#!/usr/bin/env python
#
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
# Author: Erwan Velu <erwan@enovance.com>
#
# The license below covers all files distributed with fio unless otherwise
# noted in the file itself.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import fnmatch
import sys
import getopt
import re
import math
import shutil
def find_file(path, pattern):
fio_data_file=[]
# For all the local files
for file in os.listdir(path):
# If the file math the regexp
if fnmatch.fnmatch(file, pattern):
# Let's consider this file
fio_data_file.append(file)
return fio_data_file
def generate_gnuplot_script(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir):
if verbose: print "Generating rendering scripts"
filename=gnuplot_output_dir+'mygraph'
temporary_files.append(filename)
f=open(filename,'w')
# Plotting 3D or comparing graphs doesn't have a meaning unless if there is at least 2 traces
if len(fio_data_file) > 1:
f.write("call \'%s/graph3D.gpm\' \'%s' \'%s\' \'\' \'%s\' \'%s\'\n" % (gpm_dir,title,gnuplot_output_filename,gnuplot_output_filename,mode))
# Setting up the compare files that will be plot later
compare=open(gnuplot_output_dir + 'compare.gnuplot','w')
compare.write('''
set title '%s'
set terminal png size 1280,1024
set ytics axis out auto
set key top left reverse
set xlabel "Time (Seconds)"
set ylabel '%s'
set yrange [0:]
set style line 1 lt 1 lw 3 pt 3 linecolor rgb "green"
'''% (title,mode))
compare.close()
#Copying the common file for all kind of graph (raw/smooth/trend)
compare_raw_filename="compare-%s-2Draw" % (gnuplot_output_filename)
compare_smooth_filename="compare-%s-2Dsmooth" % (gnuplot_output_filename)
compare_trend_filename="compare-%s-2Dtrend" % (gnuplot_output_filename)
shutil.copy(gnuplot_output_dir+'compare.gnuplot',gnuplot_output_dir+compare_raw_filename+".gnuplot")
shutil.copy(gnuplot_output_dir+'compare.gnuplot',gnuplot_output_dir+compare_smooth_filename+".gnuplot")
shutil.copy(gnuplot_output_dir+'compare.gnuplot',gnuplot_output_dir+compare_trend_filename+".gnuplot")
temporary_files.append(gnuplot_output_dir+compare_raw_filename+".gnuplot")
temporary_files.append(gnuplot_output_dir+compare_smooth_filename+".gnuplot")
temporary_files.append(gnuplot_output_dir+compare_trend_filename+".gnuplot")
#Setting up a different output filename for each kind of graph
compare_raw=open(gnuplot_output_dir+compare_raw_filename + ".gnuplot",'a')
compare_raw.write("set output '%s.png'\n" % compare_raw_filename)
compare_smooth=open(gnuplot_output_dir+compare_smooth_filename+".gnuplot",'a')
compare_smooth.write("set output '%s.png'\n" % compare_smooth_filename)
compare_trend=open(gnuplot_output_dir+compare_trend_filename+".gnuplot",'a')
compare_trend.write("set output '%s.png'\n" % compare_trend_filename)
# Let's plot the average value for all the traces
global_disk_perf = sum(disk_perf, [])
global_avg = average(global_disk_perf)
compare_raw.write("plot %s w l ls 1 ti 'Global average value (%.2f)'" % (global_avg,global_avg));
compare_smooth.write("plot %s w l ls 1 ti 'Global average value (%.2f)'" % (global_avg,global_avg));
compare_trend.write("plot %s w l ls 1 ti 'Global average value (%.2f)'" % (global_avg,global_avg));
pos=0
# Let's create a temporary file for each selected fio file
for file in fio_data_file:
tmp_filename = "gnuplot_temp_file.%d" % pos
# Plotting comparing graphs doesn't have a meaning unless if there is at least 2 traces
if len(fio_data_file) > 1:
# Adding the plot instruction for each kind of comparing graphs
compare_raw.write(",\\\n'%s' using 2:3 with linespoints title '%s'" % (tmp_filename,fio_data_file[pos]))
compare_smooth.write(",\\\n'%s' using 2:3 smooth csplines title '%s'" % (tmp_filename,fio_data_file[pos]))
compare_trend.write(",\\\n'%s' using 2:3 smooth bezier title '%s'" % (tmp_filename,fio_data_file[pos]))
png_file=file.replace('.log','')
raw_filename = "%s-2Draw" % (png_file)
smooth_filename = "%s-2Dsmooth" % (png_file)
trend_filename = "%s-2Dtrend" % (png_file)
avg = average(disk_perf[pos])
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))
pos = pos +1
# Plotting comparing graphs doesn't have a meaning unless if there is at least 2 traces
if len(fio_data_file) > 1:
os.remove(gnuplot_output_dir+"compare.gnuplot")
compare_raw.close()
compare_smooth.close()
compare_trend.close()
f.close()
def generate_gnuplot_math_script(title,gnuplot_output_filename,mode,average,gnuplot_output_dir,gpm_dir):
filename=gnuplot_output_dir+'mymath';
temporary_files.append(filename)
f=open(filename,'a')
f.write("call \'%s/math.gpm\' \'%s' \'%s\' \'\' \'%s\' \'%s\' %s\n" % (gpm_dir,title,gnuplot_output_filename,gnuplot_output_filename,mode,average))
f.close()
def compute_aggregated_file(fio_data_file, gnuplot_output_filename, gnuplot_output_dir):
if verbose: print "Processing data file 2/2"
temp_files=[]
pos=0
# Let's create a temporary file for each selected fio file
for file in fio_data_file:
tmp_filename = "%sgnuplot_temp_file.%d" % (gnuplot_output_dir, pos)
temp_files.append(open(tmp_filename,'r'))
pos = pos +1
f = open(gnuplot_output_dir+gnuplot_output_filename, "w")
temporary_files.append(gnuplot_output_dir+gnuplot_output_filename)
index=0
# Let's add some information
for tempfile in temp_files:
f.write("# Disk%d was coming from %s\n" % (index,fio_data_file[index]))
f.write(tempfile.read())
f.write("\n")
tempfile.close()
index = index + 1
f.close()
def average(s): return sum(s) * 1.0 / len(s)
def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir, min_time, max_time):
end_time=max_time
if end_time == -1:
end_time="infinite"
if verbose: print "Processing data file 1/2 with %s<time<%s" % (min_time,end_time)
files=[]
temp_outfile=[]
blk_size=0
for file in fio_data_file:
files.append(open(file))
pos = len(files) - 1
tmp_filename = "%sgnuplot_temp_file.%d" % (gnuplot_output_dir,pos)
temporary_files.append(tmp_filename)
gnuplot_file=open(tmp_filename,'w')
temp_outfile.append(gnuplot_file)
gnuplot_file.write("#Temporary file based on file %s\n" % file)
disk_perf.append([])
shall_break = False
while True:
current_line=[]
nb_empty_files=0
nb_files=len(files)
for myfile in files:
s=myfile.readline().replace(',',' ').split()
if not s:
nb_empty_files+=1
s="-1, 0, 0, 0".replace(',',' ').split()
if (nb_empty_files == nb_files):
shall_break=True
break;
current_line.append(s);
if shall_break == True:
break
last_time = -1
index=-1
perfs=[]
for line in enumerate(current_line):
# Index will be used to remember what file was featuring what value
index=index+1
time, perf, x, block_size = line[1]
if (blk_size == 0):
try:
blk_size=int(block_size)
except:
print "Error while reading the following line :"
print line
sys.exit(1);
# We ignore the first 500msec as it doesn't seems to be part of the real benchmark
# Time < 500 usually reports BW=0 breaking the min computing
if (min_time == 0):
min_time==0.5
# Then we estimate if the data we got is part of the time range we want to plot
if ((float(time)>(float(min_time)*1000)) and ((int(time) < (int(max_time)*1000)) or max_time==-1)):
disk_perf[index].append(int(perf))
perfs.append("%d %s %s"% (index, time, perf))
# If we reach this point, it means that all the traces are coherent
for p in enumerate(perfs):
index, perf_time,perf = p[1].split()
temp_outfile[int(index)].write("%s %.2f %s\n" % (index, float(float(perf_time)/1000), perf))
for file in files:
file.close()
for file in temp_outfile:
file.close()
return blk_size
def compute_math(fio_data_file, title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir):
if verbose: print "Computing Maths"
global_min=[]
global_max=[]
average_file=open(gnuplot_output_dir+gnuplot_output_filename+'.average', 'w')
min_file=open(gnuplot_output_dir+gnuplot_output_filename+'.min', 'w')
max_file=open(gnuplot_output_dir+gnuplot_output_filename+'.max', 'w')
stddev_file=open(gnuplot_output_dir+gnuplot_output_filename+'.stddev', 'w')
global_file=open(gnuplot_output_dir+gnuplot_output_filename+'.global','w')
temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.average')
temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.min')
temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.max')
temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.stddev')
temporary_files.append(gnuplot_output_dir+gnuplot_output_filename+'.global')
min_file.write('DiskName %s\n' % mode)
max_file.write('DiskName %s\n'% mode)
average_file.write('DiskName %s\n'% mode)
stddev_file.write('DiskName %s\n'% mode )
for disk in xrange(len(fio_data_file)):
# print disk_perf[disk]
min_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
max_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
average_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
stddev_file.write("# Disk%d was coming from %s\n" % (disk,fio_data_file[disk]))
avg = average(disk_perf[disk])
variance = map(lambda x: (x - avg)**2, disk_perf[disk])
standard_deviation = math.sqrt(average(variance))
# print "Disk%d [ min=%.2f max=%.2f avg=%.2f stddev=%.2f \n" % (disk,min(disk_perf[disk]),max(disk_perf[disk]),avg, standard_deviation)
average_file.write('%d %d\n' % (disk, avg))
stddev_file.write('%d %d\n' % (disk, standard_deviation))
local_min=min(disk_perf[disk])
local_max=max(disk_perf[disk])
min_file.write('%d %d\n' % (disk, local_min))
max_file.write('%d %d\n' % (disk, local_max))
global_min.append(int(local_min))
global_max.append(int(local_max))
global_disk_perf = sum(disk_perf, [])
avg = average(global_disk_perf)
variance = map(lambda x: (x - avg)**2, global_disk_perf)
standard_deviation = math.sqrt(average(variance))
global_file.write('min=%.2f\n' % min(global_disk_perf))
global_file.write('max=%.2f\n' % max(global_disk_perf))
global_file.write('avg=%.2f\n' % avg)
global_file.write('stddev=%.2f\n' % standard_deviation)
global_file.write('values_count=%d\n' % len(global_disk_perf))
global_file.write('disks_count=%d\n' % len(fio_data_file))
#print "Global [ min=%.2f max=%.2f avg=%.2f stddev=%.2f \n" % (min(global_disk_perf),max(global_disk_perf),avg, standard_deviation)
average_file.close()
min_file.close()
max_file.close()
stddev_file.close()
global_file.close()
try:
os.remove(gnuplot_output_dir+'mymath')
except:
True
generate_gnuplot_math_script("Average values of "+title,gnuplot_output_filename+'.average',mode,int(avg),gnuplot_output_dir,gpm_dir)
generate_gnuplot_math_script("Min values of "+title,gnuplot_output_filename+'.min',mode,average(global_min),gnuplot_output_dir,gpm_dir)
generate_gnuplot_math_script("Max values of "+title,gnuplot_output_filename+'.max',mode,average(global_max),gnuplot_output_dir,gpm_dir)
generate_gnuplot_math_script("Standard Deviation of "+title,gnuplot_output_filename+'.stddev',mode,int(standard_deviation),gnuplot_output_dir,gpm_dir)
def parse_global_files(fio_data_file, global_search):
max_result=0
max_file=''
for file in fio_data_file:
f=open(file)
disk_count=0
search_value=-1
# Let's read the complete file
while True:
try:
# We do split the name from the value
name,value=f.readline().split("=")
except:
f.close()
break
# If we ended the file
if not name:
# Let's process what we have
f.close()
break
else:
# disks_count is not global_search item
# As we need it for some computation, let's save it
if name=="disks_count":
disks_count=int(value)
# Let's catch the searched item
if global_search in name:
search_value=float(value)
# Let's process the avg value by estimated the global bandwidth per file
# We keep the biggest in memory for reporting
if global_search == "avg":
if (disks_count > 0) and (search_value != -1):
result=disks_count*search_value
if (result > max_result):
max_result=result
max_file=file
# Let's print the avg output
if global_search == "avg":
print "Biggest aggregated value of %s was %2.f in file %s\n" % (global_search, max_result, max_file)
else:
print "Global search %s is not yet implemented\n" % global_search
def render_gnuplot(fio_data_file, gnuplot_output_dir):
print "Running gnuplot Rendering"
try:
# Let's render all the compared files if some
if len(fio_data_file) > 1:
if verbose: print " |-> Rendering comparing traces"
os.system("cd %s; for i in *.gnuplot; do gnuplot $i; done" % gnuplot_output_dir)
if verbose: print " |-> Rendering math traces"
os.system("cd %s; gnuplot mymath" % gnuplot_output_dir)
if verbose: print " |-> Rendering 2D & 3D traces"
os.system("cd %s; gnuplot mygraph" % gnuplot_output_dir)
name_of_directory="the current"
if gnuplot_output_dir != "./":
name_of_directory=gnuplot_output_dir
print "\nRendering traces are available in %s directory" % name_of_directory
global keep_temp_files
keep_temp_files=False
except:
print "Could not run gnuplot on mymath or mygraph !\n"
sys.exit(1);
def print_help():
print 'fio2gnuplot -ghbiodvk -t <title> -o <outputfile> -p <pattern> -G <type> -m <time> -M <time>'
print
print '-h --help : Print this help'
print '-p <pattern> or --pattern <pattern> : A pattern in regexp to select fio input files'
print '-b or --bandwidth : A predefined pattern for selecting *_bw.log files'
print '-i or --iops : A predefined pattern for selecting *_iops.log files'
print '-g or --gnuplot : Render gnuplot traces before exiting'
print '-o or --outputfile <file> : The basename for gnuplot traces'
print ' - Basename is set with the pattern if defined'
print '-d or --outputdir <dir> : The directory where gnuplot shall render files'
print '-t or --title <title> : The title of the gnuplot traces'
print ' - Title is set with the block size detected in fio traces'
print '-G or --Global <type> : Search for <type> in .global files match by a pattern'
print ' - Available types are : min, max, avg, stddev'
print ' - The .global extension is added automatically to the pattern'
print '-m or --min_time <time> : Only consider data starting from <time> seconds (default is 0)'
print '-M or --max_time <time> : Only consider data ending before <time> seconds (default is -1 aka nolimit)'
print '-v or --verbose : Increasing verbosity'
print '-k or --keep : Keep all temporary files from gnuplot\'s output dir'
def main(argv):
mode='unknown'
pattern=''
pattern_set_by_user=False
title='No title'
gnuplot_output_filename='result'
gnuplot_output_dir='./'
gpm_dir="/usr/share/fio/"
disk_perf=[]
run_gnuplot=False
parse_global=False
global_search=''
min_time=0
max_time=-1
global verbose
verbose=False
global temporary_files
temporary_files=[]
global keep_temp_files
keep_temp_files=True
force_keep_temp_files=False
if not os.path.isfile(gpm_dir+'math.gpm'):
gpm_dir="/usr/local/share/fio/"
if not os.path.isfile(gpm_dir+'math.gpm'):
print "Looks like fio didn't get installed properly as no gpm files found in '/usr/share/fio' or '/usr/local/share/fio'\n"
sys.exit(3)
try:
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'])
except getopt.GetoptError:
print "Error: One of the options passed to the cmdline was not supported"
print "Please fix your command line or read the help (-h option)"
sys.exit(2)
for opt, arg in opts:
if opt in ("-b", "--bandwidth"):
pattern='*_bw.log'
elif opt in ("-i", "--iops"):
pattern='*_iops.log'
elif opt in ("-v", "--verbose"):
verbose=True
elif opt in ("-k", "--keep"):
#User really wants to keep the temporary files
force_keep_temp_files=True
elif opt in ("-p", "--pattern"):
pattern_set_by_user=True
pattern=arg
pattern=pattern.replace('\\','')
elif opt in ("-o", "--outputfile"):
gnuplot_output_filename=arg
elif opt in ("-d", "--outputdir"):
gnuplot_output_dir=arg
if not gnuplot_output_dir.endswith('/'):
gnuplot_output_dir=gnuplot_output_dir+'/'
if not os.path.exists(gnuplot_output_dir):
os.makedirs(gnuplot_output_dir)
elif opt in ("-t", "--title"):
title=arg
elif opt in ("-m", "--min_time"):
min_time=arg
elif opt in ("-M", "--max_time"):
max_time=arg
elif opt in ("-g", "--gnuplot"):
run_gnuplot=True
elif opt in ("-G", "--Global"):
parse_global=True
global_search=arg
elif opt in ("-h", "--help"):
print_help()
sys.exit(1)
# Adding .global extension to the file
if parse_global==True:
if not gnuplot_output_filename.endswith('.global'):
pattern = pattern+'.global'
fio_data_file=find_file('.',pattern)
if len(fio_data_file) == 0:
print "No log file found with pattern %s!" % pattern
sys.exit(1)
else:
print "%d files Selected with pattern '%s'" % (len(fio_data_file), pattern)
fio_data_file=sorted(fio_data_file, key=str.lower)
for file in fio_data_file:
print ' |-> %s' % file
if "_bw.log" in file :
mode="Bandwidth (KB/sec)"
if "_iops.log" in file :
mode="IO per Seconds (IO/sec)"
if (title == 'No title') and (mode != 'unknown'):
if "Bandwidth" in mode:
title='Bandwidth benchmark with %d fio results' % len(fio_data_file)
if "IO" in mode:
title='IO benchmark with %d fio results' % len(fio_data_file)
print
#We need to adjust the output filename regarding the pattern required by the user
if (pattern_set_by_user == True):
gnuplot_output_filename=pattern
# As we do have some regexp in the pattern, let's make this simpliest
# We do remove the simpliest parts of the expression to get a clear file name
gnuplot_output_filename=gnuplot_output_filename.replace('-*-','-')
gnuplot_output_filename=gnuplot_output_filename.replace('*','-')
gnuplot_output_filename=gnuplot_output_filename.replace('--','-')
gnuplot_output_filename=gnuplot_output_filename.replace('.log','')
# Insure that we don't have any starting or trailing dash to the filename
gnuplot_output_filename = gnuplot_output_filename[:-1] if gnuplot_output_filename.endswith('-') else gnuplot_output_filename
gnuplot_output_filename = gnuplot_output_filename[1:] if gnuplot_output_filename.startswith('-') else gnuplot_output_filename
if parse_global==True:
parse_global_files(fio_data_file, global_search)
else:
blk_size=compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir,min_time,max_time)
title="%s @ Blocksize = %dK" % (title,blk_size/1024)
compute_aggregated_file(fio_data_file, gnuplot_output_filename, gnuplot_output_dir)
compute_math(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir)
generate_gnuplot_script(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir)
if (run_gnuplot==True):
render_gnuplot(fio_data_file, gnuplot_output_dir)
# Shall we clean the temporary files ?
if keep_temp_files==False and force_keep_temp_files==False:
# Cleaning temporary files
if verbose: print "Cleaning temporary files"
for f in enumerate(temporary_files):
if verbose: print " -> %s"%f[1]
try:
os.remove(f[1])
except:
True
#Main
if __name__ == "__main__":
sys.exit(main(sys.argv))