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Linux/macOS: Implement overlay CPU/memory statistics (#480)

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goeiecool9999 2022-11-20 19:53:45 +01:00 • committed by GitHub
parent c17097369b
commit 9ce52ad83a
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14 changed files with 322 additions and 98 deletions
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69
src/util/SystemInfo/SystemInfoWin.cpp Normal file
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#include "util/SystemInfo/SystemInfo.h"
#include <Psapi.h>
#include <winternl.h>
#pragma comment(lib, "ntdll.lib")
uint64 QueryRamUsage()
{
PROCESS_MEMORY_COUNTERS pmc{};
pmc.cb = sizeof(pmc);
if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)))
{
return pmc.WorkingSetSize;
}
else
{
return 0;
}
}
void QueryProcTime(uint64 &out_now, uint64 &out_user, uint64 &out_kernel)
{
FILETIME ftime, fkernel, fuser;
LARGE_INTEGER now, kernel, user;
GetSystemTimeAsFileTime(&ftime);
now.LowPart = ftime.dwLowDateTime;
now.HighPart = ftime.dwHighDateTime;
if (GetProcessTimes(GetCurrentProcess(), &ftime, &ftime, &fkernel, &fuser))
{
kernel.LowPart = fkernel.dwLowDateTime;
kernel.HighPart = fkernel.dwHighDateTime;
user.LowPart = fuser.dwLowDateTime;
user.HighPart = fuser.dwHighDateTime;
out_now = now.QuadPart;
out_user = user.QuadPart;
out_kernel = kernel.QuadPart;
}
else
{
out_now = 0;
out_user = 0;
out_kernel = 0;
}
}
void QueryCoreTimes(uint32 count, std::vector<ProcessorTime>& out)
{
std::vector<SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION> sppi(count);
if (NT_SUCCESS(NtQuerySystemInformation(SystemProcessorPerformanceInformation, sppi.data(), sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * count, nullptr)))
{
for (auto i = 0; i < out.size(); ++i)
{
out[i].idle = sppi[i].IdleTime.QuadPart;
out[i].kernel = sppi[i].KernelTime.QuadPart;
out[i].kernel -= out[i].idle;
out[i].user = sppi[i].UserTime.QuadPart;
}
}
else
{
for (auto i = 0; i < count; ++i)
{
out[i] = { };
}
}
}