commit c12f28298d3ac4faf301e93da301aa0fdcb402e6
Author: Park Ju Hyung <qkrwngud825@gmail.com>
Date:   Mon Apr 3 02:11:40 2017 +0900

    Log debugging messages only when requested

    Change-Id: If019e69f6530363d8870323c9e2e843b66b42a21
    Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>

diff --git a/common.mk b/common.mk
index c2a6cac6..a13a34c1 100644
--- a/common.mk
+++ b/common.mk
@@ -30,9 +30,19 @@ else
     LOCAL_CLANG := true
 endif

+#Debugging mode
+debug := false
+
 #Common C flags
-common_flags += -DDEBUG_CALC_FPS -Wno-missing-field-initializers
+common_flags += -Wno-missing-field-initializers
 common_flags += -Wconversion -Wall -Werror -std=c++11
+
+ifeq ($(debug), true)
+    common_flags += -DDEBUG=1 -DDEBUG_CALC_FPS
+else
+    common_flags += -Wno-unused-parameter -Wno-unused-variable
+endif
+
 ifneq ($(TARGET_USES_GRALLOC1), true)
     common_flags += -isystem $(display_top)/libgralloc
 else
diff --git a/hdmi_cec/QHDMIClient.cpp b/hdmi_cec/QHDMIClient.cpp
index 2b2b1e6f..6620768f 100644
--- a/hdmi_cec/QHDMIClient.cpp
+++ b/hdmi_cec/QHDMIClient.cpp
@@ -27,7 +27,10 @@
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

+#ifndef DEBUG
 #define DEBUG 0
+#endif
+
 #include <QServiceUtils.h>
 #include "QHDMIClient.h"

diff --git a/hdmi_cec/qhdmi_cec.cpp b/hdmi_cec/qhdmi_cec.cpp
index f84cf809..6299691f 100644
--- a/hdmi_cec/qhdmi_cec.cpp
+++ b/hdmi_cec/qhdmi_cec.cpp
@@ -27,7 +27,10 @@
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

+#ifndef DEBUG
 #define DEBUG 0
+#endif
+
 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
 #include <cstdlib>
 #include <cutils/log.h>
diff --git a/libgralloc/ionalloc.cpp b/libgralloc/ionalloc.cpp
index 96e0e3ed..4e89cce3 100644
--- a/libgralloc/ionalloc.cpp
+++ b/libgralloc/ionalloc.cpp
@@ -27,7 +27,10 @@
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

+#ifndef DEBUG
 #define DEBUG 0
+#endif
+
 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
 #include <sys/ioctl.h>
 #include <sys/mman.h>
diff --git a/libgralloc1/gr_ion_alloc.cpp b/libgralloc1/gr_ion_alloc.cpp
index ca93a632..1830a073 100644
--- a/libgralloc1/gr_ion_alloc.cpp
+++ b/libgralloc1/gr_ion_alloc.cpp
@@ -27,7 +27,10 @@
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

+#ifndef DEBUG
 #define DEBUG 0
+#endif
+
 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
 #include <sys/ioctl.h>
 #include <sys/mman.h>
diff --git a/sdm/include/utils/debug.h b/sdm/include/utils/debug.h
index e35ddf32..440df309 100644
--- a/sdm/include/utils/debug.h
+++ b/sdm/include/utils/debug.h
@@ -35,8 +35,20 @@
 #include <core/debug_interface.h>
 #include <core/display_interface.h>

-#define DLOG(tag, method, format, ...) Debug::Get()->method(tag, __CLASS__ "::%s: " format, \
-                                                            __FUNCTION__, ##__VA_ARGS__)
+#ifdef DEBUG
+  #define DLOG(tag, method, format, ...) Debug::Get()->method(tag, __CLASS__ "::%s: " format, \
+                                                              __FUNCTION__, ##__VA_ARGS__)
+
+  #define DTRACE_BEGIN(custom_string) Debug::Get()->BeginTrace(__CLASS__, __FUNCTION__, custom_string)
+  #define DTRACE_END() Debug::Get()->EndTrace()
+  #define DTRACE_SCOPED() ScopeTracer <Debug> scope_tracer(__CLASS__, __FUNCTION__)
+#else
+  #define DLOG(...) {}
+
+  #define DTRACE_BEGIN(...) {}
+  #define DTRACE_END(...) {}
+  #define DTRACE_SCOPED(...) {}
+#endif

 #define DLOGE_IF(tag, format, ...) DLOG(tag, Error, format, ##__VA_ARGS__)
 #define DLOGW_IF(tag, format, ...) DLOG(tag, Warning, format, ##__VA_ARGS__)
@@ -50,10 +62,6 @@
 #define DLOGI(format, ...) DLOGI_IF(kTagNone, format, ##__VA_ARGS__)
 #define DLOGV(format, ...) DLOGV_IF(kTagNone, format, ##__VA_ARGS__)

-#define DTRACE_BEGIN(custom_string) Debug::Get()->BeginTrace(__CLASS__, __FUNCTION__, custom_string)
-#define DTRACE_END() Debug::Get()->EndTrace()
-#define DTRACE_SCOPED() ScopeTracer <Debug> scope_tracer(__CLASS__, __FUNCTION__)
-
 namespace sdm {

 class Debug {