diff --git a/services/audioflinger/FastCapture.cpp b/services/audioflinger/FastCapture.cpp
index d202169..873a9ad 100644
--- a/services/audioflinger/FastCapture.cpp
+++ b/services/audioflinger/FastCapture.cpp
@@ -31,7 +31,7 @@
 
 /*static*/ const FastCaptureState FastCapture::sInitial;
 
-FastCapture::FastCapture() : FastThread(),
+FastCapture::FastCapture() : FastThread("cycleC_ms", "loadC_us"),
     mInputSource(NULL), mInputSourceGen(0), mPipeSink(NULL), mPipeSinkGen(0),
     mReadBuffer(NULL), mReadBufferState(-1), mFormat(Format_Invalid), mSampleRate(0),
     // mDummyDumpState
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index 01f3939..b0780a4 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -46,7 +46,7 @@
 
 /*static*/ const FastMixerState FastMixer::sInitial;
 
-FastMixer::FastMixer() : FastThread(),
+FastMixer::FastMixer() : FastThread("cycle_ms", "load_us"),
     // mFastTrackNames
     // mGenerations
     mOutputSink(NULL),
diff --git a/services/audioflinger/FastThread.cpp b/services/audioflinger/FastThread.cpp
index 5ca579b..8da54b0 100644
--- a/services/audioflinger/FastThread.cpp
+++ b/services/audioflinger/FastThread.cpp
@@ -35,7 +35,7 @@
 
 namespace android {
 
-FastThread::FastThread() : Thread(false /*canCallJava*/),
+FastThread::FastThread(const char *cycleMs, const char *loadUs) : Thread(false /*canCallJava*/),
     // re-initialized to &sInitial by subclass constructor
     mPrevious(NULL), mCurrent(NULL),
     /* mOldTs({0, 0}), */
@@ -72,11 +72,15 @@
     frameCount(0),
 #endif
     mAttemptedWrite(false)
+    // mCycleMs(cycleMs)
+    // mLoadUs(loadUs)
 {
     mOldTs.tv_sec = 0;
     mOldTs.tv_nsec = 0;
     mMeasuredWarmupTs.tv_sec = 0;
     mMeasuredWarmupTs.tv_nsec = 0;
+    strlcpy(mCycleMs, cycleMs, sizeof(mCycleMs));
+    strlcpy(mLoadUs, loadUs, sizeof(mLoadUs));
 }
 
 FastThread::~FastThread()
@@ -336,8 +340,8 @@
                     // this store #4 is not atomic with respect to stores #1, #2, #3 above, but
                     // the newest open & oldest closed halves are atomic with respect to each other
                     mDumpState->mBounds = mBounds;
-                    ATRACE_INT("cycle_ms", monotonicNs / 1000000);
-                    ATRACE_INT("load_us", loadNs / 1000);
+                    ATRACE_INT(mCycleMs, monotonicNs / 1000000);
+                    ATRACE_INT(mLoadUs, loadNs / 1000);
                 }
 #endif
             } else {
diff --git a/services/audioflinger/FastThread.h b/services/audioflinger/FastThread.h
index 2efb6de..816b666 100644
--- a/services/audioflinger/FastThread.h
+++ b/services/audioflinger/FastThread.h
@@ -30,7 +30,7 @@
 class FastThread : public Thread {
 
 public:
-            FastThread();
+            FastThread(const char *cycleMs, const char *loadUs);
     virtual ~FastThread();
 
 private:
@@ -88,6 +88,9 @@
     FastThreadState::Command mCommand;
     bool            mAttemptedWrite;
 
+    char            mCycleMs[16];   // cycle_ms + suffix
+    char            mLoadUs[16];    // load_us + suffix
+
 };  // class FastThread
 
 }   // android
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 2547746..5609c86 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -6036,7 +6036,7 @@
 
             // sleep with mutex unlocked
             if (sleepUs > 0) {
-                ATRACE_BEGIN("sleep");
+                ATRACE_BEGIN("sleepC");
                 mWaitWorkCV.waitRelative(mLock, microseconds((nsecs_t)sleepUs));
                 ATRACE_END();
                 sleepUs = 0;