1 /* 2 * BSD LICENSE 3 * 4 * Copyright (C) Cavium, Inc 2017. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the name of Cavium, Inc nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <stdio.h> 34 #include <string.h> 35 #include <inttypes.h> 36 #include <getopt.h> 37 38 #include <rte_common.h> 39 #include <rte_eventdev.h> 40 #include <rte_lcore.h> 41 42 #include "evt_options.h" 43 #include "evt_test.h" 44 #include "parser.h" 45 46 void 47 evt_options_default(struct evt_options *opt) 48 { 49 memset(opt, 0, sizeof(*opt)); 50 opt->verbose_level = 1; /* Enable minimal prints */ 51 opt->dev_id = 0; 52 strncpy(opt->test_name, "order_queue", EVT_TEST_NAME_MAX_LEN); 53 opt->nb_flows = 1024; 54 opt->socket_id = SOCKET_ID_ANY; 55 opt->pool_sz = 16 * 1024; 56 opt->wkr_deq_dep = 16; 57 opt->nb_pkts = (1ULL << 26); /* do ~64M packets */ 58 } 59 60 typedef int (*option_parser_t)(struct evt_options *opt, 61 const char *arg); 62 63 struct long_opt_parser { 64 const char *lgopt_name; 65 option_parser_t parser_fn; 66 }; 67 68 static int 69 evt_parse_nb_flows(struct evt_options *opt, const char *arg) 70 { 71 int ret; 72 73 ret = parser_read_uint32(&(opt->nb_flows), arg); 74 75 return ret; 76 } 77 78 static int 79 evt_parse_dev_id(struct evt_options *opt, const char *arg) 80 { 81 int ret; 82 83 ret = parser_read_uint8(&(opt->dev_id), arg); 84 85 return ret; 86 } 87 88 static int 89 evt_parse_verbose(struct evt_options *opt, const char *arg __rte_unused) 90 { 91 opt->verbose_level = atoi(arg); 92 return 0; 93 } 94 95 static int 96 evt_parse_fwd_latency(struct evt_options *opt, const char *arg __rte_unused) 97 { 98 opt->fwd_latency = 1; 99 return 0; 100 } 101 102 static int 103 evt_parse_queue_priority(struct evt_options *opt, const char *arg __rte_unused) 104 { 105 opt->q_priority = 1; 106 return 0; 107 } 108 109 static int 110 evt_parse_test_name(struct evt_options *opt, const char *arg) 111 { 112 snprintf(opt->test_name, EVT_TEST_NAME_MAX_LEN, "%s", arg); 113 return 0; 114 } 115 116 static int 117 evt_parse_socket_id(struct evt_options *opt, const char *arg) 118 { 119 opt->socket_id = atoi(arg); 120 return 0; 121 } 122 123 static int 124 evt_parse_wkr_deq_dep(struct evt_options *opt, const char *arg) 125 { 126 int ret; 127 128 ret = parser_read_uint16(&(opt->wkr_deq_dep), arg); 129 return ret; 130 } 131 132 static int 133 evt_parse_nb_pkts(struct evt_options *opt, const char *arg) 134 { 135 int ret; 136 137 ret = parser_read_uint64(&(opt->nb_pkts), arg); 138 139 return ret; 140 } 141 142 static int 143 evt_parse_pool_sz(struct evt_options *opt, const char *arg) 144 { 145 opt->pool_sz = atoi(arg); 146 147 return 0; 148 } 149 150 static int 151 evt_parse_plcores(struct evt_options *opt, const char *corelist) 152 { 153 int ret; 154 155 ret = parse_lcores_list(opt->plcores, corelist); 156 if (ret == -E2BIG) 157 evt_err("duplicate lcores in plcores"); 158 159 return ret; 160 } 161 162 static int 163 evt_parse_work_lcores(struct evt_options *opt, const char *corelist) 164 { 165 int ret; 166 167 ret = parse_lcores_list(opt->wlcores, corelist); 168 if (ret == -E2BIG) 169 evt_err("duplicate lcores in wlcores"); 170 171 return ret; 172 } 173 174 static void 175 usage(char *program) 176 { 177 printf("usage : %s [EAL options] -- [application options]\n", program); 178 printf("application options:\n"); 179 printf("\t--verbose : verbose level\n" 180 "\t--dev : device id of the event device\n" 181 "\t--test : name of the test application to run\n" 182 "\t--socket_id : socket_id of application resources\n" 183 "\t--pool_sz : pool size of the mempool\n" 184 "\t--plcores : list of lcore ids for producers\n" 185 "\t--wlcores : list of lcore ids for workers\n" 186 "\t--stlist : list of scheduled types of the stages\n" 187 "\t--nb_flows : number of flows to produce\n" 188 "\t--nb_pkts : number of packets to produce\n" 189 "\t--worker_deq_depth : dequeue depth of the worker\n" 190 "\t--fwd_latency : perform fwd_latency measurement\n" 191 "\t--queue_priority : enable queue priority\n" 192 ); 193 printf("available tests:\n"); 194 evt_test_dump_names(); 195 } 196 197 static int 198 evt_parse_sched_type_list(struct evt_options *opt, const char *arg) 199 { 200 char c; 201 int i = 0, j = -1; 202 203 for (i = 0; i < EVT_MAX_STAGES; i++) 204 opt->sched_type_list[i] = (uint8_t)-1; 205 206 i = 0; 207 208 do { 209 c = arg[++j]; 210 211 switch (c) { 212 case 'o': 213 case 'O': 214 opt->sched_type_list[i++] = RTE_SCHED_TYPE_ORDERED; 215 break; 216 case 'a': 217 case 'A': 218 opt->sched_type_list[i++] = RTE_SCHED_TYPE_ATOMIC; 219 break; 220 case 'p': 221 case 'P': 222 opt->sched_type_list[i++] = RTE_SCHED_TYPE_PARALLEL; 223 break; 224 case ',': 225 break; 226 default: 227 if (c != '\0') { 228 evt_err("invalid sched_type %c", c); 229 return -EINVAL; 230 } 231 } 232 } while (c != '\0'); 233 234 opt->nb_stages = i; 235 return 0; 236 } 237 238 static struct option lgopts[] = { 239 { EVT_NB_FLOWS, 1, 0, 0 }, 240 { EVT_DEVICE, 1, 0, 0 }, 241 { EVT_VERBOSE, 1, 0, 0 }, 242 { EVT_TEST, 1, 0, 0 }, 243 { EVT_PROD_LCORES, 1, 0, 0 }, 244 { EVT_WORK_LCORES, 1, 0, 0 }, 245 { EVT_SOCKET_ID, 1, 0, 0 }, 246 { EVT_POOL_SZ, 1, 0, 0 }, 247 { EVT_NB_PKTS, 1, 0, 0 }, 248 { EVT_WKR_DEQ_DEP, 1, 0, 0 }, 249 { EVT_SCHED_TYPE_LIST, 1, 0, 0 }, 250 { EVT_FWD_LATENCY, 0, 0, 0 }, 251 { EVT_QUEUE_PRIORITY, 0, 0, 0 }, 252 { EVT_HELP, 0, 0, 0 }, 253 { NULL, 0, 0, 0 } 254 }; 255 256 static int 257 evt_opts_parse_long(int opt_idx, struct evt_options *opt) 258 { 259 unsigned int i; 260 261 struct long_opt_parser parsermap[] = { 262 { EVT_NB_FLOWS, evt_parse_nb_flows}, 263 { EVT_DEVICE, evt_parse_dev_id}, 264 { EVT_VERBOSE, evt_parse_verbose}, 265 { EVT_TEST, evt_parse_test_name}, 266 { EVT_PROD_LCORES, evt_parse_plcores}, 267 { EVT_WORK_LCORES, evt_parse_work_lcores}, 268 { EVT_SOCKET_ID, evt_parse_socket_id}, 269 { EVT_POOL_SZ, evt_parse_pool_sz}, 270 { EVT_NB_PKTS, evt_parse_nb_pkts}, 271 { EVT_WKR_DEQ_DEP, evt_parse_wkr_deq_dep}, 272 { EVT_SCHED_TYPE_LIST, evt_parse_sched_type_list}, 273 { EVT_FWD_LATENCY, evt_parse_fwd_latency}, 274 { EVT_QUEUE_PRIORITY, evt_parse_queue_priority}, 275 }; 276 277 for (i = 0; i < RTE_DIM(parsermap); i++) { 278 if (strncmp(lgopts[opt_idx].name, parsermap[i].lgopt_name, 279 strlen(parsermap[i].lgopt_name)) == 0) 280 return parsermap[i].parser_fn(opt, optarg); 281 } 282 283 return -EINVAL; 284 } 285 286 int 287 evt_options_parse(struct evt_options *opt, int argc, char **argv) 288 { 289 int opts, retval, opt_idx; 290 291 while ((opts = getopt_long(argc, argv, "", lgopts, &opt_idx)) != EOF) { 292 switch (opts) { 293 case 0: /* long options */ 294 if (!strcmp(lgopts[opt_idx].name, "help")) { 295 usage(argv[0]); 296 exit(EXIT_SUCCESS); 297 } 298 299 retval = evt_opts_parse_long(opt_idx, opt); 300 if (retval != 0) 301 return retval; 302 break; 303 default: 304 return -EINVAL; 305 } 306 } 307 return 0; 308 } 309 310 void 311 evt_options_dump(struct evt_options *opt) 312 { 313 int lcore_id; 314 struct rte_event_dev_info dev_info; 315 316 rte_event_dev_info_get(opt->dev_id, &dev_info); 317 evt_dump("driver", "%s", dev_info.driver_name); 318 evt_dump("test", "%s", opt->test_name); 319 evt_dump("dev", "%d", opt->dev_id); 320 evt_dump("verbose_level", "%d", opt->verbose_level); 321 evt_dump("socket_id", "%d", opt->socket_id); 322 evt_dump("pool_sz", "%d", opt->pool_sz); 323 evt_dump("master lcore", "%d", rte_get_master_lcore()); 324 evt_dump("nb_pkts", "%"PRIu64, opt->nb_pkts); 325 evt_dump_begin("available lcores"); 326 RTE_LCORE_FOREACH(lcore_id) 327 printf("%d ", lcore_id); 328 evt_dump_end; 329 evt_dump_nb_flows(opt); 330 evt_dump_worker_dequeue_depth(opt); 331 } 332