Merge pull request #5380 from FearlessTobi/port-3954

Port yuzu-emu/yuzu#3954: "main: Log host system memory parameters"

src/citra_qt/main.cpp

@@ -61,10 +61,12 @@
 #include "common/common_paths.h"
 #include "common/detached_tasks.h"
 #include "common/file_util.h"
+#include "common/literals.h"
 #include "common/logging/backend.h"
 #include "common/logging/filter.h"
 #include "common/logging/log.h"
 #include "common/logging/text_formatter.h"
+#include "common/memory_detect.h"
 #include "common/microprofile.h"
 #include "common/scm_rev.h"
 #include "common/scope_exit.h"
@@ -213,6 +215,10 @@ GMainWindow::GMainWindow()
     LOG_INFO(Frontend, "Host CPU: {}", cpu_string);
 #endif
     LOG_INFO(Frontend, "Host OS: {}", QSysInfo::prettyProductName().toStdString());
+    const auto& mem_info = Common::GetMemInfo();
+    using namespace Common::Literals;
+    LOG_INFO(Frontend, "Host RAM: {:.2f} GiB", mem_info.total_physical_memory / f64{1_GiB});
+    LOG_INFO(Frontend, "Host Swap: {:.2f} GiB", mem_info.total_swap_memory / f64{1_GiB});
     UpdateWindowTitle();
 
     show();

src/common/CMakeLists.txt

@@ -74,6 +74,7 @@ add_library(common STATIC
     file_util.h
     hash.h
     linear_disk_cache.h
+    literals.h
     logging/backend.cpp
     logging/backend.h
     logging/filter.cpp
@@ -83,6 +84,8 @@ add_library(common STATIC
     logging/text_formatter.cpp
     logging/text_formatter.h
     math_util.h
+    memory_detect.cpp
+    memory_detect.h
     memory_ref.h
     memory_ref.cpp
     microprofile.cpp

src/common/literals.h

@@ -0,0 +1,31 @@
+// Copyright 2021 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Common::Literals {
+
+constexpr u64 operator""_KiB(unsigned long long int x) {
+    return 1024ULL * x;
+}
+
+constexpr u64 operator""_MiB(unsigned long long int x) {
+    return 1024_KiB * x;
+}
+
+constexpr u64 operator""_GiB(unsigned long long int x) {
+    return 1024_MiB * x;
+}
+
+constexpr u64 operator""_TiB(unsigned long long int x) {
+    return 1024_GiB * x;
+}
+
+constexpr u64 operator""_PiB(unsigned long long int x) {
+    return 1024_TiB * x;
+}
+
+} // namespace Common::Literals

src/common/memory_detect.cpp

@@ -0,0 +1,67 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#ifdef _WIN32
+#include <windows.h>
+// Depends on <windows.h> coming first
+#include <sysinfoapi.h>
+#else
+#include <sys/types.h>
+#if defined(__APPLE__) || defined(__FreeBSD__)
+#include <sys/sysctl.h>
+#elif defined(__linux__)
+#include <sys/sysinfo.h>
+#else
+#include <unistd.h>
+#endif
+#endif
+
+#include "common/memory_detect.h"
+
+namespace Common {
+
+// Detects the RAM and Swapfile sizes
+const MemoryInfo GetMemInfo() {
+    MemoryInfo mem_info{};
+
+#ifdef _WIN32
+    MEMORYSTATUSEX memorystatus;
+    memorystatus.dwLength = sizeof(memorystatus);
+    GlobalMemoryStatusEx(&memorystatus);
+    mem_info.total_physical_memory = memorystatus.ullTotalPhys;
+    mem_info.total_swap_memory = memorystatus.ullTotalPageFile - mem_info.total_physical_memory;
+#elif defined(__APPLE__)
+    u64 ramsize;
+    struct xsw_usage vmusage;
+    std::size_t sizeof_ramsize = sizeof(ramsize);
+    std::size_t sizeof_vmusage = sizeof(vmusage);
+    // hw and vm are defined in sysctl.h
+    // https://github.com/apple/darwin-xnu/blob/master/bsd/sys/sysctl.h#L471
+    // sysctlbyname(const char *, void *, size_t *, void *, size_t);
+    sysctlbyname("hw.memsize", &ramsize, &sizeof_ramsize, nullptr, 0);
+    sysctlbyname("vm.swapusage", &vmusage, &sizeof_vmusage, nullptr, 0);
+    mem_info.total_physical_memory = ramsize;
+    mem_info.total_swap_memory = vmusage.xsu_total;
+#elif defined(__FreeBSD__)
+    u_long physmem, swap_total;
+    std::size_t sizeof_u_long = sizeof(u_long);
+    // sysctlbyname(const char *, void *, size_t *, const void *, size_t);
+    sysctlbyname("hw.physmem", &physmem, &sizeof_u_long, nullptr, 0);
+    sysctlbyname("vm.swap_total", &swap_total, &sizeof_u_long, nullptr, 0);
+    mem_info.total_physical_memory = physmem;
+    mem_info.total_swap_memory = swap_total;
+#elif defined(__linux__)
+    struct sysinfo meminfo;
+    sysinfo(&meminfo);
+    mem_info.total_physical_memory = meminfo.totalram;
+    mem_info.total_swap_memory = meminfo.totalswap;
+#else
+    mem_info.total_physical_memory = sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGE_SIZE);
+    mem_info.total_swap_memory = 0;
+#endif
+
+    return mem_info;
+}
+
+} // namespace Common

src/common/memory_detect.h

@@ -0,0 +1,22 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Common {
+
+struct MemoryInfo {
+    u64 total_physical_memory{};
+    u64 total_swap_memory{};
+};
+
+/**
+ * Gets the memory info of the host system
+ * @return Reference to a MemoryInfo struct with the physical and swap memory sizes in bytes
+ */
+[[nodiscard]] const MemoryInfo GetMemInfo();
+
+} // namespace Common