fio2gnuplot: Adding information steps

While executing fio2gnuplot, we were lacking of some information of
what's going on.

This patch makes things easier to understand/follow for end users.

diff --git a/tools/plot/fio2gnuplot.py b/tools/plot/fio2gnuplot.py
index 203908a62a51905873d7437bde30f6ee806d23c4..b5f70a0983dcaf68d04f09ab5df948a7be03f92b 100755 (executable)
--- a/tools/plot/fio2gnuplot.py
+++ b/tools/plot/fio2gnuplot.py
@@ -39,6 +39,7 @@ def find_file(path, pattern):
        return fio_data_file
 
 def generate_gnuplot_script(fio_data_file,title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir):
+       print "Generating rendering scripts"
        filename=gnuplot_output_dir+'mygraph'
        f=open(filename,'w')
 
@@ -115,6 +116,7 @@ def generate_gnuplot_math_script(title,gnuplot_output_filename,mode,average,gnup
        f.close()
 
 def compute_aggregated_file(fio_data_file, gnuplot_output_filename, gnuplot_output_dir):
+       print "Processing data file 2/2"
        temp_files=[]
        pos=0
 
@@ -138,6 +140,7 @@ def compute_aggregated_file(fio_data_file, gnuplot_output_filename, gnuplot_outp
 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"
        files=[]
        temp_outfile=[]
        blk_size=0
@@ -199,6 +202,7 @@ def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir):
        return blk_size
 
 def compute_math(fio_data_file, title,gnuplot_output_filename,gnuplot_output_dir,mode,disk_perf,gpm_dir):
+       print "Computing Maths"
        global_min=[]
        global_max=[]
        average_file=open(gnuplot_output_dir+gnuplot_output_filename+'.average', 'w')
@@ -314,6 +318,11 @@ def render_gnuplot(fio_data_file, gnuplot_output_dir):
                os.system("cd %s; gnuplot mymath" % gnuplot_output_dir)
                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
        except:
                print "Could not run gnuplot on mymath or mygraph !\n"
                sys.exit(1);