}

// findfuncbucket is an array of these structures.
// Each bucket represents 4096 bytes of the text segment.
// Each subbucket represents 256 bytes of the text segment.
// To find a function given a pc, locate the bucket and subbucket for
// that pc. Add together the idx and subbucket value to obtain a
// function index. Then scan the functab array starting at that
// index to find the target function.

)

type TimeHistogram timeHistogram

// Counts returns the counts for the given bucket, subBucket indices.
// Returns true if the bucket was valid, otherwise returns the counts
// for the overflow bucket if bucket > 0 or the underflow bucket if
// bucket < 0, and false.
func (th *TimeHistogram) Count(bucket, subBucket int) (uint64, bool) {
	t := (*timeHistogram)(th)
	if bucket < 0 {
		return t.underflow.Load(), false

// which is used in blocking and mutex profiles.
type blockRecord struct {
	count  float64
	cycles int64
}

var (
	mbuckets atomic.UnsafePointer // *bucket, memory profile buckets
	bbuckets atomic.UnsafePointer // *bucket, blocking profile buckets
	xbuckets atomic.UnsafePointer // *bucket, mutex profile buckets
	buckhash atomic.UnsafePointer // *buckhashArray

	mProfCycle mProfCycleHolder
)