Data Structures |
struct | hwloc_obj |
| Structure of a topology object. More...
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union | hwloc_obj_attr_u |
| Object type-specific Attributes. More...
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struct | hwloc_obj_attr_u::hwloc_cache_attr_s |
| Cache-specific Object Attributes. More...
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struct | hwloc_obj_attr_u::hwloc_memory_attr_s |
| Node-specific Object Attributes. More...
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struct | hwloc_obj_attr_u::hwloc_machine_attr_s |
| Machine-specific Object Attributes. More...
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struct | hwloc_obj_attr_u::hwloc_misc_attr_s |
| Misc-specific Object Attributes. More...
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Defines |
#define | HWLOC_TYPE_UNORDERED INT_MAX |
| Value returned by hwloc_compare_types when types can not be compared.
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#define | HWLOC_TYPE_DEPTH_UNKNOWN -1 |
| No object of given type exists in the topology.
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#define | HWLOC_TYPE_DEPTH_MULTIPLE -2 |
| Objects of given type exist at different depth in the topology.
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Typedefs |
typedef struct hwloc_topology * | hwloc_topology_t |
| Topology context.
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typedef struct hwloc_obj * | hwloc_obj_t |
Enumerations |
enum | hwloc_obj_type_t {
HWLOC_OBJ_SYSTEM,
HWLOC_OBJ_MACHINE,
HWLOC_OBJ_NODE,
HWLOC_OBJ_SOCKET,
HWLOC_OBJ_CACHE,
HWLOC_OBJ_CORE,
HWLOC_OBJ_PROC,
HWLOC_OBJ_MISC
} |
| Type of topology object.
More...
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enum | hwloc_topology_flags_e { HWLOC_TOPOLOGY_FLAG_WHOLE_SYSTEM = (1<<0),
HWLOC_TOPOLOGY_FLAG_IS_THISSYSTEM = (1<<1)
} |
| Flags to be set onto a topology context before load.
More...
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enum | hwloc_cpubind_policy_t { HWLOC_CPUBIND_PROCESS = (1<<0),
HWLOC_CPUBIND_THREAD = (1<<1),
HWLOC_CPUBIND_STRICT = (1<<2)
} |
| Process/Thread binding policy.
More...
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Functions |
int | hwloc_compare_types (hwloc_obj_type_t type1, hwloc_obj_type_t type2) |
| Compare the depth of two object types.
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int | hwloc_topology_init (hwloc_topology_t *topologyp) |
| Allocate a topology context.
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int | hwloc_topology_load (hwloc_topology_t topology) |
| Build the actual topology.
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void | hwloc_topology_destroy (hwloc_topology_t topology) |
| Terminate and free a topology context.
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void | hwloc_topology_check (hwloc_topology_t topology) |
| Run internal checks on a topology structure.
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int | hwloc_topology_ignore_type (hwloc_topology_t topology, hwloc_obj_type_t type) |
| Ignore an object type.
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int | hwloc_topology_ignore_type_keep_structure (hwloc_topology_t topology, hwloc_obj_type_t type) |
| Ignore an object type if it does not bring any structure.
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int | hwloc_topology_ignore_all_keep_structure (hwloc_topology_t topology) |
| Ignore all objects that do not bring any structure.
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int | hwloc_topology_set_flags (hwloc_topology_t topology, unsigned long flags) |
| Set OR'ed flags to non-yet-loaded topology.
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int | hwloc_topology_set_fsroot (hwloc_topology_t restrict topology, const char *restrict fsroot_path) |
| Change the file-system root path when building the topology from sysfs/procfs.
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int | hwloc_topology_set_synthetic (hwloc_topology_t restrict topology, const char *restrict description) |
| Enable synthetic topology.
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int | hwloc_topology_set_xml (hwloc_topology_t restrict topology, const char *restrict xmlpath) |
| Enable XML-file based topology.
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unsigned | hwloc_topology_get_depth (hwloc_topology_t restrict topology) |
| Get the depth of the hierachical tree of objects.
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int | hwloc_get_type_depth (hwloc_topology_t topology, hwloc_obj_type_t type) |
| Returns the depth of objects of type type .
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hwloc_obj_type_t | hwloc_get_depth_type (hwloc_topology_t topology, unsigned depth) |
| Returns the type of objects at depth depth .
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unsigned | hwloc_get_nbobjs_by_depth (hwloc_topology_t topology, unsigned depth) |
| Returns the width of level at depth depth .
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static inline int | hwloc_get_nbobjs_by_type (hwloc_topology_t topology, hwloc_obj_type_t type) |
| Returns the width of level type type .
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int | hwloc_topology_is_thissystem (hwloc_topology_t restrict topology) |
| Does the topology context come from this system?
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hwloc_obj_t | hwloc_get_obj_by_depth (hwloc_topology_t topology, unsigned depth, unsigned idx) |
| Returns the topology object at index index from depth depth .
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static inline hwloc_obj_t | hwloc_get_obj_by_type (hwloc_topology_t topology, hwloc_obj_type_t type, unsigned idx) |
| Returns the topology object at index index with type type .
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const char * | hwloc_obj_type_string (hwloc_obj_type_t type) |
| Return a stringified topology object type.
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hwloc_obj_type_t | hwloc_obj_type_of_string (const char *string) |
| Return an object type from the string.
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int | hwloc_obj_snprintf (char *restrict string, size_t size, hwloc_topology_t topology, hwloc_obj_t obj, const char *restrict indexprefix, int verbose) |
| Stringify a given topology object into a human-readable form.
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int | hwloc_obj_cpuset_snprintf (char *restrict str, size_t size, size_t nobj, const hwloc_obj_t *restrict objs) |
| Stringify the cpuset containing a set of objects.
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int | hwloc_set_cpubind (hwloc_topology_t topology, const hwloc_cpuset_t set, int policy) |
| Bind current process or thread on cpus given in cpuset set .
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int | hwloc_set_proc_cpubind (hwloc_topology_t topology, hwloc_pid_t pid, const hwloc_cpuset_t set, int policy) |
| Bind a process pid on cpus given in cpuset set .
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The hwloc API.