HWCAP_EVTSTRM      30 arch/arm/include/uapi/asm/hwcap.h #define HWCAP_EVTSTRM	(1 << 21)
HWCAP_EVTSTRM      25 arch/arm64/include/uapi/asm/hwcap.h #define HWCAP_EVTSTRM		(1 << 2)