1 | /*
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2 | root -l examples/MemoryUsage.C\(\"ps_output.txt\"\)
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3 | */
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4 |
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5 | #include "Riostream.h"
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6 |
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7 | static const Font_t kExRootFont = 42;
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8 | static const Float_t kExRootFontSize = 0.04;
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9 | static const Color_t kExRootBackgroundColor = 10;
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10 |
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11 | //------------------------------------------------------------------------------
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12 |
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13 | TGraph grvsz, grrss;
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14 |
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15 | //------------------------------------------------------------------------------
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16 |
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17 | void MemoryUsage(const char *inputFile)
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18 | {
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19 | Int_t i, vsz, rss;
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20 | ifstream in;
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21 |
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22 | TDirectory *currentDirectory = gDirectory;
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23 |
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24 | // Graphics style parameters to avoid grey background on figures
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25 | gStyle->SetCanvasColor(kExRootBackgroundColor);
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26 | gStyle->SetStatColor(kExRootBackgroundColor);
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27 | // gStyle->SetTitleColor(kExRootBackgroundColor);
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28 | gStyle->SetPadColor(kExRootBackgroundColor);
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29 |
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30 | gStyle->SetPadTopMargin(0.10);
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31 | gStyle->SetPadRightMargin(0.10);
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32 | gStyle->SetPadBottomMargin(0.15);
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33 | gStyle->SetPadLeftMargin(0.15);
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34 |
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35 | gStyle->SetStatFont(kExRootFont);
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36 | gStyle->SetStatFontSize(kExRootFontSize);
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37 |
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38 | gStyle->SetTitleFont(kExRootFont, "");
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39 | gStyle->SetTitleFont(kExRootFont, "X");
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40 | gStyle->SetTitleFont(kExRootFont, "Y");
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41 | gStyle->SetTitleFont(kExRootFont, "Z");
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42 | gStyle->SetTitleSize(kExRootFontSize, "");
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43 | gStyle->SetTitleSize(kExRootFontSize, "X");
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44 | gStyle->SetTitleSize(kExRootFontSize, "Y");
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45 | gStyle->SetTitleSize(kExRootFontSize, "Z");
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46 |
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47 | gStyle->SetLabelFont(kExRootFont, "X");
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48 | gStyle->SetLabelFont(kExRootFont, "Y");
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49 | gStyle->SetLabelFont(kExRootFont, "Z");
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50 | gStyle->SetLabelSize(kExRootFontSize, "X");
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51 | gStyle->SetLabelSize(kExRootFontSize, "Y");
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52 | gStyle->SetLabelSize(kExRootFontSize, "Z");
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53 |
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54 | gStyle->SetPadTickX(1);
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55 | gStyle->SetPadTickY(1);
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56 |
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57 | gStyle->SetTextFont(kExRootFont);
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58 | gStyle->SetTextSize(kExRootFontSize);
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59 |
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60 | gStyle->SetOptStat(111110);
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61 | // gStyle->SetOptFit(101);
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62 |
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63 | canvas = static_cast<TCanvas*>(gROOT->FindObject("c1"));
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64 | if(canvas)
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65 | {
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66 | canvas->Clear();
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67 | canvas->UseCurrentStyle();
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68 | canvas->SetWindowSize(800, 650);
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69 | }
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70 | else
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71 | {
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72 | canvas = new TCanvas("c1", "c1", 800, 650);
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73 | }
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74 | canvas->SetLogy(0);
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75 | canvas->SetHighLightColor(kExRootBackgroundColor);
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76 |
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77 | currentDirectory->cd();
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78 |
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79 | grvsz.SetPoint(1, 0.0, 0.0);
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80 | grrss.SetPoint(1, 0.0, 0.0);
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81 |
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82 | in.open(inputFile);
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83 | i = 2;
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84 | while(1)
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85 | {
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86 | in >> vsz >> rss;
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87 | if(!in.good()) break;
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88 | grvsz.SetPoint(i, (i-1)*0.1, vsz);
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89 | grrss.SetPoint(i, (i-1)*0.1, rss);
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90 | ++i;
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91 | }
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92 |
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93 | grvsz.GetXaxis()->SetLimits(0, 30);
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94 | grvsz.GetXaxis()->SetTitleOffset(1.5);
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95 | grvsz.GetYaxis()->SetTitleOffset(1.75);
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96 | grvsz.GetXaxis()->SetTitle("time, s");
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97 | grvsz.GetYaxis()->SetTitle("memory usage, kB");
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98 | grvsz.SetLineColor(kRed);
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99 | grrss.SetLineColor(kMagenta);
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100 | grvsz.SetLineWidth(2);
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101 | grrss.SetLineWidth(2);
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102 | grvsz.Draw("AL");
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103 | grrss.Draw("L");
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104 | }
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105 |
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