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/****************************************************************************
**
** Copyright (C) 2016 Robin Burchell <robin.burchell@viroteck.net>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
package main
import (
"code.qt.io/qt/qtqa.git/src/goqtestlib"
"flag"
"fmt"
"github.com/olekukonko/tablewriter"
"log"
"os"
"sort"
"strconv"
)
func loadTestResult(path string) *goqtestlib.ParsedTestResult {
tr := goqtestlib.TestResult{PathToResultsXML: path}
r, err := tr.Parse()
if err != nil {
log.Fatalf("Can't open result at path %s: %s", path, err)
}
return r
}
type MergedTestResult struct {
Name string
OldDuration *float64
NewDuration *float64
OldInstructionReads *float64
NewInstructionReads *float64
}
type ByName []MergedTestResult
func (s ByName) Len() int { return len(s) }
func (s ByName) Swap(i int, j int) {
s[i], s[j] = s[j], s[i]
}
func (s ByName) Less(i int, j int) bool {
return s[i].Name < s[j].Name
}
func describeChange(pChange float64) string {
pStr := strconv.FormatFloat(pChange, 'f', 2, 64)
if pChange > 0 {
return fmt.Sprintf("+%s%% FASTER! :)", pStr)
} else if pChange < 0 {
return fmt.Sprintf("%s%%", pStr)
} else {
return "more or less the same"
}
}
func main() {
var nf = flag.String("new", "", "the changed XML result to compare against")
var of = flag.String("old", "", "the baseline XML result to compare against")
flag.Parse()
nxml := *nf
oxml := *of
if len(nxml) == 0 {
log.Fatalf("no new provided - nothing to compare")
return
}
if len(oxml) == 0 {
log.Fatalf("no old provided - nothing to compare against")
return
}
oldTest := loadTestResult(oxml)
newTest := loadTestResult(nxml)
if oldTest.Name != newTest.Name {
log.Fatalf("I can't compare two totally different things (old: %s, new: %s)", oldTest.Name, newTest.Name)
return
}
// merge the test functions into a singular representation.
mergedResults := map[string]MergedTestResult{}
// XXX: add a way to specify what type of benchmarkresult to look for.
for _, fn := range oldTest.Functions {
for _, br := range fn.BenchmarkResults {
res := mergedResults[fn.Name]
res.Name = fn.Name
if br.Metric == "WalltimeMilliseconds" {
res.OldDuration = &(br.Value)
} else if br.Metric == "InstructionReads" {
res.OldInstructionReads = &(br.Value)
}
mergedResults[fn.Name] = res
}
}
for _, fn := range newTest.Functions {
for _, br := range fn.BenchmarkResults {
res := mergedResults[fn.Name]
res.Name = fn.Name
if br.Metric == "WalltimeMilliseconds" {
res.NewDuration = &(br.Value)
} else if br.Metric == "InstructionReads" {
res.NewInstructionReads = &(br.Value)
}
mergedResults[fn.Name] = res
}
}
// convert mergedResults to a slice, and sort it for stable results.
sortedResults := []MergedTestResult{}
for _, mr := range mergedResults {
sortedResults = append(sortedResults, mr)
}
sort.Sort(ByName(sortedResults))
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Test", "From", "To", "Details"})
table.SetBorder(false)
totalPChange := 0.0
for _, mr := range sortedResults {
row := []string{}
row = append(row, mr.Name)
if mr.OldInstructionReads != nil && mr.NewInstructionReads != nil {
pChange := (*mr.NewInstructionReads - *mr.OldInstructionReads) / *mr.OldInstructionReads
totalPChange += pChange
row = append(row, strconv.FormatFloat(*mr.OldInstructionReads, 'f', 2, 64)+" instr")
row = append(row, strconv.FormatFloat(*mr.NewInstructionReads, 'f', 2, 64)+" instr")
row = append(row, describeChange(pChange))
} else if mr.OldDuration != nil && mr.NewDuration != nil {
pChange := (*mr.NewDuration - *mr.OldDuration) / *mr.OldDuration
totalPChange += pChange
row = append(row, strconv.FormatFloat(*mr.OldDuration, 'f', 2, 64)+" ms")
row = append(row, strconv.FormatFloat(*mr.NewDuration, 'f', 2, 64)+" ms")
row = append(row, describeChange(pChange))
} else {
// the comparison can't be made because either the data types are
// differing between the two runs, or we're missing a test in one
// run.
//
// try find something to display for old and new. fall back to "-"
// if we can't.
ostr := "-"
nstr := "-"
if mr.OldDuration != nil {
ostr = strconv.FormatFloat(*mr.OldDuration, 'f', 2, 64) + " ms"
} else if mr.OldInstructionReads != nil {
ostr = strconv.FormatFloat(*mr.OldInstructionReads, 'f', 2, 64) + " instr"
}
if mr.NewDuration != nil {
nstr = strconv.FormatFloat(*mr.NewDuration, 'f', 2, 64) + " ms"
} else if mr.NewInstructionReads != nil {
nstr = strconv.FormatFloat(*mr.NewInstructionReads, 'f', 2, 64) + " instr"
}
row = append(row, ostr)
row = append(row, nstr)
row = append(row, "-")
}
table.Append(row)
}
verdict := ""
totalPStr := strconv.FormatFloat(totalPChange, 'f', 2, 64)
if totalPChange > 0 {
verdict = fmt.Sprintf("+%s%% :)", totalPStr)
} else if totalPChange < 0 {
verdict = fmt.Sprintf("%s%% :(", totalPStr)
} else {
verdict = "more or less the same"
}
table.SetFooter([]string{newTest.Name, "", "", verdict})
table.Render()
}
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