#include "parse.h"

Functions
long long	get_time ()

int	set_cpufreq_governor (char *governor, unsigned int cpu)

int	set_cpu_affinity (unsigned int cpu)

int	set_process_priority (int priority)

void	prepare_user (const struct config *config)

void	prepare_system (const struct config *config)

Function Documentation

long long get_time ( void )

returns time since epoch in µs

Return values

time

Definition at line 39 of file system.c.

void prepare_system ( const struct config * config )

sets up the cpu affinity and scheduler priority

Parameters

config benchmark config values

Definition at line 164 of file system.c.

void prepare_user ( const struct config * config )

notifies the user that the benchmark may run some time

Parameters

config benchmark config values

Definition at line 138 of file system.c.

int set_cpu_affinity ( unsigned int cpu )

sets cpu affinity for the process

Parameters

cpu	cpu# to which the affinity should be set

Return values

0	on success
-1	when setting the affinity failed

Definition at line 87 of file system.c.

sets the cpufreq governor

Parameters

governor	cpufreq governor name
cpu	cpu for which the governor should be set

Return values

0	on success
-1	when failed

Definition at line 58 of file system.c.

int set_process_priority ( int priority )

sets the process priority parameter

Parameters

priority priority value

Return values

0	on success
-1	when setting the priority failed

Definition at line 114 of file system.c.

Functions