beostat_get_cpu_count

Name

beostat_get_cpu_count -- return the number of processors on the specified node

Synopsis

#include <sys/beostat.h>

int beostat_get_cpu_count (int node, size_t *ncpus);

Arguments

node

The node to query

ncpus

A pointer to a size_t which will contain the number of CPU on node node upon successful completion

Description

beostat_get_cpu_count will get the number of CPUs on a given node.

Return Value

Return 0 on success. If an error occurs it will return -1.

Errors

This function relies on the Beostat subsystem, which consists of the proc filesystem on the remote node, the sendstatsdaemon on the remote node, the recvstats daemon on the master node, and two shared memory files in the directory /var/shm. If any part of the system breaks down, this function could fail.