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/*
* Copyright © 2009 CNRS
* Copyright © 2009-2011 INRIA. All rights reserved.
* Copyright © 2009-2010 Université Bordeaux 1
* Copyright © 2009-2011 Cisco Systems, Inc. All rights reserved.
* See COPYING in top-level directory.
*/
#include <private/autogen/config.h>
#include <hwloc.h>
#include <private/private.h>
#include <private/misc.h>
#include <private/debug.h>
int
hwloc_get_type_depth (struct hwloc_topology *topology, hwloc_obj_type_t type)
{
return topology->type_depth[type];
}
hwloc_obj_type_t
hwloc_get_depth_type (hwloc_topology_t topology, unsigned depth)
{
if (depth >= topology->nb_levels)
return (hwloc_obj_type_t) -1;
return topology->levels[depth][0]->type;
}
unsigned
hwloc_get_nbobjs_by_depth (struct hwloc_topology *topology, unsigned depth)
{
if (depth >= topology->nb_levels)
return 0;
return topology->level_nbobjects[depth];
}
struct hwloc_obj *
hwloc_get_obj_by_depth (struct hwloc_topology *topology, unsigned depth, unsigned idx)
{
if (depth >= topology->nb_levels)
return NULL;
if (idx >= topology->level_nbobjects[depth])
return NULL;
return topology->levels[depth][idx];
}
unsigned hwloc_get_closest_objs (struct hwloc_topology *topology, struct hwloc_obj *src, struct hwloc_obj **objs, unsigned max)
{
struct hwloc_obj *parent, *nextparent, **src_objs;
int i,src_nbobjects;
unsigned stored = 0;
if (!src->cpuset)
return 0;
src_nbobjects = topology->level_nbobjects[src->depth];
src_objs = topology->levels[src->depth];
parent = src;
while (stored < max) {
while (1) {
nextparent = parent->parent;
if (!nextparent)
goto out;
if (!nextparent->cpuset || !hwloc_bitmap_isequal(parent->cpuset, nextparent->cpuset))
break;
parent = nextparent;
}
if (!nextparent->cpuset)
break;
/* traverse src's objects and find those that are in nextparent and were not in parent */
for(i=0; i<src_nbobjects; i++) {
if (hwloc_bitmap_isincluded(src_objs[i]->cpuset, nextparent->cpuset)
&& !hwloc_bitmap_isincluded(src_objs[i]->cpuset, parent->cpuset)) {
objs[stored++] = src_objs[i];
if (stored == max)
goto out;
}
}
parent = nextparent;
}
out:
return stored;
}
static int
hwloc__get_largest_objs_inside_cpuset (struct hwloc_obj *current, hwloc_const_bitmap_t set,
struct hwloc_obj ***res, int *max)
{
int gotten = 0;
unsigned i;
/* the caller must ensure this */
if (*max <= 0)
return 0;
if (hwloc_bitmap_isequal(current->cpuset, set)) {
**res = current;
(*res)++;
(*max)--;
return 1;
}
for (i=0; i<current->arity; i++) {
hwloc_bitmap_t subset = hwloc_bitmap_dup(set);
int ret;
/* split out the cpuset part corresponding to this child and see if there's anything to do */
if (current->children[i]->cpuset) {
hwloc_bitmap_and(subset, subset, current->children[i]->cpuset);
if (hwloc_bitmap_iszero(subset)) {
hwloc_bitmap_free(subset);
continue;
}
}
ret = hwloc__get_largest_objs_inside_cpuset (current->children[i], subset, res, max);
gotten += ret;
hwloc_bitmap_free(subset);
/* if no more room to store remaining objects, return what we got so far */
if (!*max)
break;
}
return gotten;
}
int
hwloc_get_largest_objs_inside_cpuset (struct hwloc_topology *topology, hwloc_const_bitmap_t set,
struct hwloc_obj **objs, int max)
{
struct hwloc_obj *current = topology->levels[0][0];
if (!current->cpuset || !hwloc_bitmap_isincluded(set, current->cpuset))
return -1;
if (max <= 0)
return 0;
return hwloc__get_largest_objs_inside_cpuset (current, set, &objs, &max);
}
const char *
hwloc_obj_type_string (hwloc_obj_type_t obj)
{
switch (obj)
{
case HWLOC_OBJ_SYSTEM: return "System";
case HWLOC_OBJ_MACHINE: return "Machine";
case HWLOC_OBJ_MISC: return "Misc";
case HWLOC_OBJ_GROUP: return "Group";
case HWLOC_OBJ_NODE: return "NUMANode";
case HWLOC_OBJ_SOCKET: return "Socket";
case HWLOC_OBJ_CACHE: return "Cache";
case HWLOC_OBJ_CORE: return "Core";
case HWLOC_OBJ_PU: return "PU";
default: return "Unknown";
}
}
hwloc_obj_type_t
hwloc_obj_type_of_string (const char * string)
{
if (!strcasecmp(string, "System")) return HWLOC_OBJ_SYSTEM;
if (!strcasecmp(string, "Machine")) return HWLOC_OBJ_MACHINE;
if (!strcasecmp(string, "Misc")) return HWLOC_OBJ_MISC;
if (!strcasecmp(string, "Group")) return HWLOC_OBJ_GROUP;
if (!strcasecmp(string, "NUMANode") || !strcasecmp(string, "Node")) return HWLOC_OBJ_NODE;
if (!strcasecmp(string, "Socket")) return HWLOC_OBJ_SOCKET;
if (!strcasecmp(string, "Cache")) return HWLOC_OBJ_CACHE;
if (!strcasecmp(string, "Core")) return HWLOC_OBJ_CORE;
if (!strcasecmp(string, "PU") || !strcasecmp(string, "proc") /* backward compatiliby with 0.9 */) return HWLOC_OBJ_PU;
return (hwloc_obj_type_t) -1;
}
#define hwloc_memory_size_printf_value(_size, _verbose) \
((_size) < (10ULL<<20) || _verbose ? (((_size)>>9)+1)>>1 : (_size) < (10ULL<<30) ? (((_size)>>19)+1)>>1 : (((_size)>>29)+1)>>1)
#define hwloc_memory_size_printf_unit(_size, _verbose) \
((_size) < (10ULL<<20) || _verbose ? "KB" : (_size) < (10ULL<<30) ? "MB" : "GB")
int
hwloc_obj_type_snprintf(char * __hwloc_restrict string, size_t size, hwloc_obj_t obj, int verbose)
{
hwloc_obj_type_t type = obj->type;
switch (type) {
case HWLOC_OBJ_MISC:
case HWLOC_OBJ_SYSTEM:
case HWLOC_OBJ_MACHINE:
case HWLOC_OBJ_NODE:
case HWLOC_OBJ_SOCKET:
case HWLOC_OBJ_CORE:
case HWLOC_OBJ_PU:
return hwloc_snprintf(string, size, "%s", hwloc_obj_type_string(type));
case HWLOC_OBJ_CACHE:
return hwloc_snprintf(string, size, "L%u%s", obj->attr->cache.depth, verbose ? hwloc_obj_type_string(type): "");
case HWLOC_OBJ_GROUP:
/* TODO: more pretty presentation? */
return hwloc_snprintf(string, size, "%s%u", hwloc_obj_type_string(type), obj->attr->group.depth);
default:
if (size > 0)
*string = '\0';
return 0;
}
}
int
hwloc_obj_attr_snprintf(char * __hwloc_restrict string, size_t size, hwloc_obj_t obj, const char * separator, int verbose)
{
const char *prefix = "";
char *tmp = string;
ssize_t tmplen = size;
int ret = 0;
int res;
/* make sure we output at least an empty string */
if (size)
*string = '\0';
/* print memory attributes */
res = 0;
if (verbose) {
if (obj->memory.local_memory)
res = hwloc_snprintf(tmp, tmplen, "%slocal=%lu%s%stotal=%lu%s",
prefix,
(unsigned long) hwloc_memory_size_printf_value(obj->memory.total_memory, verbose),
hwloc_memory_size_printf_unit(obj->memory.total_memory, verbose),
separator,
(unsigned long) hwloc_memory_size_printf_value(obj->memory.local_memory, verbose),
hwloc_memory_size_printf_unit(obj->memory.local_memory,
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