/benchmark.c
C | 499 lines | 415 code | 52 blank | 32 comment | 84 complexity | b012d32049ae8545f28d9ee45795b73b MD5 | raw file
Possible License(s): BSD-3-Clause
- /* 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 "fmacros.h"
- #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 <sys/time.h>
- #include <event.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;
- 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;
- struct event readEvent;
- struct event writeEvent;
- 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(int fd, short event, void *privdata);
- 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;
- event_del(&c->readEvent);
- event_del(&c->writeEvent);
- 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) {
- event_del(&c->readEvent);
- event_del(&c->writeEvent);
- event_set(&c->writeEvent, c->fd, EV_WRITE|EV_PERSIST, writeHandler, c);
- event_add(&c->writeEvent, 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();
- createMissingClients(c);
- }
- 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);
- event_loopexit(NULL);
- return;
- }
- if (config.keepalive) {
- resetClient(c);
- if (config.randomkeys) randomizeClientKey(c);
- } else {
- config.liveclients--;
- createMissingClients(c);
- config.liveclients++;
- freeClient(c);
- }
- }
- static void readHandler(int fd, short event, void *privdata)
- {
- char buf[1024];
- int nread;
- client c = privdata;
- REDIS_NOTUSED(fd);
- REDIS_NOTUSED(event);
- 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(int fd, short event, void *privdata)
- {
- client c = privdata;
- REDIS_NOTUSED(fd);
- REDIS_NOTUSED(event);
- 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) {
- event_del(&c->writeEvent);
- event_add(&c->readEvent, 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;
- event_set(&c->readEvent, c->fd, EV_READ|EV_PERSIST, readHandler, c);
- event_set(&c->writeEvent, c->fd, EV_WRITE|EV_PERSIST, writeHandler, c);
- event_add(&c->writeEvent, 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;
- (void)event_init();
- 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 = 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);
- event_dispatch();
- 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);
- event_dispatch();
- 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);
- event_dispatch();
- 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);
- event_dispatch();
- 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);
- event_dispatch();
- endBenchmark("LPOP");
- prepareForBenchmark();
- c = createClient();
- if (!c) exit(1);
- c->obuf = sdscat(c->obuf,"PING\r\n");
- c->replytype = REPLY_RETCODE;
- createMissingClients(c);
- event_dispatch();
- endBenchmark("PING");
- printf("\n");
- } while(config.loop);
- return 0;
- }