This macro run several tests and produces an benchmark report. 
 
hsimple   : Real Time =   0.07 seconds Cpu Time =   0.07 seconds
(TFile *) 0x559f34740cb0
hsum      : Real Time =   0.03 seconds Cpu Time =   0.03 seconds
 
Object statistics
class                         cnt    on heap     size    total size    heap size
================================================================================
TList                         137        137      104         14248        14248
TObjectTable                    1          1       32            32           32
TROOT                           1          0      704           704            0
TPluginManager                  1          1       40            40           40
THashTable                      1          1       72            72           72
THashList                       1          1      112           112          112
TEnv                            1          1       56            56           56
TEnvRec                       154        154       96         14784        14784
TUnixSystem                     1          1      648           648          648
TOrdCollection                  5          5       72           360          360
--------------------------------------------------------------------------------
Total:                        303        302     1936         31056        30352
================================================================================
 
fillrandom: Real Time =   0.09 seconds Cpu Time =   0.09 seconds
TFile**     fillrandom.root   
 TFile*     fillrandom.root   
  KEY: TFormula   form1;1  abs(sin(x)/x)
  KEY: TF1  sqroot;1 x*gaus(0) + [3]*form1
  KEY: TH1F h1f;1 Test random numbers
Formula based function:     sqroot 
               sqroot : x*gaus(0) + [3]*form1 Ndim= 1, Npar= 4, Number= 0 
 Formula expression: 
   x*[p0]*exp(-0.5*((x-[p1])/[p2])*((x-[p1])/[p2]))+[p3]*(abs(sin(x)/x)) 
 FCN=183.298 FROM MIGRAD    STATUS=CONVERGED     125 CALLS         126 TOTAL
                     EDM=7.04762e-08    STRATEGY= 1  ERROR MATRIX UNCERTAINTY   8.6 per cent
  EXT PARAMETER                                   STEP         FIRST   
  NO.   NAME      VALUE            ERROR          SIZE      DERIVATIVE 
   1  p0           3.30165e+01   5.26633e-01  -2.59910e-03  -5.45740e-04
   2  p1           4.01832e+00   1.75826e-02  -1.96088e-05  -2.78104e-02
   3  p2           9.87051e-01   1.23910e-02   8.49014e-06  -3.48986e-02
   4  p3           6.36880e+01   1.33730e+00   7.21954e-03  -2.31061e-04
fit1      : Real Time =   0.08 seconds Cpu Time =   0.08 seconds
TFile**     hsimple.root   Demo ROOT file with histograms
 TFile*     hsimple.root   Demo ROOT file with histograms
  KEY: TH1F hpx;1 This is the px distribution
  KEY: TH2F hpxpy;1  py vs px
  KEY: TProfile   hprof;1  Profile of pz versus px
  KEY: TNtuple ntuple;1 Demo ntuple
 i 0 0.000000 1.986693 
 i 1 0.100000 2.955202 
 i 2 0.200000 3.894183 
 i 3 0.300000 4.794255 
 i 4 0.400000 5.646425 
 i 5 0.500000 6.442177 
 i 6 0.600000 7.173561 
 i 7 0.700000 7.833269 
 i 8 0.800000 8.414710 
 i 9 0.900000 8.912074 
 i 10 1.000000 9.320391 
 i 11 1.100000 9.635582 
 i 12 1.200000 9.854497 
 i 13 1.300000 9.974950 
 i 14 1.400000 9.995736 
 i 15 1.500000 9.916648 
 i 16 1.600000 9.738476 
 i 17 1.700000 9.463001 
 i 18 1.800000 9.092974 
 i 19 1.900000 8.632094 
tornado   : Real Time =   0.00 seconds Cpu Time =   0.00 seconds
na49      : Real Time =   0.01 seconds Cpu Time =   0.01 seconds
geometry  : Real Time =   0.03 seconds Cpu Time =   0.03 seconds
na49view  : Real Time =   0.01 seconds Cpu Time =   0.00 seconds
 
****************************************
Minimizer is Linear / Migrad
Chi2                      =      16.5378
NDf                       =           68
p0                        =      1.04821   +/-   0.226552    
p1                        =    0.0133784   +/-   0.0420448   
p2                        =     0.956034   +/-   0.0245116   
ntuple1   : Real Time =   0.17 seconds Cpu Time =   0.17 seconds
---------------ROOT 6.20/09 benchmarks summary--------------------
hsimple   : Real Time =   0.07 seconds Cpu Time =   0.07 seconds
hsum      : Real Time =   0.03 seconds Cpu Time =   0.03 seconds
fillrandom: Real Time =   0.09 seconds Cpu Time =   0.09 seconds
fit1      : Real Time =   0.08 seconds Cpu Time =   0.08 seconds
tornado   : Real Time =   0.00 seconds Cpu Time =   0.00 seconds
na49      : Real Time =   0.01 seconds Cpu Time =   0.01 seconds
geometry  : Real Time =   0.03 seconds Cpu Time =   0.03 seconds
na49view  : Real Time =   0.01 seconds Cpu Time =   0.00 seconds
ntuple1   : Real Time =   0.17 seconds Cpu Time =   0.17 seconds
TOTAL     : Real Time =   0.49 seconds Cpu Time =   0.48 seconds
 
---------------ROOT 6.20/09 benchmarks summary (in ROOTMARKS)-----
   For comparison, a Pentium IV 2.4Ghz is benchmarked at 600 ROOTMARKS
hsimple     = 2389.42 RealMARKS,  = 2400.00 CpuMARKS
hsum        = 3128.57 RealMARKS,  = 3000.00 CpuMARKS
fillrandom  =  133.58 RealMARKS,  =   66.67 CpuMARKS
fit1        =  303.36 RealMARKS,  =  225.00 CpuMARKS
tornado     = 28708.45 RealMARKS,  =     inf CpuMARKS
na49        = 84479.66 RealMARKS,  = 83400.00 CpuMARKS
geometry    = 3359.55 RealMARKS,  = 3600.00 CpuMARKS
na49view    = 3358.73 RealMARKS,  =     inf CpuMARKS
ntuple1     = 1023.84 RealMARKS,  =  952.94 CpuMARKS
 
****************************************************
* Your machine is estimated at 4127.03 ROOTMARKS   *
****************************************************
   
 
void bexec(
TString &dir,
const char *macro)
 
{
   if (
gROOT->IsBatch()) printf(
"Processing benchmark: %s%s\n",dir.
Data(),macro);
 
 
 
 
}
 
   bench1 = 
new TCanvas(
"bench1",
"Benchmarks Summary",-1000,50,200,500);
 
   summary->
AddText(
"  graphics/framework.C");
 
   summary->
AddText(
"  graphics/formula1.C");
 
   summary->
AddText(
"  hist/fillrandom.C");
 
   summary->
AddText(
"  hist/h1draw.C");
 
   summary->
AddText(
"  graphs/graph.C");
 
   summary->
AddText(
"  graphs/gerrors.C");
 
   summary->
AddText(
"  graphics/tornado.C");
 
   summary->
AddText(
"  graphs/surfaces.C");
 
   summary->
AddText(
"  graphs/zdemo.C");
 
   summary->
AddText(
"  geom/geometry.C");
 
   summary->
AddText(
"  geom/na49view.C");
 
   summary->
AddText(
"  tree/ntuple1.C");
 
   bexec(dir,"graphics/framework.C");
   bexec(dir,"hsimple.C");
   bexec(dir,"hist/hsum.C");
   bexec(dir,"graphics/formula1.C");
   bexec(dir,"hist/fillrandom.C");
   bexec(dir,"fit/fit1.C");
   bexec(dir,"hist/h1draw.C");
   bexec(dir,"graphs/graph.C");
   bexec(dir,"graphs/gerrors.C");
   bexec(dir,"graphics/tornado.C");
   bexec(dir,"graphs/surfaces.C");
   bexec(dir,"graphs/zdemo.C");
   bexec(dir,"geom/geometry.C");
   bexec(dir,"geom/na49view.C");
   bexec(dir,"tree/ntuple1.C");
   bexec(dir,"legacy/rootmarks.C");
}
char * Form(const char *fmt,...)
 
R__EXTERN TSystem * gSystem
 
virtual void SetTextAlign(Short_t align=11)
Set the text alignment.
 
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
 
virtual void SetTextSize(Float_t tsize=1)
Set the text size.
 
virtual void Update()
Update canvas pad buffers.
 
void Modified(Bool_t flag=1)
 
virtual TObject * GetPrimitive(const char *name) const
Get primitive.
 
A Pave (see TPave) with text, lines or/and boxes inside.
 
virtual TText * AddText(Double_t x1, Double_t y1, const char *label)
Add a new Text line to this pavetext at given coordinates.
 
virtual void Draw(Option_t *option="")
Draw this pavetext with its current attributes.
 
virtual TText * GetLineWith(const char *text) const
Get Pointer to first containing string text in this pavetext.
 
const char * Data() const
 
TString & ReplaceAll(const TString &s1, const TString &s2)
 
virtual const char * UnixPathName(const char *unixpathname)
Convert from a Unix pathname to a local pathname.
 
virtual Bool_t ProcessEvents()
Process pending events (GUI, timers, sockets).
 
Base class for several text objects.