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_slcore(struct evt_options *opt, const char *arg) 118 { 119 opt->slcore = atoi(arg); 120 return 0; 121 } 122 123 static int 124 evt_parse_socket_id(struct evt_options *opt, const char *arg) 125 { 126 opt->socket_id = atoi(arg); 127 return 0; 128 } 129 130 static int 131 evt_parse_wkr_deq_dep(struct evt_options *opt, const char *arg) 132 { 133 int ret; 134 135 ret = parser_read_uint16(&(opt->wkr_deq_dep), arg); 136 return ret; 137 } 138 139 static int 140 evt_parse_nb_pkts(struct evt_options *opt, const char *arg) 141 { 142 int ret; 143 144 ret = parser_read_uint64(&(opt->nb_pkts), arg); 145 146 return ret; 147 } 148 149 static int 150 evt_parse_pool_sz(struct evt_options *opt, const char *arg) 151 { 152 opt->pool_sz = atoi(arg); 153 154 return 0; 155 } 156 157 static int 158 evt_parse_plcores(struct evt_options *opt, const char *corelist) 159 { 160 int ret; 161 162 ret = parse_lcores_list(opt->plcores, corelist); 163 if (ret == -E2BIG) 164 evt_err("duplicate lcores in plcores"); 165 166 return ret; 167 } 168 169 static int 170 evt_parse_work_lcores(struct evt_options *opt, const char *corelist) 171 { 172 int ret; 173 174 ret = parse_lcores_list(opt->wlcores, corelist); 175 if (ret == -E2BIG) 176 evt_err("duplicate lcores in wlcores"); 177 178 return ret; 179 } 180 181 static void 182 usage(char *program) 183 { 184 printf("usage : %s [EAL options] -- [application options]\n", program); 185 printf("application options:\n"); 186 printf("\t--verbose : verbose level\n" 187 "\t--dev : device id of the event device\n" 188 "\t--test : name of the test application to run\n" 189 "\t--socket_id : socket_id of application resources\n" 190 "\t--pool_sz : pool size of the mempool\n" 191 "\t--slcore : lcore id of the scheduler\n" 192 "\t--plcores : list of lcore ids for producers\n" 193 "\t--wlcores : list of lcore ids for workers\n" 194 "\t--stlist : list of scheduled types of the stages\n" 195 "\t--nb_flows : number of flows to produce\n" 196 "\t--nb_pkts : number of packets to produce\n" 197 "\t--worker_deq_depth : dequeue depth of the worker\n" 198 "\t--fwd_latency : perform fwd_latency measurement\n" 199 "\t--queue_priority : enable queue priority\n" 200 ); 201 printf("available tests:\n"); 202 evt_test_dump_names(); 203 } 204 205 static int 206 evt_parse_sched_type_list(struct evt_options *opt, const char *arg) 207 { 208 char c; 209 int i = 0, j = -1; 210 211 for (i = 0; i < EVT_MAX_STAGES; i++) 212 opt->sched_type_list[i] = (uint8_t)-1; 213 214 i = 0; 215 216 do { 217 c = arg[++j]; 218 219 switch (c) { 220 case 'o': 221 case 'O': 222 opt->sched_type_list[i++] = RTE_SCHED_TYPE_ORDERED; 223 break; 224 case 'a': 225 case 'A': 226 opt->sched_type_list[i++] = RTE_SCHED_TYPE_ATOMIC; 227 break; 228 case 'p': 229 case 'P': 230 opt->sched_type_list[i++] = RTE_SCHED_TYPE_PARALLEL; 231 break; 232 case ',': 233 break; 234 default: 235 if (c != '\0') { 236 evt_err("invalid sched_type %c", c); 237 return -EINVAL; 238 } 239 } 240 } while (c != '\0'); 241 242 opt->nb_stages = i; 243 return 0; 244 } 245 246 static struct option lgopts[] = { 247 { EVT_NB_FLOWS, 1, 0, 0 }, 248 { EVT_DEVICE, 1, 0, 0 }, 249 { EVT_VERBOSE, 1, 0, 0 }, 250 { EVT_TEST, 1, 0, 0 }, 251 { EVT_PROD_LCORES, 1, 0, 0 }, 252 { EVT_WORK_LCORES, 1, 0, 0 }, 253 { EVT_SOCKET_ID, 1, 0, 0 }, 254 { EVT_POOL_SZ, 1, 0, 0 }, 255 { EVT_NB_PKTS, 1, 0, 0 }, 256 { EVT_WKR_DEQ_DEP, 1, 0, 0 }, 257 { EVT_SCHED_LCORE, 1, 0, 0 }, 258 { EVT_SCHED_TYPE_LIST, 1, 0, 0 }, 259 { EVT_FWD_LATENCY, 0, 0, 0 }, 260 { EVT_QUEUE_PRIORITY, 0, 0, 0 }, 261 { EVT_HELP, 0, 0, 0 }, 262 { NULL, 0, 0, 0 } 263 }; 264 265 static int 266 evt_opts_parse_long(int opt_idx, struct evt_options *opt) 267 { 268 unsigned int i; 269 270 struct long_opt_parser parsermap[] = { 271 { EVT_NB_FLOWS, evt_parse_nb_flows}, 272 { EVT_DEVICE, evt_parse_dev_id}, 273 { EVT_VERBOSE, evt_parse_verbose}, 274 { EVT_TEST, evt_parse_test_name}, 275 { EVT_PROD_LCORES, evt_parse_plcores}, 276 { EVT_WORK_LCORES, evt_parse_work_lcores}, 277 { EVT_SOCKET_ID, evt_parse_socket_id}, 278 { EVT_POOL_SZ, evt_parse_pool_sz}, 279 { EVT_NB_PKTS, evt_parse_nb_pkts}, 280 { EVT_WKR_DEQ_DEP, evt_parse_wkr_deq_dep}, 281 { EVT_SCHED_LCORE, evt_parse_slcore}, 282 { EVT_SCHED_TYPE_LIST, evt_parse_sched_type_list}, 283 { EVT_FWD_LATENCY, evt_parse_fwd_latency}, 284 { EVT_QUEUE_PRIORITY, evt_parse_queue_priority}, 285 }; 286 287 for (i = 0; i < RTE_DIM(parsermap); i++) { 288 if (strncmp(lgopts[opt_idx].name, parsermap[i].lgopt_name, 289 strlen(parsermap[i].lgopt_name)) == 0) 290 return parsermap[i].parser_fn(opt, optarg); 291 } 292 293 return -EINVAL; 294 } 295 296 int 297 evt_options_parse(struct evt_options *opt, int argc, char **argv) 298 { 299 int opts, retval, opt_idx; 300 301 while ((opts = getopt_long(argc, argv, "", lgopts, &opt_idx)) != EOF) { 302 switch (opts) { 303 case 0: /* long options */ 304 if (!strcmp(lgopts[opt_idx].name, "help")) { 305 usage(argv[0]); 306 exit(EXIT_SUCCESS); 307 } 308 309 retval = evt_opts_parse_long(opt_idx, opt); 310 if (retval != 0) 311 return retval; 312 break; 313 default: 314 return -EINVAL; 315 } 316 } 317 return 0; 318 } 319 320 void 321 evt_options_dump(struct evt_options *opt) 322 { 323 int lcore_id; 324 struct rte_event_dev_info dev_info; 325 326 rte_event_dev_info_get(opt->dev_id, &dev_info); 327 evt_dump("driver", "%s", dev_info.driver_name); 328 evt_dump("test", "%s", opt->test_name); 329 evt_dump("dev", "%d", opt->dev_id); 330 evt_dump("verbose_level", "%d", opt->verbose_level); 331 evt_dump("socket_id", "%d", opt->socket_id); 332 evt_dump("pool_sz", "%d", opt->pool_sz); 333 evt_dump("master lcore", "%d", rte_get_master_lcore()); 334 evt_dump("nb_pkts", "%"PRIu64, opt->nb_pkts); 335 evt_dump_begin("available lcores"); 336 RTE_LCORE_FOREACH(lcore_id) 337 printf("%d ", lcore_id); 338 evt_dump_end; 339 evt_dump_nb_flows(opt); 340 evt_dump_worker_dequeue_depth(opt); 341 } 342