diff --git a/dom/media/Tracing.cpp b/dom/media/Tracing.cpp
index 35902c264da0..faeca53eb929 100644
--- a/dom/media/Tracing.cpp
+++ b/dom/media/Tracing.cpp
@@ -40,7 +40,6 @@ AutoTracer::PrintEvent(const char* aName,
 void
 AutoTracer::PrintBudget(const char* aName,
                         const char* aCategory,
-                        const char* aComment,
                         uint64_t aDuration,
                         uint64_t aPID,
                         uint64_t aThread,
@@ -70,7 +69,7 @@ AutoTracer::AutoTracer(AsyncLogger& aLogger,
 
   if (aLogger.Enabled()) {
     float durationUS = (static_cast<float>(aFrames) / aSampleRate) * 1e6;
-    PrintBudget(aLocation, "perf", mComment, durationUS, mPID, mTID, aFrames);
+    PrintBudget(aLocation, "perf", durationUS, mPID, mTID, aFrames, aSampleRate);
   }
 }
 
diff --git a/dom/media/Tracing.h b/dom/media/Tracing.h
index 7ce5498f9da0..f61d6aa6041d 100644
--- a/dom/media/Tracing.h
+++ b/dom/media/Tracing.h
@@ -79,8 +79,8 @@ public:
              uint64_t aPID,
              uint64_t aTID,
              EventType aEventType,
-             uint64_t aSampleRate,
-             uint64_t aFrames);
+             uint64_t aFrames,
+             uint64_t aSampleRate);
   ~AutoTracer();
 private:
   uint64_t NowInUs();
@@ -108,7 +108,6 @@ private:
 
   void PrintBudget(const char* aName,
                    const char* aCategory,
-                   const char* aComment,
                    uint64_t aDuration,
                    uint64_t aPID,
                    uint64_t aThread,