sde: Add support to systrace.
1. Define an interface between hwcomposer and display engine to collect
systrace for a module in display engine.
2. Implement the functionality of conditional ATRACE_BEGIN/ATRACE_END
in hwcomposer.
Change-Id: I441d06397a2618f87f132c8037ca83d5fc13b07c
diff --git a/displayengine/libs/hwc/hwc_debugger.h b/displayengine/libs/hwc/hwc_debugger.h
new file mode 100644
index 0000000..d4315c2
--- /dev/null
+++ b/displayengine/libs/hwc/hwc_debugger.h
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2014 - 2015, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following
+* disclaimer in the documentation and/or other materials provided
+* with the distribution.
+* * Neither the name of The Linux Foundation nor the names of its
+* contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef __HWC_DEBUGGER_H__
+#define __HWC_DEBUGGER_H__
+
+#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
+
+#include <core/sde_types.h>
+#include <core/debug_interface.h>
+#include <cutils/log.h>
+#include <utils/Trace.h>
+
+#define DLOG(Macro, format, ...) Macro(__CLASS__ "::%s: " format, __FUNCTION__, ##__VA_ARGS__)
+
+#define DLOGE(format, ...) DLOG(ALOGE, format, ##__VA_ARGS__)
+#define DLOGW(format, ...) DLOG(ALOGW, format, ##__VA_ARGS__)
+#define DLOGI(format, ...) DLOG(ALOGI, format, ##__VA_ARGS__)
+#define DLOGV(format, ...) DLOG(ALOGV, format, ##__VA_ARGS__)
+
+#define DTRACE_BEGIN(custom_string) HWCDebugHandler::Get()->BeginTrace(__CLASS__, __FUNCTION__, \
+ custom_string)
+#define DTRACE_END() HWCDebugHandler::Get()->EndTrace()
+#define DTRACE_SCOPED() ScopeTracer<HWCDebugHandler> scope_tracer(__CLASS__, __FUNCTION__)
+
+namespace sde {
+
+class HWCDebugHandler : public DebugHandler {
+ public:
+ static inline DebugHandler* Get() { return &debug_handler_; }
+ static void DebugAll(bool enable);
+ static void DebugResources(bool enable);
+ static void DebugStrategy(bool enable);
+
+ virtual void Error(DebugTag tag, const char *format, ...);
+ virtual void Warning(DebugTag tag, const char *format, ...);
+ virtual void Info(DebugTag tag, const char *format, ...);
+ virtual void Verbose(DebugTag tag, const char *format, ...);
+ virtual void BeginTrace(const char *class_name, const char *function_name,
+ const char *custom_string);
+ virtual void EndTrace();
+
+ private:
+ static HWCDebugHandler debug_handler_;
+ static uint32_t debug_flags_;
+};
+
+} // namespace sde
+
+#endif // __HWC_DEBUGGER_H__
+