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Add profiling infrastructure (currently unused)

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1 parent 5e9fe3c commit 9eaed3029f24a47c0ab6eaf7c585211818d5cc37 @cgutman cgutman committed May 9, 2016
Showing with 80 additions and 1 deletion.
  1. +1 −0 Makefile
  2. +10 −1 moonlight.hpp
  3. +69 −0 profiling.cpp
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@@ -36,6 +36,7 @@ SOURCES = \
viddec.cpp \
auddec.cpp \
http.cpp \
+ profiling.cpp \
# Build rules generated by macros from common.mk:
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@@ -28,6 +28,9 @@
#include <opus_multistream.h>
+// Uncomment this line to enable the profiling infrastructure
+//#define ENABLE_PROFILING 1
+
struct Shader {
Shader() : program(0), texcoord_scale_location(0) {}
~Shader() {}
@@ -83,7 +86,13 @@ class MoonlightInstance : public pp::Instance, public pp::MouseLock {
void OnConnectionStopped(uint32_t unused);
void OnConnectionStarted(uint32_t error);
void StopConnection();
-
+
+ static uint32_t ProfilerGetPackedMillis();
+ static uint64_t ProfilerGetMillis();
+ static uint64_t ProfilerUnpackTime(uint32_t packedTime);
+ static void ProfilerPrintPackedDelta(const char* message, uint32_t packedTimeA, uint32_t packedTimeB);
+ static void ProfilerPrintDelta(const char* message, uint64_t timeA, uint64_t timeB);
+
static void* ConnectionThreadFunc(void* context);
static void* GamepadThreadFunc(void* context);
static void* StopThreadFunc(void* context);
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@@ -0,0 +1,69 @@
+#include "moonlight.hpp"
+
+#include <stdio.h>
+
+#include <sys/time.h>
+
+#define PACKED_TIME_SECONDS_BITSHIFT 16
+#define PACKED_TIME_MILLIS_MASK 0xFFFF
+
+uint32_t MoonlightInstance::ProfilerGetPackedMillis() {
+#if defined(ENABLE_PROFILING)
+ struct timeval tv;
+ uint32_t res;
+
+ gettimeofday(&tv, NULL);
+
+ res = tv.tv_sec << PACKED_TIME_SECONDS_BITSHIFT;
+ res += (tv.tv_usec / 1000) & PACKED_TIME_MILLIS_MASK;
+ return res;
+#else
+ return 0;
+#endif
+}
+
+uint64_t MoonlightInstance::ProfilerGetMillis() {
+#if defined(ENABLE_PROFILING)
+ struct timeval tv;
+ uint64_t res;
+
+ gettimeofday(&tv, NULL);
+
+ res = tv.tv_sec * 1000;
+ res += tv.tv_usec / 1000;
+ return res;
+#else
+ return 0;
+#endif
+}
+
+// The return value of this function is referenced to an
+// arbitrary epoch, and as such is only suitable for comparison
+// with other unpacked time values.
+uint64_t MoonlightInstance::ProfilerUnpackTime(uint32_t packedTime) {
+#if defined(ENABLE_PROFILING)
+ uint64_t res;
+ res = (packedTime >> PACKED_TIME_SECONDS_BITSHIFT) * 1000;
+ res += (packedTime & PACKED_TIME_MILLIS_MASK);
+ return res;
+#else
+ return 0;
+#endif
+}
+
+void MoonlightInstance::ProfilerPrintPackedDelta(const char* message,
+ uint32_t packedTimeA,
+ uint32_t packedTimeB) {
+#if defined(ENABLE_PROFILING)
+ printf("%s: %d ms\n", message,
+ (uint32_t)(ProfilerUnpackTime(packedTimeB) - ProfilerUnpackTime(packedTimeA)));
+#endif
+}
+
+void MoonlightInstance::ProfilerPrintDelta(const char* message,
+ uint64_t timeA,
+ uint64_t timeB) {
+#if defined(ENABLE_PROFILING)
+ printf("%s: %d ms\n", message, (uint32_t)(timeA - timeB));
+#endif
+}

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