RDTSC

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf CPU instruction
gptkbp:affects out-of-order execution
CPU frequency changes
gptkbp:architecture x86
x86-64
gptkbp:availableOn most modern Intel and AMD processors
gptkbp:category timing instruction
https://www.w3.org/2000/01/rdf-schema#label RDTSC
gptkbp:introducedIn gptkb:Intel_Pentium
1993
gptkbp:opcode 0F 31
gptkbp:relatedIndex gptkb:RDTSCP
gptkbp:result timestamp counter value
gptkbp:serializingInstruction no
gptkbp:serializingInstructionWith gptkb:CPUID
gptkbp:set EDX:EAX registers
gptkbp:standsFor Read Time-Stamp Counter
gptkbp:usedFor high-resolution timing
gptkbp:bfsParent gptkb:x86_family
gptkb:RDTSCP
gptkbp:bfsLayer 8