private static void ReadUsage()
{
try {
var topActivity = TinyIoC.TinyIoCContainer.Current.Resolve <IMvxAndroidCurrentTopActivity> ();
RandomAccessFile reader = new RandomAccessFile("/proc/stat", "r");
string load = reader.ReadLine();
string[] toks = load.Split(' ');
long idle1 = long.Parse(toks [5]);
long cpu1 = long.Parse(toks [2]) + long.Parse(toks [3]) + long.Parse(toks [4])
+ long.Parse(toks [6]) + long.Parse(toks [7]) + long.Parse(toks [8]);
try {
Thread.Sleep(360);
} catch (Exception) {
}
reader.Seek(0);
load = reader.ReadLine();
reader.Close();
toks = load.Split(' ');
float idle2 = float.Parse(toks [5]);
float cpu2 = float.Parse(toks [2]) + float.Parse(toks [3]) + float.Parse(toks [4])
+ float.Parse(toks [6]) + float.Parse(toks [7]) + float.Parse(toks [8]);
float cpuValue = ((cpu2 - cpu1) * 100f / ((cpu2 + idle2) - (cpu1 + idle1)));
CpuStack [_cpuStackPointer++] = cpuValue;
if (_cpuStackPointer == 10)
{
_cpuStackPointer = 0;
}
var averageTxt = ((int)CpuStack.Take(10).Average()).ToString().PadLeft(2, '0');
TimeSpan t = (DateTime.UtcNow - new DateTime(1970, 1, 1));
// Get VM Heap Size by calling:
var heapSize = (Java.Lang.Runtime.GetRuntime().TotalMemory() / 1000).ToString().PadLeft(6, '0');
// Get Allocated VM Memory by calling:
var allocated = ((Java.Lang.Runtime.GetRuntime().TotalMemory() - Java.Lang.Runtime.GetRuntime().FreeMemory()) / 1000).ToString().PadLeft(6, '0');
// Get Free Memory
var free = (Java.Lang.Runtime.GetRuntime().FreeMemory() / 1000).ToString().PadLeft(6, '0');
// Get VM Heap Size Limit by calling:
var heapSizeLimit = (Java.Lang.Runtime.GetRuntime().MaxMemory() / 1000).ToString().PadLeft(6, '0');
var mem = heapSize + " " + allocated + " " + free + " " + heapSizeLimit;
System.Console.WriteLine("-|-cpu " + (((long)t.TotalSeconds * 1000L) + (long)DateTime.Now.Millisecond).ToString() + " " + averageTxt + " " + mem + " " + topActivity.Activity.Title);
} catch (System.IO.IOException) {
}
}
public double GetCpuTemp()
{
if (cpuTempFile == null)
{
throw new NotSupportedException("CPU Temp not available");
}
cpuTempFile.Seek(0);
var s = cpuTempFile?.ReadLine();
if (string.IsNullOrWhiteSpace(s))
{
throw new NotSupportedException("CPU Temp not available");
}
double val;
if (!double.TryParse(s, out val))
{
throw new NotSupportedException("CPU Temp not available");
}
if (val < -30 || val > 300)
{
val = val / 1000;
}
return(val);
}
// https://stackoverflow.com/questions/16963292/read-current-cpu-frequency/19858957#19858957
float GetFrequency(string path)
{
using (var reader = new RandomAccessFile(path, "r"))
{
float.TryParse(reader.ReadLine(), out var result);
return(result / 1000);
}
}
private static long GetTotalMemory()
{
using (var reader = new RandomAccessFile("/proc/meminfo", "r"))
{
var line = reader.ReadLine(); // first line --> MemTotal: xxxxxx kB
var split = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
return(Convert.ToInt64(split[1]) * 1024);
}
}
private static long GetTotalMemory()
{
using (var reader = new RandomAccessFile("/proc/meminfo", "r"))
{
var line = reader.ReadLine(); // first line --> MemTotal: xxxxxx kB
var split = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
return Convert.ToInt64(split[1]) * 1024;
}
}
