diff --git a/services/audioflinger/Android.mk b/services/audioflinger/Android.mk
index 44d2553..f029333 100644
--- a/services/audioflinger/Android.mk
+++ b/services/audioflinger/Android.mk
@@ -74,9 +74,15 @@
 LOCAL_MODULE:= libaudioflinger
 LOCAL_32_BIT_ONLY := true
 
-LOCAL_SRC_FILES += FastMixer.cpp FastMixerState.cpp AudioWatchdog.cpp
-LOCAL_SRC_FILES += FastThread.cpp FastThreadState.cpp
-LOCAL_SRC_FILES += FastCapture.cpp FastCaptureState.cpp
+LOCAL_SRC_FILES += \
+    AudioWatchdog.cpp        \
+    FastCapture.cpp          \
+    FastCaptureState.cpp     \
+    FastMixer.cpp            \
+    FastMixerState.cpp       \
+    FastThread.cpp           \
+    FastThreadDumpState.cpp  \
+    FastThreadState.cpp
 
 LOCAL_CFLAGS += -DSTATE_QUEUE_INSTANTIATIONS='"StateQueueInstantiations.cpp"'
 
diff --git a/services/audioflinger/FastCapture.h b/services/audioflinger/FastCapture.h
index e535b9d..e61e026 100644
--- a/services/audioflinger/FastCapture.h
+++ b/services/audioflinger/FastCapture.h
@@ -20,6 +20,7 @@
 #include "FastThread.h"
 #include "StateQueue.h"
 #include "FastCaptureState.h"
+#include "FastThreadDumpState.h"
 
 namespace android {
 
diff --git a/services/audioflinger/FastMixerDumpState.h b/services/audioflinger/FastMixerDumpState.h
index 6a1e4649..1ae191c 100644
--- a/services/audioflinger/FastMixerDumpState.h
+++ b/services/audioflinger/FastMixerDumpState.h
@@ -18,6 +18,7 @@
 #define ANDROID_AUDIO_FAST_MIXER_DUMP_STATE_H
 
 #include "Configuration.h"
+#include "FastThreadDumpState.h"
 
 namespace android {
 
diff --git a/services/audioflinger/FastThread.cpp b/services/audioflinger/FastThread.cpp
index 216dace..3e12cca 100644
--- a/services/audioflinger/FastThread.cpp
+++ b/services/audioflinger/FastThread.cpp
@@ -25,6 +25,7 @@
 #include <utils/Log.h>
 #include <utils/Trace.h>
 #include "FastThread.h"
+#include "FastThreadDumpState.h"
 
 #define FAST_DEFAULT_NS    999999999L   // ~1 sec: default time to sleep
 #define FAST_HOT_IDLE_NS     1000000L   // 1 ms: time to sleep while hot idling
diff --git a/services/audioflinger/FastThreadDumpState.cpp b/services/audioflinger/FastThreadDumpState.cpp
new file mode 100644
index 0000000..d7b825d
--- /dev/null
+++ b/services/audioflinger/FastThreadDumpState.cpp
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FastThreadDumpState.h"
+
+namespace android {
+
+FastThreadDumpState::FastThreadDumpState() :
+    mCommand(FastThreadState::INITIAL), mUnderruns(0), mOverruns(0),
+    /* mMeasuredWarmupTs({0, 0}), */
+    mWarmupCycles(0)
+#ifdef FAST_MIXER_STATISTICS
+    , mSamplingN(1), mBounds(0)
+#endif
+{
+    mMeasuredWarmupTs.tv_sec = 0;
+    mMeasuredWarmupTs.tv_nsec = 0;
+}
+
+FastThreadDumpState::~FastThreadDumpState()
+{
+}
+
+}   // android
diff --git a/services/audioflinger/FastThreadDumpState.h b/services/audioflinger/FastThreadDumpState.h
new file mode 100644
index 0000000..17afbe5
--- /dev/null
+++ b/services/audioflinger/FastThreadDumpState.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_AUDIO_FAST_THREAD_DUMP_STATE_H
+#define ANDROID_AUDIO_FAST_THREAD_DUMP_STATE_H
+
+#include "Configuration.h"
+#include "FastThreadState.h"
+
+namespace android {
+
+// FIXME extract common part of comment at FastMixerDumpState
+struct FastThreadDumpState {
+    FastThreadDumpState();
+    /*virtual*/ ~FastThreadDumpState();
+
+    FastThreadState::Command mCommand;   // current command
+    uint32_t mUnderruns;        // total number of underruns
+    uint32_t mOverruns;         // total number of overruns
+    struct timespec mMeasuredWarmupTs;  // measured warmup time
+    uint32_t mWarmupCycles;     // number of loop cycles required to warmup
+
+#ifdef FAST_MIXER_STATISTICS
+    // Recently collected samples of per-cycle monotonic time, thread CPU time, and CPU frequency.
+    // kSamplingN is max size of sampling frame (statistics), and must be a power of 2 <= 0x8000.
+    // The sample arrays are virtually allocated based on this compile-time constant,
+    // but are only initialized and used based on the runtime parameter mSamplingN.
+    static const uint32_t kSamplingN = 0x8000;
+    // Corresponding runtime maximum size of sample arrays, must be a power of 2 <= kSamplingN.
+    uint32_t mSamplingN;
+    // The bounds define the interval of valid samples, and are represented as follows:
+    //      newest open (excluded) endpoint   = lower 16 bits of bounds, modulo N
+    //      oldest closed (included) endpoint = upper 16 bits of bounds, modulo N
+    // Number of valid samples is newest - oldest.
+    uint32_t mBounds;                   // bounds for mMonotonicNs, mThreadCpuNs, and mCpukHz
+    // The elements in the *Ns arrays are in units of nanoseconds <= 3999999999.
+    uint32_t mMonotonicNs[kSamplingN];  // delta monotonic (wall clock) time
+    uint32_t mLoadNs[kSamplingN];       // delta CPU load in time
+#ifdef CPU_FREQUENCY_STATISTICS
+    uint32_t mCpukHz[kSamplingN];       // absolute CPU clock frequency in kHz, bits 0-3 are CPU#
+#endif
+#endif
+
+};  // struct FastThreadDumpState
+
+}   // android
+
+#endif  // ANDROID_AUDIO_FAST_THREAD_DUMP_STATE_H
diff --git a/services/audioflinger/FastThreadState.cpp b/services/audioflinger/FastThreadState.cpp
index 6994872..e6cf85c 100644
--- a/services/audioflinger/FastThreadState.cpp
+++ b/services/audioflinger/FastThreadState.cpp
@@ -29,21 +29,4 @@
 {
 }
 
-
-FastThreadDumpState::FastThreadDumpState() :
-    mCommand(FastThreadState::INITIAL), mUnderruns(0), mOverruns(0),
-    /* mMeasuredWarmupTs({0, 0}), */
-    mWarmupCycles(0)
-#ifdef FAST_MIXER_STATISTICS
-    , mSamplingN(1), mBounds(0)
-#endif
-{
-    mMeasuredWarmupTs.tv_sec = 0;
-    mMeasuredWarmupTs.tv_nsec = 0;
-}
-
-FastThreadDumpState::~FastThreadDumpState()
-{
-}
-
 }   // namespace android
diff --git a/services/audioflinger/FastThreadState.h b/services/audioflinger/FastThreadState.h
index 1ab8a0a..011921d 100644
--- a/services/audioflinger/FastThreadState.h
+++ b/services/audioflinger/FastThreadState.h
@@ -48,41 +48,6 @@
 
 };  // struct FastThreadState
 
-
-// FIXME extract common part of comment at FastMixerDumpState
-struct FastThreadDumpState {
-    FastThreadDumpState();
-    /*virtual*/ ~FastThreadDumpState();
-
-    FastThreadState::Command mCommand;   // current command
-    uint32_t mUnderruns;        // total number of underruns
-    uint32_t mOverruns;         // total number of overruns
-    struct timespec mMeasuredWarmupTs;  // measured warmup time
-    uint32_t mWarmupCycles;     // number of loop cycles required to warmup
-
-#ifdef FAST_MIXER_STATISTICS
-    // Recently collected samples of per-cycle monotonic time, thread CPU time, and CPU frequency.
-    // kSamplingN is max size of sampling frame (statistics), and must be a power of 2 <= 0x8000.
-    // The sample arrays are virtually allocated based on this compile-time constant,
-    // but are only initialized and used based on the runtime parameter mSamplingN.
-    static const uint32_t kSamplingN = 0x8000;
-    // Corresponding runtime maximum size of sample arrays, must be a power of 2 <= kSamplingN.
-    uint32_t mSamplingN;
-    // The bounds define the interval of valid samples, and are represented as follows:
-    //      newest open (excluded) endpoint   = lower 16 bits of bounds, modulo N
-    //      oldest closed (included) endpoint = upper 16 bits of bounds, modulo N
-    // Number of valid samples is newest - oldest.
-    uint32_t mBounds;                   // bounds for mMonotonicNs, mThreadCpuNs, and mCpukHz
-    // The elements in the *Ns arrays are in units of nanoseconds <= 3999999999.
-    uint32_t mMonotonicNs[kSamplingN];  // delta monotonic (wall clock) time
-    uint32_t mLoadNs[kSamplingN];       // delta CPU load in time
-#ifdef CPU_FREQUENCY_STATISTICS
-    uint32_t mCpukHz[kSamplingN];       // absolute CPU clock frequency in kHz, bits 0-3 are CPU#
-#endif
-#endif
-
-};  // struct FastThreadDumpState
-
 }   // android
 
 #endif  // ANDROID_AUDIO_FAST_THREAD_STATE_H