rdpmc

Read Performance-Monitoring Counters

RDPMC

Reads performance counter specified by ECX into EDX:EAX.

Details

The Read Performance-Monitoring Counters instruction reads performance counter specified by ECX into EDX:EAX.

Pseudocode Operation

// Reads performance counter specified by ECX into EDX:EAX

Example

RDPMC

Encoding

Binary Layout
0F
+0
33
+1
 
Format System
Opcode 0F 33
Extension System

Operands