From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 16:29:10 +0200
Subject: Adding upstream version 86.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/profiler/tasktracer/GeckoTaskTracerImpl.h | 180 ++++++++++++++++++++++++
 1 file changed, 180 insertions(+)
 create mode 100644 tools/profiler/tasktracer/GeckoTaskTracerImpl.h

(limited to 'tools/profiler/tasktracer/GeckoTaskTracerImpl.h')

diff --git a/tools/profiler/tasktracer/GeckoTaskTracerImpl.h b/tools/profiler/tasktracer/GeckoTaskTracerImpl.h
new file mode 100644
index 0000000000..2b44a0f904
--- /dev/null
+++ b/tools/profiler/tasktracer/GeckoTaskTracerImpl.h
@@ -0,0 +1,180 @@
+/* -*- 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/. */
+
+#ifndef GECKO_TASK_TRACER_IMPL_H
+#define GECKO_TASK_TRACER_IMPL_H
+
+#include "GeckoTaskTracer.h"
+
+#include "mozilla/Mutex.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+namespace tasktracer {
+
+struct LogRecDispatch {
+  uint32_t mType;
+  uint32_t mSourceEventType;
+  uint64_t mTaskId;
+  uint64_t mTime;
+  uint64_t mSourceEventId;
+  uint64_t mParentTaskId;
+};
+
+struct LogRecBegin {
+  uint32_t mType;
+  uint64_t mTaskId;
+  uint64_t mTime;
+  uint32_t mPid;
+  uint32_t mTid;
+};
+
+struct LogRecEnd {
+  uint32_t mType;
+  uint64_t mTaskId;
+  uint64_t mTime;
+};
+
+struct LogRecVPtr {
+  uint32_t mType;
+  uint64_t mTaskId;
+  uintptr_t mVPtr;
+};
+
+struct LogRecLabel {
+  uint32_t mType;
+  uint32_t mStrIdx;
+  uint64_t mTaskId;
+  uint64_t mTime;
+};
+
+union TraceInfoLogType {
+  uint32_t mType;
+  LogRecDispatch mDispatch;
+  LogRecBegin mBegin;
+  LogRecEnd mEnd;
+  LogRecVPtr mVPtr;
+  LogRecLabel mLabel;
+};
+
+struct TraceInfoLogNode {
+  TraceInfoLogType mLog;
+  TraceInfoLogNode* mNext;
+};
+
+struct TraceInfo {
+  explicit TraceInfo(uint32_t aThreadId)
+      : mCurTraceSourceId(0),
+        mCurTaskId(0),
+        mCurTraceSourceType(Unknown),
+        mThreadId(aThreadId),
+        mLastUniqueTaskId(0),
+        mObsolete(false),
+        mLogsMutex("TraceInfoMutex"),
+        mLogsHead(nullptr),
+        mLogsTail(nullptr),
+        mLogsSize(0) {
+    MOZ_COUNT_CTOR(TraceInfo);
+  }
+
+  ~TraceInfo() {
+    MOZ_COUNT_DTOR(TraceInfo);
+    while (mLogsHead) {
+      auto node = mLogsHead;
+      mLogsHead = node->mNext;
+      delete node;
+    }
+  }
+
+  TraceInfoLogType* AppendLog();
+
+  uint64_t mCurTraceSourceId;
+  uint64_t mCurTaskId;
+  SourceEventType mCurTraceSourceType;
+  uint32_t mThreadId;
+  uint32_t mLastUniqueTaskId;
+  mozilla::Atomic<bool> mObsolete;
+
+  // This mutex protects the following log
+  mozilla::Mutex mLogsMutex;
+  TraceInfoLogNode* mLogsHead;
+  TraceInfoLogNode* mLogsTail;
+  int mLogsSize;
+  nsTArray<nsCString> mStrs;
+};
+
+class TraceInfoHolder {
+ public:
+  TraceInfoHolder() : mInfo(nullptr) {}
+  explicit TraceInfoHolder(TraceInfo* aInfo) : mInfo(aInfo) {
+    aInfo->mLogsMutex.AssertNotCurrentThreadOwns();  // in case of recursive
+    aInfo->mLogsMutex.Lock();
+    MOZ_ASSERT(aInfo);
+  }
+  TraceInfoHolder(const TraceInfoHolder& aOther) = delete;
+  TraceInfoHolder(TraceInfoHolder&& aOther) : mInfo(aOther.mInfo) {
+    if (!!aOther) {
+      aOther->mLogsMutex.AssertCurrentThreadOwns();
+    }
+    aOther.mInfo = nullptr;
+  }
+  ~TraceInfoHolder() {
+    if (mInfo) mInfo->mLogsMutex.Unlock();
+  }
+  explicit operator bool() const { return !!mInfo; }
+  TraceInfo* operator->() { return mInfo; }
+  bool operator==(TraceInfo* aOther) const { return mInfo == aOther; }
+  bool operator==(const TraceInfoHolder& aOther) const {
+    return mInfo == aOther.mInfo;
+  }
+  void Reset() {
+    if (mInfo) {
+      mInfo->mLogsMutex.Unlock();
+      mInfo = nullptr;
+    }
+  }
+
+ private:
+  TraceInfo* mInfo;
+};
+
+// Return the TraceInfo of current thread, allocate a new one if not exit.
+TraceInfoHolder GetOrCreateTraceInfo();
+
+uint64_t GenNewUniqueTaskId();
+
+void SetCurTraceInfo(uint64_t aSourceEventId, uint64_t aParentTaskId,
+                     SourceEventType aSourceEventType);
+
+/**
+ * Logging functions of different trace actions.
+ */
+enum ActionType {
+  ACTION_DISPATCH = 0,
+  ACTION_BEGIN,
+  ACTION_END,
+  ACTION_ADD_LABEL,
+  ACTION_GET_VTABLE
+};
+
+void LogDispatch(uint64_t aTaskId, uint64_t aParentTaskId,
+                 uint64_t aSourceEventId, SourceEventType aSourceEventType);
+
+void LogDispatch(uint64_t aTaskId, uint64_t aParentTaskId,
+                 uint64_t aSourceEventId, SourceEventType aSourceEventType,
+                 int aDelayTimeMs);
+
+void LogBegin(uint64_t aTaskId, uint64_t aSourceEventId);
+
+void LogEnd(uint64_t aTaskId, uint64_t aSourceEventId);
+
+void LogVirtualTablePtr(uint64_t aTaskId, uint64_t aSourceEventId,
+                        uintptr_t* aVptr);
+
+}  // namespace tasktracer
+}  // namespace mozilla
+
+#endif
-- 
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