1 files changed, 169 insertions, 0 deletions
diff --git a/tools/profiler/tasktracer/TracedTaskCommon.cpp b/tools/profiler/tasktracer/TracedTaskCommon.cpp
new file mode 100644
index 000000000..770eb202c
--- /dev/null
+++ b/tools/profiler/tasktracer/TracedTaskCommon.cpp
@@ -0,0 +1,169 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "GeckoTaskTracerImpl.h"
+#include "TracedTaskCommon.h"
+
+// NS_ENSURE_TRUE_VOID() without the warning on the debug build.
+#define ENSURE_TRUE_VOID(x)   \
+  do {                        \
+    if (MOZ_UNLIKELY(!(x))) { \
+       return;                \
+    }                         \
+  } while(0)
+
+namespace mozilla {
+namespace tasktracer {
+
+TracedTaskCommon::TracedTaskCommon()
+  : mSourceEventType(SourceEventType::Unknown)
+  , mSourceEventId(0)
+  , mParentTaskId(0)
+  , mTaskId(0)
+  , mIsTraceInfoInit(false)
+{
+}
+
+TracedTaskCommon::~TracedTaskCommon()
+{
+}
+
+void
+TracedTaskCommon::Init()
+{
+  TraceInfo* info = GetOrCreateTraceInfo();
+  ENSURE_TRUE_VOID(info);
+
+  mTaskId = GenNewUniqueTaskId();
+  mSourceEventId = info->mCurTraceSourceId;
+  mSourceEventType = info->mCurTraceSourceType;
+  mParentTaskId = info->mCurTaskId;
+  mIsTraceInfoInit = true;
+}
+
+void
+TracedTaskCommon::DispatchTask(int aDelayTimeMs)
+{
+  LogDispatch(mTaskId, mParentTaskId, mSourceEventId, mSourceEventType,
+              aDelayTimeMs);
+}
+
+void
+TracedTaskCommon::GetTLSTraceInfo()
+{
+  TraceInfo* info = GetOrCreateTraceInfo();
+  ENSURE_TRUE_VOID(info);
+
+  mSourceEventType = info->mCurTraceSourceType;
+  mSourceEventId = info->mCurTraceSourceId;
+  mTaskId = info->mCurTaskId;
+  mIsTraceInfoInit = true;
+}
+
+void
+TracedTaskCommon::SetTLSTraceInfo()
+{
+  TraceInfo* info = GetOrCreateTraceInfo();
+  ENSURE_TRUE_VOID(info);
+
+  if (mIsTraceInfoInit) {
+    info->mCurTraceSourceId = mSourceEventId;
+    info->mCurTraceSourceType = mSourceEventType;
+    info->mCurTaskId = mTaskId;
+  }
+}
+
+void
+TracedTaskCommon::ClearTLSTraceInfo()
+{
+  TraceInfo* info = GetOrCreateTraceInfo();
+  ENSURE_TRUE_VOID(info);
+
+  info->mCurTraceSourceId = 0;
+  info->mCurTraceSourceType = SourceEventType::Unknown;
+  info->mCurTaskId = 0;
+}
+
+/**
+ * Implementation of class TracedRunnable.
+ */
+TracedRunnable::TracedRunnable(already_AddRefed<nsIRunnable>&& aOriginalObj)
+  : TracedTaskCommon()
+  , mOriginalObj(Move(aOriginalObj))
+{
+  Init();
+  LogVirtualTablePtr(mTaskId, mSourceEventId, reinterpret_cast<uintptr_t*>(mOriginalObj.get()));
+}
+
+TracedRunnable::~TracedRunnable()
+{
+}
+
+NS_IMETHODIMP
+TracedRunnable::Run()
+{
+  SetTLSTraceInfo();
+  LogBegin(mTaskId, mSourceEventId);
+  nsresult rv = mOriginalObj->Run();
+  LogEnd(mTaskId, mSourceEventId);
+  ClearTLSTraceInfo();
+
+  return rv;
+}
+
+/**
+ * Implementation of class TracedTask.
+ */
+TracedTask::TracedTask(Task* aOriginalObj)
+  : TracedTaskCommon()
+  , mOriginalObj(aOriginalObj)
+{
+  Init();
+  LogVirtualTablePtr(mTaskId, mSourceEventId, reinterpret_cast<uintptr_t*>(aOriginalObj));
+}
+
+TracedTask::~TracedTask()
+{
+  if (mOriginalObj) {
+    delete mOriginalObj;
+    mOriginalObj = nullptr;
+  }
+}
+
+void
+TracedTask::Run()
+{
+  SetTLSTraceInfo();
+  LogBegin(mTaskId, mSourceEventId);
+  mOriginalObj->Run();
+  LogEnd(mTaskId, mSourceEventId);
+  ClearTLSTraceInfo();
+}
+
+/**
+ * CreateTracedRunnable() returns a TracedRunnable wrapping the original
+ * nsIRunnable object, aRunnable.
+ */
+already_AddRefed<nsIRunnable>
+CreateTracedRunnable(already_AddRefed<nsIRunnable>&& aRunnable)
+{
+  nsCOMPtr<nsIRunnable> runnable = new TracedRunnable(Move(aRunnable));
+  return runnable.forget();
+}
+
+/**
+ * CreateTracedTask() returns a TracedTask wrapping the original Task object,
+ * aTask.
+ */
+Task*
+CreateTracedTask(Task* aTask)
+{
+  Task* task = new TracedTask(aTask);
+  return task;
+}
+
+} // namespace tasktracer
+} // namespace mozilla