| // Copyright 2018 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| syntax = "proto3"; |
| |
| option optimize_for = LITE_RUNTIME; |
| |
| package metrics_event; |
| option go_package = "chromiumos/system_api/metrics_event_proto"; |
| |
| // Content of signals emitted by Chrome (the ChromeEvent signal in the |
| // MetricsEventService) and the anomaly_detector daemon (the AnomalyEvent |
| // signal in the AnomalyEventService) to report events of interest for |
| // measurements. |
| message Event { |
| // Event types. |
| enum Type { |
| TAB_DISCARD = 0; |
| OOM_KILL = 1; // obsolete---use OOM_KILL_BROWSER instead |
| TAB_SWITCH = 2; |
| OOM_KILL_BROWSER = 3; |
| OOM_KILL_KERNEL = 4; |
| } |
| |
| // The type of the event being signaled. |
| Type type = 1; |
| |
| // The time of the event (CLOCK_MONOTONIC in milliseconds). |
| int64 timestamp = 2; |
| } |