include symlink metrics in bp2build_metrics.pb (4f5d2c1e) · Commits · e / os / android_build_soong

bp2build/bp2build.go

+2 −2

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@ import (
		// Codegen is the backend of bp2build. The code generator is responsible for
		// writing .bzl files that are equivalent to Android.bp files that are capable
		// of being built with Bazel.
		func Codegen(ctx *CodegenContext) CodegenMetrics {
		func Codegen(ctx CodegenContext) CodegenMetrics {
		// This directory stores BUILD files that could be eventually checked-in.
		bp2buildDir := android.PathForOutput(ctx, "bp2build")
		if err := android.RemoveAllOutputDir(bp2buildDir); err != nil {
		@@ -48,7 +48,7 @@ func Codegen(ctx *CodegenContext) CodegenMetrics {
		soongInjectionDir := android.PathForOutput(ctx, bazel.SoongInjectionDirName)
		writeFiles(ctx, soongInjectionDir, CreateSoongInjectionFiles(ctx.Config(), res.metrics))

		return res.metrics
		return &res.metrics
		}

		// Get the output directory and create it if it doesn't exist.

bp2build/build_conversion.go

+1 −7

Original line number	Diff line number	Diff line
		@@ -28,7 +28,6 @@ import (
		"android/soong/android"
		"android/soong/bazel"
		"android/soong/starlark_fmt"

		"github.com/google/blueprint"
		"github.com/google/blueprint/proptools"
		)
		@@ -245,12 +244,7 @@ func GenerateBazelTargets(ctx *CodegenContext, generateFilegroups bool) (convers
		buildFileToTargets := make(map[string]BazelTargets)

		// Simple metrics tracking for bp2build
		metrics := CodegenMetrics{
		ruleClassCount: make(map[string]uint64),
		convertedModulePathMap: make(map[string]string),
		convertedModuleTypeCount: make(map[string]uint64),
		totalModuleTypeCount: make(map[string]uint64),
		}
		metrics := CreateCodegenMetrics()

		dirs := make(map[string]bool)

bp2build/conversion.go

+1 −5

Original line number	Diff line number	Diff line
		@@ -32,7 +32,7 @@ func CreateSoongInjectionFiles(cfg android.Config, metrics CodegenMetrics) []Baz
		files = append(files, newFile("apex_toolchain", GeneratedBuildFileName, "")) // Creates a //apex_toolchain package.
		files = append(files, newFile("apex_toolchain", "constants.bzl", apex.BazelApexToolchainVars()))

		files = append(files, newFile("metrics", "converted_modules.txt", strings.Join(metrics.convertedModules, "\n")))
		files = append(files, newFile("metrics", "converted_modules.txt", strings.Join(metrics.Serialize().ConvertedModules, "\n")))

		convertedModulePathMap, err := json.MarshalIndent(metrics.convertedModulePathMap, "", "\t")
		if err != nil {
		@@ -55,10 +55,6 @@ func CreateSoongInjectionFiles(cfg android.Config, metrics CodegenMetrics) []Baz
		return files
		}

		func convertedModules(convertedModules []string) string {
		return strings.Join(convertedModules, "\n")
		}

		func CreateBazelFiles(
		cfg android.Config,
		ruleShims map[string]RuleShim,

bp2build/conversion_test.go

+1 −1

Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ func TestCreateBazelFiles_QueryView_AddsTopLevelFiles(t *testing.T) {

		func TestCreateBazelFiles_Bp2Build_CreatesDefaultFiles(t *testing.T) {
		testConfig := android.TestConfig("", make(map[string]string), "", make(map[string][]byte))
		files := CreateSoongInjectionFiles(testConfig, CodegenMetrics{})
		files := CreateSoongInjectionFiles(testConfig, CreateCodegenMetrics())

		expectedFilePaths := []bazelFilepath{
		{

bp2build/metrics.go

+72 −51

Original line number	Diff line number	Diff line
		@@ -9,25 +9,16 @@ import (
		"android/soong/android"
		"android/soong/shared"
		"android/soong/ui/metrics/bp2build_metrics_proto"
		"google.golang.org/protobuf/proto"

		"github.com/google/blueprint"
		)

		// Simple metrics struct to collect information about a Blueprint to BUILD
		// CodegenMetrics represents information about the Blueprint-to-BUILD
		// conversion process.
		// Use CreateCodegenMetrics() to get a properly initialized instance
		type CodegenMetrics struct {
		// Total number of Soong modules converted to generated targets
		generatedModuleCount uint64

		// Total number of Soong modules converted to handcrafted targets
		handCraftedModuleCount uint64

		// Total number of unconverted Soong modules
		unconvertedModuleCount uint64

		// Counts of generated Bazel targets per Bazel rule class
		ruleClassCount map[string]uint64

		serialized *bp2build_metrics_proto.Bp2BuildMetrics
		// List of modules with unconverted deps
		// NOTE: NOT in the .proto
		moduleWithUnconvertedDepsMsgs []string
		@@ -36,40 +27,32 @@ type CodegenMetrics struct {
		// NOTE: NOT in the .proto
		moduleWithMissingDepsMsgs []string

		// List of converted modules
		convertedModules []string

		// Map of converted modules and paths to call
		// NOTE: NOT in the .proto
		convertedModulePathMap map[string]string
		}

		// Counts of converted modules by module type.
		convertedModuleTypeCount map[string]uint64

		// Counts of total modules by module type.
		totalModuleTypeCount map[string]uint64

		Events []*bp2build_metrics_proto.Event
		func CreateCodegenMetrics() CodegenMetrics {
		return CodegenMetrics{
		serialized: &bp2build_metrics_proto.Bp2BuildMetrics{
		RuleClassCount: make(map[string]uint64),
		ConvertedModuleTypeCount: make(map[string]uint64),
		TotalModuleTypeCount: make(map[string]uint64),
		},
		convertedModulePathMap: make(map[string]string),
		}
		}

		// Serialize returns the protoized version of CodegenMetrics: bp2build_metrics_proto.Bp2BuildMetrics
		func (metrics *CodegenMetrics) Serialize() bp2build_metrics_proto.Bp2BuildMetrics {
		return bp2build_metrics_proto.Bp2BuildMetrics{
		GeneratedModuleCount: metrics.generatedModuleCount,
		HandCraftedModuleCount: metrics.handCraftedModuleCount,
		UnconvertedModuleCount: metrics.unconvertedModuleCount,
		RuleClassCount: metrics.ruleClassCount,
		ConvertedModules: metrics.convertedModules,
		ConvertedModuleTypeCount: metrics.convertedModuleTypeCount,
		TotalModuleTypeCount: metrics.totalModuleTypeCount,
		Events: metrics.Events,
		}
		func (metrics CodegenMetrics) Serialize() bp2build_metrics_proto.Bp2BuildMetrics {
		return metrics.serialized
		}

		// Print the codegen metrics to stdout.
		func (metrics *CodegenMetrics) Print() {
		generatedTargetCount := uint64(0)
		for _, ruleClass := range android.SortedStringKeys(metrics.ruleClassCount) {
		count := metrics.ruleClassCount[ruleClass]
		for _, ruleClass := range android.SortedStringKeys(metrics.serialized.RuleClassCount) {
		count := metrics.serialized.RuleClassCount[ruleClass]
		fmt.Printf("[bp2build] %s: %d targets\n", ruleClass, count)
		generatedTargetCount += count
		}
		@@ -80,9 +63,9 @@ func (metrics *CodegenMetrics) Print() {
		%d converted modules have missing deps:
		%s
		`,
		metrics.generatedModuleCount,
		metrics.serialized.GeneratedModuleCount,
		generatedTargetCount,
		metrics.handCraftedModuleCount,
		metrics.serialized.HandCraftedModuleCount,
		metrics.TotalModuleCount(),
		len(metrics.moduleWithUnconvertedDepsMsgs),
		strings.Join(metrics.moduleWithUnconvertedDepsMsgs, "\n\t"),
		@@ -119,29 +102,67 @@ func (metrics *CodegenMetrics) Write(dir string) {
		fail(err, "Error outputting %s", metricsFile)
		}
		if _, err := os.Stat(metricsFile); err != nil {
		fail(err, "MISSING BP2BUILD METRICS OUTPUT: Failed to `stat` %s", metricsFile)
		if os.IsNotExist(err) {
		fail(err, "MISSING BP2BUILD METRICS OUTPUT: %s", metricsFile)
		} else {
		fail(err, "FAILED TO `stat` BP2BUILD METRICS OUTPUT: %s", metricsFile)
		}
		}
		}

		// ReadCodegenMetrics loads CodegenMetrics from `dir`
		// returns a nil pointer if the file doesn't exist
		func ReadCodegenMetrics(dir string) *CodegenMetrics {
		metricsFile := filepath.Join(dir, bp2buildMetricsFilename)
		if _, err := os.Stat(metricsFile); err != nil {
		if os.IsNotExist(err) {
		return nil
		} else {
		fail(err, "FAILED TO `stat` BP2BUILD METRICS OUTPUT: %s", metricsFile)
		panic("unreachable after fail")
		}
		}
		if buf, err := os.ReadFile(metricsFile); err != nil {
		fail(err, "FAILED TO READ BP2BUILD METRICS OUTPUT: %s", metricsFile)
		panic("unreachable after fail")
		} else {
		bp2BuildMetrics := bp2build_metrics_proto.Bp2BuildMetrics{
		RuleClassCount: make(map[string]uint64),
		ConvertedModuleTypeCount: make(map[string]uint64),
		TotalModuleTypeCount: make(map[string]uint64),
		}
		if err := proto.Unmarshal(buf, &bp2BuildMetrics); err != nil {
		fail(err, "FAILED TO PARSE BP2BUILD METRICS OUTPUT: %s", metricsFile)
		}
		return &CodegenMetrics{
		serialized: &bp2BuildMetrics,
		convertedModulePathMap: make(map[string]string),
		}
		}
		}

		func (metrics *CodegenMetrics) IncrementRuleClassCount(ruleClass string) {
		metrics.ruleClassCount[ruleClass] += 1
		metrics.serialized.RuleClassCount[ruleClass] += 1
		}

		func (metrics CodegenMetrics) AddEvent(event bp2build_metrics_proto.Event) {
		metrics.serialized.Events = append(metrics.serialized.Events, event)
		}
		func (metrics *CodegenMetrics) AddUnconvertedModule(moduleType string) {
		metrics.unconvertedModuleCount += 1
		metrics.totalModuleTypeCount[moduleType] += 1
		metrics.serialized.UnconvertedModuleCount += 1
		metrics.serialized.TotalModuleTypeCount[moduleType] += 1
		}

		func (metrics *CodegenMetrics) TotalModuleCount() uint64 {
		return metrics.handCraftedModuleCount +
		metrics.generatedModuleCount +
		metrics.unconvertedModuleCount
		return metrics.serialized.HandCraftedModuleCount +
		metrics.serialized.GeneratedModuleCount +
		metrics.serialized.UnconvertedModuleCount
		}

		// Dump serializes the metrics to the given filename
		func (metrics *CodegenMetrics) dump(filename string) (err error) {
		ser := metrics.Serialize()
		return shared.Save(&ser, filename)
		return shared.Save(ser, filename)
		}

		type ConversionType int
		@@ -154,14 +175,14 @@ const (
		func (metrics *CodegenMetrics) AddConvertedModule(m blueprint.Module, moduleType string, dir string, conversionType ConversionType) {
		// Undo prebuilt_ module name prefix modifications
		moduleName := android.RemoveOptionalPrebuiltPrefix(m.Name())
		metrics.convertedModules = append(metrics.convertedModules, moduleName)
		metrics.serialized.ConvertedModules = append(metrics.serialized.ConvertedModules, moduleName)
		metrics.convertedModulePathMap[moduleName] = "//" + dir
		metrics.convertedModuleTypeCount[moduleType] += 1
		metrics.totalModuleTypeCount[moduleType] += 1
		metrics.serialized.ConvertedModuleTypeCount[moduleType] += 1
		metrics.serialized.TotalModuleTypeCount[moduleType] += 1

		if conversionType == Handcrafted {
		metrics.handCraftedModuleCount += 1
		metrics.serialized.HandCraftedModuleCount += 1
		} else if conversionType == Generated {
		metrics.generatedModuleCount += 1
		metrics.serialized.GeneratedModuleCount += 1
		}
		}