Add m-esr52 at 52.6.0

1 files changed, 107 insertions, 0 deletions

diff --git a/tools/profiler/core/ThreadProfile.h b/tools/profiler/core/ThreadProfile.h
new file mode 100644
index 000000000..ca2bbfe7a
--- /dev/null
+++ b/tools/profiler/core/ThreadProfile.h
@@ -0,0 +1,107 @@
+/* -*- Mode: C++; tab-width: 2; 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/. */
+
+#ifndef MOZ_THREAD_PROFILE_H
+#define MOZ_THREAD_PROFILE_H
+
+#include "ProfileBuffer.h"
+#include "ThreadInfo.h"
+
+class ThreadProfile
+{
+public:
+  ThreadProfile(ThreadInfo* aThreadInfo, ProfileBuffer* aBuffer);
+  virtual ~ThreadProfile();
+  void addTag(const ProfileEntry& aTag);
+
+  /**
+   * Track a marker which has been inserted into the ThreadProfile.
+   * This marker can safely be deleted once the generation has
+   * expired.
+   */
+  void addStoredMarker(ProfilerMarker *aStoredMarker);
+  PseudoStack* GetPseudoStack();
+  ::Mutex& GetMutex();
+  void StreamJSON(SpliceableJSONWriter& aWriter, double aSinceTime = 0);
+
+  /**
+   * Call this method when the JS entries inside the buffer are about to
+   * become invalid, i.e., just before JS shutdown.
+   */
+  void FlushSamplesAndMarkers();
+
+  void BeginUnwind();
+  virtual void EndUnwind();
+  virtual SyncProfile* AsSyncProfile() { return nullptr; }
+
+  bool IsMainThread() const { return mIsMainThread; }
+  const char* Name() const { return mThreadInfo->Name(); }
+  int ThreadId() const { return mThreadId; }
+
+  PlatformData* GetPlatformData() const { return mPlatformData; }
+  void* GetStackTop() const { return mStackTop; }
+  void DuplicateLastSample();
+
+  ThreadInfo* GetThreadInfo() const { return mThreadInfo; }
+#ifndef SPS_STANDALONE
+  ThreadResponsiveness* GetThreadResponsiveness() { return &mRespInfo; }
+#endif
+
+  bool CanInvokeJS() const { return mThreadInfo->CanInvokeJS(); }
+
+  void SetPendingDelete()
+  {
+    mPseudoStack = nullptr;
+    mPlatformData = nullptr;
+  }
+
+  uint32_t bufferGeneration() const {
+    return mBuffer->mGeneration;
+  }
+
+protected:
+  void StreamSamplesAndMarkers(SpliceableJSONWriter& aWriter, double aSinceTime,
+                               UniqueStacks& aUniqueStacks);
+
+private:
+  FRIEND_TEST(ThreadProfile, InsertOneTag);
+  FRIEND_TEST(ThreadProfile, InsertOneTagWithTinyBuffer);
+  FRIEND_TEST(ThreadProfile, InsertTagsNoWrap);
+  FRIEND_TEST(ThreadProfile, InsertTagsWrap);
+  FRIEND_TEST(ThreadProfile, MemoryMeasure);
+  ThreadInfo* mThreadInfo;
+
+  const RefPtr<ProfileBuffer> mBuffer;
+
+  // JS frames in the buffer may require a live JSRuntime to stream (e.g.,
+  // stringifying JIT frames). In the case of JSRuntime destruction,
+  // FlushSamplesAndMarkers should be called to save them. These are spliced
+  // into the final stream.
+  mozilla::UniquePtr<char[]> mSavedStreamedSamples;
+  mozilla::UniquePtr<char[]> mSavedStreamedMarkers;
+  mozilla::Maybe<UniqueStacks> mUniqueStacks;
+
+  PseudoStack*   mPseudoStack;
+  mozilla::UniquePtr<Mutex>  mMutex;
+  int            mThreadId;
+  bool           mIsMainThread;
+  PlatformData*  mPlatformData;  // Platform specific data.
+  void* const    mStackTop;
+#ifndef SPS_STANDALONE
+  ThreadResponsiveness mRespInfo;
+#endif
+
+  // Only Linux is using a signal sender, instead of stopping the thread, so we
+  // need some space to store the data which cannot be collected in the signal
+  // handler code.
+#ifdef XP_LINUX
+public:
+  int64_t        mRssMemory;
+  int64_t        mUssMemory;
+#endif
+};
+
+#endif