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35 #include <rte_common.h>
36 #include <rte_cycles.h>
37 #include <rte_lcore.h>
39 #include <rte_keepalive.h>
40 #include <rte_malloc.h>
43 print_trace(const char *msg, struct rte_keepalive *keepcfg, int idx_core)
45 RTE_LOG(INFO, EAL, "%sLast seen %" PRId64 "ms ago.\n",
47 ((rte_rdtsc() - keepcfg->last_alive[idx_core])*1000)
54 rte_keepalive_dispatch_pings(__rte_unused void *ptr_timer,
57 struct rte_keepalive *keepcfg = ptr_data;
60 for (idx_core = 0; idx_core < RTE_KEEPALIVE_MAXCORES; idx_core++) {
61 if (keepcfg->active_cores[idx_core] == 0)
64 switch (keepcfg->state_flags[idx_core]) {
65 case ALIVE: /* Alive */
66 keepcfg->state_flags[idx_core] = MISSING;
67 keepcfg->last_alive[idx_core] = rte_rdtsc();
69 case MISSING: /* MIA */
70 print_trace("Core MIA. ", keepcfg, idx_core);
71 keepcfg->state_flags[idx_core] = DEAD;
74 keepcfg->state_flags[idx_core] = GONE;
75 print_trace("Core died. ", keepcfg, idx_core);
76 if (keepcfg->callback)
78 keepcfg->callback_data,
82 case GONE: /* Buried */
89 struct rte_keepalive *
90 rte_keepalive_create(rte_keepalive_failure_callback_t callback,
93 struct rte_keepalive *keepcfg;
95 keepcfg = rte_zmalloc("RTE_EAL_KEEPALIVE",
96 sizeof(struct rte_keepalive),
98 if (keepcfg != NULL) {
99 keepcfg->callback = callback;
100 keepcfg->callback_data = data;
101 keepcfg->tsc_initial = rte_rdtsc();
102 keepcfg->tsc_mhz = rte_get_tsc_hz() / 1000;
109 rte_keepalive_register_core(struct rte_keepalive *keepcfg, const int id_core)
111 if (id_core < RTE_KEEPALIVE_MAXCORES)
112 keepcfg->active_cores[id_core] = 1;