postpone the AOF fsync if policy is everysec and there is a background fsync already...

[redis.git] / src / redis-benchmark.c

diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c
index 5e40c97b50a4f108fee81dba786ed506dd7245d7..7295dc32a6d31cf4ef6fa03183ab163ce5e2a409 100644 (file)
--- a/src/redis-benchmark.c
+++ b/src/redis-benchmark.c
@@ -45,14 +45,13 @@
 #include "adlist.h"
 #include "zmalloc.h"
 
 #include "adlist.h"
 #include "zmalloc.h"
 

-#define CLIENT_CONNECTING 0
-#define CLIENT_SENDQUERY 1
-#define CLIENT_READREPLY 2
-

 #define REDIS_NOTUSED(V) ((void) V)
 
 static struct config {
 #define REDIS_NOTUSED(V) ((void) V)
 
 static struct config {

-    int debug;
+    aeEventLoop *el;
+    const char *hostip;
+    int hostport;
+    const char *hostsocket;

     int numclients;
     int requests;
     int liveclients;
     int numclients;
     int requests;
     int liveclients;


@@ -61,15 +60,11 @@ static struct config {
     int datasize;
     int randomkeys;
     int randomkeys_keyspacelen;
     int datasize;
     int randomkeys;
     int randomkeys_keyspacelen;

-    aeEventLoop *el;
-    char *hostip;
-    int hostport;
-    char *hostsocket;

     int keepalive;
     long long start;
     long long totlatency;
     long long *latency;
     int keepalive;
     long long start;
     long long totlatency;
     long long *latency;

-    char *title;
+    const char *title;

     list *clients;
     int quiet;
     int loop;
     list *clients;
     int quiet;
     int loop;


@@ -78,10 +73,10 @@ static struct config {
 
 typedef struct _client {
     redisContext *context;
 
 typedef struct _client {
     redisContext *context;

-    int state;

     sds obuf;
     sds obuf;

+    char *randptr[10]; /* needed for MSET against 10 keys */
+    size_t randlen;

     unsigned int written; /* bytes of 'obuf' already written */
     unsigned int written; /* bytes of 'obuf' already written */

-    int replytype;

     long long start; /* start time of a request */
     long long latency; /* request latency */
 } *client;
     long long start; /* start time of a request */
     long long latency; /* request latency */
 } *client;


@@ -139,22 +134,17 @@ static void resetClient(client c) {
     aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE);
     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
     c->written = 0;
     aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE);
     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
     c->written = 0;

-    c->state = CLIENT_SENDQUERY;
-    c->start = ustime();
-    c->latency = -1;

 }
 
 static void randomizeClientKey(client c) {
 }
 
 static void randomizeClientKey(client c) {

-    char *p;

     char buf[32];
     char buf[32];

-    long r;
-
-    p = strstr(c->obuf, "_rand");
-    if (!p) return;
-    p += 5;
-    r = random() % config.randomkeys_keyspacelen;
-    sprintf(buf,"%ld",r);
-    memcpy(p,buf,strlen(buf));
+    size_t i, r;
+
+    for (i = 0; i < c->randlen; i++) {
+        r = random() % config.randomkeys_keyspacelen;
+        snprintf(buf,sizeof(buf),"%012zu",r);
+        memcpy(c->randptr[i],buf,12);
+    }

 }
 
 static void clientDone(client c) {
 }
 
 static void clientDone(client c) {


@@ -165,7 +155,6 @@ static void clientDone(client c) {
     }
     if (config.keepalive) {
         resetClient(c);
     }
     if (config.keepalive) {
         resetClient(c);

-        if (config.randomkeys) randomizeClientKey(c);

     } else {
         config.liveclients--;
         createMissingClients(c);
     } else {
         config.liveclients--;
         createMissingClients(c);


@@ -213,11 +202,13 @@ static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
     REDIS_NOTUSED(fd);
     REDIS_NOTUSED(mask);
 
     REDIS_NOTUSED(fd);
     REDIS_NOTUSED(mask);
 

-    if (c->state == CLIENT_CONNECTING) {
-        c->state = CLIENT_SENDQUERY;
+    /* When nothing was written yet, randomize keys and set start time. */
+    if (c->written == 0) {
+        if (config.randomkeys) randomizeClientKey(c);

         c->start = ustime();
         c->latency = -1;
     }
         c->start = ustime();
         c->latency = -1;
     }

+

     if (sdslen(c->obuf) > c->written) {
         void *ptr = c->obuf+c->written;
         int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written);
     if (sdslen(c->obuf) > c->written) {
         void *ptr = c->obuf+c->written;
         int nwritten = write(c->context->fd,ptr,sdslen(c->obuf)-c->written);


@@ -231,12 +222,11 @@ static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
         if (sdslen(c->obuf) == c->written) {
             aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
             aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c);
         if (sdslen(c->obuf) == c->written) {
             aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
             aeCreateFileEvent(config.el,c->context->fd,AE_READABLE,readHandler,c);

-            c->state = CLIENT_READREPLY;

         }
     }
 }
 
         }
     }
 }
 

-static client createClient(int replytype) {
+static client createClient(const char *cmd, size_t len) {

     client c = zmalloc(sizeof(struct _client));
     if (config.hostsocket == NULL) {
         c->context = redisConnectNonBlock(config.hostip,config.hostport);
     client c = zmalloc(sizeof(struct _client));
     if (config.hostsocket == NULL) {
         c->context = redisConnectNonBlock(config.hostip,config.hostport);


@@ -251,10 +241,22 @@ static client createClient(int replytype) {
             fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr);
         exit(1);
     }
             fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr);
         exit(1);
     }

-    c->replytype = replytype;
-    c->state = CLIENT_CONNECTING;
-    c->obuf = sdsempty();
+    c->obuf = sdsnewlen(cmd,len);
+    c->randlen = 0;

     c->written = 0;
     c->written = 0;

+
+    /* Find substrings in the output buffer that need to be randomized. */
+    if (config.randomkeys) {
+        char *p = c->obuf, *newline;
+        while ((p = strstr(p,":rand:")) != NULL) {
+            newline = strstr(p,"\r\n");
+            assert(newline-(p+6) == 12); /* 12 chars for randomness */
+            assert(c->randlen < (signed)(sizeof(c->randptr)/sizeof(char*)));
+            c->randptr[c->randlen++] = p+6;
+            p = newline+2;
+        }
+    }
+

     redisSetReplyObjectFunctions(c->context,NULL);
     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
     listAddNodeTail(config.clients,c);
     redisSetReplyObjectFunctions(c->context,NULL);
     aeCreateFileEvent(config.el,c->context->fd,AE_WRITABLE,writeHandler,c);
     listAddNodeTail(config.clients,c);


@@ -263,11 +265,16 @@ static client createClient(int replytype) {
 }
 
 static void createMissingClients(client c) {
 }
 
 static void createMissingClients(client c) {

+    int n = 0;
+

     while(config.liveclients < config.numclients) {
     while(config.liveclients < config.numclients) {

-        client new = createClient(c->replytype);
-        sdsfree(new->obuf);
-        new->obuf = sdsdup(c->obuf);
-        if (config.randomkeys) randomizeClientKey(c);
+        createClient(c->obuf,sdslen(c->obuf));
+
+        /* Listen backlog is quite limited on most systems */
+        if (++n > 64) {
+            usleep(50000);
+            n = 0;
+        }

     }
 }
 
     }
 }
 


@@ -303,85 +310,104 @@ static void showLatencyReport(void) {
     }
 }
 
     }
 }
 

-static void prepareForBenchmark(char *title) {
+static void benchmark(const char *title, const char *cmd, int len) {
+    client c;
+

     config.title = title;
     config.title = title;

-    config.start = mstime();

     config.donerequests = 0;
     config.donerequests = 0;

-}

 
 

-static void endBenchmark(void) {
+    c = createClient(cmd,len);
+    createMissingClients(c);
+
+    config.start = mstime();
+    aeMain(config.el);

     config.totlatency = mstime()-config.start;
     config.totlatency = mstime()-config.start;

+

     showLatencyReport();
     freeAllClients();
 }
 
     showLatencyReport();
     freeAllClients();
 }
 

-void parseOptions(int argc, char **argv) {
+/* Returns number of consumed options. */
+int parseOptions(int argc, const char **argv) {

     int i;
     int i;

+    int lastarg;
+    int exit_status = 1;

 
     for (i = 1; i < argc; i++) {
 
     for (i = 1; i < argc; i++) {

-        int lastarg = i==argc-1;
-        
-        if (!strcmp(argv[i],"-c") && !lastarg) {
-            config.numclients = atoi(argv[i+1]);
-            i++;
-        } else if (!strcmp(argv[i],"-n") && !lastarg) {
-            config.requests = atoi(argv[i+1]);
-            i++;
-        } else if (!strcmp(argv[i],"-k") && !lastarg) {
-            config.keepalive = atoi(argv[i+1]);
-            i++;
-        } else if (!strcmp(argv[i],"-h") && !lastarg) {
-            config.hostip = argv[i+1];
-            i++;
-        } else if (!strcmp(argv[i],"-p") && !lastarg) {
-            config.hostport = atoi(argv[i+1]);
-            i++;
-        } else if (!strcmp(argv[i],"-s") && !lastarg) {
-            config.hostsocket = argv[i+1];
-            i++;
-        } else if (!strcmp(argv[i],"-d") && !lastarg) {
-            config.datasize = atoi(argv[i+1]);
-            i++;
+        lastarg = (i == (argc-1));
+
+        if (!strcmp(argv[i],"-c")) {
+            if (lastarg) goto invalid;
+            config.numclients = atoi(argv[++i]);
+        } else if (!strcmp(argv[i],"-n")) {
+            if (lastarg) goto invalid;
+            config.requests = atoi(argv[++i]);
+        } else if (!strcmp(argv[i],"-k")) {
+            if (lastarg) goto invalid;
+            config.keepalive = atoi(argv[++i]);
+        } else if (!strcmp(argv[i],"-h")) {
+            if (lastarg) goto invalid;
+            config.hostip = strdup(argv[++i]);
+        } else if (!strcmp(argv[i],"-p")) {
+            if (lastarg) goto invalid;
+            config.hostport = atoi(argv[++i]);
+        } else if (!strcmp(argv[i],"-s")) {
+            if (lastarg) goto invalid;
+            config.hostsocket = strdup(argv[++i]);
+        } else if (!strcmp(argv[i],"-d")) {
+            if (lastarg) goto invalid;
+            config.datasize = atoi(argv[++i]);

             if (config.datasize < 1) config.datasize=1;
             if (config.datasize > 1024*1024) config.datasize = 1024*1024;
             if (config.datasize < 1) config.datasize=1;
             if (config.datasize > 1024*1024) config.datasize = 1024*1024;

-        } else if (!strcmp(argv[i],"-r") && !lastarg) {
+        } else if (!strcmp(argv[i],"-r")) {
+            if (lastarg) goto invalid;

             config.randomkeys = 1;
             config.randomkeys = 1;

-            config.randomkeys_keyspacelen = atoi(argv[i+1]);
+            config.randomkeys_keyspacelen = atoi(argv[++i]);

             if (config.randomkeys_keyspacelen < 0)
                 config.randomkeys_keyspacelen = 0;
             if (config.randomkeys_keyspacelen < 0)
                 config.randomkeys_keyspacelen = 0;

-            i++;

         } else if (!strcmp(argv[i],"-q")) {
             config.quiet = 1;
         } else if (!strcmp(argv[i],"-l")) {
             config.loop = 1;
         } else if (!strcmp(argv[i],"-q")) {
             config.quiet = 1;
         } else if (!strcmp(argv[i],"-l")) {
             config.loop = 1;

-        } else if (!strcmp(argv[i],"-D")) {
-            config.debug = 1;

         } else if (!strcmp(argv[i],"-I")) {
             config.idlemode = 1;
         } else if (!strcmp(argv[i],"-I")) {
             config.idlemode = 1;

+        } else if (!strcmp(argv[i],"--help")) {
+            exit_status = 0;
+            goto usage;

         } else {
         } else {

-            printf("Wrong option '%s' or option argument missing\n\n",argv[i]);
-            printf("Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n");
-            printf(" -h <hostname>      Server hostname (default 127.0.0.1)\n");
-            printf(" -p <port>          Server port (default 6379)\n");
-            printf(" -s <socket>        Server socket (overrides host and port)\n");
-            printf(" -c <clients>       Number of parallel connections (default 50)\n");
-            printf(" -n <requests>      Total number of requests (default 10000)\n");
-            printf(" -d <size>          Data size of SET/GET value in bytes (default 2)\n");
-            printf(" -k <boolean>       1=keep alive 0=reconnect (default 1)\n");
-            printf(" -r <keyspacelen>   Use random keys for SET/GET/INCR, random values for SADD\n");
-            printf("  Using this option the benchmark will get/set keys\n");
-            printf("  in the form mykey_rand000000012456 instead of constant\n");
-            printf("  keys, the <keyspacelen> argument determines the max\n");
-            printf("  number of values for the random number. For instance\n");
-            printf("  if set to 10 only rand000000000000 - rand000000000009\n");
-            printf("  range will be allowed.\n");
-            printf(" -q                 Quiet. Just show query/sec values\n");
-            printf(" -l                 Loop. Run the tests forever\n");
-            printf(" -I                 Idle mode. Just open N idle connections and wait.\n");
-            printf(" -D                 Debug mode. more verbose.\n");
-            exit(1);
+            /* Assume the user meant to provide an option when the arg starts
+             * with a dash. We're done otherwise and should use the remainder
+             * as the command and arguments for running the benchmark. */
+            if (argv[i][0] == '-') goto invalid;
+            return i;

         }
     }
         }
     }

+
+    return i;
+
+invalid:
+    printf("Invalid option \"%s\" or option argument missing\n\n",argv[i]);
+
+usage:
+    printf("Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n");
+    printf(" -h <hostname>      Server hostname (default 127.0.0.1)\n");
+    printf(" -p <port>          Server port (default 6379)\n");
+    printf(" -s <socket>        Server socket (overrides host and port)\n");
+    printf(" -c <clients>       Number of parallel connections (default 50)\n");
+    printf(" -n <requests>      Total number of requests (default 10000)\n");
+    printf(" -d <size>          Data size of SET/GET value in bytes (default 2)\n");
+    printf(" -k <boolean>       1=keep alive 0=reconnect (default 1)\n");
+    printf(" -r <keyspacelen>   Use random keys for SET/GET/INCR, random values for SADD\n");
+    printf("  Using this option the benchmark will get/set keys\n");
+    printf("  in the form mykey_rand000000012456 instead of constant\n");
+    printf("  keys, the <keyspacelen> argument determines the max\n");
+    printf("  number of values for the random number. For instance\n");
+    printf("  if set to 10 only rand000000000000 - rand000000000009\n");
+    printf("  range will be allowed.\n");
+    printf(" -q                 Quiet. Just show query/sec values\n");
+    printf(" -l                 Loop. Run the tests forever\n");
+    printf(" -I                 Idle mode. Just open N idle connections and wait.\n");
+    exit(exit_status);

 }
 
 int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) {
 }
 
 int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) {


@@ -396,13 +422,16 @@ int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData
     return 250; /* every 250ms */
 }
 
     return 250; /* every 250ms */
 }
 

-int main(int argc, char **argv) {
+int main(int argc, const char **argv) {
+    int i;
+    char *data, *cmd;
+    int len;
+

     client c;
 
     signal(SIGHUP, SIG_IGN);
     signal(SIGPIPE, SIG_IGN);
 
     client c;
 
     signal(SIGHUP, SIG_IGN);
     signal(SIGPIPE, SIG_IGN);
 

-    config.debug = 0;

     config.numclients = 50;
     config.requests = 10000;
     config.liveclients = 0;
     config.numclients = 50;
     config.requests = 10000;
     config.liveclients = 0;


@@ -422,7 +451,10 @@ int main(int argc, char **argv) {
     config.hostport = 6379;
     config.hostsocket = NULL;
 
     config.hostport = 6379;
     config.hostsocket = NULL;
 

-    parseOptions(argc,argv);
+    i = parseOptions(argc,argv);
+    argc -= i;
+    argv += i;
+

     config.latency = zmalloc(sizeof(long long)*config.requests);
 
     if (config.keepalive == 0) {
     config.latency = zmalloc(sizeof(long long)*config.requests);
 
     if (config.keepalive == 0) {


@@ -431,137 +463,98 @@ int main(int argc, char **argv) {
 
     if (config.idlemode) {
         printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients);
 
     if (config.idlemode) {
         printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients);

-        prepareForBenchmark("IDLE");
-        c = createClient(0); /* will never receive a reply */
-        c->obuf = sdsempty();
+        c = createClient("",0); /* will never receive a reply */

         createMissingClients(c);
         aeMain(config.el);
         /* and will wait for every */
     }
 
         createMissingClients(c);
         aeMain(config.el);
         /* and will wait for every */
     }
 

+    /* Run benchmark with command in the remainder of the arguments. */
+    if (argc) {
+        sds title = sdsnew(argv[0]);
+        for (i = 1; i < argc; i++) {
+            title = sdscatlen(title, " ", 1);
+            title = sdscatlen(title, (char*)argv[i], strlen(argv[i]));
+        }
+
+        do {
+            len = redisFormatCommandArgv(&cmd,argc,argv,NULL);
+            benchmark(title,cmd,len);
+            free(cmd);
+        } while(config.loop);
+
+        return 0;
+    }
+
+    /* Run default benchmark suite. */

     do {
     do {

-        prepareForBenchmark("PING");
-        c = createClient(REDIS_REPLY_STATUS);
-        c->obuf = sdscat(c->obuf,"PING\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        data = zmalloc(config.datasize+1);
+        memset(data,'x',config.datasize);
+        data[config.datasize] = '\0';

 
 

-        prepareForBenchmark("PING (multi bulk)");
-        c = createClient(REDIS_REPLY_STATUS);
-        c->obuf = sdscat(c->obuf,"*1\r\n$4\r\nPING\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
-
-        prepareForBenchmark("MSET (10 keys, multi bulk)");
-        c = createClient(REDIS_REPLY_ARRAY);
-        c->obuf = sdscatprintf(c->obuf,"*%d\r\n$4\r\nMSET\r\n", 11);
-        {
-            int i;
-            char *data = zmalloc(config.datasize+1);
-            memset(data,'x',config.datasize);
-            data[config.datasize] = '\0';
-            for (i = 0; i < 10; i++) {
-                c->obuf = sdscatprintf(c->obuf,"$%d\r\n%s\r\n",config.datasize,data);
-            }
-            zfree(data);
-        }
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
-
-        prepareForBenchmark("SET");
-        c = createClient(REDIS_REPLY_STATUS);
-        c->obuf = sdscat(c->obuf,"*3\r\n$3\r\nSET\r\n$20\r\nfoo_rand000000000000\r\n");
-        {
-            char *data = zmalloc(config.datasize+2);
-            memset(data,'x',config.datasize);
-            data[config.datasize] = '\r';
-            data[config.datasize+1] = '\n';
-            c->obuf = sdscatprintf(c->obuf,"$%d\r\n",config.datasize);
-            c->obuf = sdscatlen(c->obuf,data,config.datasize+2);
+        benchmark("PING (inline)","PING\r\n",6);
+
+        len = redisFormatCommand(&cmd,"PING");
+        benchmark("PING",cmd,len);
+        free(cmd);
+
+        const char *argv[21];
+        argv[0] = "MSET";
+        for (i = 1; i < 21; i += 2) {
+            argv[i] = "foo:rand:000000000000";
+            argv[i+1] = data;

         }
         }

-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommandArgv(&cmd,21,argv,NULL);
+        benchmark("MSET (10 keys)",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("GET");
-        c = createClient(REDIS_REPLY_STRING);
-        c->obuf = sdscat(c->obuf,"GET foo_rand000000000000\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data);
+        benchmark("SET",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("INCR");
-        c = createClient(REDIS_REPLY_INTEGER);
-        c->obuf = sdscat(c->obuf,"INCR counter_rand000000000000\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"GET foo:rand:000000000000");
+        benchmark("GET",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LPUSH");
-        c = createClient(REDIS_REPLY_INTEGER);
-        c->obuf = sdscat(c->obuf,"LPUSH mylist bar\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"INCR counter:rand:000000000000");
+        benchmark("INCR",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LPOP");
-        c = createClient(REDIS_REPLY_STRING);
-        c->obuf = sdscat(c->obuf,"LPOP mylist\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"LPUSH mylist %s",data);
+        benchmark("LPUSH",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("SADD");
-        c = createClient(REDIS_REPLY_STATUS);
-        c->obuf = sdscat(c->obuf,"SADD myset counter_rand000000000000\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"LPOP mylist");
+        benchmark("LPOP",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("SPOP");
-        c = createClient(REDIS_REPLY_STRING);
-        c->obuf = sdscat(c->obuf,"SPOP myset\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"SADD myset counter:rand:000000000000");
+        benchmark("SADD",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LPUSH (again, in order to bench LRANGE)");
-        c = createClient(REDIS_REPLY_STATUS);
-        c->obuf = sdscat(c->obuf,"LPUSH mylist bar\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"SPOP myset");
+        benchmark("SPOP",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LRANGE (first 100 elements)");
-        c = createClient(REDIS_REPLY_ARRAY);
-        c->obuf = sdscat(c->obuf,"LRANGE mylist 0 99\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"LPUSH mylist %s",data);
+        benchmark("LPUSH (again, in order to bench LRANGE)",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LRANGE (first 300 elements)");
-        c = createClient(REDIS_REPLY_ARRAY);
-        c->obuf = sdscat(c->obuf,"LRANGE mylist 0 299\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"LRANGE mylist 0 99");
+        benchmark("LRANGE (first 100 elements)",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LRANGE (first 450 elements)");
-        c = createClient(REDIS_REPLY_ARRAY);
-        c->obuf = sdscat(c->obuf,"LRANGE mylist 0 449\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"LRANGE mylist 0 299");
+        benchmark("LRANGE (first 300 elements)",cmd,len);
+        free(cmd);

 
 

-        prepareForBenchmark("LRANGE (first 600 elements)");
-        c = createClient(REDIS_REPLY_ARRAY);
-        c->obuf = sdscat(c->obuf,"LRANGE mylist 0 599\r\n");
-        createMissingClients(c);
-        aeMain(config.el);
-        endBenchmark();
+        len = redisFormatCommand(&cmd,"LRANGE mylist 0 449");
+        benchmark("LRANGE (first 450 elements)",cmd,len);
+        free(cmd);
+
+        len = redisFormatCommand(&cmd,"LRANGE mylist 0 599");
+        benchmark("LRANGE (first 600 elements)",cmd,len);
+        free(cmd);

 
         printf("\n");
     } while(config.loop);
 
         printf("\n");
     } while(config.loop);