void xclock_gettime(clock_t id, struct timespec *ts) { if (clock_gettime(id, ts) == -1) { /* It seems like a bad idea to try to use vlog here because it is * likely to try to check the current time. */ ovs_abort(errno, "xclock_gettime() failed"); } }
static void dpdk_init__(const struct smap *ovs_other_config) { char **argv = NULL, **argv_to_release = NULL; int result; int argc, argc_tmp; bool auto_determine = true; int err = 0; cpu_set_t cpuset; char *sock_dir_subcomponent; if (process_vhost_flags("vhost-sock-dir", xstrdup(ovs_rundir()), NAME_MAX, ovs_other_config, &sock_dir_subcomponent)) { struct stat s; if (!strstr(sock_dir_subcomponent, "..")) { vhost_sock_dir = xasprintf("%s/%s", ovs_rundir(), sock_dir_subcomponent); err = stat(vhost_sock_dir, &s); if (err) { VLOG_ERR("vhost-user sock directory '%s' does not exist.", vhost_sock_dir); } } else { vhost_sock_dir = xstrdup(ovs_rundir()); VLOG_ERR("vhost-user sock directory request '%s/%s' has invalid" "characters '..' - using %s instead.", ovs_rundir(), sock_dir_subcomponent, ovs_rundir()); } free(sock_dir_subcomponent); } else { vhost_sock_dir = sock_dir_subcomponent; } argv = grow_argv(&argv, 0, 1); argc = 1; argv[0] = xstrdup(ovs_get_program_name()); argc_tmp = get_dpdk_args(ovs_other_config, &argv, argc); while (argc_tmp != argc) { if (!strcmp("-c", argv[argc]) || !strcmp("-l", argv[argc])) { auto_determine = false; break; } argc++; } argc = argc_tmp; /** * NOTE: This is an unsophisticated mechanism for determining the DPDK * lcore for the DPDK Master. */ if (auto_determine) { int i; /* Get the main thread affinity */ CPU_ZERO(&cpuset); err = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset); if (!err) { for (i = 0; i < CPU_SETSIZE; i++) { if (CPU_ISSET(i, &cpuset)) { argv = grow_argv(&argv, argc, 2); argv[argc++] = xstrdup("-c"); argv[argc++] = xasprintf("0x%08llX", (1ULL<<i)); i = CPU_SETSIZE; } } } else { VLOG_ERR("Thread getaffinity error %d. Using core 0x1", err); /* User did not set dpdk-lcore-mask and unable to get current * thread affintity - default to core 0x1 */ argv = grow_argv(&argv, argc, 2); argv[argc++] = xstrdup("-c"); argv[argc++] = xasprintf("0x%X", 1); } } argv = grow_argv(&argv, argc, 1); argv[argc] = NULL; optind = 1; if (VLOG_IS_INFO_ENABLED()) { struct ds eal_args; int opt; ds_init(&eal_args); ds_put_cstr(&eal_args, "EAL ARGS:"); for (opt = 0; opt < argc; ++opt) { ds_put_cstr(&eal_args, " "); ds_put_cstr(&eal_args, argv[opt]); } VLOG_INFO("%s", ds_cstr_ro(&eal_args)); ds_destroy(&eal_args); } argv_to_release = grow_argv(&argv_to_release, 0, argc); for (argc_tmp = 0; argc_tmp < argc; ++argc_tmp) { argv_to_release[argc_tmp] = argv[argc_tmp]; } /* Make sure things are initialized ... */ result = rte_eal_init(argc, argv); if (result < 0) { ovs_abort(result, "Cannot init EAL"); } argv_release(argv, argv_to_release, argc); /* Set the main thread affinity back to pre rte_eal_init() value */ if (auto_determine && !err) { err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset); if (err) { VLOG_ERR("Thread setaffinity error %d", err); } } rte_memzone_dump(stdout); /* We are called from the main thread here */ RTE_PER_LCORE(_lcore_id) = NON_PMD_CORE_ID; #ifdef DPDK_PDUMP VLOG_INFO("DPDK pdump packet capture enabled"); err = rte_pdump_init(ovs_rundir()); if (err) { VLOG_INFO("Error initialising DPDK pdump"); rte_pdump_uninit(); } else { char *server_socket_path; server_socket_path = xasprintf("%s/%s", ovs_rundir(), "pdump_server_socket"); fatal_signal_add_file_to_unlink(server_socket_path); free(server_socket_path); } #endif /* Finally, register the dpdk classes */ netdev_dpdk_register(); }
void out_of_memory(void) { ovs_abort(0, "virtual memory exhausted"); }