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43 #include <rte_lcore.h>
44 #include <rte_memory.h>
47 #include "eal_thread.h"
49 int eal_cpuset_socket_id(rte_cpuset_t *cpusetp)
52 int socket_id = SOCKET_ID_ANY;
59 if (!CPU_ISSET(cpu, cpusetp))
62 if (socket_id == SOCKET_ID_ANY)
63 socket_id = eal_cpu_socket_id(cpu);
65 sid = eal_cpu_socket_id(cpu);
66 if (socket_id != sid) {
67 socket_id = SOCKET_ID_ANY;
71 } while (++cpu < RTE_MAX_LCORE);
77 rte_thread_set_affinity(rte_cpuset_t *cpusetp)
85 s = pthread_setaffinity_np(tid, sizeof(rte_cpuset_t), cpusetp);
87 RTE_LOG(ERR, EAL, "pthread_setaffinity_np failed\n");
91 /* store socket_id in TLS for quick access */
92 RTE_PER_LCORE(_socket_id) =
93 eal_cpuset_socket_id(cpusetp);
95 /* store cpuset in TLS for quick access */
96 memmove(&RTE_PER_LCORE(_cpuset), cpusetp,
97 sizeof(rte_cpuset_t));
99 lcore_id = rte_lcore_id();
100 if (lcore_id != (unsigned)LCORE_ID_ANY) {
101 /* EAL thread will update lcore_config */
102 lcore_config[lcore_id].socket_id = RTE_PER_LCORE(_socket_id);
103 memmove(&lcore_config[lcore_id].cpuset, cpusetp,
104 sizeof(rte_cpuset_t));
111 rte_thread_get_affinity(rte_cpuset_t *cpusetp)
114 memmove(cpusetp, &RTE_PER_LCORE(_cpuset),
115 sizeof(rte_cpuset_t));
119 eal_thread_dump_affinity(char *str, unsigned size)
124 unsigned int out = 0;
126 rte_thread_get_affinity(&cpuset);
128 for (cpu = 0; cpu < RTE_MAX_LCORE; cpu++) {
129 if (!CPU_ISSET(cpu, &cpuset))
132 ret = snprintf(str + out,
133 size - out, "%u,", cpu);
134 if (ret < 0 || (unsigned)ret >= size - out) {
135 /* string will be truncated */
145 /* remove the last separator */