Exemplo n.º 1
0
        private async Task Initialize()
        {
            await this.semaphoreSlim.WaitAsync();

            try
            {
                if (this.initialized == 1)
                {
                    return;
                }

                var filterParams = new FilterParams
                {
                    StartTimeRelativeMSec   = this.model.Start,
                    EndTimeRelativeMSec     = this.model.End,
                    ExcludeRegExs           = this.model.ExcPats,
                    IncludeRegExs           = this.model.IncPats,
                    FoldRegExs              = this.model.FoldPats,
                    GroupRegExs             = this.model.GroupPats,
                    MinInclusiveTimePercent = this.model.FoldPct,
                    Name = "NoName",
                };

                var ss = new FilterStackSource(filterParams, this.stackSource, ScalingPolicyKind.TimeMetric);

                double startTimeRelativeMsec = double.TryParse(filterParams.StartTimeRelativeMSec, out startTimeRelativeMsec) ? Math.Max(startTimeRelativeMsec, 0.0) : 0.0;
                double endTimeRelativeMsec   = double.TryParse(filterParams.EndTimeRelativeMSec, out endTimeRelativeMsec) ? Math.Min(endTimeRelativeMsec, this.stackSource.SampleTimeRelativeMSecLimit) : this.stackSource.SampleTimeRelativeMSecLimit;

                var c = new CallTree(ScalingPolicyKind.TimeMetric);
                c.TimeHistogramController = new TimeHistogramController(c, startTimeRelativeMsec, endTimeRelativeMsec);
                c.StackSource             = ss;

                if (float.TryParse(filterParams.MinInclusiveTimePercent, out float minIncusiveTimePercent) && minIncusiveTimePercent > 0)
                {
                    c.FoldNodesUnder(minIncusiveTimePercent * c.Root.InclusiveMetric / 100, true);
                }

                var t = new Tuple(c);
                this.tuple = t;

                this.initialized = 1;
            }
            finally
            {
                this.semaphoreSlim.Release();
            }
        }