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/*
* Copyright (C) 2014 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC.
* OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @implements {Protocol.ProfilerDispatcher}
* @unrestricted
*/
SDK.CPUProfilerModel = class extends SDK.SDKModel {
/**
* @param {!SDK.Target} target
*/
constructor(target) {
super(SDK.CPUProfilerModel, target);
this._isRecording = false;
target.registerProfilerDispatcher(this);
target.profilerAgent().enable();
this._configureCpuProfilerSamplingInterval();
Common.moduleSetting('highResolutionCpuProfiling')
.addChangeListener(this._configureCpuProfilerSamplingInterval, this);
}
_configureCpuProfilerSamplingInterval() {
var intervalUs = Common.moduleSetting('highResolutionCpuProfiling').get() ? 100 : 1000;
this.target().profilerAgent().setSamplingInterval(intervalUs);
}
/**
* @override
* @param {string} id
* @param {!Protocol.Debugger.Location} scriptLocation
* @param {string=} title
*/
consoleProfileStarted(id, scriptLocation, title) {
this._dispatchProfileEvent(SDK.CPUProfilerModel.Events.ConsoleProfileStarted, id, scriptLocation, title);
}
/**
* @override
* @param {string} id
* @param {!Protocol.Debugger.Location} scriptLocation
* @param {!Protocol.Profiler.Profile} cpuProfile
* @param {string=} title
*/
consoleProfileFinished(id, scriptLocation, cpuProfile, title) {
this._dispatchProfileEvent(
SDK.CPUProfilerModel.Events.ConsoleProfileFinished, id, scriptLocation, title, cpuProfile);
}
/**
* @param {symbol} eventName
* @param {string} id
* @param {!Protocol.Debugger.Location} scriptLocation
* @param {string=} title
* @param {!Protocol.Profiler.Profile=} cpuProfile
*/
_dispatchProfileEvent(eventName, id, scriptLocation, title, cpuProfile) {
// Make sure ProfilesPanel is initialized and CPUProfileType is created.
self.runtime.loadModulePromise('profiler').then(_ => {
var debuggerModel =
/** @type {!SDK.DebuggerModel} */ (SDK.DebuggerModel.fromTarget(this.target()));
var debuggerLocation = SDK.DebuggerModel.Location.fromPayload(debuggerModel, scriptLocation);
var globalId = this.target().id() + '.' + id;
var data = /** @type {!SDK.CPUProfilerModel.EventData} */ (
{id: globalId, scriptLocation: debuggerLocation, cpuProfile: cpuProfile, title: title});
this.dispatchEventToListeners(eventName, data);
});
}
/**
* @return {boolean}
*/
isRecordingProfile() {
return this._isRecording;
}
startRecording() {
this._isRecording = true;
this.target().profilerAgent().start();
Host.userMetrics.actionTaken(Host.UserMetrics.Action.ProfilesCPUProfileTaken);
}
/**
* @return {!Promise.<?Protocol.Profiler.Profile>}
*/
stopRecording() {
/**
* @param {?Protocol.Error} error
* @param {?Protocol.Profiler.Profile} profile
* @return {?Protocol.Profiler.Profile}
*/
function extractProfile(error, profile) {
return !error && profile ? profile : null;
}
this._isRecording = false;
return this.target().profilerAgent().stop(extractProfile);
}
/**
* @override
*/
dispose() {
Common.moduleSetting('highResolutionCpuProfiling')
.removeChangeListener(this._configureCpuProfilerSamplingInterval, this);
}
};
/** @enum {symbol} */
SDK.CPUProfilerModel.Events = {
ConsoleProfileStarted: Symbol('ConsoleProfileStarted'),
ConsoleProfileFinished: Symbol('ConsoleProfileFinished')
};
/** @typedef {!{id: string, scriptLocation: !SDK.DebuggerModel.Location, title: (string|undefined), cpuProfile: (!Protocol.Profiler.Profile|undefined)}} */
SDK.CPUProfilerModel.EventData;
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