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43 #include <rte_lcore.h>
44 #include <rte_memory.h>
47 #include "eal_thread.h"
49 RTE_DECLARE_PER_LCORE(unsigned , _socket_id);
51 unsigned rte_socket_id(void)
53 return RTE_PER_LCORE(_socket_id);
56 int eal_cpuset_socket_id(rte_cpuset_t *cpusetp)
59 int socket_id = SOCKET_ID_ANY;
66 if (!CPU_ISSET(cpu, cpusetp))
69 if (socket_id == SOCKET_ID_ANY)
70 socket_id = eal_cpu_socket_id(cpu);
72 sid = eal_cpu_socket_id(cpu);
73 if (socket_id != sid) {
74 socket_id = SOCKET_ID_ANY;
78 } while (++cpu < RTE_MAX_LCORE);
84 rte_thread_set_affinity(rte_cpuset_t *cpusetp)
92 s = pthread_setaffinity_np(tid, sizeof(rte_cpuset_t), cpusetp);
94 RTE_LOG(ERR, EAL, "pthread_setaffinity_np failed\n");
98 /* store socket_id in TLS for quick access */
99 RTE_PER_LCORE(_socket_id) =
100 eal_cpuset_socket_id(cpusetp);
102 /* store cpuset in TLS for quick access */
103 memmove(&RTE_PER_LCORE(_cpuset), cpusetp,
104 sizeof(rte_cpuset_t));
106 lcore_id = rte_lcore_id();
107 if (lcore_id != (unsigned)LCORE_ID_ANY) {
108 /* EAL thread will update lcore_config */
109 lcore_config[lcore_id].socket_id = RTE_PER_LCORE(_socket_id);
110 memmove(&lcore_config[lcore_id].cpuset, cpusetp,
111 sizeof(rte_cpuset_t));
118 rte_thread_get_affinity(rte_cpuset_t *cpusetp)
121 memmove(cpusetp, &RTE_PER_LCORE(_cpuset),
122 sizeof(rte_cpuset_t));
126 eal_thread_dump_affinity(char *str, unsigned size)
131 unsigned int out = 0;
133 rte_thread_get_affinity(&cpuset);
135 for (cpu = 0; cpu < RTE_MAX_LCORE; cpu++) {
136 if (!CPU_ISSET(cpu, &cpuset))
139 ret = snprintf(str + out,
140 size - out, "%u,", cpu);
141 if (ret < 0 || (unsigned)ret >= size - out) {
142 /* string will be truncated */
152 /* remove the last separator */