stats/atoms/art/art_extension_atoms.proto - aosp/platform/frameworks/proto_logging - Git at Google

 syntax = "proto2";

 package android.os.statsd.art;

 import "frameworks/proto_logging/stats/atoms.proto";
 import "frameworks/proto_logging/stats/atom_field_options.proto";

 option java_package = "com.android.os.art";
 option java_multiple_files = true;

 extend Atom {
     // Pushed atoms
     optional ArtDatumReported art_datum_reported = 332 [(module) = "art"];
     // Deprecated in favour of the ArtDeviceStatus pulled atom
     optional ArtDeviceDatumReported art_device_datum_reported = 550 [(module) = "art", deprecated = true];
     optional ArtDatumDeltaReported art_datum_delta_reported = 565 [(module) = "art"];

     // Pulled atoms
     optional ArtDeviceStatus art_device_status = 10205 [(module) = "art"];
 }

 // Indicates which compile filter was used for the package being loaded in an ART session.
 enum ArtCompileFilter {
     ART_COMPILATION_FILTER_UNSPECIFIED = 0;
     ART_COMPILATION_FILTER_ERROR = 1;
     ART_COMPILATION_FILTER_UNKNOWN = 2;
     ART_COMPILATION_FILTER_ASSUMED_VERIFIED = 3;
     ART_COMPILATION_FILTER_EXTRACT = 4;
     ART_COMPILATION_FILTER_VERIFY = 5;
     ART_COMPILATION_FILTER_QUICKEN = 6;
     ART_COMPILATION_FILTER_SPACE_PROFILE = 7;
     ART_COMPILATION_FILTER_SPACE = 8;
     ART_COMPILATION_FILTER_SPEED_PROFILE = 9;
     ART_COMPILATION_FILTER_SPEED = 10;
     ART_COMPILATION_FILTER_EVERYTHING_PROFILE = 11;
     ART_COMPILATION_FILTER_EVERYTHING = 12;
     ART_COMPILATION_FILTER_FAKE_RUN_FROM_APK = 13;
     ART_COMPILATION_FILTER_FAKE_RUN_FROM_APK_FALLBACK = 14;
     ART_COMPILATION_FILTER_FAKE_RUN_FROM_VDEX_FALLBACK = 15;
 }

 // Indicates what triggered the compilation of the package.
 enum ArtCompilationReason {
     ART_COMPILATION_REASON_UNSPECIFIED = 0;
     ART_COMPILATION_REASON_ERROR = 1;
     ART_COMPILATION_REASON_UNKNOWN = 2;
     ART_COMPILATION_REASON_FIRST_BOOT = 3;
     ART_COMPILATION_REASON_BOOT = 4;
     ART_COMPILATION_REASON_INSTALL = 5;
     ART_COMPILATION_REASON_BG_DEXOPT = 6;
     ART_COMPILATION_REASON_AB_OTA = 7;
     ART_COMPILATION_REASON_INACTIVE = 8;
     ART_COMPILATION_REASON_SHARED = 9;
     ART_COMPILATION_REASON_INSTALL_WITH_DEX_METADATA = 10;
     ART_COMPILATION_REASON_POST_BOOT = 11;
     ART_COMPILATION_REASON_INSTALL_FAST = 12;
     ART_COMPILATION_REASON_INSTALL_BULK = 13;
     ART_COMPILATION_REASON_INSTALL_BULK_SECONDARY = 14;
     ART_COMPILATION_REASON_INSTALL_BULK_DOWNGRADED = 15;
     ART_COMPILATION_REASON_INSTALL_BULK_SECONDARY_DOWNGRADED = 16;
     ART_COMPILATION_REASON_BOOT_AFTER_OTA = 17;
     ART_COMPILATION_REASON_PREBUILT = 18;
     ART_COMPILATION_REASON_CMDLINE = 19;
     ART_COMPILATION_REASON_VDEX = 20;
     ART_COMPILATION_REASON_BOOT_AFTER_MAINLINE_UPDATE = 21;
 }

 // Indicates which kind of measurement ART is reporting.
 //
 // Where it makes sense, the datum ID ends with the type of datum (counter or histogram) and the
 // units.
 // Note: Histograms are not yet reported by statsd.
 enum ArtDatumId {
     ART_DATUM_INVALID = 0;
     ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS = 1;
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_TIME_HISTO_MILLIS = 2;
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_COUNT = 3;
     ART_DATUM_GC_FULL_HEAP_COLLECTION_TIME_HISTO_MILLIS = 4;
     ART_DATUM_GC_FULL_HEAP_COLLECTION_COUNT = 5;
     ART_DATUM_JIT_METHOD_COMPILE_TIME_MICROS = 6;
     ART_DATUM_AOT_COMPILE_TIME = 7;
     ART_DATUM_CLASS_VERIFICATION_TIME_COUNTER_MICROS = 8;
     ART_DATUM_CLASS_LOADING_TIME_COUNTER_MICROS = 9;

     // Metrics IDs for dex2oat.
     ART_DATUM_DEX2OAT_RESULT_CODE = 10 [deprecated = true];
     ART_DATUM_DEX2OAT_DEX_CODE_COUNTER_BYTES = 11 [deprecated = true];
     ART_DATUM_DEX2OAT_TOTAL_TIME_COUNTER_MILLIS = 12 [deprecated = true];
     ART_DATUM_DEX2OAT_VERIFY_DEX_FILE_TIME_COUNTER_MILLIS = 13 [deprecated = true];
     ART_DATUM_DEX2OAT_FAST_VERIFY_TIME_COUNTER_MILLIS = 14 [deprecated = true];
     ART_DATUM_DEX2OAT_RESOLVE_METHODS_AND_FIELDS_TIME_COUNTER_MILLIS = 15 [deprecated = true];

     ART_DATUM_CLASS_VERIFICATION_COUNT = 16;
     ART_DATUM_GC_TOTAL_BYTES_ALLOCATED = 17;
     ART_DATUM_GC_TOTAL_METADATA_SIZE_BYTES = 18 [deprecated=true];
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_HISTO_MB_PER_SEC = 19;
     ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_HISTO_MB_PER_SEC = 20;
     ART_DATUM_JIT_METHOD_COMPILE_COUNT = 21;
     ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_HISTO_MB_PER_SEC = 22;
     ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_HISTO_MB_PER_SEC = 23;
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC = 24;
     ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC = 25;
     ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC = 26;
     ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC = 27;
     ART_DATUM_GC_TOTAL_COLLECTION_TIME_MS = 28;

     // New metrics to support averages reported as sum (numerator) and count (denominator),
     // in order to make it easier to be reported as Value Metrics.

     // numerator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
     ART_DATUM_GC_WORLD_STOP_TIME_US = 29;
     // denominator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
     ART_DATUM_GC_WORLD_STOP_COUNT = 30;
     // numerator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_SCANNED_BYTES = 31;
     // numerator from ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_FREED_BYTES = 32;
     // denominator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     // and ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_DURATION_MS = 33;
     // numerator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_GC_FULL_HEAP_COLLECTION_SCANNED_BYTES = 34;
     // numerator from ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_GC_FULL_HEAP_COLLECTION_FREED_BYTES = 35;
     // denominator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     // and ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_GC_FULL_HEAP_COLLECTION_DURATION_MS = 36;
 }

 // Indicates which kind of measurement ART is reporting as increments / deltas.
 // Next ID: 37
 enum ArtDatumDeltaId {
     ART_DATUM_DELTA_INVALID = 0;

     // These IDs are the equivalent of the ArtDatumId values,
     // but for reporting increments / deltas.
     ART_DATUM_DELTA_CLASS_VERIFICATION_COUNT = 16;
     ART_DATUM_DELTA_CLASS_VERIFICATION_TIME_MICROS = 8;
     ART_DATUM_DELTA_CLASS_LOADING_TIME_MICROS = 9;
     ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_COUNT = 5;
     ART_DATUM_DELTA_GC_TOTAL_BYTES_ALLOCATED = 17;
     ART_DATUM_DELTA_GC_TOTAL_COLLECTION_TIME_MS = 28;
     ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_COUNT = 3;
     ART_DATUM_DELTA_JIT_METHOD_COMPILE_COUNT = 21;
     ART_DATUM_DELTA_JIT_METHOD_COMPILE_TIME_MICROS = 6;

     // numerator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
     ART_DATUM_DELTA_GC_WORLD_STOP_TIME_US = 29;
     // denominator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
     ART_DATUM_DELTA_GC_WORLD_STOP_COUNT = 30;
     // numerator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_SCANNED_BYTES = 31;
     // numerator from ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_FREED_BYTES = 32;
     // denominator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     // and ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_DURATION_MS = 33;
     // numerator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_SCANNED_BYTES = 34;
     // numerator from ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_FREED_BYTES = 35;
     // denominator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
     // and ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
     ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_DURATION_MS = 36;
     // The number of milliseconds since the last time metrics were reported.
     ART_DATUM_DELTA_TIME_ELAPSED_MS = 37;

     reserved 1, 2, 4, 7, 10, 11, 12, 13, 14, 15, 18, 19, 20, 22, 23, 24, 25, 26, 27;
 }

 // DEPRECATED - Used to indicate what class of thread the reported values apply to.
 // Deprecated in Jan 2024 as the corresponding filter is no longer needed.
 enum ArtThreadType {
     ART_THREAD_UNKNOWN = 0;
     ART_THREAD_MAIN = 1;
     ART_THREAD_BACKGROUND = 2;
 }

 // DEPRECATED - Used to indicate the type of dex metadata.
 // Deprecated in Jan 2024 as the corresponding filter is no longer needed.
 enum ArtDexMetadataType {
   ART_DEX_METADATA_TYPE_UNKNOWN = 0;
   ART_DEX_METADATA_TYPE_PROFILE = 1;
   ART_DEX_METADATA_TYPE_VDEX = 2;
   ART_DEX_METADATA_TYPE_PROFILE_AND_VDEX = 3;
   ART_DEX_METADATA_TYPE_NONE = 4;
   ART_DEX_METADATA_TYPE_ERROR = 5;
 }

 // DEPRECATED - Used to indicate the type of the apk.
 // Deprecated in Jan 2024 as the corresponding filter is no longer needed.
 enum ArtApkType {
     ART_APK_TYPE_UNKNOWN = 0;
     ART_APK_TYPE_BASE = 1;
     ART_APK_TYPE_SPLIT = 2;
 }

 // Indicates the ISA.
 enum ArtIsa {
     ART_ISA_UNKNOWN = 0;
     ART_ISA_ARM = 1;
     ART_ISA_ARM64 = 2;
     ART_ISA_X86 = 3;
     ART_ISA_X86_64 = 4;
     ART_ISA_MIPS = 5;
     ART_ISA_MIPS64 = 6;
     ART_ISA_RISCV64 = 7;
 }

 // Indicates the GC collector type.
 enum ArtGcCollectorType {
     ART_GC_COLLECTOR_TYPE_UNKNOWN = 0;
     ART_GC_COLLECTOR_TYPE_MARK_SWEEP = 1;
     ART_GC_COLLECTOR_TYPE_CONCURRENT_MARK_SWEEP = 2;
     ART_GC_COLLECTOR_TYPE_CONCURRENT_MARK_COMPACT = 3;
     ART_GC_COLLECTOR_TYPE_SEMI_SPACE = 4;
     ART_GC_COLLECTOR_TYPE_CONCURRENT_COPYING = 5;
     ART_GC_COLLECTOR_TYPE_CONCURRENT_COPYING_BACKGROUND = 6;
     ART_GC_COLLECTOR_TYPE_CONCURRENT_MARK_COMPACT_BACKGROUND = 7;
 }

 // Indicates support for userfaultfd and minor fault mode.
 enum ArtUffdSupport {
     ART_UFFD_SUPPORT_UNKNOWN = 0;
     ART_UFFD_SUPPORT_UFFD_NOT_SUPPORTED = 1;
     ART_UFFD_SUPPORT_MINOR_FAULT_MODE_NOT_SUPPORTED = 2;
     ART_UFFD_SUPPORT_MINOR_FAULT_MODE_SUPPORTED = 3;
 }

 message ArtDatumReported {
     // The session ID is used to correlate this report with others from the same ART instance.
     optional int64 session_id = 1;

     // The UID of the app that ART is running on behalf of.
     optional int32 uid = 2 [(is_uid) = true];

     // What compiler filter the APK or DEX file was compiled with.
     optional ArtCompileFilter compile_filter = 3;

     // Why the package was compiled the way it was.
     optional ArtCompilationReason compilation_reason = 4;

     // The number of milliseconds since the ART runtime instance was started.
     optional int64 timestamp_millis = 5;

     // What kind of thread (UI or background) this metric corresponds to.
     optional ArtThreadType thread_type = 6 [deprecated = true];

     // Which counter this is that is being reported.
     optional ArtDatumId kind = 7;

     // The value of the counter.
     optional int64 value = 8;

     // The type of dex metadata
     optional ArtDexMetadataType dex_metadata_type = 9 [deprecated = true];

     // The type of the APK file.
     optional ArtApkType apk_type = 10 [deprecated = true];

     // The ISA of the device.
     optional ArtIsa isa = 11;

     // The Garbage Collector used in the Android Runtime.
     optional ArtGcCollectorType gc = 12;

     // The support for userfaultfd and minor fault mode.
     optional ArtUffdSupport uffd_support = 13;
 }

 // ArtDatumDeltaReported is the same as ArtDatumReported, except for the kind field
 // (ArtDatumDeltaId here, ArtDatumId for ArtDatumReported)
 message ArtDatumDeltaReported {
     // The session ID is used to correlate this report with others from the same ART instance.
     optional int64 session_id = 1;

     // The UID of the app that ART is running on behalf of.
     optional int32 uid = 2 [(is_uid) = true];

     // What compiler filter the APK or DEX file was compiled with.
     optional ArtCompileFilter compile_filter = 3;

     // Why the package was compiled the way it was.
     optional ArtCompilationReason compilation_reason = 4;

     // The number of milliseconds since the ART runtime instance was started.
     optional int64 timestamp_millis = 5;

     // What kind of thread (UI or background) this metric corresponds to.
     optional ArtThreadType thread_type = 6 [deprecated = true];

     // Which counter this is that is being reported.
     optional ArtDatumDeltaId kind = 7;

     // The value of the counter.
     optional int64 value = 8;

     // The type of dex metadata
     optional ArtDexMetadataType dex_metadata_type = 9 [deprecated = true];

     // The type of the APK file.
     optional ArtApkType apk_type = 10 [deprecated = true];

     // The ISA of the device.
     optional ArtIsa isa = 11;

     // The Garbage Collector used in the Android Runtime.
     optional ArtGcCollectorType gc = 12;

     // The support for userfaultfd and minor fault mode.
     optional ArtUffdSupport uffd_support = 13;
 }

 /**
  * Logs ART metrics that are device-specific (as opposed to app-specific ones logged by
  * ArtDatumReported).
  *
  * Logged from:
  *   art/runtime/metrics/statsd.cc
  */
  message ArtDeviceDatumReported {
     enum BootImageStatus {
         // Unknown value.
         STATUS_UNSPECIFIED = 0;
         // Boot image(s) are fully usable.
         STATUS_FULL = 1;
         // Only the minimal boot image is usable.
         STATUS_MINIMAL = 2;
         // No boot image is usable.
         STATUS_NONE = 3;
     }

     optional BootImageStatus boot_image_status = 1;
 }

 /**
  * Reports ART metrics that are device-specific (as opposed to app-specific ones logged by
  * ArtDatumReported).
  */
 message ArtDeviceStatus {
     enum BootImageStatus {
         // Unknown value.
         STATUS_UNSPECIFIED = 0;
         // Boot image(s) are fully usable.
         STATUS_FULL = 1;
         // Only the minimal boot image is usable.
         STATUS_MINIMAL = 2;
         // No boot image is usable.
         STATUS_NONE = 3;
     }
     optional BootImageStatus boot_image_status = 1;
 }
	syntax = "proto2";

	package android.os.statsd.art;

	import "frameworks/proto_logging/stats/atoms.proto";
	import "frameworks/proto_logging/stats/atom_field_options.proto";

	option java_package = "com.android.os.art";
	option java_multiple_files = true;

	extend Atom {
	// Pushed atoms
	optional ArtDatumReported art_datum_reported = 332 [(module) = "art"];
	// Deprecated in favour of the ArtDeviceStatus pulled atom
	optional ArtDeviceDatumReported art_device_datum_reported = 550 [(module) = "art", deprecated = true];
	optional ArtDatumDeltaReported art_datum_delta_reported = 565 [(module) = "art"];

	// Pulled atoms
	optional ArtDeviceStatus art_device_status = 10205 [(module) = "art"];
	}

	// Indicates which compile filter was used for the package being loaded in an ART session.
	enum ArtCompileFilter {
	ART_COMPILATION_FILTER_UNSPECIFIED = 0;
	ART_COMPILATION_FILTER_ERROR = 1;
	ART_COMPILATION_FILTER_UNKNOWN = 2;
	ART_COMPILATION_FILTER_ASSUMED_VERIFIED = 3;
	ART_COMPILATION_FILTER_EXTRACT = 4;
	ART_COMPILATION_FILTER_VERIFY = 5;
	ART_COMPILATION_FILTER_QUICKEN = 6;
	ART_COMPILATION_FILTER_SPACE_PROFILE = 7;
	ART_COMPILATION_FILTER_SPACE = 8;
	ART_COMPILATION_FILTER_SPEED_PROFILE = 9;
	ART_COMPILATION_FILTER_SPEED = 10;
	ART_COMPILATION_FILTER_EVERYTHING_PROFILE = 11;
	ART_COMPILATION_FILTER_EVERYTHING = 12;
	ART_COMPILATION_FILTER_FAKE_RUN_FROM_APK = 13;
	ART_COMPILATION_FILTER_FAKE_RUN_FROM_APK_FALLBACK = 14;
	ART_COMPILATION_FILTER_FAKE_RUN_FROM_VDEX_FALLBACK = 15;
	}

	// Indicates what triggered the compilation of the package.
	enum ArtCompilationReason {
	ART_COMPILATION_REASON_UNSPECIFIED = 0;
	ART_COMPILATION_REASON_ERROR = 1;
	ART_COMPILATION_REASON_UNKNOWN = 2;
	ART_COMPILATION_REASON_FIRST_BOOT = 3;
	ART_COMPILATION_REASON_BOOT = 4;
	ART_COMPILATION_REASON_INSTALL = 5;
	ART_COMPILATION_REASON_BG_DEXOPT = 6;
	ART_COMPILATION_REASON_AB_OTA = 7;
	ART_COMPILATION_REASON_INACTIVE = 8;
	ART_COMPILATION_REASON_SHARED = 9;
	ART_COMPILATION_REASON_INSTALL_WITH_DEX_METADATA = 10;
	ART_COMPILATION_REASON_POST_BOOT = 11;
	ART_COMPILATION_REASON_INSTALL_FAST = 12;
	ART_COMPILATION_REASON_INSTALL_BULK = 13;
	ART_COMPILATION_REASON_INSTALL_BULK_SECONDARY = 14;
	ART_COMPILATION_REASON_INSTALL_BULK_DOWNGRADED = 15;
	ART_COMPILATION_REASON_INSTALL_BULK_SECONDARY_DOWNGRADED = 16;
	ART_COMPILATION_REASON_BOOT_AFTER_OTA = 17;
	ART_COMPILATION_REASON_PREBUILT = 18;
	ART_COMPILATION_REASON_CMDLINE = 19;
	ART_COMPILATION_REASON_VDEX = 20;
	ART_COMPILATION_REASON_BOOT_AFTER_MAINLINE_UPDATE = 21;
	}

	// Indicates which kind of measurement ART is reporting.
	//
	// Where it makes sense, the datum ID ends with the type of datum (counter or histogram) and the
	// units.
	// Note: Histograms are not yet reported by statsd.
	enum ArtDatumId {
	ART_DATUM_INVALID = 0;
	ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS = 1;
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_TIME_HISTO_MILLIS = 2;
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_COUNT = 3;
	ART_DATUM_GC_FULL_HEAP_COLLECTION_TIME_HISTO_MILLIS = 4;
	ART_DATUM_GC_FULL_HEAP_COLLECTION_COUNT = 5;
	ART_DATUM_JIT_METHOD_COMPILE_TIME_MICROS = 6;
	ART_DATUM_AOT_COMPILE_TIME = 7;
	ART_DATUM_CLASS_VERIFICATION_TIME_COUNTER_MICROS = 8;
	ART_DATUM_CLASS_LOADING_TIME_COUNTER_MICROS = 9;

	// Metrics IDs for dex2oat.
	ART_DATUM_DEX2OAT_RESULT_CODE = 10 [deprecated = true];
	ART_DATUM_DEX2OAT_DEX_CODE_COUNTER_BYTES = 11 [deprecated = true];
	ART_DATUM_DEX2OAT_TOTAL_TIME_COUNTER_MILLIS = 12 [deprecated = true];
	ART_DATUM_DEX2OAT_VERIFY_DEX_FILE_TIME_COUNTER_MILLIS = 13 [deprecated = true];
	ART_DATUM_DEX2OAT_FAST_VERIFY_TIME_COUNTER_MILLIS = 14 [deprecated = true];
	ART_DATUM_DEX2OAT_RESOLVE_METHODS_AND_FIELDS_TIME_COUNTER_MILLIS = 15 [deprecated = true];

	ART_DATUM_CLASS_VERIFICATION_COUNT = 16;
	ART_DATUM_GC_TOTAL_BYTES_ALLOCATED = 17;
	ART_DATUM_GC_TOTAL_METADATA_SIZE_BYTES = 18 [deprecated=true];
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_HISTO_MB_PER_SEC = 19;
	ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_HISTO_MB_PER_SEC = 20;
	ART_DATUM_JIT_METHOD_COMPILE_COUNT = 21;
	ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_HISTO_MB_PER_SEC = 22;
	ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_HISTO_MB_PER_SEC = 23;
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC = 24;
	ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC = 25;
	ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC = 26;
	ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC = 27;
	ART_DATUM_GC_TOTAL_COLLECTION_TIME_MS = 28;

	// New metrics to support averages reported as sum (numerator) and count (denominator),
	// in order to make it easier to be reported as Value Metrics.

	// numerator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
	ART_DATUM_GC_WORLD_STOP_TIME_US = 29;
	// denominator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
	ART_DATUM_GC_WORLD_STOP_COUNT = 30;
	// numerator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_SCANNED_BYTES = 31;
	// numerator from ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_FREED_BYTES = 32;
	// denominator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	// and ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_DURATION_MS = 33;
	// numerator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_GC_FULL_HEAP_COLLECTION_SCANNED_BYTES = 34;
	// numerator from ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_GC_FULL_HEAP_COLLECTION_FREED_BYTES = 35;
	// denominator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	// and ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_GC_FULL_HEAP_COLLECTION_DURATION_MS = 36;
	}

	// Indicates which kind of measurement ART is reporting as increments / deltas.
	// Next ID: 37
	enum ArtDatumDeltaId {
	ART_DATUM_DELTA_INVALID = 0;

	// These IDs are the equivalent of the ArtDatumId values,
	// but for reporting increments / deltas.
	ART_DATUM_DELTA_CLASS_VERIFICATION_COUNT = 16;
	ART_DATUM_DELTA_CLASS_VERIFICATION_TIME_MICROS = 8;
	ART_DATUM_DELTA_CLASS_LOADING_TIME_MICROS = 9;
	ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_COUNT = 5;
	ART_DATUM_DELTA_GC_TOTAL_BYTES_ALLOCATED = 17;
	ART_DATUM_DELTA_GC_TOTAL_COLLECTION_TIME_MS = 28;
	ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_COUNT = 3;
	ART_DATUM_DELTA_JIT_METHOD_COMPILE_COUNT = 21;
	ART_DATUM_DELTA_JIT_METHOD_COMPILE_TIME_MICROS = 6;

	// numerator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
	ART_DATUM_DELTA_GC_WORLD_STOP_TIME_US = 29;
	// denominator from ART_DATUM_GC_WORLD_STOP_TIME_AVG_MICROS
	ART_DATUM_DELTA_GC_WORLD_STOP_COUNT = 30;
	// numerator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_SCANNED_BYTES = 31;
	// numerator from ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_FREED_BYTES = 32;
	// denominator from ART_DATUM_GC_YOUNG_GENERATION_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	// and ART_DATUM_GC_YOUNG_GENERATION_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_DELTA_GC_YOUNG_GENERATION_COLLECTION_DURATION_MS = 33;
	// numerator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_SCANNED_BYTES = 34;
	// numerator from ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_FREED_BYTES = 35;
	// denominator from ART_DATUM_GC_FULL_HEAP_TRACING_THROUGHPUT_AVG_MB_PER_SEC
	// and ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT_AVG_MB_PER_SEC
	ART_DATUM_DELTA_GC_FULL_HEAP_COLLECTION_DURATION_MS = 36;
	// The number of milliseconds since the last time metrics were reported.
	ART_DATUM_DELTA_TIME_ELAPSED_MS = 37;

	reserved 1, 2, 4, 7, 10, 11, 12, 13, 14, 15, 18, 19, 20, 22, 23, 24, 25, 26, 27;
	}

	// DEPRECATED - Used to indicate what class of thread the reported values apply to.
	// Deprecated in Jan 2024 as the corresponding filter is no longer needed.
	enum ArtThreadType {
	ART_THREAD_UNKNOWN = 0;
	ART_THREAD_MAIN = 1;
	ART_THREAD_BACKGROUND = 2;
	}

	// DEPRECATED - Used to indicate the type of dex metadata.
	// Deprecated in Jan 2024 as the corresponding filter is no longer needed.
	enum ArtDexMetadataType {
	ART_DEX_METADATA_TYPE_UNKNOWN = 0;
	ART_DEX_METADATA_TYPE_PROFILE = 1;
	ART_DEX_METADATA_TYPE_VDEX = 2;
	ART_DEX_METADATA_TYPE_PROFILE_AND_VDEX = 3;
	ART_DEX_METADATA_TYPE_NONE = 4;
	ART_DEX_METADATA_TYPE_ERROR = 5;
	}

	// DEPRECATED - Used to indicate the type of the apk.
	// Deprecated in Jan 2024 as the corresponding filter is no longer needed.
	enum ArtApkType {
	ART_APK_TYPE_UNKNOWN = 0;
	ART_APK_TYPE_BASE = 1;
	ART_APK_TYPE_SPLIT = 2;
	}

	// Indicates the ISA.
	enum ArtIsa {
	ART_ISA_UNKNOWN = 0;
	ART_ISA_ARM = 1;
	ART_ISA_ARM64 = 2;
	ART_ISA_X86 = 3;
	ART_ISA_X86_64 = 4;
	ART_ISA_MIPS = 5;
	ART_ISA_MIPS64 = 6;
	ART_ISA_RISCV64 = 7;
	}

	// Indicates the GC collector type.
	enum ArtGcCollectorType {
	ART_GC_COLLECTOR_TYPE_UNKNOWN = 0;
	ART_GC_COLLECTOR_TYPE_MARK_SWEEP = 1;
	ART_GC_COLLECTOR_TYPE_CONCURRENT_MARK_SWEEP = 2;
	ART_GC_COLLECTOR_TYPE_CONCURRENT_MARK_COMPACT = 3;
	ART_GC_COLLECTOR_TYPE_SEMI_SPACE = 4;
	ART_GC_COLLECTOR_TYPE_CONCURRENT_COPYING = 5;
	ART_GC_COLLECTOR_TYPE_CONCURRENT_COPYING_BACKGROUND = 6;
	ART_GC_COLLECTOR_TYPE_CONCURRENT_MARK_COMPACT_BACKGROUND = 7;
	}

	// Indicates support for userfaultfd and minor fault mode.
	enum ArtUffdSupport {
	ART_UFFD_SUPPORT_UNKNOWN = 0;
	ART_UFFD_SUPPORT_UFFD_NOT_SUPPORTED = 1;
	ART_UFFD_SUPPORT_MINOR_FAULT_MODE_NOT_SUPPORTED = 2;
	ART_UFFD_SUPPORT_MINOR_FAULT_MODE_SUPPORTED = 3;
	}

	message ArtDatumReported {
	// The session ID is used to correlate this report with others from the same ART instance.
	optional int64 session_id = 1;

	// The UID of the app that ART is running on behalf of.
	optional int32 uid = 2 [(is_uid) = true];

	// What compiler filter the APK or DEX file was compiled with.
	optional ArtCompileFilter compile_filter = 3;

	// Why the package was compiled the way it was.
	optional ArtCompilationReason compilation_reason = 4;

	// The number of milliseconds since the ART runtime instance was started.
	optional int64 timestamp_millis = 5;

	// What kind of thread (UI or background) this metric corresponds to.
	optional ArtThreadType thread_type = 6 [deprecated = true];

	// Which counter this is that is being reported.
	optional ArtDatumId kind = 7;

	// The value of the counter.
	optional int64 value = 8;

	// The type of dex metadata
	optional ArtDexMetadataType dex_metadata_type = 9 [deprecated = true];

	// The type of the APK file.
	optional ArtApkType apk_type = 10 [deprecated = true];

	// The ISA of the device.
	optional ArtIsa isa = 11;

	// The Garbage Collector used in the Android Runtime.
	optional ArtGcCollectorType gc = 12;

	// The support for userfaultfd and minor fault mode.
	optional ArtUffdSupport uffd_support = 13;
	}

	// ArtDatumDeltaReported is the same as ArtDatumReported, except for the kind field
	// (ArtDatumDeltaId here, ArtDatumId for ArtDatumReported)
	message ArtDatumDeltaReported {
	// The session ID is used to correlate this report with others from the same ART instance.
	optional int64 session_id = 1;

	// The UID of the app that ART is running on behalf of.
	optional int32 uid = 2 [(is_uid) = true];

	// What compiler filter the APK or DEX file was compiled with.
	optional ArtCompileFilter compile_filter = 3;

	// Why the package was compiled the way it was.
	optional ArtCompilationReason compilation_reason = 4;

	// The number of milliseconds since the ART runtime instance was started.
	optional int64 timestamp_millis = 5;

	// What kind of thread (UI or background) this metric corresponds to.
	optional ArtThreadType thread_type = 6 [deprecated = true];

	// Which counter this is that is being reported.
	optional ArtDatumDeltaId kind = 7;

	// The value of the counter.
	optional int64 value = 8;

	// The type of dex metadata
	optional ArtDexMetadataType dex_metadata_type = 9 [deprecated = true];

	// The type of the APK file.
	optional ArtApkType apk_type = 10 [deprecated = true];

	// The ISA of the device.
	optional ArtIsa isa = 11;

	// The Garbage Collector used in the Android Runtime.
	optional ArtGcCollectorType gc = 12;

	// The support for userfaultfd and minor fault mode.
	optional ArtUffdSupport uffd_support = 13;
	}

	/**
	* Logs ART metrics that are device-specific (as opposed to app-specific ones logged by
	* ArtDatumReported).
	*
	* Logged from:
	* art/runtime/metrics/statsd.cc
	*/
	message ArtDeviceDatumReported {
	enum BootImageStatus {
	// Unknown value.
	STATUS_UNSPECIFIED = 0;
	// Boot image(s) are fully usable.
	STATUS_FULL = 1;
	// Only the minimal boot image is usable.
	STATUS_MINIMAL = 2;
	// No boot image is usable.
	STATUS_NONE = 3;
	}

	optional BootImageStatus boot_image_status = 1;
	}

	/**
	* Reports ART metrics that are device-specific (as opposed to app-specific ones logged by
	* ArtDatumReported).
	*/
	message ArtDeviceStatus {
	enum BootImageStatus {
	// Unknown value.
	STATUS_UNSPECIFIED = 0;
	// Boot image(s) are fully usable.
	STATUS_FULL = 1;
	// Only the minimal boot image is usable.
	STATUS_MINIMAL = 2;
	// No boot image is usable.
	STATUS_NONE = 3;
	}
	optional BootImageStatus boot_image_status = 1;
	}