const golang.org/x/sys/unix.PerfBitExcludeCallchainUser

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L1114: 	PerfBitExcludeCallchainUser          = CBitFieldMaskBit22

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)