Exemplos de rte_thread_get_affinity em C++ (Cpp)

Exemplo n.º 1

Arquivo: eal_common_thread.c Projeto: garogers01/my_switch_work

int
eal_thread_dump_affinity(char *str, unsigned size)
{
	rte_cpuset_t cpuset;
	unsigned cpu;
	int ret;
	unsigned int out = 0;

	rte_thread_get_affinity(&cpuset);

	for (cpu = 0; cpu < RTE_MAX_LCORE; cpu++) {
		if (!CPU_ISSET(cpu, &cpuset))
			continue;

		ret = snprintf(str + out,
			       size - out, "%u,", cpu);
		if (ret < 0 || (unsigned)ret >= size - out) {
			/* string will be truncated */
			ret = -1;
			goto exit;
		}

		out += ret;
	}

	ret = 0;
exit:
	/* remove the last separator */
	if (out > 0)
		str[out - 1] = '\0';

	return ret;
}

Exemplo n.º 2

Arquivo: env.c Projeto: spdk/spdk

void *
spdk_call_unaffinitized(void *cb(void *arg), void *arg)
{
	rte_cpuset_t orig_cpuset, new_cpuset;
	void *ret;
	long num_cores, i;

	if (cb == NULL) {
		return NULL;
	}

	rte_thread_get_affinity(&orig_cpuset);

	CPU_ZERO(&new_cpuset);

	num_cores = sysconf(_SC_NPROCESSORS_CONF);

	/* Create a mask containing all CPUs */
	for (i = 0; i < num_cores; i++) {
		CPU_SET(i, &new_cpuset);
	}

	rte_thread_set_affinity(&new_cpuset);

	ret = cb(arg);

	rte_thread_set_affinity(&orig_cpuset);

	return ret;
}