static List <AverageLoadVm> GetAvgByMinute(DateTime start, DateTime end, List <Checkin> checkins)
{
var ts = end - start;
var minutes = ts.Minutes;
var list = new List <AverageLoadVm>();
for (var i = minutes * -1; i < 0; i++)
{
var timeIndex = end.AddMinutes(i);
var rv = checkins.Where(c => c.SampleTime > timeIndex &&
c.SampleTime < timeIndex.AddMinutes(1)).ToList();
if (!rv.Any())
{
continue;
}
var avg = new AverageLoadVm()
{
AvgCpuLoad = rv.Average(c => c.CpuUtilization),
AvgMemLoad = rv.Average(c => c.RamUtilization),
TimeIndex = timeIndex,
Increment = 1
};
list.Add(avg);
}
return(list);
}
private static List <AverageLoadVm> GetLast24Hours(DateTime time, List <Checkin> checkins)
{
var list = new List <AverageLoadVm>();
for (var i = -24; i < 0; i++)
{
var timeIndex = time.AddHours(i);
var rv = checkins.Where(c => c.SampleTime > timeIndex &&
c.SampleTime < timeIndex.AddHours(1)).ToList();
if (!rv.Any())
{
continue;
}
var avg = new AverageLoadVm()
{
AvgCpuLoad = rv.Average(c => c.CpuUtilization),
AvgMemLoad = rv.Average(c => c.RamUtilization),
TimeIndex = timeIndex,
Increment = 1
};
list.Add(avg);
}
return(list);
}
static List <AverageLoadVm> GetAvgByHour(DateTime start, DateTime end, List <Checkin> checkins)
{
var ts = end - start;
var minutes = ts.Minutes % 60;
var hours = ts.Hours;
List <AverageLoadVm> list = new List <AverageLoadVm>();
var first = new AverageLoadVm()
{
AvgCpuLoad = checkins.Where(c => c.SampleTime > start &&
c.SampleTime < start.AddMinutes(minutes))?
.Average(c => c.CpuUtilization) ?? 0.00D,
AvgMemLoad = checkins.Where(c => c.SampleTime > start &&
c.SampleTime < start.AddMinutes(minutes))?
.Average(c => c.RamUtilization) ?? 0.00D,
TimeIndex = start,
Increment = minutes
};
list.Add(first);
for (var i = hours * -1; i < 0; i++)
{
var timeIndex = end.AddHours(i);
var rv = checkins.Where(c => c.SampleTime > timeIndex &&
c.SampleTime < timeIndex.AddHours(1)).ToList();
if (!rv.Any())
{
continue;
}
var avg = new AverageLoadVm()
{
AvgCpuLoad = rv.Average(c => c.CpuUtilization),
AvgMemLoad = rv.Average(c => c.RamUtilization),
TimeIndex = timeIndex,
Increment = 60
};
list.Add(avg);
}
return(list);
}
