17 #include "hwloc/autogen/config.h"    18 #include "hwloc/helper.h"    19 #ifdef HWLOC_LINUX_SYS    20 #include "hwloc/linux.h"    55 static __hwloc_inline 
int    59 #ifdef HWLOC_LINUX_SYS    61 #define HWLOC_NVML_DEVICE_SYSFS_PATH_MAX 128    62   char path[HWLOC_NVML_DEVICE_SYSFS_PATH_MAX];
    71   nvres = nvmlDeviceGetPciInfo(device, &pci);
    72   if (NVML_SUCCESS != nvres) {
    77   sprintf(path, 
"/sys/bus/pci/devices/%04x:%02x:%02x.0/local_cpus", pci.domain, pci.bus, pci.device);
   108                     && !strncmp(
"nvml", osdev->
name, 4)
   109                     && atoi(osdev->
name + 4) == (
int) idx)
   141         nvres = nvmlDeviceGetPciInfo(device, &pci);
   142         if (NVML_SUCCESS != nvres)
   145         nvres = nvmlDeviceGetUUID(device, uuid, 
sizeof(uuid));
   146         if (NVML_SUCCESS != nvres)
   154                 if (strncmp(osdev->
name, 
"nvml", 4))
   166                 if (info && !strcmp(info, uuid))
 struct hwloc_obj * parent
Parent, NULL if root (Machine object) 
Definition: hwloc.h:431
unsigned char func
Definition: hwloc.h:618
struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev
static hwloc_obj_t hwloc_nvml_get_device_osdev(hwloc_topology_t topology, nvmlDevice_t device)
Get the hwloc OS device object corresponding to NVML device device. 
Definition: nvml.h:129
int hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src)
Copy the contents of bitmap src into the already allocated bitmap dst. 
unsigned char dev
Definition: hwloc.h:618
Structure of a topology object. 
Definition: hwloc.h:381
int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)
Does the topology context come from this system? 
static hwloc_obj_t hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)
Get the next OS device in the system. 
Definition: helper.h:1129
struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev
static const char * hwloc_obj_get_info_by_name(hwloc_obj_t obj, const char *name)
Search the given key name in object infos and return the corresponding value. 
static hwloc_obj_t hwloc_nvml_get_device_osdev_by_index(hwloc_topology_t topology, unsigned idx)
Get the hwloc OS device object corresponding to the NVML device whose index is idx. 
Definition: nvml.h:102
PCI device (filtered out by default). They are not added to the topology unless I/O discovery is enab...
Definition: hwloc.h:262
char * name
Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...
Definition: hwloc.h:393
int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set)
Convert a linux kernel cpumask file path into a hwloc bitmap set. 
struct hwloc_topology * hwloc_topology_t
Topology context. 
Definition: hwloc.h:667
hwloc_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes. 
Definition: hwloc.h:140
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found. 
Definition: hwloc.h:400
unsigned short domain
Definition: hwloc.h:617
static int hwloc_nvml_get_device_cpuset(hwloc_topology_t topology, nvmlDevice_t device, hwloc_cpuset_t set)
Get the CPU set of logical processors that are physically close to NVML device device. 
Definition: nvml.h:56
unsigned char bus
Definition: hwloc.h:618
hwloc_obj_type_t type
Type of object. 
Definition: hwloc.h:383
Operating system GPU device. For instance ":0.0" for a GL display, "card0" for a Linux DRM device...
Definition: hwloc.h:326
hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set. 
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty. 
hwloc_obj_osdev_type_t type
Definition: hwloc.h:641