rdtsc

Read Time-Stamp Counter

RDTSC

Reads the time-stamp counter into EDX:EAX.

Details

The Read Time-Stamp Counter instruction reads the time-stamp counter into EDX:EAX.

Pseudocode Operation

// Reads the time-stamp counter into EDX:EAX

Example

RDTSC

Encoding

Binary Layout
0F
+0
31
+1
 
Format Legacy
Opcode 0F 31
Extension Base

Operands