1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Linq;
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25 | using System.Web.Mvc;
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26 | using HeuristicLab.Services.Hive.DataAccess;
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27 |
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28 | namespace HeuristicLab.Services.Hive.Statistics.Controllers {
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29 | public class ChartDataController : Controller {
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30 | private static readonly TimeSpan DefaultDuration = new TimeSpan(1, 0, 0, 0);
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31 |
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32 | public JsonResult AverageCpuUtilization(DateTime? start = null, DateTime? end = null) {
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33 | using (var db = new HiveDataContext(Settings.Default.HeuristicLab_Hive_LinqConnectionString)) {
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34 | var data =
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35 | from facts in GetClientFacts(db, start, end)
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36 | select new {
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37 | Time = facts.Key,
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38 | CpuUtilization = facts.Average(x => x.CpuUtilization)
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39 | };
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40 |
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41 | return Json(
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42 | CreateSeriesData(data.ToList(), x => x.Time, x => x.CpuUtilization),
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43 | JsonRequestBehavior.AllowGet);
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44 | }
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45 | }
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46 |
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47 | public JsonResult UsedCores(DateTime? start = null, DateTime? end = null) {
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48 | using (var db = new HiveDataContext(Settings.Default.HeuristicLab_Hive_LinqConnectionString)) {
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49 | var data =
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50 | from facts in GetClientFacts(db, start, end)
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51 | select new {
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52 | Time = facts.Key,
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53 | UsedCores = facts.Sum(x => x.NumUsedCores),
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54 | TotalCores = facts.Sum(x => x.NumTotalCores)
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55 | };
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56 |
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57 | return Json(
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58 | CreateSeriesData(data.ToList(), x => x.Time, x => x.UsedCores, x => x.TotalCores),
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59 | JsonRequestBehavior.AllowGet);
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60 | }
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61 | }
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62 |
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63 | public JsonResult UsedMemory(DateTime? start = null, DateTime? end = null) {
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64 | using (var db = new HiveDataContext(Settings.Default.HeuristicLab_Hive_LinqConnectionString)) {
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65 | var data =
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66 | from facts in GetClientFacts(db, start, end)
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67 | select new {
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68 | Time = facts.Key,
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69 | UsedMemory = facts.Sum(x => x.UsedMemory),
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70 | TotalMemory = facts.Sum(x => x.TotalMemory)
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71 | };
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72 |
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73 | return Json(
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74 | CreateSeriesData(data.ToList(), x => x.Time, x => x.UsedMemory, x => x.TotalMemory),
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75 | JsonRequestBehavior.AllowGet);
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76 | }
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77 | }
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78 |
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79 | private static IOrderedQueryable<IGrouping<DateTime, FactClientInfo>> GetClientFacts(HiveDataContext db, DateTime? start = null, DateTime? end = null) {
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80 | start = start ?? DateTime.Now - DefaultDuration;
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81 | end = end ?? DateTime.Now;
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82 |
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83 | return from ci in db.FactClientInfos
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84 | where ci.DimTime.Time > start && ci.DimTime.Time < end
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85 | group ci by ci.DimTime.Time into timeGroup
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86 | orderby timeGroup.Key
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87 | select timeGroup;
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88 | }
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89 |
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90 | private static IEnumerable<IEnumerable<object[]>> CreateSeriesData<T>(IEnumerable<T> data, Func<T, DateTime> timeSelector, params Func<T, object>[] selectors) {
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91 | return selectors.Select(selector =>
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92 | data.Select(x => new[] {
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93 | timeSelector(x).ToString("yyyy-MM-dd HH:mm"),
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94 | selector(x)
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95 | })
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96 | );
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97 | }
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98 | }
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99 | }
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