[redis.git] / benchmark.c

/* Redis benchmark utility.
 *
 * Copyright (c) 2006-2009, Salvatore Sanfilippo <antirez at gmail dot com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Redis nor the names of its contributors may be used
 *     to endorse or promote products derived from this software without
 *     specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/time.h>
#include <signal.h>
#include <assert.h>

#include "ae.h"
#include "anet.h"
#include "sds.h"
#include "adlist.h"
#include "zmalloc.h"

#define REPLY_INT 0
#define REPLY_RETCODE 1
#define REPLY_BULK 2

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

#define MAX_LATENCY 5000

#define REDIS_NOTUSED(V) ((void) V)

static struct config {
    int numclients;
    int requests;
    int liveclients;
    int donerequests;
    int keysize;
    int datasize;
    int randomkeys;
    int randomkeys_keyspacelen;
    aeEventLoop *el;
    char *hostip;
    int hostport;
    int keepalive;
    long long start;
    long long totlatency;
    int *latency;
    list *clients;
    int quiet;
    int loop;
} config;

typedef struct _client {
    int state;
    int fd;
    sds obuf;
    sds ibuf;
    int readlen;        /* readlen == -1 means read a single line */
    unsigned int written;        /* bytes of 'obuf' already written */
    int replytype;
    long long start;    /* start time in milliseconds */
} *client;

/* Prototypes */
static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask);
static void createMissingClients(client c);

/* Implementation */
static long long mstime(void) {
    struct timeval tv;
    long long mst;

    gettimeofday(&tv, NULL);
    mst = ((long)tv.tv_sec)*1000;
    mst += tv.tv_usec/1000;
    return mst;
}

static void freeClient(client c) {
    listNode *ln;

    aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
    aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
    sdsfree(c->ibuf);
    sdsfree(c->obuf);
    close(c->fd);
    zfree(c);
    config.liveclients--;
    ln = listSearchKey(config.clients,c);
    assert(ln != NULL);
    listDelNode(config.clients,ln);
}

static void freeAllClients(void) {
    listNode *ln = config.clients->head, *next;

    while(ln) {
        next = ln->next;
        freeClient(ln->value);
        ln = next;
    }
}

static void resetClient(client c) {
    aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
    aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
    aeCreateFileEvent(config.el,c->fd, AE_WRITABLE,writeHandler,c,NULL);
    sdsfree(c->ibuf);
    c->ibuf = sdsempty();
    c->readlen = (c->replytype == REPLY_BULK) ? -1 : 0;
    c->written = 0;
    c->state = CLIENT_SENDQUERY;
    c->start = mstime();
}

static void randomizeClientKey(client c) {
    char *p;
    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));
}

static void clientDone(client c) {
    long long latency;
    config.donerequests ++;
    latency = mstime() - c->start;
    if (latency > MAX_LATENCY) latency = MAX_LATENCY;
    config.latency[latency]++;

    if (config.donerequests == config.requests) {
        freeClient(c);
        aeStop(config.el);
        return;
    }
    if (config.keepalive) {
        resetClient(c);
        if (config.randomkeys) randomizeClientKey(c);
    } else {
        config.liveclients--;
        createMissingClients(c);
        config.liveclients++;
        freeClient(c);
    }
}

static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask)
{
    char buf[1024];
    int nread;
    client c = privdata;
    REDIS_NOTUSED(el);
    REDIS_NOTUSED(fd);
    REDIS_NOTUSED(mask);

    nread = read(c->fd, buf, 1024);
    if (nread == -1) {
        fprintf(stderr, "Reading from socket: %s\n", strerror(errno));
        freeClient(c);
        return;
    }
    if (nread == 0) {
        fprintf(stderr, "EOF from client\n");
        freeClient(c);
        return;
    }
    c->ibuf = sdscatlen(c->ibuf,buf,nread);

    if (c->replytype == REPLY_INT ||
        c->replytype == REPLY_RETCODE ||
        (c->replytype == REPLY_BULK && c->readlen == -1)) {
        char *p;

        if ((p = strchr(c->ibuf,'\n')) != NULL) {
            if (c->replytype == REPLY_BULK) {
                *p = '\0';
                *(p-1) = '\0';
                c->readlen = atoi(c->ibuf+1)+2;
                if (c->readlen-2 == -1) {
                    clientDone(c);
                    return;
                }
                c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1);
            } else {
                c->ibuf = sdstrim(c->ibuf,"\r\n");
                clientDone(c);
                return;
            }
        }
    }
    /* bulk read */
    if ((unsigned)c->readlen == sdslen(c->ibuf))
        clientDone(c);
}

static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask)
{
    client c = privdata;
    REDIS_NOTUSED(el);
    REDIS_NOTUSED(fd);
    REDIS_NOTUSED(mask);

    if (c->state == CLIENT_CONNECTING) {
        c->state = CLIENT_SENDQUERY;
        c->start = mstime();
    }
    if (sdslen(c->obuf) > c->written) {
        void *ptr = c->obuf+c->written;
        int len = sdslen(c->obuf) - c->written;
        int nwritten = write(c->fd, ptr, len);
        if (nwritten == -1) {
            fprintf(stderr, "Writing to socket: %s\n", strerror(errno));
            freeClient(c);
            return;
        }
        c->written += nwritten;
        if (sdslen(c->obuf) == c->written) {
            aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
            aeCreateFileEvent(config.el,c->fd,AE_READABLE,readHandler,c,NULL);
            c->state = CLIENT_READREPLY;
        }
    }
}

static client createClient(void) {
    client c = zmalloc(sizeof(struct _client));
    char err[ANET_ERR_LEN];

    c->fd = anetTcpNonBlockConnect(err,config.hostip,config.hostport);
    if (c->fd == ANET_ERR) {
        zfree(c);
        fprintf(stderr,"Connect: %s\n",err);
        return NULL;
    }
    anetTcpNoDelay(NULL,c->fd);
    c->obuf = sdsempty();
    c->ibuf = sdsempty();
    c->readlen = 0;
    c->written = 0;
    c->state = CLIENT_CONNECTING;
    aeCreateFileEvent(config.el, c->fd, AE_WRITABLE, writeHandler, c, NULL);
    config.liveclients++;
    listAddNodeTail(config.clients,c);
    return c;
}

static void createMissingClients(client c) {
    while(config.liveclients < config.numclients) {
        client new = createClient();
        if (!new) continue;
        sdsfree(new->obuf);
        new->obuf = sdsdup(c->obuf);
        if (config.randomkeys) randomizeClientKey(c);
        new->replytype = c->replytype;
        if (c->replytype == REPLY_BULK)
            new->readlen = -1;
    }
}

static void showLatencyReport(char *title) {
    int j, seen = 0;
    float perc, reqpersec;

    reqpersec = (float)config.donerequests/((float)config.totlatency/1000);
    if (!config.quiet) {
        printf("====== %s ======\n", title);
        printf("  %d requests completed in %.2f seconds\n", config.donerequests,
            (float)config.totlatency/1000);
        printf("  %d parallel clients\n", config.numclients);
        printf("  %d bytes payload\n", config.datasize);
        printf("  keep alive: %d\n", config.keepalive);
        printf("\n");
        for (j = 0; j <= MAX_LATENCY; j++) {
            if (config.latency[j]) {
                seen += config.latency[j];
                perc = ((float)seen*100)/config.donerequests;
                printf("%.2f%% <= %d milliseconds\n", perc, j);
            }
        }
        printf("%.2f requests per second\n\n", reqpersec);
    } else {
        printf("%s: %.2f requests per second\n", title, reqpersec);
    }
}

static void prepareForBenchmark(void)
{
    memset(config.latency,0,sizeof(int)*(MAX_LATENCY+1));
    config.start = mstime();
    config.donerequests = 0;
}

static void endBenchmark(char *title) {
    config.totlatency = mstime()-config.start;
    showLatencyReport(title);
    freeAllClients();
}

void parseOptions(int argc, char **argv) {
    int 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) {
            char *ip = zmalloc(32);
            if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
                printf("Can't resolve %s\n", argv[i]);
                exit(1);
            }
            config.hostip = ip;
            i++;
        } else if (!strcmp(argv[i],"-p") && !lastarg) {
            config.hostport = atoi(argv[i+1]);
            i++;
        } else if (!strcmp(argv[i],"-d") && !lastarg) {
            config.datasize = atoi(argv[i+1]);
            i++;
            if (config.datasize < 1) config.datasize=1;
            if (config.datasize > 1024*1024) config.datasize = 1024*1024;
        } else if (!strcmp(argv[i],"-r") && !lastarg) {
            config.randomkeys = 1;
            config.randomkeys_keyspacelen = atoi(argv[i+1]);
            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 {
            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 <hostname>      Server port (default 6379)\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\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");
            exit(1);
        }
    }
}

int main(int argc, char **argv) {
    client c;

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

    config.numclients = 50;
    config.requests = 10000;
    config.liveclients = 0;
    config.el = aeCreateEventLoop();
    config.keepalive = 1;
    config.donerequests = 0;
    config.datasize = 3;
    config.randomkeys = 0;
    config.randomkeys_keyspacelen = 0;
    config.quiet = 0;
    config.loop = 0;
    config.latency = NULL;
    config.clients = listCreate();
    config.latency = zmalloc(sizeof(int)*(MAX_LATENCY+1));

    config.hostip = "127.0.0.1";
    config.hostport = 6379;

    parseOptions(argc,argv);

    if (config.keepalive == 0) {
        printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' in order to use a lot of clients/requests\n");
    }

    do {
        prepareForBenchmark();
        c = createClient();
        if (!c) exit(1);
        c->obuf = sdscat(c->obuf,"PING\r\n");
        c->replytype = REPLY_RETCODE;
        createMissingClients(c);
        aeMain(config.el);
        endBenchmark("PING");

        prepareForBenchmark();
        c = createClient();
        if (!c) exit(1);
        c->obuf = sdscatprintf(c->obuf,"SET foo_rand000000000000 %d\r\n",config.datasize);
        {
            char *data = zmalloc(config.datasize+2);
            memset(data,'x',config.datasize);
            data[config.datasize] = '\r';
            data[config.datasize+1] = '\n';
            c->obuf = sdscatlen(c->obuf,data,config.datasize+2);
        }
        c->replytype = REPLY_RETCODE;
        createMissingClients(c);
        aeMain(config.el);
        endBenchmark("SET");

        prepareForBenchmark();
        c = createClient();
        if (!c) exit(1);
        c->obuf = sdscat(c->obuf,"GET foo_rand000000000000\r\n");
        c->replytype = REPLY_BULK;
        c->readlen = -1;
        createMissingClients(c);
        aeMain(config.el);
        endBenchmark("GET");

        prepareForBenchmark();
        c = createClient();
        if (!c) exit(1);
        c->obuf = sdscat(c->obuf,"INCR counter_rand000000000000\r\n");
        c->replytype = REPLY_INT;
        createMissingClients(c);
        aeMain(config.el);
        endBenchmark("INCR");

        prepareForBenchmark();
        c = createClient();
        if (!c) exit(1);
        c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n");
        c->replytype = REPLY_INT;
        createMissingClients(c);
        aeMain(config.el);
        endBenchmark("LPUSH");

        prepareForBenchmark();
        c = createClient();
        if (!c) exit(1);
        c->obuf = sdscat(c->obuf,"LPOP mylist\r\n");
        c->replytype = REPLY_BULK;
        c->readlen = -1;
        createMissingClients(c);
        aeMain(config.el);
        endBenchmark("LPOP");

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

    return 0;
}
Commit	Line	Data
ed9b544e	1	/* Redis benchmark utility.
	2	*
	3	* Copyright (c) 2006-2009, 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 <stdio.h>
	32	#include <string.h>
	33	#include <stdlib.h>
	34	#include <unistd.h>
	35	#include <errno.h>
	36	#include <sys/time.h>
	37	#include <signal.h>
	38	#include <assert.h>
	39
	40	#include "ae.h"
	41	#include "anet.h"
	42	#include "sds.h"
	43	#include "adlist.h"
	44	#include "zmalloc.h"
	45
	46	#define REPLY_INT 0
	47	#define REPLY_RETCODE 1
	48	#define REPLY_BULK 2
	49
	50	#define CLIENT_CONNECTING 0
	51	#define CLIENT_SENDQUERY 1
	52	#define CLIENT_READREPLY 2
	53
	54	#define MAX_LATENCY 5000
	55
	56	#define REDIS_NOTUSED(V) ((void) V)
	57
	58	static struct config {
	59	int numclients;
	60	int requests;
	61	int liveclients;
	62	int donerequests;
	63	int keysize;
	64	int datasize;
57172ffb	65	int randomkeys;
ecfaf6da	66	int randomkeys_keyspacelen;
ed9b544e	67	aeEventLoop *el;
	68	char *hostip;
	69	int hostport;
	70	int keepalive;
	71	long long start;
	72	long long totlatency;
	73	int *latency;
	74	list *clients;
	75	int quiet;
	76	int loop;
	77	} config;
	78
	79	typedef struct _client {
	80	int state;
	81	int fd;
	82	sds obuf;
	83	sds ibuf;
	84	int readlen; /* readlen == -1 means read a single line */
	85	unsigned int written; /* bytes of 'obuf' already written */
	86	int replytype;
	87	long long start; /* start time in milliseconds */
	88	} *client;
	89
	90	/* Prototypes */
	91	static void writeHandler(aeEventLoop el, int fd, void privdata, int mask);
	92	static void createMissingClients(client c);
	93
	94	/* Implementation */
	95	static long long mstime(void) {
	96	struct timeval tv;
	97	long long mst;
	98
	99	gettimeofday(&tv, NULL);
	100	mst = ((long)tv.tv_sec)*1000;
	101	mst += tv.tv_usec/1000;
	102	return mst;
	103	}
	104
	105	static void freeClient(client c) {
	106	listNode *ln;
	107
	108	aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
	109	aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
	110	sdsfree(c->ibuf);
	111	sdsfree(c->obuf);
	112	close(c->fd);
	113	zfree(c);
	114	config.liveclients--;
	115	ln = listSearchKey(config.clients,c);
	116	assert(ln != NULL);
	117	listDelNode(config.clients,ln);
	118	}
	119
	120	static void freeAllClients(void) {
	121	listNode ln = config.clients->head, next;
	122
	123	while(ln) {
	124	next = ln->next;
	125	freeClient(ln->value);
	126	ln = next;
	127	}
	128	}
	129
	130	static void resetClient(client c) {
131	aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
132	aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
133	aeCreateFileEvent(config.el,c->fd, AE_WRITABLE,writeHandler,c,NULL);
134	sdsfree(c->ibuf);
135	c->ibuf = sdsempty();
136	c->readlen = (c->replytype == REPLY_BULK) ? -1 : 0;
137	c->written = 0;
138	c->state = CLIENT_SENDQUERY;
139	c->start = mstime();
140	}
141
ecfaf6da	142	static void randomizeClientKey(client c) {
	143	char *p;
	144	char buf[32];
	145	long r;
	146
	147	p = strstr(c->obuf, "_rand");
	148	if (!p) return;
	149	p += 5;
	150	r = random() % config.randomkeys_keyspacelen;
	151	sprintf(buf,"%ld",r);
	152	memcpy(p,buf,strlen(buf));
	153	}
	154
ed9b544e	155	static void clientDone(client c) {
	156	long long latency;
	157	config.donerequests ++;
	158	latency = mstime() - c->start;
	159	if (latency > MAX_LATENCY) latency = MAX_LATENCY;
	160	config.latency[latency]++;
	161
	162	if (config.donerequests == config.requests) {
	163	freeClient(c);
	164	aeStop(config.el);
	165	return;
	166	}
	167	if (config.keepalive) {
	168	resetClient(c);
ecfaf6da	169	if (config.randomkeys) randomizeClientKey(c);
ed9b544e	170	} else {
	171	config.liveclients--;
	172	createMissingClients(c);
	173	config.liveclients++;
	174	freeClient(c);
	175	}
	176	}
	177
	178	static void readHandler(aeEventLoop el, int fd, void privdata, int mask)
	179	{
	180	char buf[1024];
	181	int nread;
	182	client c = privdata;
	183	REDIS_NOTUSED(el);
	184	REDIS_NOTUSED(fd);
	185	REDIS_NOTUSED(mask);
	186
	187	nread = read(c->fd, buf, 1024);
	188	if (nread == -1) {
	189	fprintf(stderr, "Reading from socket: %s\n", strerror(errno));
	190	freeClient(c);
	191	return;
	192	}
	193	if (nread == 0) {
	194	fprintf(stderr, "EOF from client\n");
	195	freeClient(c);
	196	return;
	197	}
	198	c->ibuf = sdscatlen(c->ibuf,buf,nread);
	199
	200	if (c->replytype == REPLY_INT \|\|
	201	c->replytype == REPLY_RETCODE \|\|
	202	(c->replytype == REPLY_BULK && c->readlen == -1)) {
	203	char *p;
	204
	205	if ((p = strchr(c->ibuf,'\n')) != NULL) {
	206	if (c->replytype == REPLY_BULK) {
	207	*p = '\0';
	208	*(p-1) = '\0';
4c26a79a	209	c->readlen = atoi(c->ibuf+1)+2;
ecfaf6da	210	if (c->readlen-2 == -1) {
ed9b544e	211	clientDone(c);
	212	return;
	213	}
ed9b544e	214	c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1);
	215	} else {
	216	c->ibuf = sdstrim(c->ibuf,"\r\n");
	217	clientDone(c);
	218	return;
	219	}
	220	}
	221	}
	222	/* bulk read */
	223	if ((unsigned)c->readlen == sdslen(c->ibuf))
	224	clientDone(c);
	225	}
	226
	227	static void writeHandler(aeEventLoop el, int fd, void privdata, int mask)
	228	{
	229	client c = privdata;
	230	REDIS_NOTUSED(el);
	231	REDIS_NOTUSED(fd);
	232	REDIS_NOTUSED(mask);
	233
	234	if (c->state == CLIENT_CONNECTING) {
	235	c->state = CLIENT_SENDQUERY;
	236	c->start = mstime();
	237	}
	238	if (sdslen(c->obuf) > c->written) {
	239	void *ptr = c->obuf+c->written;
	240	int len = sdslen(c->obuf) - c->written;
	241	int nwritten = write(c->fd, ptr, len);
	242	if (nwritten == -1) {
	243	fprintf(stderr, "Writing to socket: %s\n", strerror(errno));
	244	freeClient(c);
	245	return;
	246	}
	247	c->written += nwritten;
	248	if (sdslen(c->obuf) == c->written) {
	249	aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
	250	aeCreateFileEvent(config.el,c->fd,AE_READABLE,readHandler,c,NULL);
	251	c->state = CLIENT_READREPLY;
	252	}
	253	}
	254	}
	255
	256	static client createClient(void) {
	257	client c = zmalloc(sizeof(struct _client));
	258	char err[ANET_ERR_LEN];
	259
	260	c->fd = anetTcpNonBlockConnect(err,config.hostip,config.hostport);
	261	if (c->fd == ANET_ERR) {
	262	zfree(c);
	263	fprintf(stderr,"Connect: %s\n",err);
	264	return NULL;
	265	}
	266	anetTcpNoDelay(NULL,c->fd);
	267	c->obuf = sdsempty();
	268	c->ibuf = sdsempty();
	269	c->readlen = 0;
	270	c->written = 0;
	271	c->state = CLIENT_CONNECTING;
	272	aeCreateFileEvent(config.el, c->fd, AE_WRITABLE, writeHandler, c, NULL);
	273	config.liveclients++;
	274	listAddNodeTail(config.clients,c);
	275	return c;
	276	}
	277
278	static void createMissingClients(client c) {
279	while(config.liveclients < config.numclients) {
280	client new = createClient();
281	if (!new) continue;
282	sdsfree(new->obuf);
283	new->obuf = sdsdup(c->obuf);
ecfaf6da	284	if (config.randomkeys) randomizeClientKey(c);
ed9b544e	285	new->replytype = c->replytype;
	286	if (c->replytype == REPLY_BULK)
	287	new->readlen = -1;
	288	}
	289	}
	290
	291	static void showLatencyReport(char *title) {
	292	int j, seen = 0;
	293	float perc, reqpersec;
	294
	295	reqpersec = (float)config.donerequests/((float)config.totlatency/1000);
	296	if (!config.quiet) {
	297	printf("====== %s ======\n", title);
	298	printf(" %d requests completed in %.2f seconds\n", config.donerequests,
	299	(float)config.totlatency/1000);
	300	printf(" %d parallel clients\n", config.numclients);
	301	printf(" %d bytes payload\n", config.datasize);
	302	printf(" keep alive: %d\n", config.keepalive);
	303	printf("\n");
	304	for (j = 0; j <= MAX_LATENCY; j++) {
	305	if (config.latency[j]) {
	306	seen += config.latency[j];
	307	perc = ((float)seen*100)/config.donerequests;
	308	printf("%.2f%% <= %d milliseconds\n", perc, j);
	309	}
	310	}
	311	printf("%.2f requests per second\n\n", reqpersec);
	312	} else {
	313	printf("%s: %.2f requests per second\n", title, reqpersec);
	314	}
	315	}
	316
	317	static void prepareForBenchmark(void)
	318	{
	319	memset(config.latency,0,sizeof(int)*(MAX_LATENCY+1));
	320	config.start = mstime();
	321	config.donerequests = 0;
	322	}
	323
	324	static void endBenchmark(char *title) {
	325	config.totlatency = mstime()-config.start;
	326	showLatencyReport(title);
	327	freeAllClients();
	328	}
	329
	330	void parseOptions(int argc, char **argv) {
	331	int i;
	332
	333	for (i = 1; i < argc; i++) {
	334	int lastarg = i==argc-1;
	335
	336	if (!strcmp(argv[i],"-c") && !lastarg) {
	337	config.numclients = atoi(argv[i+1]);
	338	i++;
	339	} else if (!strcmp(argv[i],"-n") && !lastarg) {
	340	config.requests = atoi(argv[i+1]);
	341	i++;
	342	} else if (!strcmp(argv[i],"-k") && !lastarg) {
	343	config.keepalive = atoi(argv[i+1]);
	344	i++;
	345	} else if (!strcmp(argv[i],"-h") && !lastarg) {
	346	char *ip = zmalloc(32);
	347	if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
	348	printf("Can't resolve %s\n", argv[i]);
349	exit(1);
350	}
351	config.hostip = ip;
352	i++;
353	} else if (!strcmp(argv[i],"-p") && !lastarg) {
354	config.hostport = atoi(argv[i+1]);
355	i++;
356	} else if (!strcmp(argv[i],"-d") && !lastarg) {
357	config.datasize = atoi(argv[i+1]);
358	i++;
359	if (config.datasize < 1) config.datasize=1;
360	if (config.datasize > 10241024) config.datasize = 10241024;
ecfaf6da	361	} else if (!strcmp(argv[i],"-r") && !lastarg) {
57172ffb	362	config.randomkeys = 1;
ecfaf6da	363	config.randomkeys_keyspacelen = atoi(argv[i+1]);
	364	if (config.randomkeys_keyspacelen < 0)
	365	config.randomkeys_keyspacelen = 0;
	366	i++;
ed9b544e	367	} else if (!strcmp(argv[i],"-q")) {
	368	config.quiet = 1;
	369	} else if (!strcmp(argv[i],"-l")) {
	370	config.loop = 1;
	371	} else {
	372	printf("Wrong option '%s' or option argument missing\n\n",argv[i]);
	373	printf("Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n");
	374	printf(" -h <hostname> Server hostname (default 127.0.0.1)\n");
	375	printf(" -p <hostname> Server port (default 6379)\n");
	376	printf(" -c <clients> Number of parallel connections (default 50)\n");
	377	printf(" -n <requests> Total number of requests (default 10000)\n");
	378	printf(" -d <size> Data size of SET/GET value in bytes (default 2)\n");
	379	printf(" -k <boolean> 1=keep alive 0=reconnect (default 1)\n");
ecfaf6da	380	printf(" -r <keyspacelen> Use random keys for SET/GET/INCR\n");
	381	printf(" Using this option the benchmark will get/set keys\n");
	382	printf(" in the form mykey_rand000000012456 instead of constant\n");
	383	printf(" keys, the <keyspacelen> argument determines the max\n");
	384	printf(" number of values for the random number. For instance\n");
	385	printf(" if set to 10 only rand000000000000 - rand000000000009\n");
	386	printf(" range will be allowed.\n");
ed9b544e	387	printf(" -q Quiet. Just show query/sec values\n");
	388	printf(" -l Loop. Run the tests forever\n");
	389	exit(1);
	390	}
	391	}
	392	}
	393
	394	int main(int argc, char **argv) {
	395	client c;
	396
	397	signal(SIGHUP, SIG_IGN);
	398	signal(SIGPIPE, SIG_IGN);
	399
	400	config.numclients = 50;
	401	config.requests = 10000;
	402	config.liveclients = 0;
	403	config.el = aeCreateEventLoop();
	404	config.keepalive = 1;
	405	config.donerequests = 0;
	406	config.datasize = 3;
57172ffb	407	config.randomkeys = 0;
ecfaf6da	408	config.randomkeys_keyspacelen = 0;
ed9b544e	409	config.quiet = 0;
	410	config.loop = 0;
	411	config.latency = NULL;
	412	config.clients = listCreate();
	413	config.latency = zmalloc(sizeof(int)*(MAX_LATENCY+1));
	414
	415	config.hostip = "127.0.0.1";
	416	config.hostport = 6379;
	417
	418	parseOptions(argc,argv);
	419
	420	if (config.keepalive == 0) {
	421	printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' in order to use a lot of clients/requests\n");
	422	}
	423
	424	do {
	425	prepareForBenchmark();
	426	c = createClient();
	427	if (!c) exit(1);
	428	c->obuf = sdscat(c->obuf,"PING\r\n");
	429	c->replytype = REPLY_RETCODE;
	430	createMissingClients(c);
	431	aeMain(config.el);
	432	endBenchmark("PING");
	433
	434	prepareForBenchmark();
	435	c = createClient();
	436	if (!c) exit(1);
57172ffb	437	c->obuf = sdscatprintf(c->obuf,"SET foo_rand000000000000 %d\r\n",config.datasize);
ed9b544e	438	{
	439	char *data = zmalloc(config.datasize+2);
	440	memset(data,'x',config.datasize);
	441	data[config.datasize] = '\r';
	442	data[config.datasize+1] = '\n';
	443	c->obuf = sdscatlen(c->obuf,data,config.datasize+2);
	444	}
	445	c->replytype = REPLY_RETCODE;
	446	createMissingClients(c);
	447	aeMain(config.el);
	448	endBenchmark("SET");
	449
	450	prepareForBenchmark();
	451	c = createClient();
	452	if (!c) exit(1);
57172ffb	453	c->obuf = sdscat(c->obuf,"GET foo_rand000000000000\r\n");
ed9b544e	454	c->replytype = REPLY_BULK;
	455	c->readlen = -1;
	456	createMissingClients(c);
	457	aeMain(config.el);
	458	endBenchmark("GET");
	459
	460	prepareForBenchmark();
	461	c = createClient();
	462	if (!c) exit(1);
57172ffb	463	c->obuf = sdscat(c->obuf,"INCR counter_rand000000000000\r\n");
ed9b544e	464	c->replytype = REPLY_INT;
	465	createMissingClients(c);
	466	aeMain(config.el);
	467	endBenchmark("INCR");
	468
	469	prepareForBenchmark();
	470	c = createClient();
	471	if (!c) exit(1);
	472	c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n");
	473	c->replytype = REPLY_INT;
	474	createMissingClients(c);
	475	aeMain(config.el);
	476	endBenchmark("LPUSH");
	477
	478	prepareForBenchmark();
	479	c = createClient();
	480	if (!c) exit(1);
	481	c->obuf = sdscat(c->obuf,"LPOP mylist\r\n");
	482	c->replytype = REPLY_BULK;
	483	c->readlen = -1;
	484	createMissingClients(c);
	485	aeMain(config.el);
	486	endBenchmark("LPOP");
	487
	488	printf("\n");
	489	} while(config.loop);
	490
	491	return 0;
	492	}