func (t proxyFromEnvTest) String() string {
	var buf strings.Builder
	space := func() {
		if buf.Len() > 0 {
			buf.WriteByte(' ')
		}
	}
	if t.env != "" {
		fmt.Fprintf(&buf, "http_proxy=%q", t.env)
	}
	if t.httpsenv != "" {
		space()
		fmt.Fprintf(&buf, "https_proxy=%q", t.httpsenv)
	}
	if t.noenv != "" {
		space()
		fmt.Fprintf(&buf, "no_proxy=%q", t.noenv)
	}

	sigsave(&gp.m.sigmask)
	initSigmask = gp.m.sigmask

	goargs()
	goenvs()
	secure()
	checkfds()
	parsedebugvars()
	gcinit()

	// Allocate stack space that can be used when crashing due to bad stack
	// conditions, e.g. morestack on g0.
	gcrash.stack = stackalloc(16384)
	gcrash.stackguard0 = gcrash.stack.lo + 1000
	gcrash.stackguard1 = gcrash.stack.lo + 1000

	capacityNeeded := uint64(concurrent * size)
	capacity := GetTotalUsableCapacityFree(storageInfo.Disks, storageInfo)

	if capacity < capacityNeeded {
		return false, false, fmt.Sprintf("not enough usable space available to perform speedtest - expected %s, got %s",
			humanize.IBytes(capacityNeeded), humanize.IBytes(capacity))
	}

	// Verify if we can employ autotune without running out of capacity,

		cacheInterval:    1 * time.Minute,
		metricsGroupOpts: opts,
	}
	mg.RegisterRead(func(ctx context.Context) (metrics []MetricV2) {
		objLayer := newObjectLayerFn()

		// Fetch disk space info, ignore errors
		metrics = make([]MetricV2, 0, 10)
		storageInfo := objLayer.StorageInfo(ctx, true)
		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)

  // versions. Here we put a 16-byte dummy string as a placeholder. We choose
  // 16-byte because it's the alignment of buffers in flatbuffer, so it won't
  // cause any waste of space if the actual string is shorter than 16 bytes.
  constexpr std::size_t kByteStringSize = 16;
  metadata.push_back(
      BuildMetadata("min_runtime_version", std::string(kByteStringSize, '\0')));

//
// In general, a pattern looks like
//
//	[METHOD ][HOST]/[PATH]
//
// All three parts are optional; "/" is a valid pattern.
// If METHOD is present, it must be followed by at least one space or tab.
//
// Literal (that is, non-wildcard) parts of a pattern match
// the corresponding parts of a request case-sensitively.
//
// A pattern with no method matches every method. A pattern

  #parse the output and return the md5 hash
  #the sed command at the end removes whitespace
  local -r tar_md5=$(gsutil hash -h -m "${tar_location}" 2>/dev/null | grep "Hash (md5):" | awk -F ':' '{print $2}' | sed 's/^[[:space:]]*//g')
  echo "${tar_md5}"
}

# Copy a release tar and its accompanying hash.
function copy-to-staging() {
  local -r staging_path=$1
  local -r gs_url=$2
  local -r tar=$3
  local -r hash=$4

	a4    uint8  // p.RestArgs[1]
	a5    uint8  // p.RestARgs[2]
	a6    uint8  // p.To (obj.Addr)
	type_ int8   // cases in asmout below. E.g., 44 = st r,(ra+rb); 45 = ld (ra+rb), r
	size  int8   // Text space in bytes to lay operation

	// A prefixed instruction is generated by this opcode. This cannot be placed
	// across a 64B PC address. Opcodes should not translate to more than one