| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| syntax = "proto2"; |
| |
| option java_multiple_files = true; |
| option java_outer_classname = "CpuFreqProto"; |
| |
| package android.os; |
| |
| // cpu frequency time from /sys/devices/system/cpu/cpufreq/all_time_in_state |
| message CpuFreq { |
| |
| optional int32 jiffy_hz = 1; // obtain by system config. |
| |
| repeated CpuFreqStats cpu_freqs = 2; |
| } |
| |
| // frequency time pre cpu, unit in jiffy, TODO: obtain jiffies. |
| message CpuFreqStats { |
| |
| optional string cpu_name = 1; |
| |
| message TimeInState { |
| optional int32 state_khz = 1; // cpu frequency |
| optional int64 time_jiffy = 2; // number of jiffies |
| } |
| repeated TimeInState times = 2; |
| } |