pjs/testing/performance/win32/report.py

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#!c:/Python24/python.exe
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
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# The Original Code is standalone Firefox Windows performance test.
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# The Initial Developer of the Original Code is Google Inc.
# Portions created by the Initial Developer are Copyright (C) 2006
# the Initial Developer. All Rights Reserved.
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# Contributor(s):
# Annie Sullivan <annie.sullivan@gmail.com> (original author)
#
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"""Writes a report with the results of the Ts (startup) and Tp (page load) tests.
The report contains the mean startup time for each profile and the standard
deviation, the sum of page load times and the standard deviation, and a graph
of each performance counter measured during the page load test.
"""
__author__ = 'annie.sullivan@gmail.com (Annie Sullivan)'
import csv
import math
import matplotlib.mlab
import os
import pylab
import re
import time
import paths
def MakeArray(start, len, step):
"""Helper function to create an array for an axis to plot counter data.
Args:
start: The first value in the array
len: The length of the array
step: The difference between values in the array
Returns:
An array starting at start, with len values each step apart.
"""
count = start
end = start + (len * step)
array = []
while count < end:
array.append(count)
count += step
return array
def GetPlottableData(counter_name, data):
"""Some counters should be displayed as a moving average, or
may need other adjustment to be plotted. This function
makes adjustments to the data based on counter name.
Args:
counter_name: The name of the counter, i.e 'Working Set'
data: The original data collected from the counter
Returns:
data array adjusted based on counter name.
"""
if counter_name == '% Processor Time':
# Use a moving average for % processor time
return matplotlib.mlab.movavg(data, 5)
if counter_name == 'Working Set' or counter_name == 'Private Bytes':
# Change the scale from bytes to megabytes for working set
return [float(x) / 1000000 for x in data]
# No change for other counters
return data
def GenerateReport(title, filename, configurations, ts_times, tp_times, tp_counters, tp_resolution):
""" Generates a report file in html using the given data
Args:
title: Title of the report
filename: Filename of the report, before the timestamp
configurations: Array of strings, containing the name of
each configuration tested.
ts_times: Array of arrays of ts startup times for each configuration.
tp_times: Array of page load times for each configuration tested.
tp_counters: Array of counter data for page load configurations
Returns:
filename of html report.
"""
# Make sure the reports/ and reports/graphs/ directories exist
graphs_subdir = os.path.join(paths.REPORTS_DIR, 'graphs')
if not os.path.exists(graphs_subdir):
os.makedirs(graphs_subdir) # Will create parent directories
# Create html report file
localtime = time.localtime()
timestamp = int(time.mktime(localtime))
report_filename = os.path.join(paths.REPORTS_DIR, filename + "_" + str(timestamp) + ".html")
report = open(report_filename, 'w')
report.write('<html><head><title>Performance Report for %s, %s</title></head>\n' %
(title, time.strftime('%m-%d-%y')))
report.write('<body>\n')
report.write('<h1>%s, %s</h1>' % (title, time.strftime('%m-%d-%y')))
# Write out TS data
report.write('<p><h2>Startup Test (Ts) Results</h2>\n')
report.write('<table border="1" cellpadding="5" cellspacing="0">\n')
report.write('<tr>')
report.write('<th>Profile Tested</th>')
report.write('<th>Mean</th>')
report.write('<th>Standard Deviation</th></tr>\n')
ts_csv_filename = os.path.join(paths.REPORTS_DIR, filename + "_" + str(timestamp) + '_ts.csv')
ts_csv_file = open(ts_csv_filename, 'wb')
ts_csv = csv.writer(ts_csv_file)
for i in range (0, len(configurations)):
# Calculate mean
mean = 0
for ts_time in ts_times[i]:
mean += float(ts_time)
mean = mean / len(ts_times[i])
# Calculate standard deviation
stdd = 0
for ts_time in ts_times[i]:
stdd += (float(ts_time) - mean) * (float(ts_time) - mean)
stdd = stdd / len(ts_times[i])
stdd = math.sqrt(stdd)
report.write('<tr><td>%s</td><td>%f</td><td>%f</td></tr>\n' %
(configurations[i], mean, stdd))
ts_csv.writerow([configurations[i], mean, stdd])
report.write('</table></p>\n')
ts_csv_file.close()
# Write out TP data
report.write('<p><h2>Page Load Test (Tp) Results</h2>\n')
report.write('<table border="1" cellpadding="5" cellspacing="0">\n')
report.write('<tr>')
report.write('<th>Profile Tested</th>')
report.write('<th>Sum of mean times</th>')
report.write('<th>Sum of Standard Deviations</th></tr>\n')
tp_csv_filename = os.path.join(paths.REPORTS_DIR, filename + "_" + str(timestamp) + '_tp.csv')
tp_csv_file = open(tp_csv_filename, 'wb')
tp_csv = csv.writer(tp_csv_file)
# Write out TP data
for i in range (0, len(tp_times)):
(tmp1, mean, tmp2, stdd) = tp_times[i].split()
report.write('<tr><td>%s</td><td>%f</td><td>%f</td></tr>\n' %
(configurations[i], float(mean), float(stdd)))
tp_csv.writerow([configurations[i], float(mean), float(stdd)])
report.write('</table></p>\n')
tp_csv_file.close()
# Write out counter data from TP tests
report.write('<p><h2>Performance Data</h2></p>\n')
# Write out graph of performance for each counter
colors = ['r-', 'g-', 'b-', 'y-', 'c-', 'm-']
nonchar = re.compile('[\W]*')
if len(tp_counters) > 0:
counter_names = []
for counter in tp_counters[0]:
counter_names.append(counter)
for counter_name in counter_names:
# Create a new figure for this counter
pylab.clf()
# Label the figure, and the x/y axes
pylab.title(counter_name)
pylab.ylabel(counter_name)
pylab.xlabel("Time")
# Draw a line for each counter in a different color on the graph
current_color = 0
line_handles = [] # Save the handle of each line for the legend
for count_data in tp_counters:
data = GetPlottableData(counter_name, count_data[counter_name])
times = MakeArray(0, len(data), tp_resolution)
handle = pylab.plot(times, data, colors[current_color])
line_handles.append(handle)
current_color = (current_color + 1) % len(colors)
# Draw a legend in the upper right corner
legend = pylab.legend(line_handles, configurations, 'upper right')
ltext = legend.get_texts()
pylab.setp(ltext, fontsize='small') # legend text is too large by default
# Save the graph and link to it from html.
image_name = os.path.join(graphs_subdir,
filename + "_" + str(timestamp) + nonchar.sub('', counter_name) + '.png')
pylab.savefig(image_name)
img_src = image_name[len(paths.REPORTS_DIR) : ]
if img_src.startswith('\\'):
img_src = img_src[1 : ]
img_src = img_src.replace('\\', '/')
report.write('<p><img src="%s" alt="%s"></p>\n' % (img_src, counter_name))
report.write('</body></html>\n')
return report_filename