Merge "bp2build: Improve handling of generated_sources"
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 974f8f5..06712a1 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -694,7 +694,7 @@
 	cqueryOutput, cqueryErr, err = context.issueBazelCommand(
 		context.paths,
 		bazel.CqueryBuildRootRunName,
-		bazelCommand{"cquery", fmt.Sprintf("deps(%s)", buildrootLabel)},
+		bazelCommand{"cquery", fmt.Sprintf("deps(%s, 2)", buildrootLabel)},
 		"--output=starlark",
 		"--starlark:file="+absolutePath(cqueryFileRelpath))
 	err = ioutil.WriteFile(filepath.Join(soongInjectionPath, "cquery.out"),
diff --git a/android/bazel_handler_test.go b/android/bazel_handler_test.go
index cdf1a63..fe66a90 100644
--- a/android/bazel_handler_test.go
+++ b/android/bazel_handler_test.go
@@ -11,7 +11,7 @@
 	label := "//foo:bar"
 	arch := Arm64
 	bazelContext, _ := testBazelContext(t, map[bazelCommand]string{
-		bazelCommand{command: "cquery", expression: "deps(@soong_injection//mixed_builds:buildroot)"}: `//foo:bar|arm64>>out/foo/bar.txt`,
+		bazelCommand{command: "cquery", expression: "deps(@soong_injection//mixed_builds:buildroot, 2)"}: `//foo:bar|arm64>>out/foo/bar.txt`,
 	})
 	g, ok := bazelContext.GetOutputFiles(label, arch)
 	if ok {
diff --git a/androidmk/androidmk/android.go b/androidmk/androidmk/android.go
index 80801b2..963e905 100644
--- a/androidmk/androidmk/android.go
+++ b/androidmk/androidmk/android.go
@@ -15,11 +15,12 @@
 package androidmk
 
 import (
-	mkparser "android/soong/androidmk/parser"
 	"fmt"
 	"sort"
 	"strings"
 
+	mkparser "android/soong/androidmk/parser"
+
 	bpparser "github.com/google/blueprint/parser"
 )
 
@@ -128,6 +129,8 @@
 			"LOCAL_STATIC_LIBRARIES":              "static_libs",
 			"LOCAL_WHOLE_STATIC_LIBRARIES":        "whole_static_libs",
 			"LOCAL_SYSTEM_SHARED_LIBRARIES":       "system_shared_libs",
+			"LOCAL_USES_LIBRARIES":                "uses_libs",
+			"LOCAL_OPTIONAL_USES_LIBRARIES":       "optional_uses_libs",
 			"LOCAL_ASFLAGS":                       "asflags",
 			"LOCAL_CLANG_ASFLAGS":                 "clang_asflags",
 			"LOCAL_COMPATIBILITY_SUPPORT_FILES":   "data",
diff --git a/androidmk/androidmk/androidmk_test.go b/androidmk/androidmk/androidmk_test.go
index 02ab89d..9fd4ff9 100644
--- a/androidmk/androidmk/androidmk_test.go
+++ b/androidmk/androidmk/androidmk_test.go
@@ -1479,6 +1479,44 @@
 }
 `,
 	},
+	{
+		desc: "LOCAL_USES_LIBRARIES",
+		in: `
+include $(CLEAR_VARS)
+LOCAL_MODULE := foo
+LOCAL_USES_LIBRARIES := foo.test bar.test baz.test
+include $(BUILD_PACKAGE)
+`,
+		expected: `
+android_app {
+    name: "foo",
+    uses_libs: [
+        "foo.test",
+        "bar.test",
+        "baz.test",
+    ],
+}
+`,
+	},
+	{
+		desc: "LOCAL_OPTIONAL_USES_LIBRARIES",
+		in: `
+include $(CLEAR_VARS)
+LOCAL_MODULE := foo
+LOCAL_OPTIONAL_USES_LIBRARIES := foo.test bar.test baz.test
+include $(BUILD_PACKAGE)
+`,
+		expected: `
+android_app {
+    name: "foo",
+    optional_uses_libs: [
+        "foo.test",
+        "bar.test",
+        "baz.test",
+    ],
+}
+`,
+	},
 }
 
 func TestEndToEnd(t *testing.T) {
diff --git a/bp2build/build_conversion.go b/bp2build/build_conversion.go
index c05a62b..aa1cf70 100644
--- a/bp2build/build_conversion.go
+++ b/bp2build/build_conversion.go
@@ -239,9 +239,7 @@
 func propsToAttributes(props map[string]string) string {
 	var attributes string
 	for _, propName := range android.SortedStringKeys(props) {
-		if shouldGenerateAttribute(propName) {
-			attributes += fmt.Sprintf("    %s = %s,\n", propName, props[propName])
-		}
+		attributes += fmt.Sprintf("    %s = %s,\n", propName, props[propName])
 	}
 	return attributes
 }
@@ -422,7 +420,8 @@
 	attrs := m.BazelAttributes()
 	props := extractModuleProperties(attrs, true)
 
-	delete(props.Attrs, "bp2build_available")
+	// name is handled in a special manner
+	delete(props.Attrs, "name")
 
 	// Return the Bazel target with rule class and attributes, ready to be
 	// code-generated.
@@ -457,6 +456,10 @@
 			depLabels[qualifiedTargetLabel(ctx, depModule)] = true
 		})
 	}
+
+	for p, _ := range ignoredPropNames {
+		delete(props.Attrs, p)
+	}
 	attributes := propsToAttributes(props.Attrs)
 
 	depLabelList := "[\n"
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 3ca2dd9..76f83e7 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -873,7 +873,7 @@
 	})
 }
 
-func TestCcLibraryPackRelocations(t *testing.T) {
+func TestCcLibraryFeatures(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
 		description:                        "cc_library pack_relocations test",
 		moduleTypeUnderTest:                "cc_library",
@@ -884,6 +884,7 @@
     name: "a",
     srcs: ["a.cpp"],
     pack_relocations: false,
+    allow_undefined_symbols: true,
     include_build_directory: false,
 }
 
@@ -893,6 +894,7 @@
     arch: {
         x86_64: {
             pack_relocations: false,
+            allow_undefined_symbols: true,
         },
     },
     include_build_directory: false,
@@ -904,25 +906,35 @@
     target: {
         darwin: {
             pack_relocations: false,
+            allow_undefined_symbols: true,
         },
     },
     include_build_directory: false,
 }`,
 		expectedBazelTargets: []string{`cc_library(
     name = "a",
-    linkopts = ["-Wl,--pack-dyn-relocs=none"],
+    features = [
+        "disable_pack_relocations",
+        "-no_undefined_symbols",
+    ],
     srcs = ["a.cpp"],
 )`, `cc_library(
     name = "b",
-    linkopts = select({
-        "//build/bazel/platforms/arch:x86_64": ["-Wl,--pack-dyn-relocs=none"],
+    features = select({
+        "//build/bazel/platforms/arch:x86_64": [
+            "disable_pack_relocations",
+            "-no_undefined_symbols",
+        ],
         "//conditions:default": [],
     }),
     srcs = ["b.cpp"],
 )`, `cc_library(
     name = "c",
-    linkopts = select({
-        "//build/bazel/platforms/os:darwin": ["-Wl,--pack-dyn-relocs=none"],
+    features = select({
+        "//build/bazel/platforms/os:darwin": [
+            "disable_pack_relocations",
+            "-no_undefined_symbols",
+        ],
         "//conditions:default": [],
     }),
     srcs = ["c.cpp"],
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 7b0999b..2cf7cdc 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -396,15 +396,7 @@
 	stripKeepSymbolsList          bazel.StringListAttribute
 	stripAll                      bazel.BoolAttribute
 	stripNone                     bazel.BoolAttribute
-}
-
-// FIXME(b/187655838): Use the existing linkerFlags() function instead of duplicating logic here
-func getBp2BuildLinkerFlags(linkerProperties *BaseLinkerProperties) []string {
-	flags := linkerProperties.Ldflags
-	if !BoolDefault(linkerProperties.Pack_relocations, true) {
-		flags = append(flags, "-Wl,--pack-dyn-relocs=none")
-	}
-	return flags
+	features                      bazel.StringListAttribute
 }
 
 // bp2BuildParseLinkerProps parses the linker properties of a module, including
@@ -431,6 +423,8 @@
 	var stripAll bazel.BoolAttribute
 	var stripNone bazel.BoolAttribute
 
+	var features bazel.StringListAttribute
+
 	for axis, configToProps := range module.GetArchVariantProperties(ctx, &StripProperties{}) {
 		for config, props := range configToProps {
 			if stripProperties, ok := props.(*StripProperties); ok {
@@ -449,6 +443,7 @@
 	for axis, configToProps := range module.GetArchVariantProperties(ctx, &BaseLinkerProperties{}) {
 		for config, props := range configToProps {
 			if baseLinkerProps, ok := props.(*BaseLinkerProperties); ok {
+				var axisFeatures []string
 
 				// Excludes to parallel Soong:
 				// https://cs.android.com/android/platform/superproject/+/master:build/soong/cc/linker.go;l=247-249;drc=088b53577dde6e40085ffd737a1ae96ad82fc4b0
@@ -480,7 +475,15 @@
 				headerDeps.SetSelectValue(axis, config, hDeps.export)
 				implementationHeaderDeps.SetSelectValue(axis, config, hDeps.implementation)
 
-				linkopts.SetSelectValue(axis, config, getBp2BuildLinkerFlags(baseLinkerProps))
+				linkopts.SetSelectValue(axis, config, baseLinkerProps.Ldflags)
+				if !BoolDefault(baseLinkerProps.Pack_relocations, packRelocationsDefault) {
+					axisFeatures = append(axisFeatures, "disable_pack_relocations")
+				}
+
+				if Bool(baseLinkerProps.Allow_undefined_symbols) {
+					axisFeatures = append(axisFeatures, "-no_undefined_symbols")
+				}
+
 				if baseLinkerProps.Version_script != nil {
 					versionScript.SetSelectValue(axis, config, android.BazelLabelForModuleSrcSingle(ctx, *baseLinkerProps.Version_script))
 				}
@@ -494,6 +497,10 @@
 						disallowedArchVariantCrt = true
 					}
 				}
+
+				if axisFeatures != nil {
+					features.SetSelectValue(axis, config, axisFeatures)
+				}
 			}
 		}
 	}
@@ -582,6 +589,8 @@
 		stripKeepSymbolsList:          stripKeepSymbolsList,
 		stripAll:                      stripAll,
 		stripNone:                     stripNone,
+
+		features: features,
 	}
 }
 
diff --git a/cc/library.go b/cc/library.go
index 58e0e21..0cffd56 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -259,6 +259,8 @@
 	Static staticOrSharedAttributes
 
 	Strip stripAttributes
+
+	Features bazel.StringListAttribute
 }
 
 type stripAttributes struct {
@@ -340,6 +342,8 @@
 		Shared: sharedAttrs,
 
 		Static: staticAttrs,
+
+		Features: linkerAttrs.features,
 	}
 
 	props := bazel.BazelTargetModuleProperties{
@@ -2407,6 +2411,8 @@
 			Cppflags:   compilerAttrs.cppFlags,
 			Conlyflags: compilerAttrs.conlyFlags,
 			Asflags:    asFlags,
+
+			Features: linkerAttrs.features,
 		}
 	} else {
 		attrs = &bazelCcLibrarySharedAttributes{
@@ -2435,6 +2441,8 @@
 				All:                          linkerAttrs.stripAll,
 				None:                         linkerAttrs.stripNone,
 			},
+
+			Features: linkerAttrs.features,
 		}
 	}
 
@@ -2464,6 +2472,8 @@
 	Cppflags   bazel.StringListAttribute
 	Conlyflags bazel.StringListAttribute
 	Asflags    bazel.StringListAttribute
+
+	Features bazel.StringListAttribute
 }
 
 func CcLibraryStaticBp2Build(ctx android.TopDownMutatorContext) {
@@ -2492,6 +2502,8 @@
 	Cppflags   bazel.StringListAttribute
 	Conlyflags bazel.StringListAttribute
 	Asflags    bazel.StringListAttribute
+
+	Features bazel.StringListAttribute
 }
 
 func CcLibrarySharedBp2Build(ctx android.TopDownMutatorContext) {
diff --git a/cc/linker.go b/cc/linker.go
index 20e377c..aaaca7a 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -27,6 +27,10 @@
 // This file contains the basic functionality for linking against static libraries and shared
 // libraries.  Final linking into libraries or executables is handled in library.go, binary.go, etc.
 
+const (
+	packRelocationsDefault = true
+)
+
 type BaseLinkerProperties struct {
 	// list of modules whose object files should be linked into this module
 	// in their entirety.  For static library modules, all of the .o files from the intermediate
@@ -471,7 +475,7 @@
 
 	if linker.useClangLld(ctx) {
 		flags.Global.LdFlags = append(flags.Global.LdFlags, fmt.Sprintf("${config.%sGlobalLldflags}", hod))
-		if !BoolDefault(linker.Properties.Pack_relocations, true) {
+		if !BoolDefault(linker.Properties.Pack_relocations, packRelocationsDefault) {
 			flags.Global.LdFlags = append(flags.Global.LdFlags, "-Wl,--pack-dyn-relocs=none")
 		} else if ctx.Device() {
 			// SHT_RELR relocations are only supported at API level >= 30.
diff --git a/java/genrule.go b/java/genrule.go
index e0a9c8f..16743b3 100644
--- a/java/genrule.go
+++ b/java/genrule.go
@@ -64,6 +64,7 @@
 	module := genrule.NewGenRule()
 
 	android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommon)
+	android.InitDefaultableModule(module)
 
 	return module
 }
@@ -76,6 +77,7 @@
 	module := genrule.NewGenRule()
 
 	android.InitAndroidArchModule(module, android.HostSupported, android.MultilibCommon)
+	android.InitDefaultableModule(module)
 
 	return module
 }
diff --git a/java/sdk.go b/java/sdk.go
index d1b899e..80f2d6a 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -370,7 +370,7 @@
 			"frameworks-base-api-current.txt",
 			"frameworks-base-api-system-current.txt",
 			"frameworks-base-api-module-lib-current.txt",
-			"services-system-server-current.txt",
+			"frameworks-base-api-system-server-current.txt",
 		}
 		count := 0
 		ctx.VisitAllModules(func(module android.Module) {
diff --git a/rust/rust.go b/rust/rust.go
index b9afc7f..93dbd00 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -130,9 +130,10 @@
 	// Minimum sdk version that the artifact should support when it runs as part of mainline modules(APEX).
 	Min_sdk_version *string
 
-	PreventInstall bool
-	HideFromMake   bool
-	Installable    *bool
+	HideFromMake   bool `blueprint:"mutated"`
+	PreventInstall bool `blueprint:"mutated"`
+
+	Installable *bool
 }
 
 type Module struct {
@@ -177,8 +178,8 @@
 	mod.Properties.HideFromMake = true
 }
 
-func (c *Module) HiddenFromMake() bool {
-	return c.Properties.HideFromMake
+func (mod *Module) HiddenFromMake() bool {
+	return mod.Properties.HideFromMake
 }
 
 func (mod *Module) SanitizePropDefined() bool {
@@ -526,10 +527,6 @@
 	return mod.Properties.PreventInstall
 }
 
-func (mod *Module) HideFromMake() {
-	mod.Properties.HideFromMake = true
-}
-
 func (mod *Module) MarkAsCoverageVariant(coverage bool) {
 	mod.coverage.Properties.IsCoverageVariant = coverage
 }
@@ -898,8 +895,24 @@
 		}
 
 		apexInfo := actx.Provider(android.ApexInfoProvider).(android.ApexInfo)
-		if mod.installable(apexInfo) {
+		if !proptools.BoolDefault(mod.Installable(), mod.EverInstallable()) {
+			// If the module has been specifically configure to not be installed then
+			// hide from make as otherwise it will break when running inside make as the
+			// output path to install will not be specified. Not all uninstallable
+			// modules can be hidden from make as some are needed for resolving make
+			// side dependencies.
+			mod.HideFromMake()
+		} else if !mod.installable(apexInfo) {
+			mod.SkipInstall()
+		}
+
+		// Still call install though, the installs will be stored as PackageSpecs to allow
+		// using the outputs in a genrule.
+		if mod.OutputFile().Valid() {
 			mod.compiler.install(ctx)
+			if ctx.Failed() {
+				return
+			}
 		}
 
 		ctx.Phony("rust", ctx.RustModule().OutputFile().Path())
diff --git a/ui/build/config.go b/ui/build/config.go
index 5cd5c65..7837cc4 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -83,6 +83,8 @@
 
 	// Set by multiproduct_kati
 	emptyNinjaFile bool
+
+	metricsUploader string
 }
 
 const srcDirFileCheck = "build/soong/root.bp"
@@ -237,7 +239,8 @@
 	// Precondition: the current directory is the top of the source tree
 	checkTopDir(ctx)
 
-	if srcDir := absPath(ctx, "."); strings.ContainsRune(srcDir, ' ') {
+	srcDir := absPath(ctx, ".")
+	if strings.ContainsRune(srcDir, ' ') {
 		ctx.Println("You are building in a directory whose absolute path contains a space character:")
 		ctx.Println()
 		ctx.Printf("%q\n", srcDir)
@@ -245,6 +248,8 @@
 		ctx.Fatalln("Directory names containing spaces are not supported")
 	}
 
+	ret.metricsUploader = GetMetricsUploader(srcDir, ret.environ)
+
 	if outDir := ret.OutDir(); strings.ContainsRune(outDir, ' ') {
 		ctx.Println("The absolute path of your output directory ($OUT_DIR) contains a space character:")
 		ctx.Println()
@@ -1246,10 +1251,7 @@
 }
 
 func (c *configImpl) MetricsUploaderApp() string {
-	if p, ok := c.environ.Get("ANDROID_ENABLE_METRICS_UPLOAD"); ok {
-		return p
-	}
-	return ""
+	return c.metricsUploader
 }
 
 // LogsDir returns the logs directory where build log and metrics
@@ -1277,3 +1279,14 @@
 func (c *configImpl) EmptyNinjaFile() bool {
 	return c.emptyNinjaFile
 }
+
+func GetMetricsUploader(topDir string, env *Environment) string {
+	if p, ok := env.Get("METRICS_UPLOADER"); ok {
+		metricsUploader := filepath.Join(topDir, p)
+		if _, err := os.Stat(metricsUploader); err == nil {
+			return metricsUploader
+		}
+	}
+
+	return ""
+}
diff --git a/ui/build/config_test.go b/ui/build/config_test.go
index 03d304e..e293275 100644
--- a/ui/build/config_test.go
+++ b/ui/build/config_test.go
@@ -1122,3 +1122,65 @@
 		})
 	}
 }
+
+func TestGetMetricsUploaderApp(t *testing.T) {
+
+	metricsUploaderDir := "metrics_uploader_dir"
+	metricsUploaderBinary := "metrics_uploader_binary"
+	metricsUploaderPath := filepath.Join(metricsUploaderDir, metricsUploaderBinary)
+	tests := []struct {
+		description string
+		environ     Environment
+		createFiles bool
+		expected    string
+	}{{
+		description: "Uploader binary exist",
+		environ:     Environment{"METRICS_UPLOADER=" + metricsUploaderPath},
+		createFiles: true,
+		expected:    metricsUploaderPath,
+	}, {
+		description: "Uploader binary not exist",
+		environ:     Environment{"METRICS_UPLOADER=" + metricsUploaderPath},
+		createFiles: false,
+		expected:    "",
+	}, {
+		description: "Uploader binary variable not set",
+		createFiles: true,
+		expected:    "",
+	}}
+
+	for _, tt := range tests {
+		t.Run(tt.description, func(t *testing.T) {
+			defer logger.Recover(func(err error) {
+				t.Fatalf("got unexpected error: %v", err)
+			})
+
+			// Create the root source tree.
+			topDir, err := ioutil.TempDir("", "")
+			if err != nil {
+				t.Fatalf("failed to create temp dir: %v", err)
+			}
+			defer os.RemoveAll(topDir)
+
+			expected := tt.expected
+			if len(expected) > 0 {
+				expected = filepath.Join(topDir, expected)
+			}
+
+			if tt.createFiles {
+				if err := os.MkdirAll(filepath.Join(topDir, metricsUploaderDir), 0755); err != nil {
+					t.Errorf("failed to create %s directory: %v", metricsUploaderDir, err)
+				}
+				if err := ioutil.WriteFile(filepath.Join(topDir, metricsUploaderPath), []byte{}, 0644); err != nil {
+					t.Errorf("failed to create file %s: %v", expected, err)
+				}
+			}
+
+			actual := GetMetricsUploader(topDir, &tt.environ)
+
+			if actual != expected {
+				t.Errorf("expecting: %s, actual: %s", expected, actual)
+			}
+		})
+	}
+}
diff --git a/ui/build/context.go b/ui/build/context.go
index f5e987e..4a4352c 100644
--- a/ui/build/context.go
+++ b/ui/build/context.go
@@ -71,9 +71,9 @@
 		realTime := end - begin
 		c.Metrics.SetTimeMetrics(
 			soong_metrics_proto.PerfInfo{
-				Desc:      &desc,
-				Name:      &name,
-				StartTime: &begin,
-				RealTime:  &realTime})
+				Description: &desc,
+				Name:        &name,
+				StartTime:   &begin,
+				RealTime:    &realTime})
 	}
 }
diff --git a/ui/build/upload.go b/ui/build/upload.go
index 55ada33..687f519 100644
--- a/ui/build/upload.go
+++ b/ui/build/upload.go
@@ -70,12 +70,11 @@
 	return metricsFiles
 }
 
-// UploadMetrics uploads a set of metrics files to a server for analysis. An
-// uploader full path is specified in ANDROID_ENABLE_METRICS_UPLOAD environment
-// variable in order to upload the set of metrics files. The metrics files are
-// first copied to a temporary directory and the uploader is then executed in
-// the background to allow the user/system to continue working. Soong communicates
-// to the uploader through the upload_proto raw protobuf file.
+// UploadMetrics uploads a set of metrics files to a server for analysis.
+// The metrics files are first copied to a temporary directory
+// and the uploader is then executed in the background to allow the user/system
+// to continue working. Soong communicates to the uploader through the
+// upload_proto raw protobuf file.
 func UploadMetrics(ctx Context, config Config, simpleOutput bool, buildStarted time.Time, paths ...string) {
 	ctx.BeginTrace(metrics.RunSetupTool, "upload_metrics")
 	defer ctx.EndTrace()
diff --git a/ui/build/upload_test.go b/ui/build/upload_test.go
index b740c11..764a1e1 100644
--- a/ui/build/upload_test.go
+++ b/ui/build/upload_test.go
@@ -80,13 +80,10 @@
 		createFiles bool
 		files       []string
 	}{{
-		description: "ANDROID_ENABLE_METRICS_UPLOAD not set",
-	}, {
-		description: "no metrics files to upload",
-		uploader:    "fake",
+		description: "no metrics uploader",
 	}, {
 		description: "non-existent metrics files no upload",
-		uploader:    "fake",
+		uploader:    "echo",
 		files:       []string{"metrics_file_1", "metrics_file_2", "metrics_file_3"},
 	}, {
 		description: "trigger upload",
@@ -137,9 +134,9 @@
 			config := Config{&configImpl{
 				environ: &Environment{
 					"OUT_DIR=" + outDir,
-					"ANDROID_ENABLE_METRICS_UPLOAD=" + tt.uploader,
 				},
-				buildDateTime: strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10),
+				buildDateTime:   strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10),
+				metricsUploader: tt.uploader,
 			}}
 
 			UploadMetrics(ctx, config, false, time.Now(), metricsFiles...)
@@ -192,9 +189,10 @@
 
 			config := Config{&configImpl{
 				environ: &Environment{
-					"ANDROID_ENABLE_METRICS_UPLOAD=fake",
 					"OUT_DIR=/bad",
-				}}}
+				},
+				metricsUploader: "echo",
+			}}
 
 			UploadMetrics(ctx, config, true, time.Now(), metricsFile)
 			t.Errorf("got nil, expecting %q as a failure", tt.expectedErr)
diff --git a/ui/metrics/event.go b/ui/metrics/event.go
index c3367e3..ebe664f 100644
--- a/ui/metrics/event.go
+++ b/ui/metrics/event.go
@@ -69,7 +69,7 @@
 func (e event) perfInfo() soong_metrics_proto.PerfInfo {
 	realTime := uint64(_now().Sub(e.start).Nanoseconds())
 	return soong_metrics_proto.PerfInfo{
-		Desc:                  proto.String(e.desc),
+		Description:           proto.String(e.desc),
 		Name:                  proto.String(e.name),
 		StartTime:             proto.Uint64(uint64(e.start.UnixNano())),
 		RealTime:              proto.Uint64(realTime),
diff --git a/ui/metrics/metrics.go b/ui/metrics/metrics.go
index ccf9bd8..f1bb862 100644
--- a/ui/metrics/metrics.go
+++ b/ui/metrics/metrics.go
@@ -25,16 +25,11 @@
 // that captures the metrics and is them added as a perfInfo into the set
 // of the collected metrics. Finally, when soong_ui has finished the build,
 // the defer Dump function is invoked to store the collected metrics to the
-// raw protobuf file in the $OUT directory.
-//
-// There is one additional step that occurs after the raw protobuf file is written.
-// If the configuration environment variable ANDROID_ENABLE_METRICS_UPLOAD is
-// set with the path, the raw protobuf file is uploaded to the destination. See
-// ui/build/upload.go for more details. The filename of the raw protobuf file
-// and the list of files to be uploaded is defined in cmd/soong_ui/main.go.
-//
-// See ui/metrics/event.go for the explanation of what an event is and how
-// the metrics system is a stack based system.
+// raw protobuf file in the $OUT directory and this raw protobuf file will be
+// uploaded to the destination. See ui/build/upload.go for more details. The
+// filename of the raw protobuf file and the list of files to be uploaded is
+// defined in cmd/soong_ui/main.go. See ui/metrics/event.go for the explanation
+// of what an event is and how the metrics system is a stack based system.
 
 import (
 	"io/ioutil"
diff --git a/ui/metrics/metrics_proto/metrics.pb.go b/ui/metrics/metrics_proto/metrics.pb.go
index 80f80bc..2e530b0 100644
--- a/ui/metrics/metrics_proto/metrics.pb.go
+++ b/ui/metrics/metrics_proto/metrics.pb.go
@@ -660,7 +660,7 @@
 	unknownFields protoimpl.UnknownFields
 
 	// The description for the phase/action/part while the tool running.
-	Desc *string `protobuf:"bytes,1,opt,name=desc" json:"desc,omitempty"`
+	Description *string `protobuf:"bytes,1,opt,name=description" json:"description,omitempty"`
 	// The name for the running phase/action/part.
 	Name *string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"`
 	// The absolute start time.
@@ -709,9 +709,9 @@
 	return file_metrics_proto_rawDescGZIP(), []int{3}
 }
 
-func (x *PerfInfo) GetDesc() string {
-	if x != nil && x.Desc != nil {
-		return *x.Desc
+func (x *PerfInfo) GetDescription() string {
+	if x != nil && x.Description != nil {
+		return *x.Description
 	}
 	return ""
 }
@@ -1268,93 +1268,93 @@
 	0x6c, 0x50, 0x68, 0x79, 0x73, 0x69, 0x63, 0x61, 0x6c, 0x4d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x12,
 	0x25, 0x0a, 0x0e, 0x61, 0x76, 0x61, 0x69, 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x63, 0x70, 0x75,
 	0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0d, 0x61, 0x76, 0x61, 0x69, 0x6c, 0x61, 0x62,
-	0x6c, 0x65, 0x43, 0x70, 0x75, 0x73, 0x22, 0xf3, 0x01, 0x0a, 0x08, 0x50, 0x65, 0x72, 0x66, 0x49,
-	0x6e, 0x66, 0x6f, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x65, 0x73, 0x63, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x09, 0x52, 0x04, 0x64, 0x65, 0x73, 0x63, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18,
-	0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x73,
-	0x74, 0x61, 0x72, 0x74, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52,
-	0x09, 0x73, 0x74, 0x61, 0x72, 0x74, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x72, 0x65,
-	0x61, 0x6c, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x04, 0x52, 0x08, 0x72,
-	0x65, 0x61, 0x6c, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x21, 0x0a, 0x0a, 0x6d, 0x65, 0x6d, 0x6f, 0x72,
-	0x79, 0x5f, 0x75, 0x73, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x42, 0x02, 0x18, 0x01, 0x52,
-	0x09, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x55, 0x73, 0x65, 0x12, 0x60, 0x0a, 0x17, 0x70, 0x72,
-	0x6f, 0x63, 0x65, 0x73, 0x73, 0x65, 0x73, 0x5f, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65,
-	0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x18, 0x06, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x73, 0x6f,
-	0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63,
-	0x73, 0x2e, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63,
-	0x65, 0x49, 0x6e, 0x66, 0x6f, 0x52, 0x15, 0x70, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x65, 0x73,
-	0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x22, 0xb9, 0x03, 0x0a,
-	0x13, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65,
-	0x49, 0x6e, 0x66, 0x6f, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x28, 0x0a, 0x10, 0x75, 0x73, 0x65, 0x72,
-	0x5f, 0x74, 0x69, 0x6d, 0x65, 0x5f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x18, 0x02, 0x20, 0x01,
-	0x28, 0x04, 0x52, 0x0e, 0x75, 0x73, 0x65, 0x72, 0x54, 0x69, 0x6d, 0x65, 0x4d, 0x69, 0x63, 0x72,
-	0x6f, 0x73, 0x12, 0x2c, 0x0a, 0x12, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x5f, 0x74, 0x69, 0x6d,
-	0x65, 0x5f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x10,
-	0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x54, 0x69, 0x6d, 0x65, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73,
-	0x12, 0x1c, 0x0a, 0x0a, 0x6d, 0x61, 0x78, 0x5f, 0x72, 0x73, 0x73, 0x5f, 0x6b, 0x62, 0x18, 0x04,
-	0x20, 0x01, 0x28, 0x04, 0x52, 0x08, 0x6d, 0x61, 0x78, 0x52, 0x73, 0x73, 0x4b, 0x62, 0x12, 0x2a,
-	0x0a, 0x11, 0x6d, 0x69, 0x6e, 0x6f, 0x72, 0x5f, 0x70, 0x61, 0x67, 0x65, 0x5f, 0x66, 0x61, 0x75,
-	0x6c, 0x74, 0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0f, 0x6d, 0x69, 0x6e, 0x6f, 0x72,
-	0x50, 0x61, 0x67, 0x65, 0x46, 0x61, 0x75, 0x6c, 0x74, 0x73, 0x12, 0x2a, 0x0a, 0x11, 0x6d, 0x61,
-	0x6a, 0x6f, 0x72, 0x5f, 0x70, 0x61, 0x67, 0x65, 0x5f, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x73, 0x18,
-	0x06, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0f, 0x6d, 0x61, 0x6a, 0x6f, 0x72, 0x50, 0x61, 0x67, 0x65,
-	0x46, 0x61, 0x75, 0x6c, 0x74, 0x73, 0x12, 0x1e, 0x0a, 0x0b, 0x69, 0x6f, 0x5f, 0x69, 0x6e, 0x70,
-	0x75, 0x74, 0x5f, 0x6b, 0x62, 0x18, 0x07, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x69, 0x6f, 0x49,
-	0x6e, 0x70, 0x75, 0x74, 0x4b, 0x62, 0x12, 0x20, 0x0a, 0x0c, 0x69, 0x6f, 0x5f, 0x6f, 0x75, 0x74,
-	0x70, 0x75, 0x74, 0x5f, 0x6b, 0x62, 0x18, 0x08, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0a, 0x69, 0x6f,
-	0x4f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x4b, 0x62, 0x12, 0x3c, 0x0a, 0x1a, 0x76, 0x6f, 0x6c, 0x75,
-	0x6e, 0x74, 0x61, 0x72, 0x79, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x5f, 0x73, 0x77,
-	0x69, 0x74, 0x63, 0x68, 0x65, 0x73, 0x18, 0x09, 0x20, 0x01, 0x28, 0x04, 0x52, 0x18, 0x76, 0x6f,
+	0x6c, 0x65, 0x43, 0x70, 0x75, 0x73, 0x22, 0x81, 0x02, 0x0a, 0x08, 0x50, 0x65, 0x72, 0x66, 0x49,
+	0x6e, 0x66, 0x6f, 0x12, 0x20, 0x0a, 0x0b, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x69,
+	0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69,
+	0x70, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x73, 0x74, 0x61,
+	0x72, 0x74, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x73,
+	0x74, 0x61, 0x72, 0x74, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x72, 0x65, 0x61, 0x6c,
+	0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x04, 0x52, 0x08, 0x72, 0x65, 0x61,
+	0x6c, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x21, 0x0a, 0x0a, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x5f,
+	0x75, 0x73, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x42, 0x02, 0x18, 0x01, 0x52, 0x09, 0x6d,
+	0x65, 0x6d, 0x6f, 0x72, 0x79, 0x55, 0x73, 0x65, 0x12, 0x60, 0x0a, 0x17, 0x70, 0x72, 0x6f, 0x63,
+	0x65, 0x73, 0x73, 0x65, 0x73, 0x5f, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x5f, 0x69,
+	0x6e, 0x66, 0x6f, 0x18, 0x06, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x73, 0x6f, 0x6f, 0x6e,
+	0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2e,
+	0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x49,
+	0x6e, 0x66, 0x6f, 0x52, 0x15, 0x70, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x65, 0x73, 0x52, 0x65,
+	0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x22, 0xb9, 0x03, 0x0a, 0x13, 0x50,
+	0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x49, 0x6e,
+	0x66, 0x6f, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x28, 0x0a, 0x10, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x74,
+	0x69, 0x6d, 0x65, 0x5f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04,
+	0x52, 0x0e, 0x75, 0x73, 0x65, 0x72, 0x54, 0x69, 0x6d, 0x65, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73,
+	0x12, 0x2c, 0x0a, 0x12, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x5f,
+	0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x10, 0x73, 0x79,
+	0x73, 0x74, 0x65, 0x6d, 0x54, 0x69, 0x6d, 0x65, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x12, 0x1c,
+	0x0a, 0x0a, 0x6d, 0x61, 0x78, 0x5f, 0x72, 0x73, 0x73, 0x5f, 0x6b, 0x62, 0x18, 0x04, 0x20, 0x01,
+	0x28, 0x04, 0x52, 0x08, 0x6d, 0x61, 0x78, 0x52, 0x73, 0x73, 0x4b, 0x62, 0x12, 0x2a, 0x0a, 0x11,
+	0x6d, 0x69, 0x6e, 0x6f, 0x72, 0x5f, 0x70, 0x61, 0x67, 0x65, 0x5f, 0x66, 0x61, 0x75, 0x6c, 0x74,
+	0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0f, 0x6d, 0x69, 0x6e, 0x6f, 0x72, 0x50, 0x61,
+	0x67, 0x65, 0x46, 0x61, 0x75, 0x6c, 0x74, 0x73, 0x12, 0x2a, 0x0a, 0x11, 0x6d, 0x61, 0x6a, 0x6f,
+	0x72, 0x5f, 0x70, 0x61, 0x67, 0x65, 0x5f, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x73, 0x18, 0x06, 0x20,
+	0x01, 0x28, 0x04, 0x52, 0x0f, 0x6d, 0x61, 0x6a, 0x6f, 0x72, 0x50, 0x61, 0x67, 0x65, 0x46, 0x61,
+	0x75, 0x6c, 0x74, 0x73, 0x12, 0x1e, 0x0a, 0x0b, 0x69, 0x6f, 0x5f, 0x69, 0x6e, 0x70, 0x75, 0x74,
+	0x5f, 0x6b, 0x62, 0x18, 0x07, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x69, 0x6f, 0x49, 0x6e, 0x70,
+	0x75, 0x74, 0x4b, 0x62, 0x12, 0x20, 0x0a, 0x0c, 0x69, 0x6f, 0x5f, 0x6f, 0x75, 0x74, 0x70, 0x75,
+	0x74, 0x5f, 0x6b, 0x62, 0x18, 0x08, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0a, 0x69, 0x6f, 0x4f, 0x75,
+	0x74, 0x70, 0x75, 0x74, 0x4b, 0x62, 0x12, 0x3c, 0x0a, 0x1a, 0x76, 0x6f, 0x6c, 0x75, 0x6e, 0x74,
+	0x61, 0x72, 0x79, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x5f, 0x73, 0x77, 0x69, 0x74,
+	0x63, 0x68, 0x65, 0x73, 0x18, 0x09, 0x20, 0x01, 0x28, 0x04, 0x52, 0x18, 0x76, 0x6f, 0x6c, 0x75,
+	0x6e, 0x74, 0x61, 0x72, 0x79, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x53, 0x77, 0x69, 0x74,
+	0x63, 0x68, 0x65, 0x73, 0x12, 0x40, 0x0a, 0x1c, 0x69, 0x6e, 0x76, 0x6f, 0x6c, 0x75, 0x6e, 0x74,
+	0x61, 0x72, 0x79, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x5f, 0x73, 0x77, 0x69, 0x74,
+	0x63, 0x68, 0x65, 0x73, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x04, 0x52, 0x1a, 0x69, 0x6e, 0x76, 0x6f,
 	0x6c, 0x75, 0x6e, 0x74, 0x61, 0x72, 0x79, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x53, 0x77,
-	0x69, 0x74, 0x63, 0x68, 0x65, 0x73, 0x12, 0x40, 0x0a, 0x1c, 0x69, 0x6e, 0x76, 0x6f, 0x6c, 0x75,
-	0x6e, 0x74, 0x61, 0x72, 0x79, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x5f, 0x73, 0x77,
-	0x69, 0x74, 0x63, 0x68, 0x65, 0x73, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x04, 0x52, 0x1a, 0x69, 0x6e,
-	0x76, 0x6f, 0x6c, 0x75, 0x6e, 0x74, 0x61, 0x72, 0x79, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74,
-	0x53, 0x77, 0x69, 0x74, 0x63, 0x68, 0x65, 0x73, 0x22, 0xe5, 0x01, 0x0a, 0x0e, 0x4d, 0x6f, 0x64,
-	0x75, 0x6c, 0x65, 0x54, 0x79, 0x70, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x5b, 0x0a, 0x0c, 0x62,
-	0x75, 0x69, 0x6c, 0x64, 0x5f, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x0e, 0x32, 0x2f, 0x2e, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f,
-	0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2e, 0x4d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x54, 0x79,
-	0x70, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x2e, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x53, 0x79, 0x73, 0x74,
-	0x65, 0x6d, 0x3a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x52, 0x0b, 0x62, 0x75, 0x69,
-	0x6c, 0x64, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x12, 0x1f, 0x0a, 0x0b, 0x6d, 0x6f, 0x64, 0x75,
-	0x6c, 0x65, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x6d,
-	0x6f, 0x64, 0x75, 0x6c, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x24, 0x0a, 0x0e, 0x6e, 0x75, 0x6d,
-	0x5f, 0x6f, 0x66, 0x5f, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28,
-	0x0d, 0x52, 0x0c, 0x6e, 0x75, 0x6d, 0x4f, 0x66, 0x4d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73, 0x22,
-	0x2f, 0x0a, 0x0b, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x12, 0x0b,
-	0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x53,
-	0x4f, 0x4f, 0x4e, 0x47, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x4d, 0x41, 0x4b, 0x45, 0x10, 0x02,
-	0x22, 0x6c, 0x0a, 0x1a, 0x43, 0x72, 0x69, 0x74, 0x69, 0x63, 0x61, 0x6c, 0x55, 0x73, 0x65, 0x72,
-	0x4a, 0x6f, 0x75, 0x72, 0x6e, 0x65, 0x79, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x12, 0x12,
-	0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61,
-	0x6d, 0x65, 0x12, 0x3a, 0x0a, 0x07, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x18, 0x02, 0x20,
-	0x01, 0x28, 0x0b, 0x32, 0x20, 0x2e, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c,
-	0x64, 0x5f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2e, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63,
-	0x73, 0x42, 0x61, 0x73, 0x65, 0x52, 0x07, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x22, 0x62,
-	0x0a, 0x1b, 0x43, 0x72, 0x69, 0x74, 0x69, 0x63, 0x61, 0x6c, 0x55, 0x73, 0x65, 0x72, 0x4a, 0x6f,
-	0x75, 0x72, 0x6e, 0x65, 0x79, 0x73, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x12, 0x43, 0x0a,
-	0x04, 0x63, 0x75, 0x6a, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x2f, 0x2e, 0x73, 0x6f,
-	0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63,
-	0x73, 0x2e, 0x43, 0x72, 0x69, 0x74, 0x69, 0x63, 0x61, 0x6c, 0x55, 0x73, 0x65, 0x72, 0x4a, 0x6f,
-	0x75, 0x72, 0x6e, 0x65, 0x79, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x52, 0x04, 0x63, 0x75,
-	0x6a, 0x73, 0x22, 0xc3, 0x01, 0x0a, 0x11, 0x53, 0x6f, 0x6f, 0x6e, 0x67, 0x42, 0x75, 0x69, 0x6c,
-	0x64, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x6f, 0x64, 0x75,
-	0x6c, 0x65, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c,
-	0x65, 0x73, 0x12, 0x1a, 0x0a, 0x08, 0x76, 0x61, 0x72, 0x69, 0x61, 0x6e, 0x74, 0x73, 0x18, 0x02,
-	0x20, 0x01, 0x28, 0x0d, 0x52, 0x08, 0x76, 0x61, 0x72, 0x69, 0x61, 0x6e, 0x74, 0x73, 0x12, 0x2a,
-	0x0a, 0x11, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x5f, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x5f, 0x63, 0x6f,
-	0x75, 0x6e, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0f, 0x74, 0x6f, 0x74, 0x61, 0x6c,
-	0x41, 0x6c, 0x6c, 0x6f, 0x63, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x28, 0x0a, 0x10, 0x74, 0x6f,
-	0x74, 0x61, 0x6c, 0x5f, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x5f, 0x73, 0x69, 0x7a, 0x65, 0x18, 0x04,
-	0x20, 0x01, 0x28, 0x04, 0x52, 0x0e, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x41, 0x6c, 0x6c, 0x6f, 0x63,
-	0x53, 0x69, 0x7a, 0x65, 0x12, 0x22, 0x0a, 0x0d, 0x6d, 0x61, 0x78, 0x5f, 0x68, 0x65, 0x61, 0x70,
-	0x5f, 0x73, 0x69, 0x7a, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0b, 0x6d, 0x61, 0x78,
-	0x48, 0x65, 0x61, 0x70, 0x53, 0x69, 0x7a, 0x65, 0x42, 0x28, 0x5a, 0x26, 0x61, 0x6e, 0x64, 0x72,
-	0x6f, 0x69, 0x64, 0x2f, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x75, 0x69, 0x2f, 0x6d, 0x65, 0x74,
-	0x72, 0x69, 0x63, 0x73, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x5f, 0x70, 0x72, 0x6f,
-	0x74, 0x6f,
+	0x69, 0x74, 0x63, 0x68, 0x65, 0x73, 0x22, 0xe5, 0x01, 0x0a, 0x0e, 0x4d, 0x6f, 0x64, 0x75, 0x6c,
+	0x65, 0x54, 0x79, 0x70, 0x65, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x5b, 0x0a, 0x0c, 0x62, 0x75, 0x69,
+	0x6c, 0x64, 0x5f, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32,
+	0x2f, 0x2e, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x6d, 0x65,
+	0x74, 0x72, 0x69, 0x63, 0x73, 0x2e, 0x4d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x54, 0x79, 0x70, 0x65,
+	0x49, 0x6e, 0x66, 0x6f, 0x2e, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
+	0x3a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x52, 0x0b, 0x62, 0x75, 0x69, 0x6c, 0x64,
+	0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x12, 0x1f, 0x0a, 0x0b, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65,
+	0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x6d, 0x6f, 0x64,
+	0x75, 0x6c, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x24, 0x0a, 0x0e, 0x6e, 0x75, 0x6d, 0x5f, 0x6f,
+	0x66, 0x5f, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52,
+	0x0c, 0x6e, 0x75, 0x6d, 0x4f, 0x66, 0x4d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73, 0x22, 0x2f, 0x0a,
+	0x0b, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x12, 0x0b, 0x0a, 0x07,
+	0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x53, 0x4f, 0x4f,
+	0x4e, 0x47, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x4d, 0x41, 0x4b, 0x45, 0x10, 0x02, 0x22, 0x6c,
+	0x0a, 0x1a, 0x43, 0x72, 0x69, 0x74, 0x69, 0x63, 0x61, 0x6c, 0x55, 0x73, 0x65, 0x72, 0x4a, 0x6f,
+	0x75, 0x72, 0x6e, 0x65, 0x79, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x12, 0x12, 0x0a, 0x04,
+	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65,
+	0x12, 0x3a, 0x0a, 0x07, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x0b, 0x32, 0x20, 0x2e, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f,
+	0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2e, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x42,
+	0x61, 0x73, 0x65, 0x52, 0x07, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x22, 0x62, 0x0a, 0x1b,
+	0x43, 0x72, 0x69, 0x74, 0x69, 0x63, 0x61, 0x6c, 0x55, 0x73, 0x65, 0x72, 0x4a, 0x6f, 0x75, 0x72,
+	0x6e, 0x65, 0x79, 0x73, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x12, 0x43, 0x0a, 0x04, 0x63,
+	0x75, 0x6a, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x2f, 0x2e, 0x73, 0x6f, 0x6f, 0x6e,
+	0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2e,
+	0x43, 0x72, 0x69, 0x74, 0x69, 0x63, 0x61, 0x6c, 0x55, 0x73, 0x65, 0x72, 0x4a, 0x6f, 0x75, 0x72,
+	0x6e, 0x65, 0x79, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x52, 0x04, 0x63, 0x75, 0x6a, 0x73,
+	0x22, 0xc3, 0x01, 0x0a, 0x11, 0x53, 0x6f, 0x6f, 0x6e, 0x67, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x4d,
+	0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65,
+	0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73,
+	0x12, 0x1a, 0x0a, 0x08, 0x76, 0x61, 0x72, 0x69, 0x61, 0x6e, 0x74, 0x73, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x0d, 0x52, 0x08, 0x76, 0x61, 0x72, 0x69, 0x61, 0x6e, 0x74, 0x73, 0x12, 0x2a, 0x0a, 0x11,
+	0x74, 0x6f, 0x74, 0x61, 0x6c, 0x5f, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x5f, 0x63, 0x6f, 0x75, 0x6e,
+	0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0f, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x41, 0x6c,
+	0x6c, 0x6f, 0x63, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x28, 0x0a, 0x10, 0x74, 0x6f, 0x74, 0x61,
+	0x6c, 0x5f, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x5f, 0x73, 0x69, 0x7a, 0x65, 0x18, 0x04, 0x20, 0x01,
+	0x28, 0x04, 0x52, 0x0e, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x41, 0x6c, 0x6c, 0x6f, 0x63, 0x53, 0x69,
+	0x7a, 0x65, 0x12, 0x22, 0x0a, 0x0d, 0x6d, 0x61, 0x78, 0x5f, 0x68, 0x65, 0x61, 0x70, 0x5f, 0x73,
+	0x69, 0x7a, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0b, 0x6d, 0x61, 0x78, 0x48, 0x65,
+	0x61, 0x70, 0x53, 0x69, 0x7a, 0x65, 0x42, 0x28, 0x5a, 0x26, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69,
+	0x64, 0x2f, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x75, 0x69, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69,
+	0x63, 0x73, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 }
 
 var (
diff --git a/ui/metrics/metrics_proto/metrics.proto b/ui/metrics/metrics_proto/metrics.proto
index ec8f36b..db0a14a 100644
--- a/ui/metrics/metrics_proto/metrics.proto
+++ b/ui/metrics/metrics_proto/metrics.proto
@@ -139,7 +139,7 @@
 
 message PerfInfo {
   // The description for the phase/action/part while the tool running.
-  optional string desc = 1;
+  optional string description = 1;
 
   // The name for the running phase/action/part.
   optional string name = 2;