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📁 ..
📄 elf.go(2.79 KB)
📄 label.go(2.95 KB)
📄 label_test.go(3.21 KB)
📄 map.go(1.94 KB)
📄 mprof_test.go(5.32 KB)
📄 pprof.go(27.95 KB)
📄 pprof_norusage.go(378 B)
📄 pprof_rusage.go(838 B)
📄 pprof_test.go(59.88 KB)
📄 proto.go(25.59 KB)
📄 proto_test.go(16.37 KB)
📄 protobuf.go(2.51 KB)
📄 protomem.go(2.91 KB)
📄 protomem_test.go(2.53 KB)
📄 runtime.go(1.5 KB)
📄 runtime_test.go(3 KB)
📄 rusage_test.go(827 B)
📁 testdata
📄 uname_linux_test.go(1.3 KB)
📄 uname_other_test.go(335 B)

Editing: protomem_test.go

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package pprof

import (
	"bytes"
	"internal/profile"
	"runtime"
	"testing"
)

func TestConvertMemProfile(t *testing.T) {
	addr1, addr2, map1, map2 := testPCs(t)

// MemProfileRecord stacks are return PCs, so add one to the
	// addresses recorded in the "profile". The proto profile
	// locations are call PCs, so conversion will subtract one
	// from these and get back to addr1 and addr2.
	a1, a2 := uintptr(addr1)+1, uintptr(addr2)+1
	rate := int64(512 * 1024)
	rec := []runtime.MemProfileRecord{
		{AllocBytes: 4096, FreeBytes: 1024, AllocObjects: 4, FreeObjects: 1, Stack0: [32]uintptr{a1, a2}},
		{AllocBytes: 512 * 1024, FreeBytes: 0, AllocObjects: 1, FreeObjects: 0, Stack0: [32]uintptr{a2 + 1, a2 + 2}},
		{AllocBytes: 512 * 1024, FreeBytes: 512 * 1024, AllocObjects: 1, FreeObjects: 1, Stack0: [32]uintptr{a1 + 1, a1 + 2, a2 + 3}},
	}

periodType := &profile.ValueType{Type: "space", Unit: "bytes"}
	sampleType := []*profile.ValueType{
		{Type: "alloc_objects", Unit: "count"},
		{Type: "alloc_space", Unit: "bytes"},
		{Type: "inuse_objects", Unit: "count"},
		{Type: "inuse_space", Unit: "bytes"},
	}
	samples := []*profile.Sample{
		{
			Value: []int64{2050, 2099200, 1537, 1574400},
			Location: []*profile.Location{
				{ID: 1, Mapping: map1, Address: addr1},
				{ID: 2, Mapping: map2, Address: addr2},
			},
			NumLabel: map[string][]int64{"bytes": {1024}},
		},
		{
			Value: []int64{1, 829411, 1, 829411},
			Location: []*profile.Location{
				{ID: 3, Mapping: map2, Address: addr2 + 1},
				{ID: 4, Mapping: map2, Address: addr2 + 2},
			},
			NumLabel: map[string][]int64{"bytes": {512 * 1024}},
		},
		{
			Value: []int64{1, 829411, 0, 0},
			Location: []*profile.Location{
				{ID: 5, Mapping: map1, Address: addr1 + 1},
				{ID: 6, Mapping: map1, Address: addr1 + 2},
				{ID: 7, Mapping: map2, Address: addr2 + 3},
			},
			NumLabel: map[string][]int64{"bytes": {512 * 1024}},
		},
	}
	for _, tc := range []struct {
		name              string
		defaultSampleType string
	}{
		{"heap", ""},
		{"allocs", "alloc_space"},
	} {
		t.Run(tc.name, func(t *testing.T) {
			var buf bytes.Buffer
			if err := writeHeapProto(&buf, rec, rate, tc.defaultSampleType); err != nil {
				t.Fatalf("writing profile: %v", err)
			}

p, err := profile.Parse(&buf)
			if err != nil {
				t.Fatalf("profile.Parse: %v", err)
			}

checkProfile(t, p, rate, periodType, sampleType, samples, tc.defaultSampleType)
		})
	}
}

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Editing: protomem_test.go

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