/src/mozilla-central/docshell/base/timeline/TimelineMarker.cpp
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "TimelineMarker.h" |
8 | | |
9 | | namespace mozilla { |
10 | | |
11 | | TimelineMarker::TimelineMarker(const char* aName, |
12 | | MarkerTracingType aTracingType, |
13 | | MarkerStackRequest aStackRequest) |
14 | | : AbstractTimelineMarker(aName, aTracingType) |
15 | 0 | { |
16 | 0 | CaptureStackIfNecessary(aTracingType, aStackRequest); |
17 | 0 | } |
18 | | |
19 | | TimelineMarker::TimelineMarker(const char* aName, |
20 | | const TimeStamp& aTime, |
21 | | MarkerTracingType aTracingType, |
22 | | MarkerStackRequest aStackRequest) |
23 | | : AbstractTimelineMarker(aName, aTime, aTracingType) |
24 | 0 | { |
25 | 0 | CaptureStackIfNecessary(aTracingType, aStackRequest); |
26 | 0 | } |
27 | | |
28 | | void |
29 | | TimelineMarker::AddDetails(JSContext* aCx, dom::ProfileTimelineMarker& aMarker) |
30 | 0 | { |
31 | 0 | if (GetTracingType() == MarkerTracingType::START) { |
32 | 0 | aMarker.mProcessType.Construct(GetProcessType()); |
33 | 0 | aMarker.mIsOffMainThread.Construct(IsOffMainThread()); |
34 | 0 | } |
35 | 0 | } |
36 | | |
37 | | JSObject* |
38 | | TimelineMarker::GetStack() |
39 | 0 | { |
40 | 0 | if (mStackTrace.initialized()) { |
41 | 0 | return mStackTrace; |
42 | 0 | } |
43 | 0 | return nullptr; |
44 | 0 | } |
45 | | |
46 | | void |
47 | | TimelineMarker::CaptureStack() |
48 | 0 | { |
49 | 0 | JSContext* ctx = nsContentUtils::GetCurrentJSContext(); |
50 | 0 | if (ctx) { |
51 | 0 | JS::RootedObject stack(ctx); |
52 | 0 | if (JS::CaptureCurrentStack(ctx, &stack)) { |
53 | 0 | mStackTrace.init(ctx, stack.get()); |
54 | 0 | } else { |
55 | 0 | JS_ClearPendingException(ctx); |
56 | 0 | } |
57 | 0 | } |
58 | 0 | } |
59 | | |
60 | | void |
61 | | TimelineMarker::CaptureStackIfNecessary(MarkerTracingType aTracingType, |
62 | | MarkerStackRequest aStackRequest) |
63 | 0 | { |
64 | 0 | if ((aTracingType == MarkerTracingType::START || |
65 | 0 | aTracingType == MarkerTracingType::TIMESTAMP) && |
66 | 0 | aStackRequest != MarkerStackRequest::NO_STACK) { |
67 | 0 | CaptureStack(); |
68 | 0 | } |
69 | 0 | } |
70 | | |
71 | | } // namespace mozilla |