Add option to print render time of each frame to log file
Signed-off-by: Vojtech Bocek <vbocek@gmail.com>
Change-Id: Id158a6375fbadf4cdf0a8c7d143759e602419e7f
diff --git a/gui/gui.cpp b/gui/gui.cpp
index e9efc1d..adc8a41 100644
--- a/gui/gui.cpp
+++ b/gui/gui.cpp
@@ -57,6 +57,9 @@
#include "blanktimer.hpp"
#endif
+// Enable to print render time of each frame to the log file
+//#define PRINT_RENDER_TIME 1
+
const static int CURTAIN_FADE = 32;
using namespace rapidxml;
@@ -423,6 +426,11 @@
DataManager::SetValue("tw_loaded", 1);
+#ifdef PRINT_RENDER_TIME
+ timespec start, end;
+ int32_t render_t, flip_t;
+#endif
+
for (;;)
{
loopTimer();
@@ -432,11 +440,30 @@
int ret;
ret = PageManager::Update();
+
+#ifndef PRINT_RENDER_TIME
if (ret > 1)
PageManager::Render();
if (ret > 0)
flip();
+#else
+ if (ret > 1)
+ {
+ clock_gettime(CLOCK_MONOTONIC, &start);
+ PageManager::Render();
+ clock_gettime(CLOCK_MONOTONIC, &end);
+ render_t = TWFunc::timespec_diff_ms(start, end);
+
+ flip();
+ clock_gettime(CLOCK_MONOTONIC, &start);
+ flip_t = TWFunc::timespec_diff_ms(end, start);
+
+ LOGINFO("Render(): %u ms, flip(): %u ms, total: %u ms\n", render_t, flip_t, render_t+flip_t);
+ }
+ else if(ret == 1)
+ flip();
+#endif
}
else
{
diff --git a/twrp-functions.cpp b/twrp-functions.cpp
index 3f44fd2..df71743 100644
--- a/twrp-functions.cpp
+++ b/twrp-functions.cpp
@@ -515,6 +515,12 @@
return temp;
}
+int32_t TWFunc::timespec_diff_ms(timespec& start, timespec& end)
+{
+ return ((end.tv_sec * 1000) + end.tv_nsec/1000000) -
+ ((start.tv_sec * 1000) + start.tv_nsec/1000000);
+}
+
int TWFunc::drop_caches(void) {
string file = "/proc/sys/vm/drop_caches";
string value = "3";
diff --git a/twrp-functions.hpp b/twrp-functions.hpp
index eb88ae2..587d772 100644
--- a/twrp-functions.hpp
+++ b/twrp-functions.hpp
@@ -60,6 +60,7 @@
static int copy_file(string src, string dst, int mode); //copy file from src to dst with mode permissions
static unsigned int Get_D_Type_From_Stat(string Path); // Returns a dirent dt_type value using stat instead of dirent
static timespec timespec_diff(timespec& start, timespec& end); // Return a diff for 2 times
+ static int32_t timespec_diff_ms(timespec& start, timespec& end); // Returns diff in ms
static int read_file(string fn, vector<string>& results); //read from file
static int read_file(string fn, string& results); //read from file
static int write_file(string fn, string& line); //write from file