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#!/usr/bin/env python
#
# Public Domain 2008-2013 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
import csv, os, zipimport
from subprocess import call
# Python script to read wtperf monitor output and create a performance
# graph.
# Read the monitor file and figure out when a checkpoint was running.
in_ckpt = 'N'
ckptlist=[]
with open('monitor', 'r') as csvfile:
reader = csv.reader(csvfile)
for row in reader:
if row[4] != in_ckpt:
ckptlist.append(row[0])
in_ckpt = row[4]
if in_ckpt == 'Y':
ckptlist.append(row[0])
# Graph time vs. read, insert and update operations per second.
of = open("gnuplot.cmd", "w")
of.write('''
set autoscale
set datafile sep ','
set grid
set style data lines
set terminal png nocrop size 800,600
set timefmt "%H:%M:%S"
set title "wtperf run"
set format x "%M:%S"
set xlabel "Time (minutes:seconds)"
set xtics rotate by -45
set xdata time
set ylabel "Operations per second (hundreds)"
set yrange [0:]\n''')
it = iter(ckptlist)
for start, stop in zip(it, it):
of.write('set object rectangle from first \'' + start +\
'\', graph 0 ' + ' to first \'' + stop +\
'\', graph 1 fc rgb "gray" back\n')
of.write('''
set output 'monitor.png'
plot "monitor" using 1:($2/100) title "Reads", "monitor" using 1:($3/100) title "Updates", "monitor" using 1:($4/100) title "Inserts"\n''')
of.close()
call(["gnuplot", "gnuplot.cmd"])
os.remove("gnuplot.cmd")
# Graph time vs. average, minimium, maximum latency.
of = open("gnuplot.cmd", "w")
of.write('''
set autoscale
set datafile sep ','
set grid
set style data lines
set terminal png nocrop size 800,600
set timefmt "%H:%M:%S"
set title "wtperf run"
set format x "%M:%S"
set xlabel "Time (minutes:seconds)"
set xtics rotate by -45
set xdata time
set ylabel "Latency (us)"
set logscale y
set yrange [1:]\n''')
it = iter(ckptlist)
for start, stop in zip(it, it):
of.write('set object rectangle from first \'' + start +\
'\', graph 0 ' + ' to first \'' + stop +\
'\', graph 1 fc rgb "gray" back\n')
of.write('''
set output 'latency.png'
plot "monitor" using 1:($6 / 1000) title "Average", "monitor" using 1:($7 / 1000) title "Minimum", "monitor" using 1:($8 / 1000) title "Maximum"\n''')
of.close()
call(["gnuplot", "gnuplot.cmd"])
os.remove("gnuplot.cmd")
# Graph latency vs. % operations (cumulative)
def plot_latency(name):
# Latency plot: cumulative operations vs. latency
of = open("gnuplot.cmd", "w")
of.write('''
set autoscale
set datafile sep ','
set grid
set style data lines
set terminal png nocrop size 800,600
set title "wtperf %(NAME)s cumulative latency distribution"
set xlabel "Latency (us)"
set xrange [1:]
set xtics rotate by -45
set logscale x
set ylabel "%% operations"
set yrange [0:]
set output '%(NAME)s.latency1.png'
plot "latency.%(NAME)s" using 1:(($3 * 100)/$4) title "%(NAME)s"\n''' % {
'NAME' : name
})
of.close()
call(["gnuplot", "gnuplot.cmd"])
os.remove("gnuplot.cmd")
# Graph latency vs. % operations
of = open("gnuplot.cmd", "w")
of.write('''
set autoscale
set datafile sep ','
set grid
set style data points
set terminal png nocrop size 800,600
set title "wtperf %(NAME)s latency distribution"
set xlabel "Latency (us)"
set xrange [1:]
set xtics rotate by -45
set logscale x
set ylabel "%% operations"
set yrange [0:]
set output '%(NAME)s.latency2.png'
plot "latency.%(NAME)s" using (($2 * 100)/$4) title "%(NAME)s"\n''' % {
'NAME' : name
})
of.close()
call(["gnuplot", "gnuplot.cmd"])
os.remove("gnuplot.cmd")
plot_latency("insert")
plot_latency("read")
plot_latency("update")
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