#15 Add a button in devtools to start/stop the Sampling Profiler

Differential Revision: D3555704

fbshipit-source-id: 4add16c923fcfd306892efec4630c24ae438d6dd

ReactCommon/cxxreact/JSCSamplingProfiler.cpp

@@ -4,13 +4,30 @@
 
 #include "JSCSamplingProfiler.h"
 
+#include <stdio.h>
+#include <string.h>
 #include <JavaScriptCore/API/JSProfilerPrivate.h>
+#include "JSCHelpers.h"
+
+#include "Value.h"
 
 namespace facebook {
 namespace react {
+namespace {
+static JSValueRef pokeSamplingProfiler(
+    JSContextRef ctx,
+    JSObjectRef function,
+    JSObjectRef thisObject,
+    size_t argumentCount,
+    const JSValueRef arguments[],
+    JSValueRef* exception) {
+  return JSPokeSamplingProfiler(ctx);
+}
+}
 
 void initSamplingProfilerOnMainJSCThread(JSGlobalContextRef ctx) {
   JSStartSamplingProfilingOnMainJSCThread(ctx);
+  installGlobalFunction(ctx, "pokeSamplingProfiler", pokeSamplingProfiler);
 }
 
 }