"cmd/internal/telemetry"

	"github.com/google/pprof/driver"
	"github.com/google/pprof/profile"
)

func main() {
	telemetry.Start()
	telemetry.Inc("pprof/invocations")
	options := &driver.Options{
		Fetch: new(fetcher),
		Obj:   new(objTool),
		UI:    newUI(),
	}
	err := driver.PProf(options)
	telemetry.CountFlags("pprof/flag:", *flag.CommandLine) // pprof will use the flag package as its default
	if err != nil {

devirt.pprof...

inline_hot.pprof...

	}
	args, err := quoted.Split(progAndArgs)
	if err != nil {
		base.Fatalf("GOCACHEPROG args: %v", err)
	}
	var prog string
	if len(args) > 0 {
		prog = args[0]
		args = args[1:]
	}

	ctx, ctxCancel := context.WithCancel(context.Background())

	cmd := exec.CommandContext(ctx, prog, args...)
	out, err := cmd.StdoutPipe()
	if err != nil {
		base.Fatalf("StdoutPipe to GOCACHEPROG: %v", err)
	}

func ProcTopic() fw.Topic {
	return procTopic{}
}

func (procTopic) Title() string {
	return "Process Info"
}

func (procTopic) Prefix() string {
	return "proc"
}

type procInfo struct {
	Egid       int    `json:"egid"`
	Euid       int    `json:"euid"`
	GID        int    `json:"gid"`
	Groups     []int  `json:"groups"`
	Pid        int    `json:"pid"`

// Package pgo contains the compiler-agnostic portions of PGO profile handling.
// Notably, parsing pprof profiles and serializing/deserializing from a custom
// intermediate representation.
package pgo

import (
	"errors"
	"fmt"
	"internal/profile"
	"io"
	"sort"
)

// FromPProf parses Profile from a pprof profile.
func FromPProf(r io.Reader) (*Profile, error) {
	p, err := profile.Parse(r)

prop-prov-1.png...

apiVersion: release-notes/v2
kind: feature
area: traffic-management
issue:
  - 49053

releaseNotes:
  - |
    **Added** `pprof` endpoints to profile the CNI pod (on port 9867).
  - |

//go:build !windows && !darwin

package pprof

import (
	"errors"
	"os"
)

// readMapping reads /proc/self/maps and writes mappings to b.pb.
// It saves the address ranges of the mappings in b.mem for use
// when emitting locations.
func (b *profileBuilder) readMapping() {
	data, _ := os.ReadFile("/proc/self/maps")
	parseProcSelfMaps(data, b.addMapping)
	if len(b.mem) == 0 { // pprof expects a map entry, so fake one.

	b0.Event("GoSyscallBegin", testgen.Seq(1), testgen.NoStack)
	b0.Event("ProcStart", trace.ProcID(1), testgen.Seq(1))
	b0.Event("GoSyscallEndBlocked")

	// A running goroutine steals proc 0.
	b1 := g.Batch(trace.ThreadID(1), 0)
	b1.Event("ProcStatus", trace.ProcID(2), go122.ProcRunning)
	b1.Event("GoStatus", trace.GoID(2), trace.ThreadID(1), go122.GoRunning)