CPU mapping tool

Macros
#define	CUSTOM_CPU_MAPPING   "cpu-mapping.txt"

Functions
int	get_cpu_id (int thread_id)
int	get_numa_id (int mytid)
int	get_num_numa_regions (void)
int	get_numa_node_of_address (void *ptr)

Detailed Description

Macro Definition Documentation

CUSTOM_CPU_MAPPING

#define CUSTOM_CPU_MAPPING   "cpu-mapping.txt"

if the custom cpu mapping file exists, logical to physical mappings are initialized from that file, otherwise it will be round-robin

Definition at line 24 of file cpu_mapping.h.

Function Documentation

get_cpu_id()

int get_cpu_id

(

int

thread_id

)

Returns SMT aware logical to physical CPU mapping for a given thread id.

Definition at line 78 of file cpu_mapping.c.

get_num_numa_regions()

int get_num_numa_regions

(

void

)

Returns number of NUMA regions.

Returns

Definition at line 124 of file cpu_mapping.c.

get_numa_id()

int get_numa_id

(

int

mytid

)

Returns the NUMA id of the given thread id returned from get_cpu_id(int)

Parameters

mytid

Returns

Definition at line 105 of file cpu_mapping.c.

get_numa_node_of_address()

int get_numa_node_of_address

(

void *

ptr

)

Returns the NUMA-node id of a given memory address

Definition at line 135 of file cpu_mapping.c.