[registry] Add aggregation_type field to ReportDefinition
Change-Id: I8b455a8258f1c48d4d8bf89576d48e260c45b6e1
diff --git a/config/report_definition.proto b/config/report_definition.proto
index e0c104d..62bee14 100644
--- a/config/report_definition.proto
+++ b/config/report_definition.proto
@@ -287,6 +287,7 @@
// - candidate_list # All known component names.
// - candidate_file # File with all known component names.
// - window_size # A list of window sizes in days
+ // - aggregation_type # How numeric values should be aggregated on-device
//
// Report row type: PerDeviceNumericStatsReportRow.
// (See report_row.proto)
@@ -414,6 +415,29 @@
// with the same ObservationMetadata.
uint32 reporting_threshold = 13;
+ // How to aggregate numeric values on a device.
+ enum OnDeviceAggregationType {
+ // Sum the values.
+ SUM = 0;
+
+ // Take the minimum value.
+ MIN = 1;
+
+ // Take the maximum value.
+ MAX = 2;
+ }
+
+ // This field is required for the PER_DEVICE_NUMERIC_STATS report type.
+ // It is not used with any other report type.
+ //
+ // Used to specify how numeric values should be aggregated on-device.
+ // If SUM is chosen, each device will generate an Observation containing
+ // the sum of logged numeric values over a specified aggregation window.
+ // If MIN (resp., MAX) is chosen, an Observation for this report will
+ // contain the minimum (resp., maximum) numeric value logged during the
+ // aggregation window.
+ OnDeviceAggregationType aggregation_type = 14;
+
/////////////////// Fields used by all metric types ///////////////////
// The list of SystemProfileFields to include in each row of the report.
