summaryrefslogtreecommitdiffstats
path: root/docshell/base/timeline/TimelineMarker.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /docshell/base/timeline/TimelineMarker.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'docshell/base/timeline/TimelineMarker.cpp')
-rw-r--r--docshell/base/timeline/TimelineMarker.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/docshell/base/timeline/TimelineMarker.cpp b/docshell/base/timeline/TimelineMarker.cpp
new file mode 100644
index 000000000..b83e9ceb4
--- /dev/null
+++ b/docshell/base/timeline/TimelineMarker.cpp
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "TimelineMarker.h"
+
+namespace mozilla {
+
+TimelineMarker::TimelineMarker(const char* aName,
+ MarkerTracingType aTracingType,
+ MarkerStackRequest aStackRequest)
+ : AbstractTimelineMarker(aName, aTracingType)
+{
+ CaptureStackIfNecessary(aTracingType, aStackRequest);
+}
+
+TimelineMarker::TimelineMarker(const char* aName,
+ const TimeStamp& aTime,
+ MarkerTracingType aTracingType,
+ MarkerStackRequest aStackRequest)
+ : AbstractTimelineMarker(aName, aTime, aTracingType)
+{
+ CaptureStackIfNecessary(aTracingType, aStackRequest);
+}
+
+void
+TimelineMarker::AddDetails(JSContext* aCx, dom::ProfileTimelineMarker& aMarker)
+{
+ if (GetTracingType() == MarkerTracingType::START) {
+ aMarker.mProcessType.Construct(GetProcessType());
+ aMarker.mIsOffMainThread.Construct(IsOffMainThread());
+ }
+}
+
+JSObject*
+TimelineMarker::GetStack()
+{
+ if (mStackTrace.initialized()) {
+ return mStackTrace;
+ }
+ return nullptr;
+}
+
+void
+TimelineMarker::CaptureStack()
+{
+ JSContext* ctx = nsContentUtils::GetCurrentJSContext();
+ if (ctx) {
+ JS::RootedObject stack(ctx);
+ if (JS::CaptureCurrentStack(ctx, &stack)) {
+ mStackTrace.init(ctx, stack.get());
+ } else {
+ JS_ClearPendingException(ctx);
+ }
+ }
+}
+
+void
+TimelineMarker::CaptureStackIfNecessary(MarkerTracingType aTracingType,
+ MarkerStackRequest aStackRequest)
+{
+ if ((aTracingType == MarkerTracingType::START ||
+ aTracingType == MarkerTracingType::TIMESTAMP) &&
+ aStackRequest != MarkerStackRequest::NO_STACK) {
+ CaptureStack();
+ }
+}
+
+} // namespace mozilla