| 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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