mirror of
https://github.com/restic/restic.git
synced 2024-12-26 17:57:50 +00:00
226 lines
7.5 KiB
Go
226 lines
7.5 KiB
Go
|
// Copyright 2017 Google Inc. All Rights Reserved.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package profiler
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"reflect"
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"github.com/google/pprof/profile"
|
||
|
|
)
|
||
|
|
|
||
|
|
type fakeFunc struct {
|
||
|
|
name string
|
||
|
|
file string
|
||
|
|
lineno int
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *fakeFunc) Name() string {
|
||
|
|
return f.name
|
||
|
|
}
|
||
|
|
func (f *fakeFunc) FileLine(_ uintptr) (string, int) {
|
||
|
|
return f.file, f.lineno
|
||
|
|
}
|
||
|
|
|
||
|
|
// TestRuntimeFunctionTrimming tests if symbolize trims runtime functions as intended.
|
||
|
|
func TestRuntimeFunctionTrimming(t *testing.T) {
|
||
|
|
fakeFuncMap := map[uintptr]*fakeFunc{
|
||
|
|
0x10: &fakeFunc{"runtime.goexit", "runtime.go", 10},
|
||
|
|
0x20: &fakeFunc{"runtime.other", "runtime.go", 20},
|
||
|
|
0x30: &fakeFunc{"foo", "foo.go", 30},
|
||
|
|
0x40: &fakeFunc{"bar", "bar.go", 40},
|
||
|
|
}
|
||
|
|
backupFuncForPC := funcForPC
|
||
|
|
funcForPC = func(pc uintptr) function {
|
||
|
|
return fakeFuncMap[pc]
|
||
|
|
}
|
||
|
|
defer func() {
|
||
|
|
funcForPC = backupFuncForPC
|
||
|
|
}()
|
||
|
|
testLoc := []*profile.Location{
|
||
|
|
{ID: 1, Address: 0x10},
|
||
|
|
{ID: 2, Address: 0x20},
|
||
|
|
{ID: 3, Address: 0x30},
|
||
|
|
{ID: 4, Address: 0x40},
|
||
|
|
}
|
||
|
|
testProfile := &profile.Profile{
|
||
|
|
Sample: []*profile.Sample{
|
||
|
|
{Location: []*profile.Location{testLoc[0], testLoc[1], testLoc[3], testLoc[2]}},
|
||
|
|
{Location: []*profile.Location{testLoc[1], testLoc[3], testLoc[2]}},
|
||
|
|
{Location: []*profile.Location{testLoc[3], testLoc[2], testLoc[1]}},
|
||
|
|
{Location: []*profile.Location{testLoc[3], testLoc[2], testLoc[0]}},
|
||
|
|
{Location: []*profile.Location{testLoc[0], testLoc[1], testLoc[3], testLoc[0]}},
|
||
|
|
{Location: []*profile.Location{testLoc[1], testLoc[0]}},
|
||
|
|
},
|
||
|
|
Location: testLoc,
|
||
|
|
}
|
||
|
|
testProfiles := make([]*profile.Profile, 2)
|
||
|
|
testProfiles[0] = testProfile.Copy()
|
||
|
|
testProfiles[1] = testProfile.Copy()
|
||
|
|
// Test case for CPU profile.
|
||
|
|
testProfiles[0].PeriodType = &profile.ValueType{Type: "cpu", Unit: "nanoseconds"}
|
||
|
|
// Test case for heap profile.
|
||
|
|
testProfiles[1].PeriodType = &profile.ValueType{Type: "space", Unit: "bytes"}
|
||
|
|
wantFunc := []*profile.Function{
|
||
|
|
{ID: 1, Name: "runtime.goexit", SystemName: "runtime.goexit", Filename: "runtime.go"},
|
||
|
|
{ID: 2, Name: "runtime.other", SystemName: "runtime.other", Filename: "runtime.go"},
|
||
|
|
{ID: 3, Name: "foo", SystemName: "foo", Filename: "foo.go"},
|
||
|
|
{ID: 4, Name: "bar", SystemName: "bar", Filename: "bar.go"},
|
||
|
|
}
|
||
|
|
wantLoc := []*profile.Location{
|
||
|
|
{ID: 1, Address: 0x10, Line: []profile.Line{{Function: wantFunc[0], Line: 10}}},
|
||
|
|
{ID: 2, Address: 0x20, Line: []profile.Line{{Function: wantFunc[1], Line: 20}}},
|
||
|
|
{ID: 3, Address: 0x30, Line: []profile.Line{{Function: wantFunc[2], Line: 30}}},
|
||
|
|
{ID: 4, Address: 0x40, Line: []profile.Line{{Function: wantFunc[3], Line: 40}}},
|
||
|
|
}
|
||
|
|
wantProfiles := []*profile.Profile{
|
||
|
|
{
|
||
|
|
PeriodType: &profile.ValueType{Type: "cpu", Unit: "nanoseconds"},
|
||
|
|
Sample: []*profile.Sample{
|
||
|
|
{Location: []*profile.Location{wantLoc[1], wantLoc[3], wantLoc[2]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[1], wantLoc[3], wantLoc[2]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[3], wantLoc[2], wantLoc[1]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[3], wantLoc[2]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[1], wantLoc[3]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[1]}},
|
||
|
|
},
|
||
|
|
Location: wantLoc,
|
||
|
|
Function: wantFunc,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
PeriodType: &profile.ValueType{Type: "space", Unit: "bytes"},
|
||
|
|
Sample: []*profile.Sample{
|
||
|
|
{Location: []*profile.Location{wantLoc[3], wantLoc[2]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[3], wantLoc[2]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[3], wantLoc[2], wantLoc[1]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[3], wantLoc[2]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[3]}},
|
||
|
|
{Location: []*profile.Location{wantLoc[0]}},
|
||
|
|
},
|
||
|
|
Location: wantLoc,
|
||
|
|
Function: wantFunc,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
for i := 0; i < 2; i++ {
|
||
|
|
symbolize(testProfiles[i])
|
||
|
|
if !reflect.DeepEqual(testProfiles[i], wantProfiles[i]) {
|
||
|
|
t.Errorf("incorrect trimming (testcase = %d): got {%v}, want {%v}", i, testProfiles[i], wantProfiles[i])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// TestParseAndSymbolize tests if parseAndSymbolize parses and symbolizes
|
||
|
|
// profiles as intended.
|
||
|
|
func TestParseAndSymbolize(t *testing.T) {
|
||
|
|
fakeFuncMap := map[uintptr]*fakeFunc{
|
||
|
|
0x10: &fakeFunc{"foo", "foo.go", 10},
|
||
|
|
0x20: &fakeFunc{"bar", "bar.go", 20},
|
||
|
|
}
|
||
|
|
backupFuncForPC := funcForPC
|
||
|
|
funcForPC = func(pc uintptr) function {
|
||
|
|
return fakeFuncMap[pc]
|
||
|
|
}
|
||
|
|
defer func() {
|
||
|
|
funcForPC = backupFuncForPC
|
||
|
|
}()
|
||
|
|
|
||
|
|
testLoc := []*profile.Location{
|
||
|
|
{ID: 1, Address: 0x10},
|
||
|
|
{ID: 2, Address: 0x20},
|
||
|
|
}
|
||
|
|
testProfile := &profile.Profile{
|
||
|
|
SampleType: []*profile.ValueType{
|
||
|
|
&profile.ValueType{Type: "cpu", Unit: "nanoseconds"},
|
||
|
|
},
|
||
|
|
PeriodType: &profile.ValueType{Type: "cpu", Unit: "nanoseconds"},
|
||
|
|
Sample: []*profile.Sample{
|
||
|
|
{Location: []*profile.Location{testLoc[0], testLoc[1]}, Value: []int64{1}},
|
||
|
|
{Location: []*profile.Location{testLoc[1]}, Value: []int64{1}},
|
||
|
|
},
|
||
|
|
Location: testLoc,
|
||
|
|
}
|
||
|
|
testProfiles := make([]*profile.Profile, 2)
|
||
|
|
testProfiles[0] = testProfile.Copy()
|
||
|
|
testProfiles[1] = testProfile.Copy()
|
||
|
|
|
||
|
|
wantFunc := []*profile.Function{
|
||
|
|
{ID: 1, Name: "foo", SystemName: "foo", Filename: "foo.go"},
|
||
|
|
{ID: 2, Name: "bar", SystemName: "bar", Filename: "bar.go"},
|
||
|
|
}
|
||
|
|
wantLoc := []*profile.Location{
|
||
|
|
{ID: 1, Address: 0x10, Line: []profile.Line{{Function: wantFunc[0], Line: 10}}},
|
||
|
|
{ID: 2, Address: 0x20, Line: []profile.Line{{Function: wantFunc[1], Line: 20}}},
|
||
|
|
}
|
||
|
|
wantProfile := &profile.Profile{
|
||
|
|
SampleType: []*profile.ValueType{
|
||
|
|
&profile.ValueType{Type: "cpu", Unit: "nanoseconds"},
|
||
|
|
},
|
||
|
|
PeriodType: &profile.ValueType{Type: "cpu", Unit: "nanoseconds"},
|
||
|
|
Sample: []*profile.Sample{
|
||
|
|
{Location: []*profile.Location{wantLoc[0], wantLoc[1]}, Value: []int64{1}},
|
||
|
|
{Location: []*profile.Location{wantLoc[1]}, Value: []int64{1}},
|
||
|
|
},
|
||
|
|
Location: wantLoc,
|
||
|
|
Function: wantFunc,
|
||
|
|
}
|
||
|
|
|
||
|
|
// Profile already symbolized.
|
||
|
|
testProfiles[1].Location = []*profile.Location{
|
||
|
|
{ID: 1, Address: 0x10, Line: []profile.Line{{Function: wantFunc[0], Line: 10}}},
|
||
|
|
{ID: 2, Address: 0x20, Line: []profile.Line{{Function: wantFunc[1], Line: 20}}},
|
||
|
|
}
|
||
|
|
testProfiles[1].Function = []*profile.Function{
|
||
|
|
{ID: 1, Name: "foo", SystemName: "foo", Filename: "foo.go"},
|
||
|
|
{ID: 2, Name: "bar", SystemName: "bar", Filename: "bar.go"},
|
||
|
|
}
|
||
|
|
for i := 0; i < 2; i++ {
|
||
|
|
var prof bytes.Buffer
|
||
|
|
testProfiles[i].Write(&prof)
|
||
|
|
|
||
|
|
parseAndSymbolize(&prof)
|
||
|
|
gotProfile, err := profile.ParseData(prof.Bytes())
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("parsing symbolized profile (testcase = %d) got err: %v, want no error", i, err)
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(gotProfile, wantProfile) {
|
||
|
|
t.Errorf("incorrect symbolization (testcase = %d): got {%v}, want {%v}", i, gotProfile, wantProfile)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestIsSymbolizedGoVersion(t *testing.T) {
|
||
|
|
for _, tc := range []struct {
|
||
|
|
input string
|
||
|
|
want bool
|
||
|
|
}{
|
||
|
|
{"go1.9beta2", true},
|
||
|
|
{"go1.9", true},
|
||
|
|
{"go1.9.1", true},
|
||
|
|
{"go1.10", true},
|
||
|
|
{"go1.10.1", true},
|
||
|
|
{"go2.0", true},
|
||
|
|
{"go3.1", true},
|
||
|
|
{"go1.8", false},
|
||
|
|
{"go1.8.1", false},
|
||
|
|
{"go1.7", false},
|
||
|
|
{"devel ", false},
|
||
|
|
} {
|
||
|
|
if got := isSymbolizedGoVersion(tc.input); got != tc.want {
|
||
|
|
t.Errorf("isSymbolizedGoVersion(%v) got %v, want %v", tc.input, got, tc.want)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|