Changeset 214336 in webkit for trunk/Source/JavaScriptCore/runtime/SamplingProfiler.h

Timestamp:

Mar 23, 2017, 10:31:51 PM (8 years ago)

Author:

Yusuke Suzuki

Message:

[JSC] Use WeakRandom for SamplingProfiler interval fluctuation
​https://bugs.webkit.org/show_bug.cgi?id=170045

Reviewed by Mark Lam.

It is unnecessary to use cryptographicallyRandomNumber for SamplingProfiler
interval fluctuation. Use WeakRandom instead.

• runtime/SamplingProfiler.cpp:

(JSC::SamplingProfiler::SamplingProfiler):
(JSC::SamplingProfiler::timerLoop):

• runtime/SamplingProfiler.h:

File:

• trunk/Source/JavaScriptCore/runtime/SamplingProfiler.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/runtime/SamplingProfiler.h

@@ -36 +36 @@
 #include <wtf/Stopwatch.h>
 #include <wtf/Vector.h>
+#include <wtf/WeakRandom.h>
 
 namespace JSC {
@@ -191 +192 @@
 
     VM& m_vm;
+    WeakRandom m_weakRandom;
     RefPtr<Stopwatch> m_stopwatch;
     Vector<StackTrace> m_stackTraces;