AnyPS5/core/libs/tests/GuestProcessTime.cpp

37 lines
1.7 KiB
C++

#include "prx/libkernel/Time/include/Time.hpp"
#include <chrono>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <thread>
static void Require(bool condition, const char* message) {
if (!condition) {
std::fprintf(stderr, "%s\n", message);
std::abort();
}
}
int main(int argc, char** argv) {
constexpr std::uint64_t minuteMicros = 60ULL * 1000 * 1000;
constexpr std::uint64_t sleptMicros = 50ULL * 1000;
const char* scaleText = std::getenv("APS5_TIME_SCALE");
const double scale = scaleText ? std::strtod(scaleText, nullptr) : 1.0;
const auto elapsedMicros = static_cast<std::uint64_t>(static_cast<double>(sleptMicros) * (scale > 0.0 ? scale : 1.0));
const auto minimumElapsedMicros = elapsedMicros * 19 / 20;
const auto slept = std::chrono::steady_clock::now() + std::chrono::microseconds(sleptMicros);
while (std::chrono::steady_clock::now() < slept) std::this_thread::sleep_until(slept);
if (argc > 1 && std::strcmp(argv[1], "counter") == 0) {
const std::uint64_t counter = sceKernelGetProcessTimeCounter();
Require(counter < minuteMicros * 1000, "first process time counter wrapped");
Require(counter >= minimumElapsedMicros * 1000, "first process time counter does not include the time before the first call");
return 0;
}
const std::uint64_t first = sceKernelGetProcessTime();
Require(first < minuteMicros, "first process time wrapped");
Require(first >= minimumElapsedMicros, "first process time does not include the time before the first call");
Require(sceKernelGetProcessTime() >= first, "process time went backwards");
return 0;
}