private IReadOnlyCollection<LoadMetricsSummary> GetSummary(string serverName, DateTimeOffset queryOffset, SummaryInterval interval)
{
var metrics = metricsCache.Get(serverName);
if (metrics.Any())
{
var summary = metrics
.OrderByDescending(m => m.CreatedTimeStamp)
.Where(m => m.CreatedTimeStamp >= queryOffset)
.GroupBy(g =>
{
if (interval == SummaryInterval.Hourly)
return g.CreatedTimeStamp.Hour;
else
return g.CreatedTimeStamp.Minute;
})
.Select(g =>
{
var avgCpuLoad = g.Average(m => m.CpuLoad);
var avgRamLoad = g.Average(m => m.RamLoad);
var period = g.Key;
var periodSummary = new LoadMetricsSummary(interval, avgCpuLoad, avgRamLoad, period);
return periodSummary;
}).ToList();
return summary;
}
else
return GetEmptySummary();
}
public LoadMetricsSummaryTests()
{
validMetricsSummary = new LoadMetricsSummary(SummaryInterval.Hourly, 2.45, 15.4, 13);
}
