JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / API / JSProfilerPrivate.cpp

diff --git a/API/JSProfilerPrivate.cpp b/API/JSProfilerPrivate.cpp
index 2a5ec2c823901ed9e1bbd824cfa9c63f8a823686..ac112ae6effcc5662aec20f4c8f400d4647d30a7 100644 (file)
--- a/API/JSProfilerPrivate.cpp
+++ b/API/JSProfilerPrivate.cpp
@@ -34,7 +34,11 @@ using namespace JSC;
 
 void JSStartProfiling(JSContextRef ctx, JSStringRef title)
 {
-    LegacyProfiler::profiler()->startProfiling(toJS(ctx), title->string());
+    // Use an independent stopwatch for API-initiated profiling, since the user will expect it
+    // to be relative to when their command was issued.
+    RefPtr<Stopwatch> stopwatch = Stopwatch::create();
+    stopwatch->start();
+    LegacyProfiler::profiler()->startProfiling(toJS(ctx), title->string(), stopwatch.release());
 }
 
 void JSEndProfiling(JSContextRef ctx, JSStringRef title)