tools/plot/fio2gnuplot

   1 #!/usr/bin/env python
   2 #
   3 #  Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
   4 #  Author: Erwan Velu  <erwan@enovance.com>
   5 #
   6 #  The license below covers all files distributed with fio unless otherwise
   7 #  noted in the file itself.
   8 #
   9 #  This program is free software; you can redistribute it and/or modify
  10 #  it under the terms of the GNU General Public License version 2 as
  11 #  published by the Free Software Foundation.
  12 #
  13 #  This program is distributed in the hope that it will be useful,
  14 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #  GNU General Public License for more details.
  17 #
  18 #  You should have received a copy of the GNU General Public License
  19 #  along with this program; if not, write to the Free Software
  20 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21
  22 import os
  23 import fnmatch
  24 import sys
  25 import getopt
  26 import re
  27 import math
  28 import shutil
  29
  30 def find_file(path, pattern):
  31         fio_data_file=[]
  32         # For all the local files
  33         for file in os.listdir(path):
  34             # If the file matches the glob
  35             if fnmatch.fnmatch(file, pattern):
  36                 # Let's consider this file
  37                 fio_data_file.append(file)
  38
  39         return fio_data_file
  40
  41 def generate_gnuplot_script(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir):
  42         if verbose: print "Generating rendering scripts"
  43         filename=gnuplot_output_dir+'mygraph'
  44         temporary_files.append(filename)
  45         f=open(filename,'w')
  46
  47         # Plotting 3D or comparing graphs doesn't have a meaning unless if there is at least 2 traces
  48         if len(fio_data_file) > 1:
  49                 f.write("call \'%s/graph3D.gpm\' \'%s' \'%s\' \'\' \'%s\' \'%s\'\n" % (gpm_dir,title,gnuplot_output_filename,gnuplot_output_filename,mode))
  50
  51                 # Setting up the compare files that will be plot later
  52                 compare=open(gnuplot_output_dir + 'compare.gnuplot','w')
  53                 compare.write('''
  54 set title '%s'
  55 set terminal png size 1280,1024
  56 set ytics axis out auto
  57 set key top left reverse
  58 set xlabel "Time (Seconds)"
  59 set ylabel '%s'
  60 set yrange [0:]
  61 set style line 1 lt 1 lw 3 pt 3 linecolor rgb "green"
  62 '''% (title,mode))
  63                 compare.close()
  64                 #Copying the common file for all kind of graph (raw/smooth/trend)
  65                 compare_raw_filename="compare-%s-2Draw" % (gnuplot_output_filename)
  66                 compare_smooth_filename="compare-%s-2Dsmooth" % (gnuplot_output_filename)
  67                 compare_trend_filename="compare-%s-2Dtrend" % (gnuplot_output_filename)
  68
  69                 shutil.copy(gnuplot_output_dir+'compare.gnuplot',gnuplot_output_dir+compare_raw_filename+".gnuplot")
  70                 shutil.copy(gnuplot_output_dir+'compare.gnuplot',gnuplot_output_dir+compare_smooth_filename+".gnuplot")
  71                 shutil.copy(gnuplot_output_dir+'compare.gnuplot',gnuplot_output_dir+compare_trend_filename+".gnuplot")
  72                 temporary_files.append(gnuplot_output_dir+compare_raw_filename+".gnuplot")
  73                 temporary_files.append(gnuplot_output_dir+compare_smooth_filename+".gnuplot")
  74                 temporary_files.append(gnuplot_output_dir+compare_trend_filename+".gnuplot")
  75
  76                 #Setting up a different output filename for each kind of graph
  77                 compare_raw=open(gnuplot_output_dir+compare_raw_filename + ".gnuplot",'a')
  78                 compare_raw.write("set output '%s.png'\n" % compare_raw_filename)
  79                 compare_smooth=open(gnuplot_output_dir+compare_smooth_filename+".gnuplot",'a')
  80                 compare_smooth.write("set output '%s.png'\n" % compare_smooth_filename)
  81                 compare_trend=open(gnuplot_output_dir+compare_trend_filename+".gnuplot",'a')
  82                 compare_trend.write("set output '%s.png'\n" % compare_trend_filename)
  83
  84                 # Let's plot the average value for all the traces
  85                 global_disk_perf = sum(disk_perf, [])
  86                 global_avg  = average(global_disk_perf)
  87                 compare_raw.write("plot %s w l ls 1 ti 'Global average value (%.2f)'" % (global_avg,global_avg));
  88                 compare_smooth.write("plot %s w l ls 1 ti 'Global average value (%.2f)'" % (global_avg,global_avg));
  89                 compare_trend.write("plot %s w l ls 1 ti 'Global average value (%.2f)'" % (global_avg,global_avg));
  90
  91         pos=0
  92         # Let's create a temporary file for each selected fio file
  93         for file in fio_data_file:
  94                 tmp_filename = "gnuplot_temp_file.%d" % pos
  95
  96                 # Plotting comparing graphs doesn't have a meaning unless if there is at least 2 traces
  97                 if len(fio_data_file) > 1:
  98                         # Adding the plot instruction for each kind of comparing graphs
  99                         compare_raw.write(",\\\n'%s' using 2:3 with linespoints title '%s'" % (tmp_filename,fio_data_file[pos]))
 100                         compare_smooth.write(",\\\n'%s' using 2:3 smooth csplines title '%s'" % (tmp_filename,fio_data_file[pos]))
 101                         compare_trend.write(",\\\n'%s' using 2:3 smooth bezier title '%s'" % (tmp_filename,fio_data_file[pos]))
 102
 103                 png_file=file.replace('.log','')
 104                 raw_filename = "%s-2Draw" % (png_file)
 105                 smooth_filename = "%s-2Dsmooth" % (png_file)
 106                 trend_filename = "%s-2Dtrend" % (png_file)
 107                 avg  = average(disk_perf[pos])
 108                 f.write("call \'%s/graph2D.gpm\' \'%s' \'%s\' \'%s\' \'%s\' \'%s\' \'%s\' \'%s\' \'%f\'\n" % (gpm_dir,title,tmp_filename,fio_data_file[pos],raw_filename,mode,smooth_filename,trend_filename,avg))
 109                 pos = pos +1
 110
 111         # Plotting comparing graphs doesn't have a meaning unless if there is at least 2 traces
 112         if len(fio_data_file) > 1:
 113                 os.remove(gnuplot_output_dir+"compare.gnuplot")
 114                 compare_raw.close()
 115                 compare_smooth.close()
 116                 compare_trend.close()
 117         f.close()
 118
 119 def generate_gnuplot_math_script(title,gnuplot_output_filename,mode,average,gnuplot_output_dir,gpm_dir):
 120         filename=gnuplot_output_dir+'mymath';
 121         temporary_files.append(filename)
 122         f=open(filename,'a')
 123         f.write("call \'%s/math.gpm\' \'%s' \'%s\' \'\' \'%s\' \'%s\' %s\n" % (gpm_dir,title,gnuplot_output_filename,gnuplot_output_filename,mode,average))
 124         f.close()
 125
 126 def compute_aggregated_file(fio_data_file, gnuplot_output_filename, gnuplot_output_dir):
 127         if verbose: print "Processing data file 2/2"
 128         temp_files=[]
 129         pos=0
 130
 131         # Let's create a temporary file for each selected fio file
 132         for file in fio_data_file:
 133                 tmp_filename = "%sgnuplot_temp_file.%d" % (gnuplot_output_dir, pos)
 134                 temp_files.append(open(tmp_filename,'r'))
 135                 pos = pos +1
 136
 137         f = open(gnuplot_output_dir+gnuplot_output_filename, "w")
 138         temporary_files.append(gnuplot_output_dir+gnuplot_output_filename)
 139         index=0
 140         # Let's add some information
 141         for tempfile in temp_files:
 142                     f.write("# Disk%d was coming from %s\n" % (index,fio_data_file[index]))
 143                     f.write(tempfile.read())
 144                     f.write("\n")
 145                     tempfile.close()
 146                     index = index + 1
 147         f.close()
 148
 149 def average(s): return sum(s) * 1.0 / len(s)
 150
 151 def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir, min_time, max_time):
 152         end_time=max_time
 153         if end_time == -1:
 154                 end_time="infinite"
 155         if verbose: print "Processing data file 1/2 with %s<time<%s" % (min_time,end_time)
 156         files=[]
 157         temp_outfile=[]
 158         blk_size=0
 159         for file in fio_data_file:
 160                 files.append(open(file))
 161                 pos = len(files) - 1
 162                 tmp_filename = "%sgnuplot_temp_file.%d" % (gnuplot_output_dir,pos)
 163                 temporary_files.append(tmp_filename)
 164                 gnuplot_file=open(tmp_filename,'w')
 165                 temp_outfile.append(gnuplot_file)
 166                 gnuplot_file.write("#Temporary file based on file %s\n" % file)
 167                 disk_perf.append([])
 168
 169         shall_break = False
 170         while True:
 171                 current_line=[]
 172                 nb_empty_files=0
 173                 nb_files=len(files)
 174                 for myfile in files:
 175                         s=myfile.readline().replace(',',' ').split()
 176                         if not s:
 177                                 nb_empty_files+=1
 178                                 s="-1, 0, 0, 0".replace(',',' ').split()
 179
 180                         if (nb_empty_files == nb_files):
 181                                 shall_break=True
 182                                 break;
 183
 184                         current_line.append(s);
 185
 186                 if shall_break == True:
 187                         break
 188
 189                 last_time = -1
 190                 index=-1
 191                 perfs=[]
 192                 for line in enumerate(current_line):
 193                         # Index will be used to remember what file was featuring what value
 194                         index=index+1
 195
 196                         time, perf, x, block_size = line[1]
 197                         if (blk_size == 0):
 198                                 try:
 199                                         blk_size=int(block_size)
 200                                 except:
 201                                         print "Error while reading the following line :"
 202                                         print line
 203                                         sys.exit(1);
 204
 205                         # We ignore the first 500msec as it doesn't seems to be part of the real benchmark
 206                         # Time < 500 usually reports BW=0 breaking the min computing
 207                         if (min_time == 0):
 208                                 min_time==0.5
 209
 210                         # Then we estimate if the data we got is part of the time range we want to plot
 211                         if ((float(time)>(float(min_time)*1000)) and ((int(time) < (int(max_time)*1000)) or max_time==-1)):
 212                                         disk_perf[index].append(int(perf))
 213                                         perfs.append("%d %s %s"% (index, time, perf))
 214
 215                 # If we reach this point, it means that all the traces are coherent
 216                 for p in enumerate(perfs):
 217                         index, perf_time,perf = p[1].split()
 218                         temp_outfile[int(index)].write("%s %.2f %s\n" % (index, float(float(perf_time)/1000), perf))
 219
 220
 221         for file in files:
 222                 file.close()
 223         for file in temp_outfile:
 224                 file.close()
 225         return blk_size
 226
 227 def compute_math(fio_data_file, title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir):
 228         if verbose: print "Computing Maths"
 229         global_min=[]
 230         global_max=[]
 231         average_file=open(gnuplot_output_dir+gnuplot_output_filename+'.average', 'w')
 232         min_file=open(gnuplot_output_dir+gnuplot_output_filename+'.min', 'w')
 233         max_file=open(gnuplot_output_dir+gnuplot_output_filename+'.max', 'w')
 234         stddev_file=open(gnuplot_output_dir+gnuplot_output_filename+'.stddev', 'w')
 235         global_file=open(gnuplot_output_dir+gnuplot_output_filename+'.global','w')
 236         temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.average')
 237         temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.min')
 238         temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.max')
 239         temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.stddev')
 240         temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.global')
 241
 242         min_file.write('DiskName %s\n' % mode)
 243         max_file.write('DiskName %s\n'% mode)
 244         average_file.write('DiskName %s\n'% mode)
 245         stddev_file.write('DiskName %s\n'% mode )
 246         for disk in xrange(len(fio_data_file)):
 247 #               print disk_perf[disk]
 248                 min_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
 249                 max_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
 250                 average_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
 251                 stddev_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
 252                 avg  = average(disk_perf[disk])
 253                 variance = map(lambda x: (x - avg)**2, disk_perf[disk])
 254                 standard_deviation = math.sqrt(average(variance))
 255 #               print "Disk%d [ min=%.2f max=%.2f avg=%.2f stddev=%.2f \n" % (disk,min(disk_perf[disk]),max(disk_perf[disk]),avg, standard_deviation)
 256                 average_file.write('%d %d\n' % (disk, avg))
 257                 stddev_file.write('%d %d\n' % (disk, standard_deviation))
 258                 local_min=min(disk_perf[disk])
 259                 local_max=max(disk_perf[disk])
 260                 min_file.write('%d %d\n' % (disk, local_min))
 261                 max_file.write('%d %d\n' % (disk, local_max))
 262                 global_min.append(int(local_min))
 263                 global_max.append(int(local_max))
 264
 265         global_disk_perf = sum(disk_perf, [])
 266         avg  = average(global_disk_perf)
 267         variance = map(lambda x: (x - avg)**2, global_disk_perf)
 268         standard_deviation = math.sqrt(average(variance))
 269
 270         global_file.write('min=%.2f\n' % min(global_disk_perf))
 271         global_file.write('max=%.2f\n' % max(global_disk_perf))
 272         global_file.write('avg=%.2f\n' % avg)
 273         global_file.write('stddev=%.2f\n' % standard_deviation)
 274         global_file.write('values_count=%d\n' % len(global_disk_perf))
 275         global_file.write('disks_count=%d\n' % len(fio_data_file))
 276         #print "Global [ min=%.2f max=%.2f avg=%.2f stddev=%.2f \n" % (min(global_disk_perf),max(global_disk_perf),avg, standard_deviation)
 277
 278         average_file.close()
 279         min_file.close()
 280         max_file.close()
 281         stddev_file.close()
 282         global_file.close()
 283         try:
 284                 os.remove(gnuplot_output_dir+'mymath')
 285         except:
 286                 True
 287
 288         generate_gnuplot_math_script("Average values of "+title,gnuplot_output_filename+'.average',mode,int(avg),gnuplot_output_dir,gpm_dir)
 289         generate_gnuplot_math_script("Min values of "+title,gnuplot_output_filename+'.min',mode,average(global_min),gnuplot_output_dir,gpm_dir)
 290         generate_gnuplot_math_script("Max values of "+title,gnuplot_output_filename+'.max',mode,average(global_max),gnuplot_output_dir,gpm_dir)
 291         generate_gnuplot_math_script("Standard Deviation of "+title,gnuplot_output_filename+'.stddev',mode,int(standard_deviation),gnuplot_output_dir,gpm_dir)
 292
 293 def parse_global_files(fio_data_file, global_search):
 294         max_result=0
 295         max_file=''
 296         for file in fio_data_file:
 297                 f=open(file)
 298                 disk_count=0
 299                 search_value=-1
 300
 301                 # Let's read the complete file
 302                 while True:
 303                         try:
 304                                 # We do split the name from the value
 305                                 name,value=f.readline().split("=")
 306                         except:
 307                                 f.close()
 308                                 break
 309                         # If we ended the file
 310                         if not name:
 311                                 # Let's process what we have
 312                                 f.close()
 313                                 break
 314                         else:
 315                                 # disks_count is not global_search item
 316                                 # As we need it for some computation, let's save it
 317                                 if name=="disks_count":
 318                                         disks_count=int(value)
 319
 320                                 # Let's catch the searched item
 321                                 if global_search in name:
 322                                         search_value=float(value)
 323
 324                 # Let's process the avg value by estimated the global bandwidth per file
 325                 # We keep the biggest in memory for reporting
 326                 if global_search == "avg":
 327                         if (disks_count > 0) and (search_value != -1):
 328                                 result=disks_count*search_value
 329                                 if (result > max_result):
 330                                         max_result=result
 331                                         max_file=file
 332         # Let's print the avg output
 333         if global_search == "avg":
 334                 print "Biggest aggregated value of %s was %2.f in file %s\n" % (global_search, max_result, max_file)
 335         else:
 336                 print "Global search %s is not yet implemented\n" % global_search
 337
 338 def render_gnuplot(fio_data_file, gnuplot_output_dir):
 339         print "Running gnuplot Rendering"
 340         try:
 341                 # Let's render all the compared files if some
 342                 if len(fio_data_file) > 1:
 343                         if verbose: print " |-> Rendering comparing traces"
 344                         os.system("cd %s; for i in *.gnuplot; do gnuplot $i; done" % gnuplot_output_dir)
 345                 if verbose: print " |-> Rendering math traces"
 346                 os.system("cd %s; gnuplot mymath" % gnuplot_output_dir)
 347                 if verbose: print " |-> Rendering 2D & 3D traces"
 348                 os.system("cd %s; gnuplot mygraph" % gnuplot_output_dir)
 349
 350                 name_of_directory="the current"
 351                 if gnuplot_output_dir != "./":
 352                         name_of_directory=gnuplot_output_dir
 353                 print "\nRendering traces are available in %s directory" % name_of_directory
 354                 global keep_temp_files
 355                 keep_temp_files=False
 356         except:
 357                 print "Could not run gnuplot on mymath or mygraph !\n"
 358                 sys.exit(1);
 359
 360 def print_help():
 361     print 'fio2gnuplot -ghbiodvk -t <title> -o <outputfile> -p <pattern> -G <type> -m <time> -M <time>'
 362     print
 363     print '-h --help                           : Print this help'
 364     print '-p <pattern> or --pattern <pattern> : A glob pattern to select fio input files'
 365     print '-b           or --bandwidth         : A predefined pattern for selecting *_bw.log files'
 366     print '-i           or --iops              : A predefined pattern for selecting *_iops.log files'
 367     print '-g           or --gnuplot           : Render gnuplot traces before exiting'
 368     print '-o           or --outputfile <file> : The basename for gnuplot traces'
 369     print '                                       - Basename is set with the pattern if defined'
 370     print '-d           or --outputdir <dir>   : The directory where gnuplot shall render files'
 371     print '-t           or --title <title>     : The title of the gnuplot traces'
 372     print '                                       - Title is set with the block size detected in fio traces'
 373     print '-G           or --Global <type>     : Search for <type> in .global files match by a pattern'
 374     print '                                       - Available types are : min, max, avg, stddev'
 375     print '                                       - The .global extension is added automatically to the pattern'
 376     print '-m           or --min_time <time>   : Only consider data starting from <time> seconds (default is 0)'
 377     print '-M           or --max_time <time>   : Only consider data ending before <time> seconds (default is -1 aka nolimit)'
 378     print '-v           or --verbose           : Increasing verbosity'
 379     print '-k           or --keep              : Keep all temporary files from gnuplot\'s output dir'
 380
 381 def main(argv):
 382     mode='unknown'
 383     pattern=''
 384     pattern_set_by_user=False
 385     title='No title'
 386     gnuplot_output_filename='result'
 387     gnuplot_output_dir='./'
 388     gpm_dir="/usr/share/fio/"
 389     disk_perf=[]
 390     run_gnuplot=False
 391     parse_global=False
 392     global_search=''
 393     min_time=0
 394     max_time=-1
 395     global verbose
 396     verbose=False
 397     global temporary_files
 398     temporary_files=[]
 399     global keep_temp_files
 400     keep_temp_files=True
 401     force_keep_temp_files=False
 402
 403     if not os.path.isfile(gpm_dir+'math.gpm'):
 404             gpm_dir="/usr/local/share/fio/"
 405             if not os.path.isfile(gpm_dir+'math.gpm'):
 406                     print "Looks like fio didn't get installed properly as no gpm files found in '/usr/share/fio' or '/usr/local/share/fio'\n"
 407                     sys.exit(3)
 408
 409     try:
 410             opts, args = getopt.getopt(argv[1:],"ghkbivo:d:t:p:G:m:M:",['bandwidth', 'iops', 'pattern', 'outputfile', 'outputdir', 'title', 'min_time', 'max_time', 'gnuplot', 'Global', 'help', 'verbose','keep'])
 411     except getopt.GetoptError:
 412          print "Error: One of the options passed to the cmdline was not supported"
 413          print "Please fix your command line or read the help (-h option)"
 414          sys.exit(2)
 415
 416     for opt, arg in opts:
 417       if opt in ("-b", "--bandwidth"):
 418          pattern='*_bw.log'
 419       elif opt in ("-i", "--iops"):
 420          pattern='*_iops.log'
 421       elif opt in ("-v", "--verbose"):
 422          verbose=True
 423       elif opt in ("-k", "--keep"):
 424          #User really wants to keep the temporary files
 425          force_keep_temp_files=True
 426       elif opt in ("-p", "--pattern"):
 427          pattern_set_by_user=True
 428          pattern=arg
 429          pattern=pattern.replace('\\','')
 430       elif opt in ("-o", "--outputfile"):
 431          gnuplot_output_filename=arg
 432       elif opt in ("-d", "--outputdir"):
 433          gnuplot_output_dir=arg
 434          if not gnuplot_output_dir.endswith('/'):
 435                 gnuplot_output_dir=gnuplot_output_dir+'/'
 436          if not os.path.exists(gnuplot_output_dir):
 437                 os.makedirs(gnuplot_output_dir)
 438       elif opt in ("-t", "--title"):
 439          title=arg
 440       elif opt in ("-m", "--min_time"):
 441          min_time=arg
 442       elif opt in ("-M", "--max_time"):
 443          max_time=arg
 444       elif opt in ("-g", "--gnuplot"):
 445          run_gnuplot=True
 446       elif opt in ("-G", "--Global"):
 447          parse_global=True
 448          global_search=arg
 449       elif opt in ("-h", "--help"):
 450           print_help()
 451           sys.exit(1)
 452
 453     # Adding .global extension to the file
 454     if parse_global==True:
 455             if not gnuplot_output_filename.endswith('.global'):
 456                 pattern = pattern+'.global'
 457
 458     fio_data_file=find_file('.',pattern)
 459     if len(fio_data_file) == 0:
 460             print "No log file found with pattern %s!" % pattern
 461             # Try numjob log file format if per_numjob_logs=1
 462             if (pattern == '*_bw.log'):
 463                 fio_data_file=find_file('.','*_bw.*.log')
 464             if (pattern == '*_iops.log'):
 465                 fio_data_file=find_file('.','*_iops.*.log')
 466             if len(fio_data_file) == 0:
 467                 sys.exit(1)
 468             else:
 469                 print "Using log file per job format instead"
 470     else:
 471             print "%d files Selected with pattern '%s'" % (len(fio_data_file), pattern)
 472
 473     fio_data_file=sorted(fio_data_file, key=str.lower)
 474     for file in fio_data_file:
 475         print ' |-> %s' % file
 476         if "_bw.log" in file :
 477                 mode="Bandwidth (KB/sec)"
 478         if "_iops.log" in file :
 479                 mode="IO per Seconds (IO/sec)"
 480     if (title == 'No title') and (mode != 'unknown'):
 481             if "Bandwidth" in mode:
 482                     title='Bandwidth benchmark with %d fio results' % len(fio_data_file)
 483             if "IO" in mode:
 484                     title='IO benchmark with %d fio results' % len(fio_data_file)
 485
 486     print
 487     #We need to adjust the output filename regarding the pattern required by the user
 488     if (pattern_set_by_user == True):
 489             gnuplot_output_filename=pattern
 490             # As we do have some glob in the pattern, let's make this simpliest
 491             # We do remove the simpliest parts of the expression to get a clear file name
 492             gnuplot_output_filename=gnuplot_output_filename.replace('-*-','-')
 493             gnuplot_output_filename=gnuplot_output_filename.replace('*','-')
 494             gnuplot_output_filename=gnuplot_output_filename.replace('--','-')
 495             gnuplot_output_filename=gnuplot_output_filename.replace('.log','')
 496             # Insure that we don't have any starting or trailing dash to the filename
 497             gnuplot_output_filename = gnuplot_output_filename[:-1] if gnuplot_output_filename.endswith('-') else gnuplot_output_filename
 498             gnuplot_output_filename = gnuplot_output_filename[1:] if gnuplot_output_filename.startswith('-') else gnuplot_output_filename
 499             if (gnuplot_output_filename == ''):
 500                 gnuplot_output_filename='default'
 501
 502     if parse_global==True:
 503         parse_global_files(fio_data_file, global_search)
 504     else:
 505         blk_size=compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir,min_time,max_time)
 506         title="%s @ Blocksize = %dK" % (title,blk_size/1024)
 507         compute_aggregated_file(fio_data_file, gnuplot_output_filename, gnuplot_output_dir)
 508         compute_math(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir)
 509         generate_gnuplot_script(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir)
 510
 511         if (run_gnuplot==True):
 512                 render_gnuplot(fio_data_file, gnuplot_output_dir)
 513
 514         # Shall we clean the temporary files ?
 515         if keep_temp_files==False and force_keep_temp_files==False:
 516                 # Cleaning temporary files
 517                 if verbose: print "Cleaning temporary files"
 518                 for f in enumerate(temporary_files):
 519                         if verbose: print " -> %s"%f[1]
 520                         try:
 521                             os.remove(f[1])
 522                         except:
 523                             True
 524
 525 #Main
 526 if __name__ == "__main__":
 527     sys.exit(main(sys.argv))