Hardware Locality (hwloc)
1.7.2
|
Functions | |
int | hwloc_linux_parse_cpumap_file (FILE *file, hwloc_cpuset_t set) |
int | hwloc_linux_set_tid_cpubind (hwloc_topology_t topology, pid_t tid, hwloc_const_cpuset_t set) |
int | hwloc_linux_get_tid_cpubind (hwloc_topology_t topology, pid_t tid, hwloc_cpuset_t set) |
This includes helpers for manipulating linux kernel cpumap files, and hwloc equivalents of the Linux sched_setaffinity and sched_getaffinity system calls.
int hwloc_linux_get_tid_cpubind | ( | hwloc_topology_t | topology, |
pid_t | tid, | ||
hwloc_cpuset_t | set | ||
) |
Get the current binding of thread tid
.
The behavior is exactly the same as the Linux sched_getaffinity system call, but uses a hwloc cpuset.
int hwloc_linux_parse_cpumap_file | ( | FILE * | file, |
hwloc_cpuset_t | set | ||
) |
Convert a linux kernel cpumap file file
into hwloc CPU set.
Might be used when reading CPU set from sysfs attributes such as topology and caches for processors, or local_cpus for devices.
int hwloc_linux_set_tid_cpubind | ( | hwloc_topology_t | topology, |
pid_t | tid, | ||
hwloc_const_cpuset_t | set | ||
) |
Bind a thread tid
on cpus given in cpuset set
.
The behavior is exactly the same as the Linux sched_setaffinity system call, but uses a hwloc cpuset.