perfmon.c File Reference

IA32 performance monitoring. More...

Functions
errval_t	perfmon_setup (dispatcher_handle_t handle, perfmon_counter_t counter, perfmon_event_t evt, perfmon_mask_t umask, bool kernel)
	Setup use of performance counter. More...

Detailed Description

IA32 performance monitoring.

Function Documentation

errval_t perfmon_setup	(	dispatcher_handle_t	handle,
		perfmon_counter_t	counter,
		perfmon_event_t	evt,
		perfmon_mask_t	umask,
		bool	kernel
	)

Setup use of performance counter.

Parameters

handle	The handle to the dispatcher
counter	Which counter to use.
evt	The event to use
umask	The mask on the event
kernel	Is it kernel or user readable

Currently this only works for AMD machines and it has 4 counters (0-3).