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                 if (config.requests_finished < config.requests)
 200                     config.latency[config.requests_finished++] = c->latency;
 201                 c->pending--;
 202                 if (c->pending == 0) clientDone(c);
 203             } else {
 204                 break;
 205             }
 206         }
 207     }
 208 }
 209
 210 static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
 211     client c = privdata;
 212     REDIS_NOTUSED(el);
 213     REDIS_NOTUSED(fd);
 214     REDIS_NOTUSED(mask);
 215
 216     /* Initialize request when nothing was written. */
 217     if (c->written == 0) {
 218         /* Enforce upper bound to number of requests. */
 219         if (config.requests_issued++ >= config.requests) {
 220             freeClient(c);
 221             return;
 222         }
 223
 224         /* Really initialize: randomize keys and set start time. */
 225         if (config.randomkeys) randomizeClientKey(c);
 226         c->start = ustime();
 227         c->latency = -1;
 228     }
 229
 230     if (sdslen(c->obuf) > c->written) {
 231         void *ptr = c->obuf+c->written;
 232         int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written);
 233         if (nwritten == -1) {
 234             if (errno != EPIPE)
 235                 fprintf(stderr, "Writing to socket: %s\n", strerror(errno));
 236             freeClient(c);
 237             return;
 238         }
 239         c->written += nwritten;
 240         if (sdslen(c->obuf) == c->written) {
 241             aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
 242             aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c);
 243         }
 244     }
 245 }
 246
 247 static client createClient(char *cmd, size_t len) {
 248     int j;
 249     client c = zmalloc(sizeof(struct _client));
 250
 251     if (config.hostsocket == NULL) {
 252         c->context = redisConnectNonBlock(config.hostip,config.hostport);
 253     } else {
 254         c->context = redisConnectUnixNonBlock(config.hostsocket);
 255     }
 256     if (c->context->err) {
 257         fprintf(stderr,"Could not connect to Redis at ");
 258         if (config.hostsocket == NULL)
 259             fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,c->context->errstr);
 260         else
 261             fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr);
 262         exit(1);
 263     }
 264     /* Queue N requests accordingly to the pipeline size. */
 265     c->obuf = sdsempty();
 266     for (j = 0; j < config.pipeline; j++)
 267         c->obuf = sdscatlen(c->obuf,cmd,len);
 268     c->randlen = 0;
 269     c->written = 0;
 270     c->pending = config.pipeline;
 271
 272     /* Find substrings in the output buffer that need to be randomized. */
 273     if (config.randomkeys) {
 274         char *p = c->obuf;
 275         while ((p = strstr(p,":rand:")) != NULL) {
 276             assert(c->randlen < (signed)(sizeof(c->randptr)/sizeof(char*)));
 277             c->randptr[c->randlen++] = p+6;
 278             p += 6;
 279         }
 280     }
 281
 282 /*    redisSetReplyObjectFunctions(c->context,NULL); */
 283     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
 284     listAddNodeTail(config.clients,c);
 285     config.liveclients++;
 286     return c;
 287 }
 288
 289 static void createMissingClients(client c) {
 290     int n = 0;
 291
 292     while(config.liveclients < config.numclients) {
 293         createClient(c->obuf,sdslen(c->obuf)/config.pipeline);
 294
 295         /* Listen backlog is quite limited on most systems */
 296         if (++n > 64) {
 297             usleep(50000);
 298             n = 0;
 299         }
 300     }
 301 }
 302
 303 static int compareLatency(const void *a, const void *b) {
 304     return (*(long long*)a)-(*(long long*)b);
 305 }
 306
 307 static void showLatencyReport(void) {
 308     int i, curlat = 0;
 309     float perc, reqpersec;
 310
 311     reqpersec = (float)config.requests_finished/((float)config.totlatency/1000);
 312     if (!config.quiet && !config.csv) {
 313         printf("====== %s ======\n", config.title);
 314         printf("  %d requests completed in %.2f seconds\n", config.requests_finished,
 315             (float)config.totlatency/1000);
 316         printf("  %d parallel clients\n", config.numclients);
 317         printf("  %d bytes payload\n", config.datasize);
 318         printf("  keep alive: %d\n", config.keepalive);
 319         printf("\n");
 320
 321         qsort(config.latency,config.requests,sizeof(long long),compareLatency);
 322         for (i = 0; i < config.requests; i++) {
 323             if (config.latency[i]/1000 != curlat || i == (config.requests-1)) {
 324                 curlat = config.latency[i]/1000;
 325                 perc = ((float)(i+1)*100)/config.requests;
 326                 printf("%.2f%% <= %d milliseconds\n", perc, curlat);
 327             }
 328         }
 329         printf("%.2f requests per second\n\n", reqpersec);
 330     } else if (config.csv) {
 331         printf("\"%s\",\"%.2f\"\n", config.title, reqpersec);
 332     } else {
 333         printf("%s: %.2f requests per second\n", config.title, reqpersec);
 334     }
 335 }
 336
 337 static void benchmark(char *title, char *cmd, int len) {
 338     client c;
 339
 340     config.title = title;
 341     config.requests_issued = 0;
 342     config.requests_finished = 0;
 343
 344     c = createClient(cmd,len);
 345     createMissingClients(c);
 346
 347     config.start = mstime();
 348     aeMain(config.el);
 349     config.totlatency = mstime()-config.start;
 350
 351     showLatencyReport();
 352     freeAllClients();
 353 }
 354
 355 /* Returns number of consumed options. */
 356 int parseOptions(int argc, const char **argv) {
 357     int i;
 358     int lastarg;
 359     int exit_status = 1;
 360
 361     for (i = 1; i < argc; i++) {
 362         lastarg = (i == (argc-1));
 363
 364         if (!strcmp(argv[i],"-c")) {
 365             if (lastarg) goto invalid;
 366             config.numclients = atoi(argv[++i]);
 367         } else if (!strcmp(argv[i],"-n")) {
 368             if (lastarg) goto invalid;
 369             config.requests = atoi(argv[++i]);
 370         } else if (!strcmp(argv[i],"-k")) {
 371             if (lastarg) goto invalid;
 372             config.keepalive = atoi(argv[++i]);
 373         } else if (!strcmp(argv[i],"-h")) {
 374             if (lastarg) goto invalid;
 375             config.hostip = strdup(argv[++i]);
 376         } else if (!strcmp(argv[i],"-p")) {
 377             if (lastarg) goto invalid;
 378             config.hostport = atoi(argv[++i]);
 379         } else if (!strcmp(argv[i],"-s")) {
 380             if (lastarg) goto invalid;
 381             config.hostsocket = strdup(argv[++i]);
 382         } else if (!strcmp(argv[i],"-d")) {
 383             if (lastarg) goto invalid;
 384             config.datasize = atoi(argv[++i]);
 385             if (config.datasize < 1) config.datasize=1;
 386             if (config.datasize > 1024*1024*1024) config.datasize = 1024*1024*1024;
 387         } else if (!strcmp(argv[i],"-P")) {
 388             if (lastarg) goto invalid;
 389             config.pipeline = atoi(argv[++i]);
 390             if (config.pipeline <= 0) config.pipeline=1;
 391         } else if (!strcmp(argv[i],"-r")) {
 392             if (lastarg) goto invalid;
 393             config.randomkeys = 1;
 394             config.randomkeys_keyspacelen = atoi(argv[++i]);
 395             if (config.randomkeys_keyspacelen < 0)
 396                 config.randomkeys_keyspacelen = 0;
 397         } else if (!strcmp(argv[i],"-q")) {
 398             config.quiet = 1;
 399         } else if (!strcmp(argv[i],"--csv")) {
 400             config.csv = 1;
 401         } else if (!strcmp(argv[i],"-l")) {
 402             config.loop = 1;
 403         } else if (!strcmp(argv[i],"-I")) {
 404             config.idlemode = 1;
 405         } else if (!strcmp(argv[i],"-t")) {
 406             if (lastarg) goto invalid;
 407             /* We get the list of tests to run as a string in the form
 408              * get,set,lrange,...,test_N. Then we add a comma before and
 409              * after the string in order to make sure that searching
 410              * for ",testname," will always get a match if the test is
 411              * enabled. */
 412             config.tests = sdsnew(",");
 413             config.tests = sdscat(config.tests,(char*)argv[++i]);
 414             config.tests = sdscat(config.tests,",");
 415             sdstolower(config.tests);
 416         } else if (!strcmp(argv[i],"--help")) {
 417             exit_status = 0;
 418             goto usage;
 419         } else {
 420             /* Assume the user meant to provide an option when the arg starts
 421              * with a dash. We're done otherwise and should use the remainder
 422              * as the command and arguments for running the benchmark. */
 423             if (argv[i][0] == '-') goto invalid;
 424             return i;
 425         }
 426     }
 427
 428     return i;
 429
 430 invalid:
 431     printf("Invalid option \"%s\" or option argument missing\n\n",argv[i]);
 432
 433 usage:
 434     printf(
 435 "Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n"
 436 " -h <hostname>      Server hostname (default 127.0.0.1)\n"
 437 " -p <port>          Server port (default 6379)\n"
 438 " -s <socket>        Server socket (overrides host and port)\n"
 439 " -c <clients>       Number of parallel connections (default 50)\n"
 440 " -n <requests>      Total number of requests (default 10000)\n"
 441 " -d <size>          Data size of SET/GET value in bytes (default 2)\n"
 442 " -k <boolean>       1=keep alive 0=reconnect (default 1)\n"
 443 " -r <keyspacelen>   Use random keys for SET/GET/INCR, random values for SADD\n"
 444 "  Using this option the benchmark will get/set keys\n"
 445 "  in the form mykey_rand:000000012456 instead of constant\n"
 446 "  keys, the <keyspacelen> argument determines the max\n"
 447 "  number of values for the random number. For instance\n"
 448 "  if set to 10 only rand:000000000000 - rand:000000000009\n"
 449 "  range will be allowed.\n"
 450 " -P <numreq>        Pipeline <numreq> requests. Default 1 (no pipeline).\n"
 451 " -q                 Quiet. Just show query/sec values\n"
 452 " --csv              Output in CSV format\n"
 453 " -l                 Loop. Run the tests forever\n"
 454 " -t <tests>         Only run the comma separated list of tests. The test\n"
 455 "                    names are the same as the ones produced as output.\n"
 456 " -I                 Idle mode. Just open N idle connections and wait.\n\n"
 457 "Examples:\n\n"
 458 " Run the benchmark with the default configuration against 127.0.0.1:6379:\n"
 459 "   $ redis-benchmark\n\n"
 460 " Use 20 parallel clients, for a total of 100k requests, against 192.168.1.1:\n"
 461 "   $ redis-benchmark -h 192.168.1.1 -p 6379 -n 100000 -c 20\n\n"
 462 " Fill 127.0.0.1:6379 with about 1 million keys only using the SET test:\n"
 463 "   $ redis-benchmark -t set -n 1000000 -r 100000000\n\n"
 464 " Benchmark 127.0.0.1:6379 for a few commands producing CSV output:\n"
 465 "   $ redis-benchmark -t ping,set,get -n 100000 --csv\n\n"
 466 " Fill a list with 10000 random elements:\n"
 467 "   $ redis-benchmark -r 10000 -n 10000 lpush mylist ele:rand:000000000000\n\n"
 468     );
 469     exit(exit_status);
 470 }
 471
 472 int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) {
 473     REDIS_NOTUSED(eventLoop);
 474     REDIS_NOTUSED(id);
 475     REDIS_NOTUSED(clientData);
 476
 477     if (config.csv) return 250;
 478     float dt = (float)(mstime()-config.start)/1000.0;
 479     float rps = (float)config.requests_finished/dt;
 480     printf("%s: %.2f\r", config.title, rps);
 481     fflush(stdout);
 482     return 250; /* every 250ms */
 483 }
 484
 485 /* Return true if the named test was selected using the -t command line
 486  * switch, or if all the tests are selected (no -t passed by user). */
 487 int test_is_selected(char *name) {
 488     char buf[256];
 489     int l = strlen(name);
 490
 491     if (config.tests == NULL) return 1;
 492     buf[0] = ',';
 493     memcpy(buf+1,name,l);
 494     buf[l+1] = ',';
 495     buf[l+2] = '\0';
 496     return strstr(config.tests,buf) != NULL;
 497 }
 498
 499 int main(int argc, const char **argv) {
 500     int i;
 501     char *data, *cmd;
 502     int len;
 503
 504     client c;
 505
 506     signal(SIGHUP, SIG_IGN);
 507     signal(SIGPIPE, SIG_IGN);
 508
 509     config.numclients = 50;
 510     config.requests = 10000;
 511     config.liveclients = 0;
 512     config.el = aeCreateEventLoop(1024*10);
 513     aeCreateTimeEvent(config.el,1,showThroughput,NULL,NULL);
 514     config.keepalive = 1;
 515     config.datasize = 3;
 516     config.pipeline = 1;
 517     config.randomkeys = 0;
 518     config.randomkeys_keyspacelen = 0;
 519     config.quiet = 0;
 520     config.csv = 0;
 521     config.loop = 0;
 522     config.idlemode = 0;
 523     config.latency = NULL;
 524     config.clients = listCreate();
 525     config.hostip = "127.0.0.1";
 526     config.hostport = 6379;
 527     config.hostsocket = NULL;
 528     config.tests = NULL;
 529
 530     i = parseOptions(argc,argv);
 531     argc -= i;
 532     argv += i;
 533
 534     config.latency = zmalloc(sizeof(long long)*config.requests);
 535
 536     if (config.keepalive == 0) {
 537         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");
 538     }
 539
 540     if (config.idlemode) {
 541         printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients);
 542         c = createClient("",0); /* will never receive a reply */
 543         createMissingClients(c);
 544         aeMain(config.el);
 545         /* and will wait for every */
 546     }
 547
 548     /* Run benchmark with command in the remainder of the arguments. */
 549     if (argc) {
 550         sds title = sdsnew(argv[0]);
 551         for (i = 1; i < argc; i++) {
 552             title = sdscatlen(title, " ", 1);
 553             title = sdscatlen(title, (char*)argv[i], strlen(argv[i]));
 554         }
 555
 556         do {
 557             len = redisFormatCommandArgv(&cmd,argc,argv,NULL);
 558             benchmark(title,cmd,len);
 559             free(cmd);
 560         } while(config.loop);
 561
 562         return 0;
 563     }
 564
 565     /* Run default benchmark suite. */
 566     do {
 567         data = zmalloc(config.datasize+1);
 568         memset(data,'x',config.datasize);
 569         data[config.datasize] = '\0';
 570
 571         if (test_is_selected("ping_inline") || test_is_selected("ping"))
 572             benchmark("PING_INLINE","PING\r\n",6);
 573
 574         if (test_is_selected("ping_mbulk") || test_is_selected("ping")) {
 575             len = redisFormatCommand(&cmd,"PING");
 576             benchmark("PING_BULK",cmd,len);
 577             free(cmd);
 578         }
 579
 580         if (test_is_selected("set")) {
 581             len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data);
 582             benchmark("SET",cmd,len);
 583             free(cmd);
 584         }
 585
 586         if (test_is_selected("get")) {
 587             len = redisFormatCommand(&cmd,"GET foo:rand:000000000000");
 588             benchmark("GET",cmd,len);
 589             free(cmd);
 590         }
 591
 592         if (test_is_selected("incr")) {
 593             len = redisFormatCommand(&cmd,"INCR counter:rand:000000000000");
 594             benchmark("INCR",cmd,len);
 595             free(cmd);
 596         }
 597
 598         if (test_is_selected("lpush")) {
 599             len = redisFormatCommand(&cmd,"LPUSH mylist %s",data);
 600             benchmark("LPUSH",cmd,len);
 601             free(cmd);
 602         }
 603
 604         if (test_is_selected("lpop")) {
 605             len = redisFormatCommand(&cmd,"LPOP mylist");
 606             benchmark("LPOP",cmd,len);
 607             free(cmd);
 608         }
 609
 610         if (test_is_selected("sadd")) {
 611             len = redisFormatCommand(&cmd,
 612                 "SADD myset counter:rand:000000000000");
 613             benchmark("SADD",cmd,len);
 614             free(cmd);
 615         }
 616
 617         if (test_is_selected("spop")) {
 618             len = redisFormatCommand(&cmd,"SPOP myset");
 619             benchmark("SPOP",cmd,len);
 620             free(cmd);
 621         }
 622
 623         if (test_is_selected("lrange") ||
 624             test_is_selected("lrange_100") ||
 625             test_is_selected("lrange_300") ||
 626             test_is_selected("lrange_500") ||
 627             test_is_selected("lrange_600"))
 628         {
 629             len = redisFormatCommand(&cmd,"LPUSH mylist %s",data);
 630             benchmark("LPUSH (needed to benchmark LRANGE)",cmd,len);
 631             free(cmd);
 632         }
 633
 634         if (test_is_selected("lrange") || test_is_selected("lrange_100")) {
 635             len = redisFormatCommand(&cmd,"LRANGE mylist 0 99");
 636             benchmark("LRANGE_100 (first 100 elements)",cmd,len);
 637             free(cmd);
 638         }
 639
 640         if (test_is_selected("lrange") || test_is_selected("lrange_300")) {
 641             len = redisFormatCommand(&cmd,"LRANGE mylist 0 299");
 642             benchmark("LRANGE_300 (first 300 elements)",cmd,len);
 643             free(cmd);
 644         }
 645
 646         if (test_is_selected("lrange") || test_is_selected("lrange_500")) {
 647             len = redisFormatCommand(&cmd,"LRANGE mylist 0 449");
 648             benchmark("LRANGE_500 (first 450 elements)",cmd,len);
 649             free(cmd);
 650         }
 651
 652         if (test_is_selected("lrange") || test_is_selected("lrange_600")) {
 653             len = redisFormatCommand(&cmd,"LRANGE mylist 0 599");
 654             benchmark("LRANGE_600 (first 600 elements)",cmd,len);
 655             free(cmd);
 656         }
 657
 658         if (test_is_selected("mset")) {
 659             const char *argv[21];
 660             argv[0] = "MSET";
 661             for (i = 1; i < 21; i += 2) {
 662                 argv[i] = "foo:rand:000000000000";
 663                 argv[i+1] = data;
 664             }
 665             len = redisFormatCommandArgv(&cmd,21,argv,NULL);
 666             benchmark("MSET (10 keys)",cmd,len);
 667             free(cmd);
 668         }
 669
 670         if (!config.csv) printf("\n");
 671     } while(config.loop);
 672
 673     return 0;
 674 }