diff options
Diffstat (limited to 'chromium/v8/include/v8-profiler.h')
| -rw-r--r-- | chromium/v8/include/v8-profiler.h | 115 |
1 files changed, 42 insertions, 73 deletions
diff --git a/chromium/v8/include/v8-profiler.h b/chromium/v8/include/v8-profiler.h index 7898fef1967..217a938329e 100644 --- a/chromium/v8/include/v8-profiler.h +++ b/chromium/v8/include/v8-profiler.h @@ -30,36 +30,6 @@ #include "v8.h" -#ifdef _WIN32 -// Setup for Windows DLL export/import. See v8.h in this directory for -// information on how to build/use V8 as a DLL. -#if defined(BUILDING_V8_SHARED) && defined(USING_V8_SHARED) -#error both BUILDING_V8_SHARED and USING_V8_SHARED are set - please check the\ - build configuration to ensure that at most one of these is set -#endif - -#ifdef BUILDING_V8_SHARED -#define V8EXPORT __declspec(dllexport) -#elif USING_V8_SHARED -#define V8EXPORT __declspec(dllimport) -#else -#define V8EXPORT -#endif - -#else // _WIN32 - -// Setup for Linux shared library export. See v8.h in this directory for -// information on how to build/use V8 as shared library. -#if defined(__GNUC__) && ((__GNUC__ >= 4) || \ - (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(V8_SHARED) -#define V8EXPORT __attribute__ ((visibility("default"))) -#else -#define V8EXPORT -#endif - -#endif // _WIN32 - - /** * Profiler support for the V8 JavaScript engine. */ @@ -70,7 +40,7 @@ typedef uint32_t SnapshotObjectId; /** * CpuProfileNode represents a node in a call graph. */ -class V8EXPORT CpuProfileNode { +class V8_EXPORT CpuProfileNode { public: /** Returns function name (empty string for anonymous functions.) */ Handle<String> GetFunctionName() const; @@ -87,23 +57,20 @@ class V8EXPORT CpuProfileNode { */ int GetLineNumber() const; - /** - * Returns total (self + children) execution time of the function, - * in milliseconds, estimated by samples count. - */ - double GetTotalTime() const; - - /** - * Returns self execution time of the function, in milliseconds, - * estimated by samples count. - */ - double GetSelfTime() const; + /** Returns bailout reason for the function + * if the optimization was disabled for it. + */ + const char* GetBailoutReason() const; - /** Returns the count of samples where function exists. */ - double GetTotalSamplesCount() const; + /** DEPRECATED. Please use GetHitCount instead. + * Returns the count of samples where function was currently executing. + */ + V8_DEPRECATED(double GetSelfSamplesCount() const); - /** Returns the count of samples where function was currently executing. */ - double GetSelfSamplesCount() const; + /** + * Returns the count of samples where the function was currently executing. + */ + unsigned GetHitCount() const; /** Returns function entry UID. */ unsigned GetCallUid() const; @@ -125,7 +92,7 @@ class V8EXPORT CpuProfileNode { * CpuProfile contains a CPU profile in a form of top-down call tree * (from main() down to functions that do all the work). */ -class V8EXPORT CpuProfile { +class V8_EXPORT CpuProfile { public: /** Returns CPU profile UID (assigned by the profiler.) */ unsigned GetUid() const; @@ -176,16 +143,14 @@ class V8EXPORT CpuProfile { * Interface for controlling CPU profiling. Instance of the * profiler can be retrieved using v8::Isolate::GetCpuProfiler. */ -class V8EXPORT CpuProfiler { +class V8_EXPORT CpuProfiler { public: /** - * A note on security tokens usage. As scripts from different - * origins can run inside a single V8 instance, it is possible to - * have functions from different security contexts intermixed in a - * single CPU profile. To avoid exposing function names belonging to - * other contexts, filtering by security token is performed while - * obtaining profiling results. + * Changes default CPU profiler sampling interval to the specified number + * of microseconds. Default interval is 1000us. This method must be called + * when there are no profiles being recorded. */ + void SetSamplingInterval(int us); /** * Returns the number of profiles collected (doesn't include @@ -222,6 +187,11 @@ class V8EXPORT CpuProfiler { */ void DeleteAllCpuProfiles(); + /** + * Tells the profiler whether the embedder is idle. + */ + void SetIdle(bool is_idle); + private: CpuProfiler(); ~CpuProfiler(); @@ -237,7 +207,7 @@ class HeapGraphNode; * HeapSnapshotEdge represents a directed connection between heap * graph nodes: from retainers to retained nodes. */ -class V8EXPORT HeapGraphEdge { +class V8_EXPORT HeapGraphEdge { public: enum Type { kContextVariable = 0, // A variable from a function context. @@ -273,20 +243,22 @@ class V8EXPORT HeapGraphEdge { /** * HeapGraphNode represents a node in a heap graph. */ -class V8EXPORT HeapGraphNode { +class V8_EXPORT HeapGraphNode { public: enum Type { - kHidden = 0, // Hidden node, may be filtered when shown to user. - kArray = 1, // An array of elements. - kString = 2, // A string. - kObject = 3, // A JS object (except for arrays and strings). - kCode = 4, // Compiled code. - kClosure = 5, // Function closure. - kRegExp = 6, // RegExp. - kHeapNumber = 7, // Number stored in the heap. - kNative = 8, // Native object (not from V8 heap). - kSynthetic = 9 // Synthetic object, usualy used for grouping - // snapshot items together. + kHidden = 0, // Hidden node, may be filtered when shown to user. + kArray = 1, // An array of elements. + kString = 2, // A string. + kObject = 3, // A JS object (except for arrays and strings). + kCode = 4, // Compiled code. + kClosure = 5, // Function closure. + kRegExp = 6, // RegExp. + kHeapNumber = 7, // Number stored in the heap. + kNative = 8, // Native object (not from V8 heap). + kSynthetic = 9, // Synthetic object, usualy used for grouping + // snapshot items together. + kConsString = 10, // Concatenated string. A pair of pointers to strings. + kSlicedString = 11 // Sliced string. A fragment of another string. }; /** Returns node type (see HeapGraphNode::Type). */ @@ -325,7 +297,7 @@ class V8EXPORT HeapGraphNode { /** * HeapSnapshots record the state of the JS heap at some moment. */ -class V8EXPORT HeapSnapshot { +class V8_EXPORT HeapSnapshot { public: enum SerializationFormat { kJSON = 0 // See format description near 'Serialize' method. @@ -395,7 +367,7 @@ class RetainedObjectInfo; * Interface for controlling heap profiling. Instance of the * profiler can be retrieved using v8::Isolate::GetHeapProfiler. */ -class V8EXPORT HeapProfiler { +class V8_EXPORT HeapProfiler { public: /** * Callback function invoked for obtaining RetainedObjectInfo for @@ -533,7 +505,7 @@ class V8EXPORT HeapProfiler { * keeps them alive only during snapshot collection. Afterwards, they * are freed by calling the Dispose class function. */ -class V8EXPORT RetainedObjectInfo { // NOLINT +class V8_EXPORT RetainedObjectInfo { // NOLINT public: /** Called by V8 when it no longer needs an instance. */ virtual void Dispose() = 0; @@ -599,7 +571,4 @@ struct HeapStatsUpdate { } // namespace v8 -#undef V8EXPORT - - #endif // V8_V8_PROFILER_H_ |