src/redis-benchmark.c

   1 /* Redis benchmark utility.
   2  *
   3  * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  *   * Redistributions of source code must retain the above copyright notice,
  10  *     this list of conditions and the following disclaimer.
  11  *   * Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *   * Neither the name of Redis nor the names of its contributors may be used
  15  *     to endorse or promote products derived from this software without
  16  *     specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "fmacros.h"
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37 #include <errno.h>
  38 #include <sys/time.h>
  39 #include <signal.h>
  40 #include <assert.h>
  41
  42 #include "ae.h"
  43 #include "hiredis.h"
  44 #include "sds.h"
  45 #include "adlist.h"
  46 #include "zmalloc.h"
  47
  48 #define REDIS_NOTUSED(V) ((void) V)
  49
  50 static struct config {
  51     aeEventLoop *el;
  52     const char *hostip;
  53     int hostport;
  54     const char *hostsocket;
  55     int numclients;
  56     int liveclients;
  57     int requests;
  58     int requests_issued;
  59     int requests_finished;
  60     int keysize;
  61     int datasize;
  62     int randomkeys;
  63     int randomkeys_keyspacelen;
  64     int keepalive;
  65     int pipeline;
  66     long long start;
  67     long long totlatency;
  68     long long *latency;
  69     const char *title;
  70     list *clients;
  71     int quiet;
  72     int csv;
  73     int loop;
  74     int idlemode;
  75     char *tests;
  76 } config;
  77
  78 typedef struct _client {
  79     redisContext *context;
  80     sds obuf;
  81     char *randptr[32]; /* needed for MSET against 10 keys */
  82     size_t randlen;
  83     unsigned int written; /* bytes of 'obuf' already written */
  84     long long start; /* start time of a request */
  85     long long latency; /* request latency */
  86     int pending;    /* Number of pending requests (sent but no reply received) */
  87 } *client;
  88
  89 /* Prototypes */
  90 static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask);
  91 static void createMissingClients(client c);
  92
  93 /* Implementation */
  94 static long long ustime(void) {
  95     struct timeval tv;
  96     long long ust;
  97
  98     gettimeofday(&tv, NULL);
  99     ust = ((long)tv.tv_sec)*1000000;
 100     ust += tv.tv_usec;
 101     return ust;
 102 }
 103
 104 static long long mstime(void) {
 105     struct timeval tv;
 106     long long mst;
 107
 108     gettimeofday(&tv, NULL);
 109     mst = ((long)tv.tv_sec)*1000;
 110     mst += tv.tv_usec/1000;
 111     return mst;
 112 }
 113
 114 static void freeClient(client c) {
 115     listNode *ln;
 116     aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
 117     aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE);
 118     redisFree(c->context);
 119     sdsfree(c->obuf);
 120     zfree(c);
 121     config.liveclients--;
 122     ln = listSearchKey(config.clients,c);
 123     assert(ln != NULL);
 124     listDelNode(config.clients,ln);
 125 }
 126
 127 static void freeAllClients(void) {
 128     listNode *ln = config.clients->head, *next;
 129
 130     while(ln) {
 131         next = ln->next;
 132         freeClient(ln->value);
 133         ln = next;
 134     }
 135 }
 136
 137 static void resetClient(client c) {
 138     aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
 139     aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE);
 140     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
 141     c->written = 0;
 142     c->pending = config.pipeline;
 143 }
 144
 145 static void randomizeClientKey(client c) {
 146     char buf[32];
 147     size_t i, r;
 148
 149     for (i = 0; i < c->randlen; i++) {
 150         r = random() % config.randomkeys_keyspacelen;
 151         snprintf(buf,sizeof(buf),"%012zu",r);
 152         memcpy(c->randptr[i],buf,12);
 153     }
 154 }
 155
 156 static void clientDone(client c) {
 157     if (config.requests_finished == config.requests) {
 158         freeClient(c);
 159         aeStop(config.el);
 160         return;
 161     }
 162     if (config.keepalive) {
 163         resetClient(c);
 164     } else {
 165         config.liveclients--;
 166         createMissingClients(c);
 167         config.liveclients++;
 168         freeClient(c);
 169     }
 170 }
 171
 172 static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
 173     client c = privdata;
 174     void *reply = NULL;
 175     REDIS_NOTUSED(el);
 176     REDIS_NOTUSED(fd);
 177     REDIS_NOTUSED(mask);
 178
 179     /* Calculate latency only for the first read event. This means that the
 180      * server already sent the reply and we need to parse it. Parsing overhead
 181      * is not part of the latency, so calculate it only once, here. */
 182     if (c->latency < 0) c->latency = ustime()-(c->start);
 183
 184     if (redisBufferRead(c->context) != REDIS_OK) {
 185         fprintf(stderr,"Error: %s\n",c->context->errstr);
 186         exit(1);
 187     } else {
 188         while(c->pending) {
 189             if (redisGetReply(c->context,&reply) != REDIS_OK) {
 190                 fprintf(stderr,"Error: %s\n",c->context->errstr);
 191                 exit(1);
 192             }
 193             if (reply != NULL) {
 194                 if (reply == (void*)REDIS_REPLY_ERROR) {
 195                     fprintf(stderr,"Unexpected error reply, exiting...\n");
 196                     exit(1);
 197                 }
 198
 199                 freeReplyObject(reply);
 200
 201                 if (config.requests_finished < config.requests)
 202                     config.latency[config.requests_finished++] = c->latency;
 203                 c->pending--;
 204                 if (c->pending == 0) clientDone(c);
 205             } else {
 206                 break;
 207             }
 208         }
 209     }
 210 }
 211
 212 static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
 213     client c = privdata;
 214     REDIS_NOTUSED(el);
 215     REDIS_NOTUSED(fd);
 216     REDIS_NOTUSED(mask);
 217
 218     /* Initialize request when nothing was written. */
 219     if (c->written == 0) {
 220         /* Enforce upper bound to number of requests. */
 221         if (config.requests_issued++ >= config.requests) {
 222             freeClient(c);
 223             return;
 224         }
 225
 226         /* Really initialize: randomize keys and set start time. */
 227         if (config.randomkeys) randomizeClientKey(c);
 228         c->start = ustime();
 229         c->latency = -1;
 230     }
 231
 232     if (sdslen(c->obuf) > c->written) {
 233         void *ptr = c->obuf+c->written;
 234         int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written);
 235         if (nwritten == -1) {
 236             if (errno != EPIPE)
 237                 fprintf(stderr, "Writing to socket: %s\n", strerror(errno));
 238             freeClient(c);
 239             return;
 240         }
 241         c->written += nwritten;
 242         if (sdslen(c->obuf) == c->written) {
 243             aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
 244             aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c);
 245         }
 246     }
 247 }
 248
 249 static client createClient(char *cmd, size_t len) {
 250     int j;
 251     client c = zmalloc(sizeof(struct _client));
 252
 253     if (config.hostsocket == NULL) {
 254         c->context = redisConnectNonBlock(config.hostip,config.hostport);
 255     } else {
 256         c->context = redisConnectUnixNonBlock(config.hostsocket);
 257     }
 258     if (c->context->err) {
 259         fprintf(stderr,"Could not connect to Redis at ");
 260         if (config.hostsocket == NULL)
 261             fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,c->context->errstr);
 262         else
 263             fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr);
 264         exit(1);
 265     }
 266     /* Queue N requests accordingly to the pipeline size. */
 267     c->obuf = sdsempty();
 268     for (j = 0; j < config.pipeline; j++)
 269         c->obuf = sdscatlen(c->obuf,cmd,len);
 270     c->randlen = 0;
 271     c->written = 0;
 272     c->pending = config.pipeline;
 273
 274     /* Find substrings in the output buffer that need to be randomized. */
 275     if (config.randomkeys) {
 276         char *p = c->obuf;
 277         while ((p = strstr(p,":rand:")) != NULL) {
 278             assert(c->randlen < (signed)(sizeof(c->randptr)/sizeof(char*)));
 279             c->randptr[c->randlen++] = p+6;
 280             p += 6;
 281         }
 282     }
 283
 284 /*    redisSetReplyObjectFunctions(c->context,NULL); */
 285     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
 286     listAddNodeTail(config.clients,c);
 287     config.liveclients++;
 288     return c;
 289 }
 290
 291 static void createMissingClients(client c) {
 292     int n = 0;
 293
 294     while(config.liveclients < config.numclients) {
 295         createClient(c->obuf,sdslen(c->obuf)/config.pipeline);
 296
 297         /* Listen backlog is quite limited on most systems */
 298         if (++n > 64) {
 299             usleep(50000);
 300             n = 0;
 301         }
 302     }
 303 }
 304
 305 static int compareLatency(const void *a, const void *b) {
 306     return (*(long long*)a)-(*(long long*)b);
 307 }
 308
 309 static void showLatencyReport(void) {
 310     int i, curlat = 0;
 311     float perc, reqpersec;
 312
 313     reqpersec = (float)config.requests_finished/((float)config.totlatency/1000);
 314     if (!config.quiet && !config.csv) {
 315         printf("====== %s ======\n", config.title);
 316         printf("  %d requests completed in %.2f seconds\n", config.requests_finished,
 317             (float)config.totlatency/1000);
 318         printf("  %d parallel clients\n", config.numclients);
 319         printf("  %d bytes payload\n", config.datasize);
 320         printf("  keep alive: %d\n", config.keepalive);
 321         printf("\n");
 322
 323         qsort(config.latency,config.requests,sizeof(long long),compareLatency);
 324         for (i = 0; i < config.requests; i++) {
 325             if (config.latency[i]/1000 != curlat || i == (config.requests-1)) {
 326                 curlat = config.latency[i]/1000;
 327                 perc = ((float)(i+1)*100)/config.requests;
 328                 printf("%.2f%% <= %d milliseconds\n", perc, curlat);
 329             }
 330         }
 331         printf("%.2f requests per second\n\n", reqpersec);
 332     } else if (config.csv) {
 333         printf("\"%s\",\"%.2f\"\n", config.title, reqpersec);
 334     } else {
 335         printf("%s: %.2f requests per second\n", config.title, reqpersec);
 336     }
 337 }
 338
 339 static void benchmark(char *title, char *cmd, int len) {
 340     client c;
 341
 342     config.title = title;
 343     config.requests_issued = 0;
 344     config.requests_finished = 0;
 345
 346     c = createClient(cmd,len);
 347     createMissingClients(c);
 348
 349     config.start = mstime();
 350     aeMain(config.el);
 351     config.totlatency = mstime()-config.start;
 352
 353     showLatencyReport();
 354     freeAllClients();
 355 }
 356
 357 /* Returns number of consumed options. */
 358 int parseOptions(int argc, const char **argv) {
 359     int i;
 360     int lastarg;
 361     int exit_status = 1;
 362
 363     for (i = 1; i < argc; i++) {
 364         lastarg = (i == (argc-1));
 365
 366         if (!strcmp(argv[i],"-c")) {
 367             if (lastarg) goto invalid;
 368             config.numclients = atoi(argv[++i]);
 369         } else if (!strcmp(argv[i],"-n")) {
 370             if (lastarg) goto invalid;
 371             config.requests = atoi(argv[++i]);
 372         } else if (!strcmp(argv[i],"-k")) {
 373             if (lastarg) goto invalid;
 374             config.keepalive = atoi(argv[++i]);
 375         } else if (!strcmp(argv[i],"-h")) {
 376             if (lastarg) goto invalid;
 377             config.hostip = strdup(argv[++i]);
 378         } else if (!strcmp(argv[i],"-p")) {
 379             if (lastarg) goto invalid;
 380             config.hostport = atoi(argv[++i]);
 381         } else if (!strcmp(argv[i],"-s")) {
 382             if (lastarg) goto invalid;
 383             config.hostsocket = strdup(argv[++i]);
 384         } else if (!strcmp(argv[i],"-d")) {
 385             if (lastarg) goto invalid;
 386             config.datasize = atoi(argv[++i]);
 387             if (config.datasize < 1) config.datasize=1;
 388             if (config.datasize > 1024*1024*1024) config.datasize = 1024*1024*1024;
 389         } else if (!strcmp(argv[i],"-P")) {
 390             if (lastarg) goto invalid;
 391             config.pipeline = atoi(argv[++i]);
 392             if (config.pipeline <= 0) config.pipeline=1;
 393         } else if (!strcmp(argv[i],"-r")) {
 394             if (lastarg) goto invalid;
 395             config.randomkeys = 1;
 396             config.randomkeys_keyspacelen = atoi(argv[++i]);
 397             if (config.randomkeys_keyspacelen < 0)
 398                 config.randomkeys_keyspacelen = 0;
 399         } else if (!strcmp(argv[i],"-q")) {
 400             config.quiet = 1;
 401         } else if (!strcmp(argv[i],"--csv")) {
 402             config.csv = 1;
 403         } else if (!strcmp(argv[i],"-l")) {
 404             config.loop = 1;
 405         } else if (!strcmp(argv[i],"-I")) {
 406             config.idlemode = 1;
 407         } else if (!strcmp(argv[i],"-t")) {
 408             if (lastarg) goto invalid;
 409             /* We get the list of tests to run as a string in the form
 410              * get,set,lrange,...,test_N. Then we add a comma before and
 411              * after the string in order to make sure that searching
 412              * for ",testname," will always get a match if the test is
 413              * enabled. */
 414             config.tests = sdsnew(",");
 415             config.tests = sdscat(config.tests,(char*)argv[++i]);
 416             config.tests = sdscat(config.tests,",");
 417             sdstolower(config.tests);
 418         } else if (!strcmp(argv[i],"--help")) {
 419             exit_status = 0;
 420             goto usage;
 421         } else {
 422             /* Assume the user meant to provide an option when the arg starts
 423              * with a dash. We're done otherwise and should use the remainder
 424              * as the command and arguments for running the benchmark. */
 425             if (argv[i][0] == '-') goto invalid;
 426             return i;
 427         }
 428     }
 429
 430     return i;
 431
 432 invalid:
 433     printf("Invalid option \"%s\" or option argument missing\n\n",argv[i]);
 434
 435 usage:
 436     printf(
 437 "Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n"
 438 " -h <hostname>      Server hostname (default 127.0.0.1)\n"
 439 " -p <port>          Server port (default 6379)\n"
 440 " -s <socket>        Server socket (overrides host and port)\n"
 441 " -c <clients>       Number of parallel connections (default 50)\n"
 442 " -n <requests>      Total number of requests (default 10000)\n"
 443 " -d <size>          Data size of SET/GET value in bytes (default 2)\n"
 444 " -k <boolean>       1=keep alive 0=reconnect (default 1)\n"
 445 " -r <keyspacelen>   Use random keys for SET/GET/INCR, random values for SADD\n"
 446 "  Using this option the benchmark will get/set keys\n"
 447 "  in the form mykey_rand:000000012456 instead of constant\n"
 448 "  keys, the <keyspacelen> argument determines the max\n"
 449 "  number of values for the random number. For instance\n"
 450 "  if set to 10 only rand:000000000000 - rand:000000000009\n"
 451 "  range will be allowed.\n"
 452 " -P <numreq>        Pipeline <numreq> requests. Default 1 (no pipeline).\n"
 453 " -q                 Quiet. Just show query/sec values\n"
 454 " --csv              Output in CSV format\n"
 455 " -l                 Loop. Run the tests forever\n"
 456 " -t <tests>         Only run the comma separated list of tests. The test\n"
 457 "                    names are the same as the ones produced as output.\n"
 458 " -I                 Idle mode. Just open N idle connections and wait.\n\n"
 459 "Examples:\n\n"
 460 " Run the benchmark with the default configuration against 127.0.0.1:6379:\n"
 461 "   $ redis-benchmark\n\n"
 462 " Use 20 parallel clients, for a total of 100k requests, against 192.168.1.1:\n"
 463 "   $ redis-benchmark -h 192.168.1.1 -p 6379 -n 100000 -c 20\n\n"
 464 " Fill 127.0.0.1:6379 with about 1 million keys only using the SET test:\n"
 465 "   $ redis-benchmark -t set -n 1000000 -r 100000000\n\n"
 466 " Benchmark 127.0.0.1:6379 for a few commands producing CSV output:\n"
 467 "   $ redis-benchmark -t ping,set,get -n 100000 --csv\n\n"
 468 " Fill a list with 10000 random elements:\n"
 469 "   $ redis-benchmark -r 10000 -n 10000 lpush mylist ele:rand:000000000000\n\n"
 470     );
 471     exit(exit_status);
 472 }
 473
 474 int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) {
 475     REDIS_NOTUSED(eventLoop);
 476     REDIS_NOTUSED(id);
 477     REDIS_NOTUSED(clientData);
 478
 479     if (config.csv) return 250;
 480     float dt = (float)(mstime()-config.start)/1000.0;
 481     float rps = (float)config.requests_finished/dt;
 482     printf("%s: %.2f\r", config.title, rps);
 483     fflush(stdout);
 484     return 250; /* every 250ms */
 485 }
 486
 487 /* Return true if the named test was selected using the -t command line
 488  * switch, or if all the tests are selected (no -t passed by user). */
 489 int test_is_selected(char *name) {
 490     char buf[256];
 491     int l = strlen(name);
 492
 493     if (config.tests == NULL) return 1;
 494     buf[0] = ',';
 495     memcpy(buf+1,name,l);
 496     buf[l+1] = ',';
 497     buf[l+2] = '\0';
 498     return strstr(config.tests,buf) != NULL;
 499 }
 500
 501 int main(int argc, const char **argv) {
 502     int i;
 503     char *data, *cmd;
 504     int len;
 505
 506     client c;
 507
 508     signal(SIGHUP, SIG_IGN);
 509     signal(SIGPIPE, SIG_IGN);
 510
 511     config.numclients = 50;
 512     config.requests = 10000;
 513     config.liveclients = 0;
 514     config.el = aeCreateEventLoop(1024*10);
 515     aeCreateTimeEvent(config.el,1,showThroughput,NULL,NULL);
 516     config.keepalive = 1;
 517     config.datasize = 3;
 518     config.pipeline = 1;
 519     config.randomkeys = 0;
 520     config.randomkeys_keyspacelen = 0;
 521     config.quiet = 0;
 522     config.csv = 0;
 523     config.loop = 0;
 524     config.idlemode = 0;
 525     config.latency = NULL;
 526     config.clients = listCreate();
 527     config.hostip = "127.0.0.1";
 528     config.hostport = 6379;
 529     config.hostsocket = NULL;
 530     config.tests = NULL;
 531
 532     i = parseOptions(argc,argv);
 533     argc -= i;
 534     argv += i;
 535
 536     config.latency = zmalloc(sizeof(long long)*config.requests);
 537
 538     if (config.keepalive == 0) {
 539         printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and 'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order to use a lot of clients/requests\n");
 540     }
 541
 542     if (config.idlemode) {
 543         printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients);
 544         c = createClient("",0); /* will never receive a reply */
 545         createMissingClients(c);
 546         aeMain(config.el);
 547         /* and will wait for every */
 548     }
 549
 550     /* Run benchmark with command in the remainder of the arguments. */
 551     if (argc) {
 552         sds title = sdsnew(argv[0]);
 553         for (i = 1; i < argc; i++) {
 554             title = sdscatlen(title, " ", 1);
 555             title = sdscatlen(title, (char*)argv[i], strlen(argv[i]));
 556         }
 557
 558         do {
 559             len = redisFormatCommandArgv(&cmd,argc,argv,NULL);
 560             benchmark(title,cmd,len);
 561             free(cmd);
 562         } while(config.loop);
 563
 564         return 0;
 565     }
 566
 567     /* Run default benchmark suite. */
 568     do {
 569         data = zmalloc(config.datasize+1);
 570         memset(data,'x',config.datasize);
 571         data[config.datasize] = '\0';
 572
 573         if (test_is_selected("ping_inline") || test_is_selected("ping"))
 574             benchmark("PING_INLINE","PING\r\n",6);
 575
 576         if (test_is_selected("ping_mbulk") || test_is_selected("ping")) {
 577             len = redisFormatCommand(&cmd,"PING");
 578             benchmark("PING_BULK",cmd,len);
 579             free(cmd);
 580         }
 581
 582         if (test_is_selected("set")) {
 583             len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data);
 584             benchmark("SET",cmd,len);
 585             free(cmd);
 586         }
 587
 588         if (test_is_selected("get")) {
 589             len = redisFormatCommand(&cmd,"GET foo:rand:000000000000");
 590             benchmark("GET",cmd,len);
 591             free(cmd);
 592         }
 593
 594         if (test_is_selected("incr")) {
 595             len = redisFormatCommand(&cmd,"INCR counter:rand:000000000000");
 596             benchmark("INCR",cmd,len);
 597             free(cmd);
 598         }
 599
 600         if (test_is_selected("lpush")) {
 601             len = redisFormatCommand(&cmd,"LPUSH mylist %s",data);
 602             benchmark("LPUSH",cmd,len);
 603             free(cmd);
 604         }
 605
 606         if (test_is_selected("lpop")) {
 607             len = redisFormatCommand(&cmd,"LPOP mylist");
 608             benchmark("LPOP",cmd,len);
 609             free(cmd);
 610         }
 611
 612         if (test_is_selected("sadd")) {
 613             len = redisFormatCommand(&cmd,
 614                 "SADD myset counter:rand:000000000000");
 615             benchmark("SADD",cmd,len);
 616             free(cmd);
 617         }
 618
 619         if (test_is_selected("spop")) {
 620             len = redisFormatCommand(&cmd,"SPOP myset");
 621             benchmark("SPOP",cmd,len);
 622             free(cmd);
 623         }
 624
 625         if (test_is_selected("lrange") ||
 626             test_is_selected("lrange_100") ||
 627             test_is_selected("lrange_300") ||
 628             test_is_selected("lrange_500") ||
 629             test_is_selected("lrange_600"))
 630         {
 631             len = redisFormatCommand(&cmd,"LPUSH mylist %s",data);
 632             benchmark("LPUSH (needed to benchmark LRANGE)",cmd,len);
 633             free(cmd);
 634         }
 635
 636         if (test_is_selected("lrange") || test_is_selected("lrange_100")) {
 637             len = redisFormatCommand(&cmd,"LRANGE mylist 0 99");
 638             benchmark("LRANGE_100 (first 100 elements)",cmd,len);
 639             free(cmd);
 640         }
 641
 642         if (test_is_selected("lrange") || test_is_selected("lrange_300")) {
 643             len = redisFormatCommand(&cmd,"LRANGE mylist 0 299");
 644             benchmark("LRANGE_300 (first 300 elements)",cmd,len);
 645             free(cmd);
 646         }
 647
 648         if (test_is_selected("lrange") || test_is_selected("lrange_500")) {
 649             len = redisFormatCommand(&cmd,"LRANGE mylist 0 449");
 650             benchmark("LRANGE_500 (first 450 elements)",cmd,len);
 651             free(cmd);
 652         }
 653
 654         if (test_is_selected("lrange") || test_is_selected("lrange_600")) {
 655             len = redisFormatCommand(&cmd,"LRANGE mylist 0 599");
 656             benchmark("LRANGE_600 (first 600 elements)",cmd,len);
 657             free(cmd);
 658         }
 659
 660         if (test_is_selected("mset")) {
 661             const char *argv[21];
 662             argv[0] = "MSET";
 663             for (i = 1; i < 21; i += 2) {
 664                 argv[i] = "foo:rand:000000000000";
 665                 argv[i+1] = data;
 666             }
 667             len = redisFormatCommandArgv(&cmd,21,argv,NULL);
 668             benchmark("MSET (10 keys)",cmd,len);
 669             free(cmd);
 670         }
 671
 672         if (!config.csv) printf("\n");
 673     } while(config.loop);
 674
 675     return 0;
 676 }