Exemple #1
0
        public static IEnumerable <SampleWithTrace> ParseFromFile(string filename)
        {
            if (!File.Exists(filename))
            {
                throw new ArgumentException($"Cannot find filename: ${filename}.");
            }

            SampleWithTrace          current      = null;
            List <PerformanceSample> currentStack = new List <PerformanceSample>();

            uint index = 0;

            using (var reader = new StreamReader(filename)) {
                using (CsvReader csvReader = new CsvReader(reader)) {
                    while (csvReader.Read())
                    {
                        var row  = csvReader.GetRecord <dynamic>();
                        var dict = row as IDictionary <string, object>;

                        if (dict["Function"] == null || dict["Function"].ToString() == string.Empty)
                        {
                            if (dict["Function Stack"] == null || dict["Function Stack"].ToString() == string.Empty)
                            {
                                current.AddStack(currentStack);
                                currentStack = new List <PerformanceSample>();
                            }
                            else
                            {
                                PerformanceSample s = new PerformanceSample(dict["Function Stack"].ToString(),
                                                                            dict["CPU Time"].ToString(),
                                                                            dict["Module"].ToString(),
                                                                            dict["Function (Full)"].ToString(),
                                                                            dict["Source File"].ToString(),
                                                                            dict["Start Address"].ToString());
                                currentStack.Add(s);
                            }
                        }
                        else
                        {
                            if (current != null)
                            {
                                yield return(current);
                            }
                            PerformanceSample s = new PerformanceSample(dict["Function"].ToString(),
                                                                        dict["CPU Time"].ToString(),
                                                                        dict["Module"].ToString(),
                                                                        dict["Function (Full)"].ToString(),
                                                                        dict["Source File"].ToString(),
                                                                        dict["Start Address"].ToString()
                                                                        );

                            current = new SampleWithTrace(s);
                        }
                        index += 1;
                    }
                }
            }
            if (current != null)
            {
                yield return(current);
            }
        }
Exemple #2
0
        public static IEnumerable <SampleWithTrace> ParseFromStream(this IEnumerable <string> seq)
        {
            Regex startsWithComma = new Regex("^(,+)(.*)$");

            SampleWithTrace          current      = null;
            List <PerformanceSample> currentStack = null;
            bool atEnd = false;

            foreach (var l in seq)
            {
                Match m = startsWithComma.Match(l);
                if (!m.Success)
                {
                    if (atEnd == true)
                    {
                        if (currentStack != null)
                        {
                            current.AddStack(currentStack);
                            currentStack = null;
                        }
                        yield return(current);
                    }
                    atEnd = false;

                    // should assert record is comma-separated, seven-field, second one empty
                    var fields = l.Split(',');
                    try
                    {
                        /* Function, CPUTime, Module, FunctionFull, SourceFile, StartAddress */
                        current = new SampleWithTrace(new PerformanceSample(fields[0], fields[2], fields[3], fields[4], fields[5], fields[6]));
                    }
                    catch (Exception ex)
                    {
                        // Discard record
                        Console.WriteLine($"Caught exception {ex.Message}");
                    }
                }
                else
                {
                    // assert m.Groups.Count is 3
                    if (m.Groups[1].Length == 1)
                    {
                        if (atEnd == true || currentStack == null)
                        {
                            if (currentStack != null)
                            {
                                current.AddStack(currentStack);
                            }
                            currentStack = new List <PerformanceSample>();
                        }
                        atEnd = false;
                        var fields = m.Groups[2].Value.Split(',');
                        try
                        {
                            /* Function, CPUTime, Module, FunctionFull, SourceFile, StartAddress */
                            currentStack.Add(new PerformanceSample(fields[0], fields[1], fields[2], fields[3], fields[5], fields[5]));
                        }
                        catch (Exception ex)
                        {
                            // Discard record... happens on de-mangled C++ multi-templatized functions on Linux
                            Console.WriteLine($"Caught exception {ex.Message}");
                        }
                    }
                    else
                    {
                        // verify that the only other allowed value for Groups[1].Length is 6?
                        atEnd = true;
                    }
                }
            }

            if (current != null)
            {
                if (currentStack != null)
                {
                    current.AddStack(currentStack);
                }
                yield return(current);
            }
        }