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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L184: 	PERF_EVENT_IOC_PERIOD            = 0x40082404

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)