cpu_utils.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	CPU_SUCCESS   0
#define	CPU_ERROR   -1

Enumerations
enum	CPU_attr_e {   CPU_ATTR__NUM_SOCKETS , CPU_ATTR__NUM_NODES , CPU_ATTR__NUM_CORES , CPU_ATTR__NUM_THREADS ,   CPU_ATTR__VENDOR_ID , CPU_ATTR__CPUID_FAMILY , CPU_ATTR__CPUID_MODEL , CPU_ATTR__CPUID_STEPPING ,   CPU_ATTR__CACHE_MAX_NUM_LEVELS , CPU_ATTR__CACHE_INST_PRESENT , CPU_ATTR__CACHE_DATA_PRESENT , CPU_ATTR__CACHE_UNIF_PRESENT ,   CPU_ATTR__CACHE_INST_TOT_SIZE , CPU_ATTR__CACHE_INST_LINE_SIZE , CPU_ATTR__CACHE_INST_NUM_LINES , CPU_ATTR__CACHE_INST_ASSOCIATIVITY ,   CPU_ATTR__CACHE_DATA_TOT_SIZE , CPU_ATTR__CACHE_DATA_LINE_SIZE , CPU_ATTR__CACHE_DATA_NUM_LINES , CPU_ATTR__CACHE_DATA_ASSOCIATIVITY ,   CPU_ATTR__CACHE_UNIF_TOT_SIZE , CPU_ATTR__CACHE_UNIF_LINE_SIZE , CPU_ATTR__CACHE_UNIF_NUM_LINES , CPU_ATTR__CACHE_UNIF_ASSOCIATIVITY ,   CPU_ATTR__HWTHREAD_NUMA_AFFINITY , CPU_ATTR__NUMA_MEM_SIZE }

Functions
int	cpu_init (void)
int	cpu_finalize (void)
int	cpu_get_vendor (char *vendor)
int	cpu_get_name (char *name)
int	cpu_get_attribute (CPU_attr_e attr, int *value)
int	cpu_get_attribute_at (CPU_attr_e attr, int loc, int *value)
int	cpu_get_cache_info (CPU_attr_e attr, int level, _sysdetect_cache_level_info_t *clevel_ptr, int *value)

Macro Definition Documentation

CPU_ERROR

#define CPU_ERROR   -1

Definition at line 5 of file cpu_utils.h.

CPU_SUCCESS

#define CPU_SUCCESS   0

Definition at line 4 of file cpu_utils.h.

Enumeration Type Documentation

CPU_attr_e

enum CPU_attr_e

Enumerator
CPU_ATTR__NUM_SOCKETS
CPU_ATTR__NUM_NODES
CPU_ATTR__NUM_CORES
CPU_ATTR__NUM_THREADS
CPU_ATTR__VENDOR_ID
CPU_ATTR__CPUID_FAMILY
CPU_ATTR__CPUID_MODEL
CPU_ATTR__CPUID_STEPPING
CPU_ATTR__CACHE_MAX_NUM_LEVELS
CPU_ATTR__CACHE_INST_PRESENT
CPU_ATTR__CACHE_DATA_PRESENT
CPU_ATTR__CACHE_UNIF_PRESENT
CPU_ATTR__CACHE_INST_TOT_SIZE
CPU_ATTR__CACHE_INST_LINE_SIZE
CPU_ATTR__CACHE_INST_NUM_LINES
CPU_ATTR__CACHE_INST_ASSOCIATIVITY
CPU_ATTR__CACHE_DATA_TOT_SIZE
CPU_ATTR__CACHE_DATA_LINE_SIZE
CPU_ATTR__CACHE_DATA_NUM_LINES
CPU_ATTR__CACHE_DATA_ASSOCIATIVITY
CPU_ATTR__CACHE_UNIF_TOT_SIZE
CPU_ATTR__CACHE_UNIF_LINE_SIZE
CPU_ATTR__CACHE_UNIF_NUM_LINES
CPU_ATTR__CACHE_UNIF_ASSOCIATIVITY
CPU_ATTR__HWTHREAD_NUMA_AFFINITY
CPU_ATTR__NUMA_MEM_SIZE

Definition at line 7 of file cpu_utils.h.

             {
    CPU_ATTR__NUM_SOCKETS,
    CPU_ATTR__NUM_NODES,
    CPU_ATTR__NUM_CORES,
    CPU_ATTR__NUM_THREADS,
    CPU_ATTR__VENDOR_ID,
    CPU_ATTR__CPUID_FAMILY,
    CPU_ATTR__CPUID_MODEL,
    CPU_ATTR__CPUID_STEPPING,
    /* Cache Attributes */
    CPU_ATTR__CACHE_MAX_NUM_LEVELS,
    CPU_ATTR__CACHE_INST_PRESENT,
    CPU_ATTR__CACHE_DATA_PRESENT,
    CPU_ATTR__CACHE_UNIF_PRESENT,
    CPU_ATTR__CACHE_INST_TOT_SIZE,
    CPU_ATTR__CACHE_INST_LINE_SIZE,
    CPU_ATTR__CACHE_INST_NUM_LINES,
    CPU_ATTR__CACHE_INST_ASSOCIATIVITY,
    CPU_ATTR__CACHE_DATA_TOT_SIZE,
    CPU_ATTR__CACHE_DATA_LINE_SIZE,
    CPU_ATTR__CACHE_DATA_NUM_LINES,
    CPU_ATTR__CACHE_DATA_ASSOCIATIVITY,
    CPU_ATTR__CACHE_UNIF_TOT_SIZE,
    CPU_ATTR__CACHE_UNIF_LINE_SIZE,
    CPU_ATTR__CACHE_UNIF_NUM_LINES,
    CPU_ATTR__CACHE_UNIF_ASSOCIATIVITY,
    /* Hardware Thread Affinity Attributes */
    CPU_ATTR__HWTHREAD_NUMA_AFFINITY,
    /* Memory Attributes */
    CPU_ATTR__NUMA_MEM_SIZE,
} CPU_attr_e;

Function Documentation

cpu_finalize()

int cpu_finalize

(

void

)

cpu_get_attribute()

int cpu_get_attribute	(	CPU_attr_e	attr,
		int *	value
	)

Definition at line 55 of file cpu_utils.c.

{
#if defined(__x86_64__) || defined(__amd64__)
    return x86_cpu_get_attribute(attr, value);
#elif defined(__powerpc__)
    return powerpc_cpu_get_attribute(attr, value);
#elif defined(__arm__) || defined(__aarch64__)
    return arm_cpu_get_attribute(attr, value);
#endif
    return os_cpu_get_attribute(attr, value);
}

Here is the call graph for this function:

Here is the caller graph for this function:

cpu_get_attribute_at()

int cpu_get_attribute_at	(	CPU_attr_e	attr,
		int	loc,
		int *	value
	)

Definition at line 68 of file cpu_utils.c.

{
#if defined(__x86_64__) || defined(__amd64__)
    return x86_cpu_get_attribute_at(attr, loc, value);
#elif defined(__powerpc__)
    return powerpc_cpu_get_attribute_at(attr, loc, value);
#elif defined(__arm__) || defined(__aarch64__)
    return arm_cpu_get_attribute_at(attr, loc, value);
#endif
    return os_cpu_get_attribute_at(attr, loc, value);
}

Here is the call graph for this function:

Here is the caller graph for this function:

cpu_get_cache_info()

int cpu_get_cache_info	(	CPU_attr_e	attr,
		int	level,
		_sysdetect_cache_level_info_t *	clevel_ptr,
		int *	value
	)

Definition at line 94 of file cpu_utils.c.

{
    int status = CPU_SUCCESS;
    int i;
 
    *value = 0;
 
    if (level >= PAPI_MAX_MEM_HIERARCHY_LEVELS)
        return CPU_ERROR;
 
    switch(attr) {
        case CPU_ATTR__CACHE_INST_PRESENT:
            if (get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_INST)) {
                *value = 1;
            }
            break;
        case CPU_ATTR__CACHE_DATA_PRESENT:
            if (get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_DATA)) {
                *value = 1;
            }
            break;
        case CPU_ATTR__CACHE_UNIF_PRESENT:
            if (get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_UNIFIED)) {
                *value = 1;
            }
            break;
        case CPU_ATTR__CACHE_INST_TOT_SIZE:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_INST))) {
                *value = clevel_ptr[level-1].cache[i-1].size;
            }
            break;
        case CPU_ATTR__CACHE_INST_LINE_SIZE:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_INST))) {
                *value = clevel_ptr[level-1].cache[i-1].line_size;
            }
            break;
        case CPU_ATTR__CACHE_INST_NUM_LINES:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_INST))) {
                *value = clevel_ptr[level-1].cache[i-1].num_lines;
            }
            break;
        case CPU_ATTR__CACHE_INST_ASSOCIATIVITY:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_INST))) {
                *value = clevel_ptr[level-1].cache[i-1].associativity;
            }
            break;
        case CPU_ATTR__CACHE_DATA_TOT_SIZE:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_DATA))) {
                *value = clevel_ptr[level-1].cache[i-1].size;
            }
            break;
        case CPU_ATTR__CACHE_DATA_LINE_SIZE:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_DATA))) {
                *value = clevel_ptr[level-1].cache[i-1].line_size;
            }
            break;
        case CPU_ATTR__CACHE_DATA_NUM_LINES:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_DATA))) {
                *value = clevel_ptr[level-1].cache[i-1].num_lines;
            }
            break;
        case CPU_ATTR__CACHE_DATA_ASSOCIATIVITY:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_DATA))) {
                *value = clevel_ptr[level-1].cache[i-1].associativity;
            }
            break;
        case CPU_ATTR__CACHE_UNIF_TOT_SIZE:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_UNIFIED))) {
                *value = clevel_ptr[level-1].cache[i-1].size;
            }
            break;
        case CPU_ATTR__CACHE_UNIF_LINE_SIZE:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_UNIFIED))) {
                *value = clevel_ptr[level-1].cache[i-1].line_size;
            }
            break;
        case CPU_ATTR__CACHE_UNIF_NUM_LINES:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_UNIFIED))) {
                *value = clevel_ptr[level-1].cache[i-1].num_lines;
            }
            break;
        case CPU_ATTR__CACHE_UNIF_ASSOCIATIVITY:
            if ((i = get_cache_level(&clevel_ptr[level-1], PAPI_MH_TYPE_UNIFIED))) {
                *value = clevel_ptr[level-1].cache[i-1].associativity;
            }
            break;
        default:
            status = CPU_ERROR;
    }
 
    return status;
}

Here is the call graph for this function:

Here is the caller graph for this function:

cpu_get_name()

int cpu_get_name

(

char *

name

)

Definition at line 42 of file cpu_utils.c.

{
#if defined(__x86_64__) || defined(__amd64__)
    return x86_cpu_get_name(name);
#elif defined(__powerpc__)
    return powerpc_cpu_get_name(name);
#elif defined(__arm__) || defined(__aarch64__)
    return arm_cpu_get_name(name);
#endif
    return os_cpu_get_name(name);
}

Here is the call graph for this function:

Here is the caller graph for this function:

cpu_get_vendor()

int cpu_get_vendor

(

char *

vendor

)

Definition at line 29 of file cpu_utils.c.

{
#if defined(__x86_64__) || defined(__amd64__)
    return x86_cpu_get_vendor(vendor);
#elif defined(__powerpc__)
    return powerpc_cpu_get_vendor(vendor);
#elif defined(__arm__) || defined(__aarch64__)
    return arm_cpu_get_vendor(vendor);
#endif
    return os_cpu_get_vendor(vendor);
}

Here is the call graph for this function:

Here is the caller graph for this function:

cpu_init()

int cpu_init

(

void

)