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SysInfo caching for Linux

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This commit is contained in:
Vladyslav Baranovskyi
2024-12-20 15:12:26 +02:00
parent 374fb88b7c
commit a65afd7534
1 changed files with 73 additions and 29 deletions
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102
openVulkanoCpp/Host/Linux/SystemInfo.cpp
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@@ -73,7 +73,12 @@ namespace OpenVulkano
size_t SystemInfo::GetSystemRam()
{
return ReadMemInfo("MemTotal");
static size_t ram;
if (ram == 0)
{
ram = ReadMemInfo("MemTotal");
}
return ram;
}
size_t SystemInfo::GetSystemRamAvailable()
@@ -98,27 +103,47 @@ namespace OpenVulkano
size_t SystemInfo::GetAppVirtualMemoryMax()
{
rlimit limit;
if (getrlimit(RLIMIT_AS, &limit) == 0)
static size_t vramMax;
if (vramMax == 0)
{
return limit.rlim_cur;
rlimit limit;
if (getrlimit(RLIMIT_AS, &limit) == 0)
{
vramMax = limit.rlim_cur;
}
Logger::PERF->error("Failed to query max application memory");
}
Logger::PERF->error("Failed to query max application memory");
return 0;
return vramMax;
}
std::string SystemInfo::GetUserName()
{
char* name = getlogin();
if (!name) return "unknown";
return name;
static std::string userName;
if (userName.emtpy())
{
char* name = getlogin();
if (!name)
{
userName = "unknown";
}
else
{
userName = name;
}
}
return userName;
}
std::string SystemInfo::GetHostName()
{
char hostname[HOST_NAME_MAX + 1];
gethostname(hostname, HOST_NAME_MAX + 1);
return hostname;
static std::string hostName;
if (hostName.emtpy())
{
char hostname[HOST_NAME_MAX + 1];
gethostname(hostname, HOST_NAME_MAX + 1);
hostName = hostname;
}
return hostName;
}
std::string SystemInfo::GetDeviceName()
@@ -128,30 +153,44 @@ namespace OpenVulkano
std::string SystemInfo::GetDeviceVendorName()
{
std::ifstream dmiStream("/sys/class/dmi/id/board_vendor");
if (!dmiStream)
static std::string vendor;
if (vendor.emtpy())
{
Logger::PERF->error("Failed to read /sys/class/dmi/id/board_vendor");
return "Unknown";
std::ifstream dmiStream("/sys/class/dmi/id/board_vendor");
if (!dmiStream)
{
Logger::PERF->error("Failed to read /sys/class/dmi/id/board_vendor");
vendor = "Unknown";
}
else
{
std::string motherboardName;
std::getline(dmiStream, motherboardName);
vendor = motherboardName;
}
}
std::string motherboardName;
std::getline(dmiStream, motherboardName);
return motherboardName;
return vendor;
}
std::string SystemInfo::GetDeviceModelName()
{
std::ifstream dmiStream("/sys/class/dmi/id/board_name");
if (!dmiStream)
static std::string modelName;
if (modelName.emtpy())
{
Logger::PERF->error("Failed to read /sys/class/dmi/id/board_name");
return "Unknown";
std::ifstream dmiStream("/sys/class/dmi/id/board_name");
if (!dmiStream)
{
Logger::PERF->error("Failed to read /sys/class/dmi/id/board_name");
modelName = "Unknown";
}
else
{
std::string motherboardName;
std::getline(dmiStream, motherboardName);
modelName = motherboardName;
}
}
std::string motherboardName;
std::getline(dmiStream, motherboardName);
return motherboardName;
return modelName;
}
namespace
@@ -275,7 +314,12 @@ namespace OpenVulkano
size_t SystemInfo::GetCpuThreadCount()
{
return std::thread::hardware_concurrency();
static size_t threadCount;
if (threadCount == 0)
{
threadCount = std::thread::hardware_concurrency();
}
return threadCount;
}
int32_t SystemInfo::GetCpuTemperature()