1// Copyright (C) 2022 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import m from 'mithril'; 16 17import {Probe, ProbeAttrs, Slider, SliderAttrs} from '../record_widgets'; 18import {POLL_INTERVAL_MS, RecordingSectionAttrs} from './recording_sections'; 19 20export class CpuSettings implements m.ClassComponent<RecordingSectionAttrs> { 21 view({attrs}: m.CVnode<RecordingSectionAttrs>) { 22 return m( 23 `.record-section${attrs.cssClass}`, 24 m(Probe, 25 { 26 title: 'Coarse CPU usage counter', 27 img: 'rec_cpu_coarse.png', 28 descr: `Lightweight polling of CPU usage counters via /proc/stat. 29 Allows to periodically monitor CPU usage.`, 30 setEnabled: (cfg, val) => cfg.cpuCoarse = val, 31 isEnabled: (cfg) => cfg.cpuCoarse, 32 } as ProbeAttrs, 33 m(Slider, { 34 title: 'Poll interval', 35 cssClass: '.thin', 36 values: POLL_INTERVAL_MS, 37 unit: 'ms', 38 set: (cfg, val) => cfg.cpuCoarsePollMs = val, 39 get: (cfg) => cfg.cpuCoarsePollMs, 40 } as SliderAttrs)), 41 m(Probe, { 42 title: 'Scheduling details', 43 img: 'rec_cpu_fine.png', 44 descr: 'Enables high-detailed tracking of scheduling events', 45 setEnabled: (cfg, val) => cfg.cpuSched = val, 46 isEnabled: (cfg) => cfg.cpuSched, 47 } as ProbeAttrs), 48 m(Probe, 49 { 50 title: 'CPU frequency and idle states', 51 img: 'rec_cpu_freq.png', 52 descr: 53 'Records cpu frequency and idle state changes via ftrace and sysfs', 54 setEnabled: (cfg, val) => cfg.cpuFreq = val, 55 isEnabled: (cfg) => cfg.cpuFreq, 56 } as ProbeAttrs, 57 m(Slider, { 58 title: 'Sysfs poll interval', 59 cssClass: '.thin', 60 values: POLL_INTERVAL_MS, 61 unit: 'ms', 62 set: (cfg, val) => cfg.cpuFreqPollMs = val, 63 get: (cfg) => cfg.cpuFreqPollMs, 64 } as SliderAttrs)), 65 m(Probe, { 66 title: 'Syscalls', 67 img: 'rec_syscalls.png', 68 descr: `Tracks the enter and exit of all syscalls. On Android 69 requires a userdebug or eng build.`, 70 setEnabled: (cfg, val) => cfg.cpuSyscall = val, 71 isEnabled: (cfg) => cfg.cpuSyscall, 72 } as ProbeAttrs)); 73 } 74} 75