blob: f540256970ac00301fb699edb577e2c50f0dd133 [file] [log] [blame]
/*
* Copyright (C) 2015 Apple 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 APPLE 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 APPLE 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.
*/
// FIXME: HeapManager lacks advanced multi-target support. (Instruments/Profilers per-target)
WI.HeapManager = class HeapManager extends WI.Object
{
constructor()
{
super();
this._enabled = false;
}
// Agent
get domains() { return ["Heap"]; }
activateExtraDomain(domain)
{
console.assert(domain === "Heap");
for (let target of WI.targets)
this.initializeTarget(target);
}
// Target
initializeTarget(target)
{
if (!this._enabled)
return;
if (target.HeapAgent)
target.HeapAgent.enable();
}
// Public
enable()
{
if (this._enabled)
return;
this._enabled = true;
for (let target of WI.targets)
this.initializeTarget(target);
}
disable()
{
if (!this._enabled)
return;
for (let target of WI.targets) {
if (target.HeapAgent)
target.HeapAgent.disable();
}
this._enabled = false;
}
snapshot(callback)
{
console.assert(this._enabled);
console.assert(window.HeapAgent);
HeapAgent.snapshot((error, timestamp, snapshotStringData) => {
if (error)
WI.reportInternalError(error);
callback(error, timestamp, snapshotStringData);
});
}
getPreview(node, callback)
{
console.assert(this._enabled);
console.assert(window.HeapAgent);
console.assert(node instanceof WI.HeapSnapshotNodeProxy);
HeapAgent.getPreview(node.id, (error, string, functionDetails, preview) => {
if (error)
WI.reportInternalError(error);
callback(error, string, functionDetails, preview);
});
}
getRemoteObject(node, objectGroup, callback)
{
console.assert(this._enabled);
console.assert(window.HeapAgent);
console.assert(node instanceof WI.HeapSnapshotNodeProxy);
HeapAgent.getRemoteObject(node.id, objectGroup, (error, result) => {
if (error)
WI.reportInternalError(error);
callback(error, result);
});
}
// HeapObserver
garbageCollected(target, payload)
{
if (!this._enabled)
return;
// FIXME: <https://webkit.org/b/167323> Web Inspector: Enable Memory profiling in Workers
if (target !== WI.mainTarget)
return;
let collection = WI.GarbageCollection.fromPayload(payload);
this.dispatchEventToListeners(WI.HeapManager.Event.GarbageCollected, {collection});
}
};
WI.HeapManager.Event = {
GarbageCollected: "heap-manager-garbage-collected"
};