1 // Copyright 2018 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 syntax = "proto3"; 6 7 option optimize_for = LITE_RUNTIME; 8 9 package metrics_event; 10 11 // Content of signals emitted by Chrome (the ChromeEvent signal in the 12 // MetricsEventService) and the anomaly_collector daemon (the AnomalyEvent 13 // signal in the AnomalyEventService) to report events of interest for 14 // measurements. 15 message Event { 16 // Event types. 17 enum Type { 18 TAB_DISCARD = 0; 19 OOM_KILL = 1; // obsolete---use OOM_KILL_BROWSER instead 20 TAB_SWITCH = 2; 21 OOM_KILL_BROWSER = 3; 22 OOM_KILL_KERNEL = 4; 23 } 24 25 // The type of the event being signaled. 26 Type type = 1; 27 28 // The time of the event (CLOCK_MONOTONIC in milliseconds). 29 int64 timestamp = 2; 30 } 31
