unsigned int getFreeMemory()
{
s_mallinfo i = mallinfo();
unsigned int totalMemory = getTotalMemory();
unsigned int dynamicTop = EM_ASM_INT_V(return HEAPU32[DYNAMICTOP_PTR>>2]);
return totalMemory - dynamicTop + i.fordblks;
}
void ofxMemoryUsage::update(){
int secs = (int)(ofGetElapsedTimeMillis()/1000)%60;
if(updateSecs != secs){
updateSecs = secs;
memory_total = getTotalMemory();
memory_used_total = getUsedMemory();
memory_used_process = getProcessMemory();
}
}
int main()
{
printf("Before allocation:\n");
printf("Total memory: %u bytes\n", getTotalMemory());
printf("Free memory: %u bytes\n", getFreeMemory());
printf("Used: %u bytes (%.2f%%)\n", getTotalMemory() - getFreeMemory(), (getTotalMemory() - getFreeMemory()) * 100.0 / getTotalMemory());
assert(getTotalMemory() == 16777216);
assert(getFreeMemory() >= 10000000); // 11529552 in test
void *ptr = malloc(1024*1024);
printf("\nAfter 1MB allocation:\n");
printf("Total memory: %u bytes\n", getTotalMemory());
printf("Free memory: %u bytes\n", getFreeMemory());
printf("Used: %u bytes (%.2f%%)\n", getTotalMemory() - getFreeMemory(), (getTotalMemory() - getFreeMemory()) * 100.0 / getTotalMemory());
assert(getTotalMemory() == 16777216);
assert(getFreeMemory() >= 9000000); // 10480968 in test
free(ptr);
printf("\nAfter freeing:\n");
printf("Total memory: %u bytes\n", getTotalMemory());
printf("Free memory: %u bytes\n", getFreeMemory());
printf("Used: %u bytes (%.2f%%)\n", getTotalMemory() - getFreeMemory(), (getTotalMemory() - getFreeMemory()) * 100.0 / getTotalMemory());
assert(getTotalMemory() == 16777216);
assert(getFreeMemory() >= 10000000); // 11529552 in test
printf("OK.\n");
}