--- /dev/null
+#!/usr/bin/env python
+# Copyright 2015 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+'''
+python %prog
+
+Convert a perf trybot JSON file into a pleasing HTML page. It can read
+from standard input or via the --filename option. Examples:
+
+ cat results.json | %prog --title "ia32 results"
+ %prog -f results.json -t "ia32 results" -o results.html
+'''
+
+import commands
+import json
+import math
+from optparse import OptionParser
+import os
+import shutil
+import sys
+import tempfile
+
+PERCENT_CONSIDERED_SIGNIFICANT = 0.5
+PROBABILITY_CONSIDERED_SIGNIFICANT = 0.02
+PROBABILITY_CONSIDERED_MEANINGLESS = 0.05
+
+
+def ComputeZ(baseline_avg, baseline_sigma, mean, n):
+ if baseline_sigma == 0:
+ return 1000.0;
+ return abs((mean - baseline_avg) / (baseline_sigma / math.sqrt(n)))
+
+
+# Values from http://www.fourmilab.ch/rpkp/experiments/analysis/zCalc.html
+def ComputeProbability(z):
+ if z > 2.575829: # p 0.005: two sided < 0.01
+ return 0
+ if z > 2.326348: # p 0.010
+ return 0.01
+ if z > 2.170091: # p 0.015
+ return 0.02
+ if z > 2.053749: # p 0.020
+ return 0.03
+ if z > 1.959964: # p 0.025: two sided < 0.05
+ return 0.04
+ if z > 1.880793: # p 0.030
+ return 0.05
+ if z > 1.811910: # p 0.035
+ return 0.06
+ if z > 1.750686: # p 0.040
+ return 0.07
+ if z > 1.695397: # p 0.045
+ return 0.08
+ if z > 1.644853: # p 0.050: two sided < 0.10
+ return 0.09
+ if z > 1.281551: # p 0.100: two sided < 0.20
+ return 0.10
+ return 0.20 # two sided p >= 0.20
+
+
+class Result:
+ def __init__(self, test_name, count, hasScoreUnits, result, sigma,
+ master_result, master_sigma):
+ self.result_ = float(result)
+ self.sigma_ = float(sigma)
+ self.master_result_ = float(master_result)
+ self.master_sigma_ = float(master_sigma)
+ self.significant_ = False
+ self.notable_ = 0
+ self.percentage_string_ = ""
+ # compute notability and significance.
+ if hasScoreUnits:
+ compare_num = 100*self.result_/self.master_result_ - 100
+ else:
+ compare_num = 100*self.master_result_/self.result_ - 100
+ if abs(compare_num) > 0.1:
+ self.percentage_string_ = "%3.1f" % (compare_num)
+ z = ComputeZ(self.master_result_, self.master_sigma_, self.result_, count)
+ p = ComputeProbability(z)
+ if p < PROBABILITY_CONSIDERED_SIGNIFICANT:
+ self.significant_ = True
+ if compare_num >= PERCENT_CONSIDERED_SIGNIFICANT:
+ self.notable_ = 1
+ elif compare_num <= -PERCENT_CONSIDERED_SIGNIFICANT:
+ self.notable_ = -1
+
+ def result(self):
+ return self.result_
+
+ def sigma(self):
+ return self.sigma_
+
+ def master_result(self):
+ return self.master_result_
+
+ def master_sigma(self):
+ return self.master_sigma_
+
+ def percentage_string(self):
+ return self.percentage_string_;
+
+ def isSignificant(self):
+ return self.significant_
+
+ def isNotablyPositive(self):
+ return self.notable_ > 0
+
+ def isNotablyNegative(self):
+ return self.notable_ < 0
+
+
+class Benchmark:
+ def __init__(self, name, data):
+ self.name_ = name
+ self.tests_ = {}
+ for test in data:
+ # strip off "<name>/" prefix
+ test_name = test.split("/")[1]
+ self.appendResult(test_name, data[test])
+
+ # tests is a dictionary of Results
+ def tests(self):
+ return self.tests_
+
+ def SortedTestKeys(self):
+ keys = self.tests_.keys()
+ keys.sort()
+ t = "Total"
+ if t in keys:
+ keys.remove(t)
+ keys.append(t)
+ return keys
+
+ def name(self):
+ return self.name_
+
+ def appendResult(self, test_name, test_data):
+ with_string = test_data["result with patch "]
+ data = with_string.split()
+ master_string = test_data["result without patch"]
+ master_data = master_string.split()
+ runs = int(test_data["runs"])
+ units = test_data["units"]
+ hasScoreUnits = units == "score"
+ self.tests_[test_name] = Result(test_name,
+ runs,
+ hasScoreUnits,
+ data[0], data[2],
+ master_data[0], master_data[2])
+
+
+class BenchmarkRenderer:
+ def __init__(self, output_file):
+ self.print_output_ = []
+ self.output_file_ = output_file
+
+ def Print(self, str_data):
+ self.print_output_.append(str_data)
+
+ def FlushOutput(self):
+ string_data = "\n".join(self.print_output_)
+ print_output = []
+ if self.output_file_:
+ # create a file
+ with open(self.output_file_, "w") as text_file:
+ text_file.write(string_data)
+ else:
+ print(string_data)
+
+ def RenderOneBenchmark(self, benchmark):
+ self.Print("<h2>")
+ self.Print("<a name=\"" + benchmark.name() + "\">")
+ self.Print(benchmark.name() + "</a> <a href=\"#top\">(top)</a>")
+ self.Print("</h2>");
+ self.Print("<table class=\"benchmark\">")
+ self.Print("<thead>")
+ self.Print(" <th>Test</th>")
+ self.Print(" <th>Result</th>")
+ self.Print(" <th>Master</th>")
+ self.Print(" <th>%</th>")
+ self.Print("</thead>")
+ self.Print("<tbody>")
+ tests = benchmark.tests()
+ for test in benchmark.SortedTestKeys():
+ t = tests[test]
+ self.Print(" <tr>")
+ self.Print(" <td>" + test + "</td>")
+ self.Print(" <td>" + str(t.result()) + "</td>")
+ self.Print(" <td>" + str(t.master_result()) + "</td>")
+ t = tests[test]
+ res = t.percentage_string()
+ if t.isSignificant():
+ res = self.bold(res)
+ if t.isNotablyPositive():
+ res = self.green(res)
+ elif t.isNotablyNegative():
+ res = self.red(res)
+ self.Print(" <td>" + res + "</td>")
+ self.Print(" </tr>")
+ self.Print("</tbody>")
+ self.Print("</table>")
+
+ def ProcessJSONData(self, data, title):
+ self.Print("<h1>" + title + "</h1>")
+ self.Print("<ul>")
+ for benchmark in data:
+ if benchmark != "errors":
+ self.Print("<li><a href=\"#" + benchmark + "\">" + benchmark + "</a></li>")
+ self.Print("</ul>")
+ for benchmark in data:
+ if benchmark != "errors":
+ benchmark_object = Benchmark(benchmark, data[benchmark])
+ self.RenderOneBenchmark(benchmark_object)
+
+ def bold(self, data):
+ return "<b>" + data + "</b>"
+
+ def red(self, data):
+ return "<font color=\"red\">" + data + "</font>"
+
+
+ def green(self, data):
+ return "<font color=\"green\">" + data + "</font>"
+
+ def PrintHeader(self):
+ data = """<html>
+<head>
+<title>Output</title>
+<style type="text/css">
+/*
+Style inspired by Andy Ferra's gist at https://gist.github.com/andyferra/2554919
+*/
+body {
+ font-family: Helvetica, arial, sans-serif;
+ font-size: 14px;
+ line-height: 1.6;
+ padding-top: 10px;
+ padding-bottom: 10px;
+ background-color: white;
+ padding: 30px;
+}
+h1, h2, h3, h4, h5, h6 {
+ margin: 20px 0 10px;
+ padding: 0;
+ font-weight: bold;
+ -webkit-font-smoothing: antialiased;
+ cursor: text;
+ position: relative;
+}
+h1 {
+ font-size: 28px;
+ color: black;
+}
+
+h2 {
+ font-size: 24px;
+ border-bottom: 1px solid #cccccc;
+ color: black;
+}
+
+h3 {
+ font-size: 18px;
+}
+
+h4 {
+ font-size: 16px;
+}
+
+h5 {
+ font-size: 14px;
+}
+
+h6 {
+ color: #777777;
+ font-size: 14px;
+}
+
+p, blockquote, ul, ol, dl, li, table, pre {
+ margin: 15px 0;
+}
+
+li p.first {
+ display: inline-block;
+}
+
+ul, ol {
+ padding-left: 30px;
+}
+
+ul :first-child, ol :first-child {
+ margin-top: 0;
+}
+
+ul :last-child, ol :last-child {
+ margin-bottom: 0;
+}
+
+table {
+ padding: 0;
+}
+
+table tr {
+ border-top: 1px solid #cccccc;
+ background-color: white;
+ margin: 0;
+ padding: 0;
+}
+
+table tr:nth-child(2n) {
+ background-color: #f8f8f8;
+}
+
+table tr th {
+ font-weight: bold;
+ border: 1px solid #cccccc;
+ text-align: left;
+ margin: 0;
+ padding: 6px 13px;
+}
+table tr td {
+ border: 1px solid #cccccc;
+ text-align: left;
+ margin: 0;
+ padding: 6px 13px;
+}
+table tr th :first-child, table tr td :first-child {
+ margin-top: 0;
+}
+table tr th :last-child, table tr td :last-child {
+ margin-bottom: 0;
+}
+</style>
+</head>
+<body>
+"""
+ self.Print(data)
+
+ def PrintFooter(self):
+ data = """</body>
+</html>
+"""
+ self.Print(data)
+
+
+def Render(opts, args):
+ if opts.filename:
+ with open(opts.filename) as json_data:
+ data = json.load(json_data)
+ else:
+ # load data from stdin
+ data = json.load(sys.stdin)
+
+ if opts.title:
+ title = opts.title
+ elif opts.filename:
+ title = opts.filename
+ else:
+ title = "Benchmark results"
+ renderer = BenchmarkRenderer(opts.output)
+ renderer.PrintHeader()
+ renderer.ProcessJSONData(data, title)
+ renderer.PrintFooter()
+ renderer.FlushOutput()
+
+
+if __name__ == '__main__':
+ parser = OptionParser(usage=__doc__)
+ parser.add_option("-f", "--filename", dest="filename",
+ help="Specifies the filename for the JSON results "
+ "rather than reading from stdin.")
+ parser.add_option("-t", "--title", dest="title",
+ help="Optional title of the web page.")
+ parser.add_option("-o", "--output", dest="output",
+ help="Write html output to this file rather than stdout.")
+
+ (opts, args) = parser.parse_args()
+ Render(opts, args)