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[client] added retard/resync counts for debugging

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This commit is contained in:
Geoffrey McRae 2017-12-07 13:09:07 +11:00
parent d09bb1146d
commit eb52ee9412
1 changed files with 15 additions and 4 deletions
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19
client/main.c
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@ -194,6 +194,9 @@ int renderThread(void * unused)
uint64_t fpsStart = 0;
uint64_t fpsTime = 0;
unsigned int retardCount = 0;
unsigned int resyncCount = 0;
#define SYNC_WINDOW 2000
while(state.running)
@ -207,6 +210,7 @@ int renderThread(void * unused)
// we shouldn't have a frame yet, retard the timing a bit
if (header.dataPos != state.shm->dataPos)
{
++retardCount;
if (pollDelay >= SYNC_WINDOW / 2)
pollDelay -= SYNC_WINDOW / 2;
else
@ -220,7 +224,14 @@ int renderThread(void * unused)
// if we timed out, wait for an interrupt or a timeout
if (microtime() - loopStart > SYNC_WINDOW)
{
ivshmem_wait_irq(0, 1000000/30);
if (ivshmem_wait_irq(0, 1000000/30) == IVSHMEM_WAIT_RESULT_OK)
{
// might be a spurious interrupt we didn't answer earlier
if (header.dataPos == state.shm->dataPos)
continue;
++resyncCount;
}
break;
}
}
@ -388,9 +399,9 @@ int renderThread(void * unused)
textTexture = NULL;
}
char str[32];
char str[128];
const float avgFPS = 1000.0f / (((float)fpsTime / frameCount) / 1000.0f);
snprintf(str, sizeof(str), "FPS: %8.4f, Sync: %5lu", avgFPS, pollDelay);
snprintf(str, sizeof(str), "FPS: %8.4f, Retard: %d, Resync: %d", avgFPS, retardCount, resyncCount);
SDL_Color color = {0xff, 0xff, 0xff};
if (!(textSurface = TTF_RenderText_Blended(state.font, str, color)))
{
@ -716,7 +727,7 @@ int run()
return -1;
}
state.font = TTF_OpenFont("/usr/share/fonts/truetype/freefont/FreeMono.ttf", 16);
state.font = TTF_OpenFont("/usr/share/fonts/truetype/freefont/FreeMono.ttf", 14);
if (!state.font)
{
DEBUG_ERROR("TTL_OpenFont Failed");