You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: contained.go
    path of file: ./repos/parca-agent/pkg/contained
    
    the code of the file until where you have to start completion: // Copyright 2023-2024 The Parca Authors
// 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 contained

import (
	"embed"
	"encoding/binary"
	"fmt"
	"io"
	"os"
	"runtime"

	libbpf "github.com/aquasecurity/libbpfgo"
	"github.com/aquasecurity/libbpfgo/helpers"
	"github.com/go-kit/log"
	"go.uber.org/atomic"

	parcalogger "github.com/parca-dev/parca-agent/pkg/logger"
)

//go:embed bpf/*
var bpfObjects embed.FS

const (
	maxEvents      = 25
	pollIntervalMs = 50
	binaryPath     = "/proc/self/exe"
	symbolName     = "github.com/parca-dev/parca-agent/pkg/contained.testFunction"
)

//go:noinline
func testFunction() {
	fmt.Fprintf(io.Discard, "Side-effect to avoid the compiler to optimize it out.")
}

func IsRootPIDNamespace(logger log.Logger) (bool, error) {
	libbpf.SetLoggerCbs(parcalogger.NewLibbpfLogCallbacks(logger))

	f, err := bpfObjects.Open(fmt.Sprintf("bpf/%s/pid_namespace.bpf.o", runtime.GOARCH))
	if err != nil {
		return false, fmt.Errorf("failed to open BPF object: %w", err)
	}
	defer f.Close()

	bpfObj, err := io.ReadAll(f)
	if err != nil {
		return false, fmt.Erro
    
func IsRootPIDNamespace(logger log.Logger) (bool, error) {
	libbpf.SetLoggerCbs(parcalogger.NewLibbpfLogCallbacks(logger))

	f, err := bpfObjects.Open(fmt.Sprintf("bpf/%s/pid_namespace.bpf.o", runtime.GOARCH))
	if err != nil {
		return false, fmt.Errorf("failed to open BPF object: %w", err)
	}
	defer f.Close()

	bpfObj, err := io.ReadAll(f)
	if err != nil {
		return false, fmt.Errorf("failed to read BPF object: %w", err)
	}

	bpfModule, err := libbpf.NewModuleFromBufferArgs(libbpf.NewModuleArgs{
		BPFObjBuff: bpfObj,
		BPFObjName: "pid-namespace",
	})
	if err != nil {
		return false, fmt.Errorf("new bpf module: %w", err)
	}

	err = bpfModule.BPFLoadObject()
	if err != nil {
		return false, fmt.Errorf("new bpf module: %w", err)
	}

	prog, err := bpfModule.GetProgram("uprobe__test_function")
	if err != nil {
		return false, fmt.Errorf("failed to get program: %w", err)
	}

	offset, err := helpers.SymbolToOffset(binaryPath, symbolName)
	if err != nil {
		return false, fmt.Errorf("failed to compute function offset: %w", err)
	}

	_, err = prog.AttachUprobe(-1, binaryPath, offset)
	if err != nil {
		return false, fmt.Errorf("failed to attach uprobe: %w", err)
	}

	eventsChannel := make(chan []byte)
	lostChannel := make(chan uint64)

	perfBuf, err := bpfModule.InitPerfBuf("events", eventsChannel, lostChannel, 64)
	if err != nil {
		return false, fmt.Errorf("failed to init perf buffer: %w", err)
	}
	defer perfBuf.Stop()
	defer perfBuf.Close()

	perfBuf.Poll(int(pollIntervalMs))

	var shouldRun atomic.Bool
	shouldRun.Store(true)
	defer func() {
		shouldRun.Store(false)
	}()

	go func() {
		for {
			if !shouldRun.Load() {
				break
			}
			testFunction()
		}
	}()

	for i := 0; i < maxEvents; i++ {
		b := <-eventsChannel
		val := int(binary.LittleEndian.Uint32(b))

		if val == os.Getpid() {
			return true, nil
		}
	}

	return false, nil
}