import (
	"flag"
	"os"

	"github.com/felixge/fgprof"

	"istio.io/istio/pkg/test"
)

var fprof string

// init initializes additional profiling flags
// Go comes with some, like -cpuprofile and -memprofile by default, so those are elided.
func init() {
	flag.StringVar(&fprof, "fullprofile", "", "enable full profile. Path will be relative to test directory")
}

			return r.Stack0[0:i]
		}
	}
	return r.Stack0[0:]
}

// MemProfile returns a profile of memory allocated and freed per allocation
// site.
//
// MemProfile returns n, the number of records in the current memory profile.
// If len(p) >= n, MemProfile copies the profile into p and returns n, true.
// If len(p) < n, MemProfile does not change p and returns n, false.
//

// memory profiles to cpu.prof and mem.prof:
//
//	go test -cpuprofile cpu.prof -memprofile mem.prof -bench .
//
// To add equivalent profiling support to a standalone program, add
// code like the following to your main function:
//
//	var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to `file`")
//	var memprofile = flag.String("memprofile", "", "write memory profile to `file`")
//
//	func main() {
//	    flag.Parse()

	// it cannot lead to false failure.
	for i := 0; i < 5; i++ {
		runtime.GC()
		time.Sleep(10 * time.Millisecond)
	}
	// Read memory profile.
	var prof []runtime.MemProfileRecord
	for {
		if n, ok := runtime.MemProfile(prof, false); ok {
			prof = prof[:n]
			break
		} else {
			prof = make([]runtime.MemProfileRecord, n+10)
		}
	}
	// See how much memory in tiny objects is profiled.
	var totalBytes int64

			buf.WriteString(a.regnames[i])
		}
		r >>= 1
	}
	return buf.String()
}

var archs []arch

var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to `file`")
var tracefile = flag.String("trace", "", "write trace to `file`")

func main() {
	flag.Parse()
	if *cpuprofile != "" {
		f, err := os.Create(*cpuprofile)

		chatty		= flag.Bool("test.v", false, "verbose: print additional output")
		match		= flag.String("test.run", "", "regular expression to select tests to run")
		memProfile	= flag.String("test.memprofile", "", "write a memory profile to the named file after execution")
		memProfileRate	= flag.Int("test.memprofilerate", 0, "if >=0, sets runtime.MemProfileRate")

	-linkmode mode
		Set link mode (internal, external, auto).
		This sets the linking mode as described in cmd/cgo/doc.go.
	-linkshared
		Link against installed Go shared libraries (experimental).
	-memprofile file
		Write memory profile to file.
	-memprofilerate rate
		Set runtime.MemProfileRate to rate.
	-msan
		Link with C/C++ memory sanitizer support.
	-o file

  //
  // (1) input tensors of that operation,
  // (2) output tensors of that operation,
  // (3) output tensors of preceding operations that are input tensors
  //     of subsequent operations.
  using MemProfile = std::vector<SizeT>;

  // Used for specifying memory consumption at a certain operation in the
  // computational graph.
  struct MemSpec {
    int op_index;  // The index of the operation

	cf.BoolVar(&testFailFast, "failfast", false, "")
	cf.StringVar(&testFuzz, "fuzz", "", "")
	cf.Bool("fullpath", false, "")
	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, "")

            [&](int i) { return i >= remat.insert; }));
      }
    }
  }
  std::sort(deltas.begin(), deltas.end(), ByOpIndex);
  return deltas;
}

Rematerializer::MemProfile Rematerializer::GetMemProfile(
    const RematSpec& remat) const {
  const auto num_inserted = remat.end - remat.begin;
  std::vector<SizeT> profile(operations_.size() + num_inserted);