public static IEnumerable <SampleWithTrace> ParseFromFile(string filename)
{
var samples = VTuneStackParser.ReadFromFile(filename)
.Skip(1)
.Select(s => String.Join(",", s.Split(',')
.Select(VTuneStackParser.RemovePrePosComma)))
.ParseFromStream();
return(samples);
}
public static void CPUReportToDWJson(string filename, string outfname, double timeTotal = 0.0)
{
if (!File.Exists(filename))
{
throw new ArgumentException($"Cannot find specified CPU utilization report {filename}");
}
if (timeTotal <= 0)
{
throw new Exception("Invalid runtime specification in CPU utilization report");
}
LongInt durationli = TraceUtils.ToNanoseconds(timeTotal);
var cpuRecords = VTuneStackParser.ReadFromFile(filename)
.Skip(2)
.ParseCPURecords();
/*
* CPUUtilRecord first = cpuRecords.First();
* CPUUtilRecord last = cpuRecords.Last();
*
* CPUUtilTrace trace = new CPUUtilTrace();
* trace.beginTime = new LongInt(0, (long)(first.Start));
* trace.duration = new LongInt(0, (long)(last.End - first.Start));
* trace.counters = new List<ValueTrace> { new ValueTrace(cpuRecords.Select(r => new CPUSample(new LongInt(0, (long)r.Start), (float)r.CPUUtil)).ToList()) };
*/
int steps = cpuRecords.Count() - 1;
double totalTime = timeTotal;
double stepSize = totalTime / steps;
List <ValueTrace> vts = new List <ValueTrace>();
vts.Add(new ValueTrace(Enumerable.Range(0, int.MaxValue).Take(steps).Zip(cpuRecords, (x, y) => new CPUSample(TraceUtils.ToNanoseconds(x * stepSize), (float)(y.CPUUtil)))));
CPUUtilTrace trace = new CPUUtilTrace
{
beginTime = new LongInt(0, 0),
//duration = new LongInt(0, totalTime),
duration = durationli,
counters = vts
};
string json = JsonConvert.SerializeObject(trace, Formatting.Indented);
// var fs = new FileStream(@"C:\users\perf\Sample2.counters", FileMode.Create);
var fs = new FileStream(outfname, FileMode.Create);
using (StreamWriter writer = new StreamWriter(fs, Encoding.Unicode)) // encoding in Unicode here is key
{
writer.WriteLine(json);
}
}