profile

type FDArgs struct {
	// BlockFD is the file descriptor to write a block profile to.
	// Valid if >=0.
	BlockFD int
	// CPUFD is the file descriptor to write a CPU profile to.
	// Valid if >=0.
	CPUFD int
	// HeapFD is the file descriptor to write a heap profile to.
	// Valid if >=0.
	HeapFD int
	// MutexFD is the file descriptor to write a mutex profile to.
	// Valid if >=0.
	MutexFD int
	// TraceFD is the file descriptor to write a Go execution trace to.
	// Valid if >=0.
	TraceFD int
}

type Kind int

type Opts struct {
	// FDs is a map of profile Kind to FD.
	FDs map[Kind]uintptr

	// GCInterval is the interval at which to force a garbage collection cycle.
	// If zero, GC happens per the Go runtime's default behavior.
	GCInterval time.Duration
}