/*
* memslap
*
* (c) Copyright 2009, Schooner Information Technology, Inc.
* All rights reserved.
* http://www.schoonerinfotech.com/
*
* Use and distribution licensed under the BSD license. See
* the COPYING file for full text.
*
* Authors:
* Brian Aker
* Mingqiang Zhuang <mingqiangzhuang@hengtiansoft.com>
*
*/
#include "mem_config.h"
#include <stdlib.h>
#include <getopt.h>
#include <limits.h>
#if defined(HAVE_SYS_TIME_H)
# include <sys/time.h>
#endif
#if defined(HAVE_TIME_H)
# include <time.h>
#endif
#include "ms_sigsegv.h"
#include "ms_setting.h"
#include "ms_thread.h"
#define PROGRAM_NAME "memslap"
#define PROGRAM_DESCRIPTION \
"Generates workload against memcached servers."
#ifdef __sun
/* For some odd reason the option struct on solaris defines the argument
* as char* and not const char*
*/
#define OPTIONSTRING char*
#else
#define OPTIONSTRING const char*
#endif
/* options */
static struct option long_options[]=
{
{ (OPTIONSTRING)"servers", required_argument, NULL,
OPT_SERVERS },
{ (OPTIONSTRING)"threads", required_argument, NULL,
OPT_THREAD_NUMBER },
{ (OPTIONSTRING)"concurrency", required_argument, NULL,
OPT_CONCURRENCY },
{ (OPTIONSTRING)"conn_sock", required_argument, NULL,
OPT_SOCK_PER_CONN },
{ (OPTIONSTRING)"execute_number", required_argument, NULL,
OPT_EXECUTE_NUMBER },
{ (OPTIONSTRING)"time", required_argument, NULL,
OPT_TIME },
{ (OPTIONSTRING)"cfg_cmd", required_argument, NULL,
OPT_CONFIG_CMD },
{ (OPTIONSTRING)"win_size", required_argument, NULL,
OPT_WINDOW_SIZE },
{ (OPTIONSTRING)"fixed_size", required_argument, NULL,
OPT_FIXED_LTH },
{ (OPTIONSTRING)"verify", required_argument, NULL,
OPT_VERIFY },
{ (OPTIONSTRING)"division", required_argument, NULL,
OPT_GETS_DIVISION },
{ (OPTIONSTRING)"stat_freq", required_argument, NULL,
OPT_STAT_FREQ },
{ (OPTIONSTRING)"exp_verify", required_argument, NULL,
OPT_EXPIRE },
{ (OPTIONSTRING)"overwrite", required_argument, NULL,
OPT_OVERWRITE },
{ (OPTIONSTRING)"reconnect", no_argument, NULL,
OPT_RECONNECT },
{ (OPTIONSTRING)"udp", no_argument, NULL,
OPT_UDP },
{ (OPTIONSTRING)"facebook", no_argument, NULL,
OPT_FACEBOOK_TEST },
{ (OPTIONSTRING)"binary", no_argument, NULL,
OPT_BINARY_PROTOCOL },
{ (OPTIONSTRING)"tps", required_argument, NULL,
OPT_TPS },
{ (OPTIONSTRING)"rep_write", required_argument, NULL,
OPT_REP_WRITE_SRV },
{ (OPTIONSTRING)"verbose", no_argument, NULL,
OPT_VERBOSE },
{ (OPTIONSTRING)"help", no_argument, NULL,
OPT_HELP },
{ (OPTIONSTRING)"version", no_argument, NULL,
OPT_VERSION },
{ 0, 0, 0, 0 },
};
/* Prototypes */
static void ms_sync_lock_init(void);
static void ms_sync_lock_destroy(void);
static void ms_global_struct_init(void);
static void ms_global_struct_destroy(void);
static void ms_version_command(const char *command_name);
static const char *ms_lookup_help(ms_options_t option);
static int64_t ms_parse_time(void);
static int64_t ms_parse_size(void);
static void ms_options_parse(int argc, char *argv[]);
static int ms_check_para(void);
static void ms_statistic_init(void);
static void ms_stats_init(void);
static void ms_print_statistics(int in_time);
static void ms_print_memslap_stats(struct timeval *start_time,
struct timeval *end_time);
static void ms_monitor_slap_mode(void);
/**
* output the help information
*
* @param command_name, the string of this process
* @param description, description of this process
* @param long_options, global options array
*/
static __attribute__((noreturn)) void ms_help_command(const char *command_name, const char *description)
{
char *help_message= NULL;
printf("%s v%u.%u\n", command_name, 1U, 0U);
printf(" %s\n\n", description);
printf(
"Usage:\n"
" memslap -hV | -s servers [-F config_file] [-t time | -x exe_num] [...]\n\n"
"Options:\n");
for (int x= 0; long_options[x].name; x++)
{
printf(" -%c, --%s%c\n", long_options[x].val, long_options[x].name,
long_options[x].has_arg ? '=' : ' ');
if ((help_message= (char *)ms_lookup_help(long_options[x].val)) != NULL)
{
printf(" %s\n", help_message);
}
}
printf(
"\nExamples:\n"
" memslap -s 127.0.0.1:11211 -S 5s\n"
" memslap -s 127.0.0.1:11211 -t 2m -v 0.2 -e 0.05 -b\n"
" memslap -s 127.0.0.1:11211 -F config -t 2m -w 40k -S 20s -o 0.2\n"
" memslap -s 127.0.0.1:11211 -F config -t 2m -T 4 -c 128 -d 20 -P 40k\n"
" memslap -s 127.0.0.1:11211 -F config -t 2m -d 50 -a -n 40\n"
" memslap -s 127.0.0.1:11211,127.0.0.1:11212 -F config -t 2m\n"
" memslap -s 127.0.0.1:11211,127.0.0.1:11212 -F config -t 2m -p 2\n\n");
exit(0);
} /* ms_help_command */
/* initialize the global locks */
static void ms_sync_lock_init()
{
ms_global.init_lock.count= 0;
pthread_mutex_init(&ms_global.init_lock.lock, NULL);
pthread_cond_init(&ms_global.init_lock.cond, NULL);
ms_global.warmup_lock.count = 0;
pthread_mutex_init(&ms_global.warmup_lock.lock, NULL);
pthread_cond_init(&ms_global.warmup_lock.cond, NULL);
ms_global.run_lock.count= 0;
pthread_mutex_init(&ms_global.run_lock.lock, NULL);
pthread_cond_init(&ms_global.run_lock.cond, NULL);
pthread_mutex_init(&ms_global.quit_mutex, NULL);
pthread_mutex_init(&ms_global.seq_mutex, NULL);
} /* ms_sync_lock_init */
/* destroy the global locks */
static void ms_sync_lock_destroy()
{
pthread_mutex_destroy(&ms_global.init_lock.lock);
pthread_cond_destroy(&ms_global.init_lock.cond);
pthread_mutex_destroy(&ms_global.warmup_lock.lock);
pthread_cond_destroy(&ms_global.warmup_lock.cond);
pthread_mutex_destroy(&ms_global.run_lock.lock);
pthread_cond_destroy(&ms_global.run_lock.cond);
pthread_mutex_destroy(&ms_global.quit_mutex);
pthread_mutex_destroy(&ms_global.seq_mutex);
if (ms_setting.stat_freq > 0)
{
pthread_mutex_destroy(&ms_statistic.stat_mutex);
}
} /* ms_sync_lock_destroy */
/* initialize the global structure */
static void ms_global_struct_init()
{
ms_sync_lock_init();
ms_global.finish_warmup= false;
ms_global.time_out= false;
}
/* destroy the global structure */
static void ms_global_struct_destroy()
{
ms_sync_lock_destroy();
}
/**
* output the version information
*
* @param command_name, the string of this process
*/
static void ms_version_command(const char *command_name)
{
printf("%s v%u.%u\n", command_name, 1U, 0U);
exit(0);
}
/**
* get the description of the option
*
* @param option, option of command line
*
* @return char*, description of the command option
*/
static const char *ms_lookup_help(ms_options_t option)
{
switch (option)
{
case OPT_SERVERS:
return
"List one or more servers to connect. Servers count must be less than\n"
" threads count. e.g.: --servers=localhost:1234,localhost:11211";
case OPT_VERSION:
return "Display the version of the application and then exit.";
case OPT_HELP:
return "Display this message and then exit.";
case OPT_EXECUTE_NUMBER:
return "Number of operations(get and set) to execute for the\n"
" given test. Default 1000000.";
case OPT_THREAD_NUMBER:
return
"Number of threads to startup, better equal to CPU numbers. Default 8.";
case OPT_CONCURRENCY:
return "Number of concurrency to simulate with load. Default 128.";
case OPT_FIXED_LTH:
return "Fixed length of value.";
case OPT_VERIFY:
return "The proportion of date verification, e.g.: --verify=0.01";
case OPT_GETS_DIVISION:
return "Number of keys to multi-get once. Default 1, means single get.";
case OPT_TIME:
return
"How long the test to run, suffix: s-seconds, m-minutes, h-hours,\n"
" d-days e.g.: --time=2h.";
case OPT_CONFIG_CMD:
return
"Load the configure file to get command,key and value distribution list.";
case OPT_WINDOW_SIZE:
return
"Task window size of each concurrency, suffix: K, M e.g.: --win_size=10k.\n"
" Default 10k.";
case OPT_UDP:
return
"UDP support, default memslap uses TCP, TCP port and UDP port of\n"
" server must be same.";
case OPT_EXPIRE:
return
"The proportion of objects with expire time, e.g.: --exp_verify=0.01.\n"
" Default no object with expire time";
case OPT_OVERWRITE:
return
"The proportion of objects need overwrite, e.g.: --overwrite=0.01.\n"
" Default never overwrite object.";
case OPT_STAT_FREQ:
return
"Frequency of dumping statistic information. suffix: s-seconds,\n"
" m-minutes, e.g.: --resp_freq=10s.";
case OPT_SOCK_PER_CONN:
return "Number of TCP socks per concurrency. Default 1.";
case OPT_RECONNECT:
return
"Reconnect support, when connection is closed it will be reconnected.";
case OPT_VERBOSE:
return
"Whether it outputs detailed information when verification fails.";
case OPT_FACEBOOK_TEST:
return
"Whether it enables facebook test feature, set with TCP and multi-get with UDP.";
case OPT_BINARY_PROTOCOL:
return
"Whether it enables binary protocol. Default with ASCII protocol.";
case OPT_TPS:
return "Expected throughput, suffix: K, e.g.: --tps=10k.";
case OPT_REP_WRITE_SRV:
return "The first nth servers can write data, e.g.: --rep_write=2.";
default:
return "Forgot to document this option :)";
} /* switch */
} /* ms_lookup_help */
/* used to parse the time string */
static int64_t ms_parse_time()
{
int64_t ret= 0;
char unit= optarg[strlen(optarg) - 1];
optarg[strlen(optarg) - 1]= '\0';
ret= atoi(optarg);
switch (unit)
{
case 'd':
case 'D':
ret*= 24;
case 'h':
case 'H':
ret*= 60;
case 'm':
case 'M':
ret*= 60;
case 's':
case 'S':
break;
default:
ret= -1;
break;
} /* switch */
return ret;
} /* ms_parse_time */
/* used to parse the size string */
static int64_t ms_parse_size()
{
int64_t ret= -1;
char unit= optarg[strlen(optarg) - 1];
optarg[strlen(optarg) - 1]= '\0';
errno= 0;
ret= strtoll(optarg, (char **)NULL, 10);
if (errno != 0)
{
fprintf(stderr, "strtoll(optarg,..): %s\n", strerror(errno));
exit(1);
}
switch (unit)
{
case 'k':
case 'K':
ret*= 1024;
break;
case 'm':
case 'M':
ret*= 1024 * 1024;
break;
case 'g':
case 'G':
ret*= 1024 * 1024 * 1024;
break;
default:
ret= -1;
break;
} /* switch */
return ret;
} /* ms_parse_size */
/* used to parse the options of command line */
static void ms_options_parse(int argc, char *argv[])
{
int option_index= 0;
int option_rv;
while ((option_rv= getopt_long(argc, argv, "VhURbaBs:x:T:c:X:v:d:"
"t:S:F:w:e:o:n:P:p:",
long_options, &option_index)) != -1)
{
switch (option_rv)
{
case 0:
break;
case OPT_VERSION: /* --version or -V */
ms_version_command(PROGRAM_NAME);
break;
case OPT_HELP: /* --help or -h */
ms_help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION);
break;
case OPT_SERVERS: /* --servers or -s */
ms_setting.srv_str= strdup(optarg);
break;
case OPT_CONCURRENCY: /* --concurrency or -c */
errno= 0;
ms_setting.nconns= (uint32_t)strtoul(optarg, (char **) NULL, 10);
if (ms_setting.nconns <= 0 || errno != 0)
{
fprintf(stderr, "Concurrency must be greater than 0.:-)\n");
exit(1);
}
break;
case OPT_EXECUTE_NUMBER: /* --execute_number or -x */
errno= 0;
ms_setting.exec_num= (int)strtol(optarg, (char **) NULL, 10);
if (ms_setting.exec_num <= 0 || errno != 0)
{
fprintf(stderr, "Execute number must be greater than 0.:-)\n");
exit(1);
}
break;
case OPT_THREAD_NUMBER: /* --threads or -T */
errno= 0;
ms_setting.nthreads= (uint32_t)strtoul(optarg, (char **) NULL, 10);
if (ms_setting.nthreads <= 0 || errno != 0)
{
fprintf(stderr, "Threads number must be greater than 0.:-)\n");
exit(1);
}
break;
case OPT_FIXED_LTH: /* --fixed_size or -X */
errno= 0;
ms_setting.fixed_value_size= (size_t)strtoull(optarg, (char **) NULL, 10);
if ((ms_setting.fixed_value_size <= 0 || errno != 0)
|| (ms_setting.fixed_value_size > MAX_VALUE_SIZE))
{
fprintf(stderr, "Value size must be between 0 and 1M.:-)\n");
exit(1);
}
break;
case OPT_VERIFY: /* --verify or -v */
ms_setting.verify_percent= atof(optarg);
if ((ms_setting.verify_percent <= 0)
|| (ms_setting.verify_percent > 1.0))
{
fprintf(stderr, "Data verification rate must be "
"greater than 0 and less than 1.0. :-)\n");
exit(1);
}
break;
case OPT_GETS_DIVISION: /* --division or -d */
errno= 0;
ms_setting.mult_key_num= (int)strtol(optarg, (char **) NULL, 10);
if (ms_setting.mult_key_num <= 0 || errno != 0)
{
fprintf(stderr, "Multi-get key number must be greater than 0.:-)\n");
exit(1);
}
break;
case OPT_TIME: /* --time or -t */
ms_setting.run_time= (int)ms_parse_time();
if (ms_setting.run_time == -1)
{
fprintf(stderr, "Please specify the run time. :-)\n"
"'s' for second, 'm' for minute, 'h' for hour, "
"'d' for day. e.g.: --time=24h (means 24 hours).\n");
exit(1);
}
if (ms_setting.run_time == 0)
{
fprintf(stderr, "Running time can not be 0. :-)\n");
exit(1);
}
break;
case OPT_CONFIG_CMD: /* --cfg_cmd or -F */
ms_setting.cfg_file= strdup(optarg);
break;
case OPT_WINDOW_SIZE: /* --win_size or -w */
ms_setting.win_size= (size_t)ms_parse_size();
if (ms_setting.win_size == (size_t)-1)
{
fprintf(
stderr,
"Please specify the item window size. :-)\n"
"e.g.: --win_size=10k (means 10k task window size).\n");
exit(1);
}
break;
case OPT_UDP: /* --udp or -U*/
ms_setting.udp= true;
break;
case OPT_EXPIRE: /* --exp_verify or -e */
ms_setting.exp_ver_per= atof(optarg);
if ((ms_setting.exp_ver_per <= 0) || (ms_setting.exp_ver_per > 1.0))
{
fprintf(stderr, "Expire time verification rate must be "
"greater than 0 and less than 1.0. :-)\n");
exit(1);
}
break;
case OPT_OVERWRITE: /* --overwrite or -o */
ms_setting.overwrite_percent= atof(optarg);
if ((ms_setting.overwrite_percent <= 0)
|| (ms_setting.overwrite_percent > 1.0))
{
fprintf(stderr, "Objects overwrite rate must be "
"greater than 0 and less than 1.0. :-)\n");
exit(1);
}
break;
case OPT_STAT_FREQ: /* --stat_freq or -S */
ms_setting.stat_freq= (int)ms_parse_time();
if (ms_setting.stat_freq == -1)
{
fprintf(stderr, "Please specify the frequency of dumping "
"statistic information. :-)\n"
"'s' for second, 'm' for minute, 'h' for hour, "
"'d' for day. e.g.: --time=24h (means 24 hours).\n");
exit(1);
}
if (ms_setting.stat_freq == 0)
{
fprintf(stderr, "The frequency of dumping statistic information "
"can not be 0. :-)\n");
exit(1);
}
break;
case OPT_SOCK_PER_CONN: /* --conn_sock or -n */
errno= 0;
ms_setting.sock_per_conn= (uint32_t)strtoul(optarg, (char **) NULL, 10);
if (ms_setting.sock_per_conn <= 0 || errno != 0)
{
fprintf(stderr, "Number of socks of each concurrency "
"must be greater than 0.:-)\n");
exit(1);
}
break;
case OPT_RECONNECT: /* --reconnect or -R */
ms_setting.reconnect= true;
break;
case OPT_VERBOSE: /* --verbose or -b */
ms_setting.verbose= true;
break;
case OPT_FACEBOOK_TEST: /* --facebook or -a */
ms_setting.facebook_test= true;
break;
case OPT_BINARY_PROTOCOL: /* --binary or -B */
ms_setting.binary_prot_= true;
break;
case OPT_TPS: /* --tps or -P */
ms_setting.expected_tps= (int)ms_parse_size();
if (ms_setting.expected_tps == -1)
{
fprintf(stderr,
"Please specify the item expected throughput. :-)\n"
"e.g.: --tps=10k (means 10k throughput).\n");
exit(1);
}
break;
case OPT_REP_WRITE_SRV: /* --rep_write or -p */
errno= 0;
ms_setting.rep_write_srv= (uint32_t)strtoul(optarg, (char **) NULL, 10);
if (ms_setting.rep_write_srv <= 0 || errno != 0)
{
fprintf(stderr,
"Number of replication writing server must be greater "
"than 0.:-)\n");
exit(1);
}
break;
case '?':
/* getopt_long already printed an error message. */
exit(1);
default:
abort();
} /* switch */
}
} /* ms_options_parse */
static int ms_check_para()
{
if (ms_setting.srv_str == NULL)
{
char *temp;
if ((temp= getenv("MEMCACHED_SERVERS")))
{
ms_setting.srv_str= strdup(temp);
}
else
{
fprintf(stderr, "No Servers provided\n\n");
return -1;
}
}
if (ms_setting.nconns % (uint32_t)ms_setting.nthreads != 0)
{
fprintf(stderr, "Concurrency must be the multiples of threads count.\n");
return -1;
}
if (ms_setting.win_size % UNIT_ITEMS_COUNT != 0)
{
fprintf(stderr, "Window size must be the multiples of 1024.\n\n");
return -1;
}
return EXIT_SUCCESS;
} /* ms_check_para */
/* initialize the statistic structure */
static void ms_statistic_init()
{
pthread_mutex_init(&ms_statistic.stat_mutex, NULL);
ms_init_stats(&ms_statistic.get_stat, "Get");
ms_init_stats(&ms_statistic.set_stat, "Set");
ms_init_stats(&ms_statistic.total_stat, "Total");
} /* ms_statistic_init */
/* initialize the global state structure */
static void ms_stats_init()
{
memset(&ms_stats, 0, sizeof(ms_stats_t));
if (ms_setting.stat_freq > 0)
{
ms_statistic_init();
}
} /* ms_stats_init */
/* use to output the statistic */
static void ms_print_statistics(int in_time)
{
int obj_size= (int)(ms_setting.avg_key_size + ms_setting.avg_val_size);
printf("\033[1;1H\033[2J\n");
ms_dump_format_stats(&ms_statistic.get_stat, in_time,
ms_setting.stat_freq, obj_size);
ms_dump_format_stats(&ms_statistic.set_stat, in_time,
ms_setting.stat_freq, obj_size);
ms_dump_format_stats(&ms_statistic.total_stat, in_time,
ms_setting.stat_freq, obj_size);
} /* ms_print_statistics */
/* used to print the states of memslap */
static void ms_print_memslap_stats(struct timeval *start_time,
struct timeval *end_time)
{
char buf[1024];
char *pos= buf;
pos+= snprintf(pos,
sizeof(buf), "cmd_get: %lu\n",
(unsigned long) ms_stats.cmd_get);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"cmd_set: %lu\n",
(unsigned long) ms_stats.cmd_set);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"get_misses: %lu\n",
(unsigned long) ms_stats.get_misses);
if (ms_setting.verify_percent > 0)
{
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"verify_misses: %lu\n",
(unsigned long) ms_stats.vef_miss);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"verify_failed: %lu\n",
(unsigned long) ms_stats.vef_failed);
}
if (ms_setting.exp_ver_per > 0)
{
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"expired_get: %lu\n",
(unsigned long) ms_stats.exp_get);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"unexpired_unget: %lu\n",
(unsigned long) ms_stats.unexp_unget);
}
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"written_bytes: %lu\n",
(unsigned long) ms_stats.bytes_written);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"read_bytes: %lu\n",
(unsigned long) ms_stats.bytes_read);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"object_bytes: %lu\n",
(unsigned long) ms_stats.obj_bytes);
if (ms_setting.udp || ms_setting.facebook_test)
{
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"packet_disorder: %lu\n",
(unsigned long) ms_stats.pkt_disorder);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"packet_drop: %lu\n",
(unsigned long)ms_stats.pkt_drop);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"udp_timeout: %lu\n",
(unsigned long)ms_stats.udp_timeout);
}
if (ms_setting.stat_freq > 0)
{
ms_dump_stats(&ms_statistic.get_stat);
ms_dump_stats(&ms_statistic.set_stat);
ms_dump_stats(&ms_statistic.total_stat);
}
int64_t time_diff= ms_time_diff(start_time, end_time);
pos+= snprintf(pos,
sizeof(buf) - (size_t)(pos -buf),
"\nRun time: %.1fs Ops: %llu TPS: %.0Lf Net_rate: %.1fM/s\n",
(double)time_diff / 1000000,
(unsigned long long)(ms_stats.cmd_get + ms_stats.cmd_set),
(ms_stats.cmd_get
+ ms_stats.cmd_set) / ((long double)time_diff / 1000000),
(double)(
ms_stats.bytes_written
+ ms_stats.bytes_read) / 1024 / 1024
/ ((double)time_diff / 1000000));
assert(pos <= buf);
fprintf(stdout, "%s", buf);
fflush(stdout);
} /* ms_print_memslap_stats */
/* the loop of the main thread, wait the work threads to complete */
static void ms_monitor_slap_mode()
{
struct timeval start_time, end_time;
/* Wait all the threads complete initialization. */
pthread_mutex_lock(&ms_global.init_lock.lock);
while (ms_global.init_lock.count < ms_setting.nthreads)
{
pthread_cond_wait(&ms_global.init_lock.cond,
&ms_global.init_lock.lock);
}
pthread_mutex_unlock(&ms_global.init_lock.lock);
/* only when there is no set operation it need warm up */
if (ms_setting.cmd_distr[CMD_SET].cmd_prop < PROP_ERROR)
{
/* Wait all the connects complete warm up. */
pthread_mutex_lock(&ms_global.warmup_lock.lock);
while (ms_global.warmup_lock.count < ms_setting.nconns)
{
pthread_cond_wait(&ms_global.warmup_lock.cond, &ms_global.warmup_lock.lock);
}
pthread_mutex_unlock(&ms_global.warmup_lock.lock);
}
ms_global.finish_warmup= true;
/* running in "run time" mode, user specify run time */
if (ms_setting.run_time > 0)
{
int second= 0;
gettimeofday(&start_time, NULL);
while (1)
{
sleep(1);
second++;
if ((ms_setting.stat_freq > 0) && (second % ms_setting.stat_freq == 0)
&& (ms_stats.active_conns >= ms_setting.nconns)
&& (ms_stats.active_conns <= INT_MAX))
{
ms_print_statistics(second);
}
if (ms_setting.run_time <= second)
{
ms_global.time_out= true;
break;
}
/* all connections disconnect */
if ((second > 5) && (ms_stats.active_conns == 0))
{
break;
}
}
gettimeofday(&end_time, NULL);
sleep(1); /* wait all threads clean up */
}
else
{
/* running in "execute number" mode, user specify execute number */
gettimeofday(&start_time, NULL);
/*
* We loop until we know that all connects have cleaned up.
*/
pthread_mutex_lock(&ms_global.run_lock.lock);
while (ms_global.run_lock.count < ms_setting.nconns)
{
pthread_cond_wait(&ms_global.run_lock.cond, &ms_global.run_lock.lock);
}
pthread_mutex_unlock(&ms_global.run_lock.lock);
gettimeofday(&end_time, NULL);
}
ms_print_memslap_stats(&start_time, &end_time);
} /* ms_monitor_slap_mode */
/* the main function */
int main(int argc, char *argv[])
{
srandom((unsigned int)time(NULL));
ms_global_struct_init();
/* initialization */
ms_setting_init_pre();
ms_options_parse(argc, argv);
if (ms_check_para())
{
ms_help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION);
exit(1);
}
ms_setting_init_post();
ms_stats_init();
ms_thread_init();
/* waiting work thread complete its task */
ms_monitor_slap_mode();
/* clean up */
ms_thread_cleanup();
ms_global_struct_destroy();
ms_setting_cleanup();
return EXIT_SUCCESS;
} /* main */