Recent changes (master)

Jens Axboe
2018-05-26T12:00:08Z

The following changes since commit 12223a35ac7d975d7c2950c664d8caf7f9c065bf:

Merge branch 'sg-verify2' of https://github.com/vincentkfu/fio (2018-05-18 13:34:36 -0600)

are available in the git repository at:

git://git.kernel.dk/fio.git master

for you to fetch changes up to cf04b906fda16c6c14c420b71130a31d6580e9d8:

Fix typo in bssplit documentation (2018-05-25 08:14:50 -0600)

----------------------------------------------------------------
Bill O'Donnell (1):
make fio scripts python3-ready (part 2)

Jens Axboe (1):
Fix typo in bssplit documentation

HOWTO | 2 +-
fio.1 | 2 +-
tools/fio_jsonplus_clat2csv | 13 ++++--
tools/plot/fio2gnuplot | 97 ++++++++++++++++++++++++---------------------
4 files changed, 62 insertions(+), 52 deletions(-)

---

Diff of recent changes:

diff --git a/HOWTO b/HOWTO
index 7680f9c..4398ffa 100644
--- a/HOWTO
+++ b/HOWTO
@@ -1429,7 +1429,7 @@ Block size
If you want a workload that has 50% 2k reads and 50% 4k reads, while
having 90% 4k writes and 10% 8k writes, you would specify::

- bssplit=2k/50:4k/50,4k/90,8k/10
+ bssplit=2k/50:4k/50,4k/90:8k/10

Fio supports defining up to 64 different weights for each data
direction.
diff --git a/fio.1 b/fio.1
index ce3585a..733c740 100644
--- a/fio.1
+++ b/fio.1
@@ -1227,7 +1227,7 @@ If you want a workload that has 50% 2k reads and 50% 4k reads, while having
90% 4k writes and 10% 8k writes, you would specify:
.RS
.P
-bssplit=2k/50:4k/50,4k/90,8k/10
+bssplit=2k/50:4k/50,4k/90:8k/10
.RE
.P
Fio supports defining up to 64 different weights for each data direction.
diff --git a/tools/fio_jsonplus_clat2csv b/tools/fio_jsonplus_clat2csv
index e63d6d8..78a007e 100755
--- a/tools/fio_jsonplus_clat2csv
+++ b/tools/fio_jsonplus_clat2csv
@@ -1,4 +1,5 @@
#!/usr/bin/python2.7
+# Note: this script is python2 and python3 compatible.
#
# fio_jsonplus_clat2csv
#
@@ -60,9 +61,13 @@
# 10304ns is the 100th percentile for read latency
#

+from __future__ import absolute_import
+from __future__ import print_function
import os
import json
import argparse
+import six
+from six.moves import range

def parse_args():
@@ -87,7 +92,7 @@ def percentile(idx, run_total):

def more_lines(indices, bins):
- for key, value in indices.iteritems():
+ for key, value in six.iteritems(indices):
if value < len(bins[key]):
return True

@@ -116,8 +121,8 @@ def main():
"Are you sure you are using json+ output?")

bins[ddir] = [[int(key), value] for key, value in
- jsondata['jobs'][jobnum][ddir][bins_loc]
- ['bins'].iteritems()]
+ six.iteritems(jsondata['jobs'][jobnum][ddir][bins_loc]
+ ['bins'])]
bins[ddir] = sorted(bins[ddir], key=lambda bin: bin[0])

run_total[ddir] = [0 for x in range(0, len(bins[ddir]))]
@@ -165,7 +170,7 @@ def main():
output.write(", , , ")
output.write("\n")

- print "{0} generated".format(outfile)
+ print("{0} generated".format(outfile))

if __name__ == '__main__':
diff --git a/tools/plot/fio2gnuplot b/tools/plot/fio2gnuplot
index 5d31f13..4d1815c 100755
--- a/tools/plot/fio2gnuplot
+++ b/tools/plot/fio2gnuplot
@@ -1,4 +1,5 @@
#!/usr/bin/python2.7
+# Note: this script is python2 and python3 compatible.
#
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
# Author: Erwan Velu <erwan@enovance.com>
@@ -19,6 +20,8 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

+from __future__ import absolute_import
+from __future__ import print_function
import os
import fnmatch
import sys
@@ -26,6 +29,8 @@ import getopt
import re
import math
import shutil
+from six.moves import map
+from six.moves import range

def find_file(path, pattern):
fio_data_file=[]
@@ -39,7 +44,7 @@ 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):
- if verbose: print "Generating rendering scripts"
+ if verbose: print("Generating rendering scripts")
filename=gnuplot_output_dir+'mygraph'
temporary_files.append(filename)
f=open(filename,'w')
@@ -124,7 +129,7 @@ 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):
- if verbose: print "Processing data file 2/2"
+ if verbose: print("Processing data file 2/2")
temp_files=[]
pos=0

@@ -152,7 +157,7 @@ def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir, min_time, max_
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)
+ if verbose: print("Processing data file 1/2 with %s<time<%s" % (min_time,end_time))
files=[]
temp_outfile=[]
blk_size=0
@@ -198,8 +203,8 @@ def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir, min_time, max_
try:
blk_size=int(block_size)
except:
- print "Error while reading the following line :"
- print line
+ 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
@@ -225,7 +230,7 @@ def compute_temp_file(fio_data_file,disk_perf,gnuplot_output_dir, min_time, max_
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"
+ if verbose: print("Computing Maths")
global_min=[]
global_max=[]
average_file=open(gnuplot_output_dir+gnuplot_output_filename+'.average', 'w')
@@ -243,14 +248,14 @@ def compute_math(fio_data_file, title,gnuplot_output_filename,gnuplot_output_dir
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)):
+ for disk in range(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])
+ variance = [(x - avg)**2 for x in 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))
@@ -264,7 +269,7 @@ def compute_math(fio_data_file, title,gnuplot_output_filename,gnuplot_output_dir

global_disk_perf = sum(disk_perf, [])
avg = average(global_disk_perf)
- variance = map(lambda x: (x - avg)**2, global_disk_perf)
+ variance = [(x - avg)**2 for x in global_disk_perf]
standard_deviation = math.sqrt(average(variance))

global_file.write('min=%.2f\n' % min(global_disk_perf))
@@ -331,52 +336,52 @@ def parse_global_files(fio_data_file, global_search):
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)
+ 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
+ print("Global search %s is not yet implemented\n" % global_search)

def render_gnuplot(fio_data_file, gnuplot_output_dir):
- print "Running gnuplot Rendering"
+ 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"
+ 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"
+ if verbose: print(" |-> Rendering math traces")
os.system("cd %s; gnuplot mymath" % gnuplot_output_dir)
- if verbose: print " |-> Rendering 2D & 3D traces"
+ 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
+ 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"
+ print("Could not run gnuplot on mymath or mygraph !\n")
sys.exit(1);

def print_help():
- print 'fio2gnuplot -ghbiodvk -t -o <outputfile> -p <pattern> -G <type> -m -M '
- print
- print '-h --help : Print this help'
- print '-p <pattern> or --pattern <pattern> : A glob pattern 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 : The directory where gnuplot shall render files'
- print '-t or --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 : Only consider data starting from seconds (default is 0)'
- print '-M or --max_time : Only consider data ending before 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'
+ print('fio2gnuplot -ghbiodvk -t -o <outputfile> -p <pattern> -G <type> -m -M ')
+ print()
+ print('-h --help : Print this help')
+ print('-p <pattern> or --pattern <pattern> : A glob pattern 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 : The directory where gnuplot shall render files')
+ print('-t or --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 : Only consider data starting from seconds (default is 0)')
+ print('-M or --max_time : Only consider data ending before 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'
@@ -403,14 +408,14 @@ def main(argv):
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"
+ 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)"
+ 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:
@@ -457,7 +462,7 @@ def main(argv):

fio_data_file=find_file('.',pattern)
if len(fio_data_file) == 0:
- print "No log file found with pattern %s!" % pattern
+ print("No log file found with pattern %s!" % pattern)
# Try numjob log file format if per_numjob_logs=1
if (pattern == '*_bw.log'):
fio_data_file=find_file('.','*_bw.*.log')
@@ -466,13 +471,13 @@ def main(argv):
if len(fio_data_file) == 0:
sys.exit(1)
else:
- print "Using log file per job format instead"
+ print("Using log file per job format instead")
else:
- print "%d files Selected with pattern '%s'" % (len(fio_data_file), pattern)
+ 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
+ print(' |-> %s' % file)
if "_bw.log" in file :
mode="Bandwidth (KB/sec)"
if "_iops.log" in file :
@@ -483,7 +488,7 @@ def main(argv):
if "IO" in mode:
title='IO benchmark with %d fio results' % len(fio_data_file)

- print
+ 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
@@ -514,9 +519,9 @@ def main(argv):
# 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"
+ if verbose: print("Cleaning temporary files")
for f in enumerate(temporary_files):
- if verbose: print " -> %s"%f[1]
+ if verbose: print(" -> %s"%f[1])
try:
os.remove(f[1])