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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);
57 rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role)
59 struct rte_config *cfg = rte_eal_get_configuration();
61 if (lcore_id >= RTE_MAX_LCORE)
64 if (cfg->lcore_role[lcore_id] == role)
70 int eal_cpuset_socket_id(rte_cpuset_t *cpusetp)
73 int socket_id = SOCKET_ID_ANY;
80 if (!CPU_ISSET(cpu, cpusetp))
83 if (socket_id == SOCKET_ID_ANY)
84 socket_id = eal_cpu_socket_id(cpu);
86 sid = eal_cpu_socket_id(cpu);
87 if (socket_id != sid) {
88 socket_id = SOCKET_ID_ANY;
92 } while (++cpu < RTE_MAX_LCORE);
98 rte_thread_set_affinity(rte_cpuset_t *cpusetp)
104 tid = pthread_self();
106 s = pthread_setaffinity_np(tid, sizeof(rte_cpuset_t), cpusetp);
108 RTE_LOG(ERR, EAL, "pthread_setaffinity_np failed\n");
112 /* store socket_id in TLS for quick access */
113 RTE_PER_LCORE(_socket_id) =
114 eal_cpuset_socket_id(cpusetp);
116 /* store cpuset in TLS for quick access */
117 memmove(&RTE_PER_LCORE(_cpuset), cpusetp,
118 sizeof(rte_cpuset_t));
120 lcore_id = rte_lcore_id();
121 if (lcore_id != (unsigned)LCORE_ID_ANY) {
122 /* EAL thread will update lcore_config */
123 lcore_config[lcore_id].socket_id = RTE_PER_LCORE(_socket_id);
124 memmove(&lcore_config[lcore_id].cpuset, cpusetp,
125 sizeof(rte_cpuset_t));
132 rte_thread_get_affinity(rte_cpuset_t *cpusetp)
135 memmove(cpusetp, &RTE_PER_LCORE(_cpuset),
136 sizeof(rte_cpuset_t));
140 eal_thread_dump_affinity(char *str, unsigned size)
145 unsigned int out = 0;
147 rte_thread_get_affinity(&cpuset);
149 for (cpu = 0; cpu < RTE_MAX_LCORE; cpu++) {
150 if (!CPU_ISSET(cpu, &cpuset))
153 ret = snprintf(str + out,
154 size - out, "%u,", cpu);
155 if (ret < 0 || (unsigned)ret >= size - out) {
156 /* string will be truncated */
166 /* remove the last separator */