysisMeasurement -> reporter.addTimeMetricMs(BuildTime.CODE_ANALYSIS, it.milliseconds)
is CodeGenerationMeasurement -> reporter.addTimeMetricMs(BuildTime.CODE_GENERATION, it.milliseconds)
}
}
}