fio2gnuplot: Adding time selection options
It's could be very handy being able to extract a portion of a trace to
plot it.
This patch adds two new options to select the starting time and the end
time were the logs shall be considered for plotting.
diff --git a/tools/plot/fio2gnuplot.py b/tools/plot/fio2gnuplot.py
index c057991..c6cf66b 100755
--- a/tools/plot/fio2gnuplot.py
+++ b/tools/plot/fio2gnuplot.py
@@ -56,7 +56,6 @@
set key top left reverse
set xlabel "Time (Seconds)"
set ylabel '%s'
-set xrange [0:]
set yrange [0:]
'''% (title,mode))
compare.close()
@@ -139,8 +138,11 @@
def average(s): return sum(s) * 1.0 / len(s)
-def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir):
- print "Processing data file 1/2"
+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"
+ print "Processing data file 1/2 with %s<time<%s" % (min_time,end_time)
files=[]
temp_outfile=[]
blk_size=0
@@ -189,9 +191,11 @@
# 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 (((int(time)) > 500) or (int(time)==-1)):
- disk_perf[index].append(int(perf))
- perfs.append("%s %s"% (time, perf))
- index = index + 1
+ # Now it's time to estimate if the data we got is part of the time range we want to plot
+ if ((int(time)>(int(min_time)*1000)) and ((int(time) < (int(max_time)*1000)) or max_time=="-1")):
+ disk_perf[index].append(int(perf))
+ perfs.append("%s %s"% (time, perf))
+ index = index + 1
# If we reach this point, it means that all the traces are coherent
for p in enumerate(perfs):
@@ -333,7 +337,7 @@
sys.exit(1);
def print_help():
- print 'fio2gnuplot.py -ghbiod -t <title> -o <outputfile> -p <pattern> -G <type>'
+ print 'fio2gnuplot.py -ghbiod -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'
@@ -348,6 +352,8 @@
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)'
def main(argv):
mode='unknown'
@@ -361,6 +367,8 @@
run_gnuplot=False
parse_global=False
global_search=''
+ min_time=0
+ max_time=-1
if not os.path.isfile(gpm_dir+'math.gpm'):
gpm_dir="/usr/local/share/fio/"
@@ -369,7 +377,7 @@
sys.exit(3)
try:
- opts, args = getopt.getopt(argv[1:],"ghbio:d:t:p:G:")
+ opts, args = getopt.getopt(argv[1:],"ghbio:d:t:p:G:m:M:")
except getopt.GetoptError:
print_help()
sys.exit(2)
@@ -393,6 +401,10 @@
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"):
@@ -444,7 +456,7 @@
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)
+ 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)