X86_RDTSCP_ID

#define X86_RDTSCP_ID   0x0000000800000000llu

A bit mask used to request support of the Intel RDTSCP instruction.

The mask is mapped to the following Intel x86 and x86-64 CPUID flag: CPUID.(EAX=80000001H):EDX.RDTSCP[bit 27].

See also

x86_cpuid_test_feature;
get_x86_cpu_info.