1 files changed, 38 insertions, 1 deletions
diff --git a/deps/v8/include/v8-profiler.h b/deps/v8/include/v8-profiler.h
index ada2dbbe5c..672a694e07 100644
--- a/deps/v8/include/v8-profiler.h
+++ b/deps/v8/include/v8-profiler.h
@@ -48,7 +48,7 @@ template class V8_EXPORT std::vector<v8::CpuProfileDeoptInfo>;
 namespace v8 {
 
 // TickSample captures the information collected for each sample.
-struct TickSample {
+struct V8_EXPORT TickSample {
   // Internal profiling (with --prof + tools/$OS-tick-processor) wants to
   // include the runtime function we're calling. Externally exposed tick
   // samples don't care.
@@ -129,6 +129,20 @@ class V8_EXPORT CpuProfileNode {
     unsigned int hit_count;
   };
 
+  // An annotation hinting at the source of a CpuProfileNode.
+  enum SourceType {
+    // User-supplied script with associated resource information.
+    kScript = 0,
+    // Native scripts and provided builtins.
+    kBuiltin = 1,
+    // Callbacks into native code.
+    kCallback = 2,
+    // VM-internal functions or state.
+    kInternal = 3,
+    // A node that failed to symbolize.
+    kUnresolved = 4,
+  };
+
   /** Returns function name (empty string for anonymous functions.) */
   Local<String> GetFunctionName() const;
 
@@ -153,6 +167,12 @@ class V8_EXPORT CpuProfileNode {
   const char* GetScriptResourceNameStr() const;
 
   /**
+   * Return true if the script from where the function originates is flagged as
+   * being shared cross-origin.
+   */
+  bool IsScriptSharedCrossOrigin() const;
+
+  /**
    * Returns the number, 1-based, of the line where the function originates.
    * kNoLineNumberInfo if no line number information is available.
    */
@@ -194,12 +214,20 @@ class V8_EXPORT CpuProfileNode {
   /** Returns id of the node. The id is unique within the tree */
   unsigned GetNodeId() const;
 
+  /**
+   * Gets the type of the source which the node was captured from.
+   */
+  SourceType GetSourceType() const;
+
   /** Returns child nodes count of the node. */
   int GetChildrenCount() const;
 
   /** Retrieves a child node by index. */
   const CpuProfileNode* GetChild(int index) const;
 
+  /** Retrieves the ancestor node, or null if the root. */
+  const CpuProfileNode* GetParent() const;
+
   /** Retrieves deopt infos for the node. */
   const std::vector<CpuProfileDeoptInfo>& GetDeoptInfos() const;
 
@@ -302,6 +330,15 @@ class V8_EXPORT CpuProfiler {
   void SetSamplingInterval(int us);
 
   /**
+   * Sets whether or not the profiler should prioritize consistency of sample
+   * periodicity on Windows. Disabling this can greatly reduce CPU usage, but
+   * may result in greater variance in sample timings from the platform's
+   * scheduler. Defaults to enabled. This method must be called when there are
+   * no profiles being recorded.
+   */
+  void SetUsePreciseSampling(bool);
+
+  /**
    * Starts collecting CPU profile. Title may be an empty string. It
    * is allowed to have several profiles being collected at
    * once. Attempts to start collecting several profiles with the same