"fuzzminimizetime":     true,
	"fuzztime":             true,
	"list":                 true,
	"memprofile":           true,
	"memprofilerate":       true,
	"mutexprofile":         true,
	"mutexprofilefraction": true,
	"outputdir":            true,
	"parallel":             true,
	"run":                  true,
	"short":                true,
	"shuffle":              true,
	"skip":                 true,

			"accelerate configuration push, but it also means that istiod will consume more CPU resources.",
	).Get()

	MutexProfileFraction = env.Register("MUTEX_PROFILE_FRACTION", 1000,
		"If set to a non-zero value, enables mutex profiling a rate of 1/MUTEX_PROFILE_FRACTION events."+
			" For example, '1000' will record 0.1% of events. "+
			"Set to 0 to disable entirely.").Get()

	StatusUpdateInterval = env.Register(

	mutexProfile = flag.String("test.mutexprofile", "", "write a mutex contention profile to the named file after execution")
	mutexProfileFraction = flag.Int("test.mutexprofilefraction", 1, "if >= 0, calls runtime.SetMutexProfileFraction()")
	panicOnExit0 = flag.Bool("test.paniconexit0", false, "panic on call to os.Exit(0)")

	cf.StringVar(&testList, "list", "", "")
	cf.StringVar(&testMemProfile, "memprofile", "", "")
	cf.String("memprofilerate", "", "")
	cf.StringVar(&testMutexProfile, "mutexprofile", "", "")
	cf.String("mutexprofilefraction", "", "")
	cf.Var(&testOutputDir, "outputdir", "")
	cf.Int("parallel", 0, "")
	cf.String("run", "", "")
	cf.Bool("short", false, "")
	cf.String("skip", "", "")

	// They will be exposed on XDS-over-TLS in future releases.
	if !features.EnableDebugOnHTTP {
		return
	}

	if enableProfiling {
		runtime.SetMutexProfileFraction(features.MutexProfileFraction)
		runtime.SetBlockProfileRate(features.MutexProfileFraction)
		s.addDebugHandler(mux, internalMux, "/debug/pprof/", "Displays pprof index", pprof.Index)

	interface value or an untyped nil.

	runtimecontentionstacks: setting runtimecontentionstacks=1 enables inclusion of call stacks
	related to contention on runtime-internal locks in the "mutex" profile, subject to the
	MutexProfileFraction setting. When runtimecontentionstacks=0, contention on
	runtime-internal locks will report as "runtime._LostContendedRuntimeLock". When
	runtimecontentionstacks=1, the call stacks will correspond to the unlock call that released

	-mutexprofile mutex.out
	    Write a mutex contention profile to the specified file
	    when all tests are complete.
	    Writes test binary as -c would.

	-mutexprofilefraction n
	    Sample 1 in n stack traces of goroutines holding a
	    contended mutex.

	-outputdir directory
	    Place output files from profiling in the specified directory,

//
//	-mutexprofile mutex.out
//	    Write a mutex contention profile to the specified file
//	    when all tests are complete.
//	    Writes test binary as -c would.
//
//	-mutexprofilefraction n
//	    Sample 1 in n stack traces of goroutines holding a
//	    contended mutex.
//
//	-outputdir directory
//	    Place output files from profiling in the specified directory,