-#include "libmemcached/common.h"
-#include <stdio.h>
+/*
+ * 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 "config.h"
+
#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <sys/time.h>
#include <getopt.h>
-#include <pthread.h>
-#include <assert.h>
-
-#include <libmemcached/memcached.h>
-
-#include "client_options.h"
-#include "utilities.h"
-#include "generator.h"
-#include "execute.h"
-
-#define DEFAULT_INITIAL_LOAD 10000
-#define DEFAULT_EXECUTE_NUMBER 10000
-#define DEFAULT_CONCURRENCY 1
-
-#define PROGRAM_NAME "memslap"
-#define PROGRAM_DESCRIPTION "Generates a load against a memcached custer of servers."
-
-/* Global Thread counter */
-volatile unsigned int thread_counter;
-pthread_mutex_t counter_mutex;
-pthread_cond_t count_threshhold;
-volatile unsigned int master_wakeup;
-pthread_mutex_t sleeper_mutex;
-pthread_cond_t sleep_threshhold;
-
-void *run_task(void *p);
-
-/* Types */
-typedef struct conclusions_st conclusions_st;
-typedef struct thread_context_st thread_context_st;
-typedef enum {
- SET_TEST,
- GET_TEST,
-} test_type;
-
-struct thread_context_st {
- unsigned int key_count;
- pairs_st *initial_pairs;
- unsigned int initial_number;
- pairs_st *execute_pairs;
- unsigned int execute_number;
- test_type test;
- memcached_st *memc;
-};
+#include <limits.h>
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#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
-struct conclusions_st {
- long int load_time;
- long int read_time;
- unsigned int rows_loaded;
- unsigned int rows_read;
+/* 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 */
-void options_parse(int argc, char *argv[]);
-void conclusions_print(conclusions_st *conclusion);
-void scheduler(memcached_server_st *servers, conclusions_st *conclusion);
-pairs_st *load_create_data(memcached_st *memc, unsigned int number_of,
- unsigned int *actual_loaded);
-void flush_all(memcached_st *memc);
-
-static int opt_binary= 0;
-static int opt_verbose= 0;
-static int opt_flush= 0;
-static int opt_non_blocking_io= 0;
-static int opt_tcp_nodelay= 0;
-static unsigned int opt_execute_number= 0;
-static unsigned int opt_createial_load= 0;
-static unsigned int opt_concurrency= 0;
-static int opt_displayflag= 0;
-static char *opt_servers= NULL;
-static int opt_udp_io= 0;
-test_type opt_test= SET_TEST;
+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 time);
+static void ms_print_memslap_stats(struct timeval *start_time,
+ struct timeval *end_time);
+static void ms_monitor_slap_mode(void);
+void ms_help_command(const char *command_name, const char *description);
+
+
+/* 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);
-int main(int argc, char *argv[])
+ 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()
{
- conclusions_st conclusion;
- memcached_server_st *servers;
+ pthread_mutex_destroy(&ms_global.init_lock.lock);
+ pthread_cond_destroy(&ms_global.init_lock.cond);
- memset(&conclusion, 0, sizeof(conclusions_st));
+ pthread_mutex_destroy(&ms_global.run_lock.lock);
+ pthread_cond_destroy(&ms_global.run_lock.cond);
- srandom(time(NULL));
- options_parse(argc, argv);
+ pthread_mutex_destroy(&ms_global.quit_mutex);
+ pthread_mutex_destroy(&ms_global.seq_mutex);
- if (!opt_servers)
+ if (ms_setting.stat_freq > 0)
{
- char *temp;
-
- if ((temp= getenv("MEMCACHED_SERVERS")))
- opt_servers= strdup(temp);
- else
- {
- fprintf(stderr, "No Servers provided\n");
- exit(1);
- }
+ pthread_mutex_destroy(&ms_statistic.stat_mutex);
}
+} /* ms_sync_lock_destroy */
- servers= memcached_servers_parse(opt_servers);
- pthread_mutex_init(&counter_mutex, NULL);
- pthread_cond_init(&count_threshhold, NULL);
- pthread_mutex_init(&sleeper_mutex, NULL);
- pthread_cond_init(&sleep_threshhold, NULL);
+/* initialize the global structure */
+static void ms_global_struct_init()
+{
+ ms_sync_lock_init();
+ ms_global.finish_warmup= false;
+ ms_global.time_out= false;
+}
- scheduler(servers, &conclusion);
- free(opt_servers);
+/* destroy the global structure */
+static void ms_global_struct_destroy()
+{
+ ms_sync_lock_destroy();
+}
- (void)pthread_mutex_destroy(&counter_mutex);
- (void)pthread_cond_destroy(&count_threshhold);
- (void)pthread_mutex_destroy(&sleeper_mutex);
- (void)pthread_cond_destroy(&sleep_threshhold);
- conclusions_print(&conclusion);
- memcached_server_list_free(servers);
- return 0;
+/**
+ * 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);
}
-void scheduler(memcached_server_st *servers, conclusions_st *conclusion)
+
+/**
+ * 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)
{
- unsigned int x;
- unsigned int actual_loaded= 0; /* Fix warning */
- memcached_st *memc;
+ 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";
- struct timeval start_time, end_time;
- pthread_t mainthread; /* Thread descriptor */
- pthread_attr_t attr; /* Thread attributes */
- pairs_st *pairs= NULL;
+ case OPT_VERSION:
+ return "Display the version of the application and then exit.";
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr,
- PTHREAD_CREATE_DETACHED);
+ case OPT_HELP:
+ return "Display this message and then exit.";
- memc= memcached_create(NULL);
+ case OPT_EXECUTE_NUMBER:
+ return "Number of operations(get and set) to execute for the\n"
+ " given test. Default 1000000.";
- /* We need to set udp behavior before adding servers to the client */
- if (opt_udp_io)
- {
- memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, opt_udp_io);
- for(x= 0; x < servers[0].count; x++ )
- servers[x].type= MEMCACHED_CONNECTION_UDP;
- }
- memcached_server_push(memc, servers);
+ case OPT_THREAD_NUMBER:
+ return
+ "Number of threads to startup, better equal to CPU numbers. Default 8.";
- memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
-
- if (opt_flush)
- flush_all(memc);
- if (opt_createial_load)
- pairs= load_create_data(memc, opt_createial_load, &actual_loaded);
+ case OPT_CONCURRENCY:
+ return "Number of concurrency to simulate with load. Default 128.";
- /* We set this after we have loaded */
- {
- if (opt_non_blocking_io)
- memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, 1);
- if (opt_tcp_nodelay)
- memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, 1);
- }
+ case OPT_FIXED_LTH:
+ return "Fixed length of value.";
+ case OPT_VERIFY:
+ return "The proportion of date verification, e.g.: --verify=0.01";
- pthread_mutex_lock(&counter_mutex);
- thread_counter= 0;
+ case OPT_GETS_DIVISION:
+ return "Number of keys to multi-get once. Default 1, means single get.";
- pthread_mutex_lock(&sleeper_mutex);
- master_wakeup= 1;
- pthread_mutex_unlock(&sleeper_mutex);
+ case OPT_TIME:
+ return
+ "How long the test to run, suffix: s-seconds, m-minutes, h-hours,\n"
+ " d-days e.g.: --time=2h.";
- for (x= 0; x < opt_concurrency; x++)
- {
- thread_context_st *context;
- context= (thread_context_st *)calloc(1, sizeof(thread_context_st));
+ case OPT_CONFIG_CMD:
+ return
+ "Load the configure file to get command,key and value distribution list.";
- context->memc= memcached_clone(NULL, memc);
- context->test= opt_test;
+ case OPT_WINDOW_SIZE:
+ return
+ "Task window size of each concurrency, suffix: K, M e.g.: --win_size=10k.\n"
+ " Default 10k.";
- context->initial_pairs= pairs;
- context->initial_number= actual_loaded;
+ case OPT_UDP:
+ return
+ "UDP support, default memslap uses TCP, TCP port and UDP port of\n"
+ " server must be same.";
- if (opt_test == SET_TEST)
- {
- context->execute_pairs= pairs_generate(opt_execute_number, 400);
- context->execute_number= opt_execute_number;
- }
+ 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.";
- /* now you create the thread */
- if (pthread_create(&mainthread, &attr, run_task,
- (void *)context) != 0)
+ 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 */
+
+
+/**
+ * output the help information
+ *
+ * @param command_name, the string of this process
+ * @param description, description of this process
+ * @param long_options, global options array
+ */
+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)
{
- fprintf(stderr,"Could not create thread\n");
- exit(1);
+ printf(" %s\n", help_message);
}
- thread_counter++;
}
- pthread_mutex_unlock(&counter_mutex);
- pthread_attr_destroy(&attr);
-
- pthread_mutex_lock(&sleeper_mutex);
- master_wakeup= 0;
- pthread_mutex_unlock(&sleeper_mutex);
- pthread_cond_broadcast(&sleep_threshhold);
-
- gettimeofday(&start_time, NULL);
- /*
- We loop until we know that all children have cleaned up.
- */
- pthread_mutex_lock(&counter_mutex);
- while (thread_counter)
- pthread_cond_wait(&count_threshhold, &counter_mutex);
- pthread_mutex_unlock(&counter_mutex);
-
- gettimeofday(&end_time, NULL);
-
- conclusion->load_time= timedif(end_time, start_time);
- conclusion->read_time= timedif(end_time, start_time);
- pairs_free(pairs);
- memcached_free(memc);
-}
+ 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 */
+
-void options_parse(int argc, char *argv[])
+/* used to parse the time string */
+static int64_t ms_parse_time()
{
- memcached_programs_help_st help_options[]=
+ int64_t ret= 0;
+ char unit= optarg[strlen(optarg) - 1];
+
+ optarg[strlen(optarg) - 1]= '\0';
+ ret= atoi(optarg);
+
+ switch (unit)
{
- {0},
- };
+ case 'd':
+ case 'D':
+ ret*= 24;
- static struct option long_options[]=
- {
- {"concurrency", required_argument, NULL, OPT_SLAP_CONCURRENCY},
- {"debug", no_argument, &opt_verbose, OPT_DEBUG},
- {"execute-number", required_argument, NULL, OPT_SLAP_EXECUTE_NUMBER},
- {"flag", no_argument, &opt_displayflag, OPT_FLAG},
- {"flush", no_argument, &opt_flush, OPT_FLUSH},
- {"help", no_argument, NULL, OPT_HELP},
- {"initial-load", required_argument, NULL, OPT_SLAP_INITIAL_LOAD}, /* Number to load initially */
- {"non-blocking", no_argument, &opt_non_blocking_io, OPT_SLAP_NON_BLOCK},
- {"servers", required_argument, NULL, OPT_SERVERS},
- {"tcp-nodelay", no_argument, &opt_tcp_nodelay, OPT_SLAP_TCP_NODELAY},
- {"test", required_argument, NULL, OPT_SLAP_TEST},
- {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
- {"version", no_argument, NULL, OPT_VERSION},
- {"binary", no_argument, NULL, OPT_BINARY},
- {"udp", no_argument, NULL, OPT_UDP},
- {0, 0, 0, 0},
- };
+ 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';
+ ret= strtoll(optarg, (char **)NULL, 10);
+
+ 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 (1)
+ 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)
{
- option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
- if (option_rv == -1) break;
switch (option_rv)
{
case 0:
break;
- case OPT_UDP:
- if (opt_test == GET_TEST)
+
+ 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 */
+ ms_setting.nconns= (int)strtol(optarg, (char **) NULL, 10);
+ if (ms_setting.nconns <= 0)
+ {
+ fprintf(stderr, "Concurrency must be greater than 0.:-)\n");
+ exit(1);
+ }
+ break;
+
+ case OPT_EXECUTE_NUMBER: /* --execute_number or -x */
+ ms_setting.exec_num= (int)strtol(optarg, (char **) NULL, 10);
+ if (ms_setting.exec_num <= 0)
{
- fprintf(stderr, "You can not run a get test in UDP mode. UDP mode "
- "does not currently support get ops.\n");
+ fprintf(stderr, "Execute number must be greater than 0.:-)\n");
exit(1);
}
- opt_udp_io= 1;
break;
- case OPT_BINARY:
- opt_binary = 1;
+
+ case OPT_THREAD_NUMBER: /* --threads or -T */
+ ms_setting.nthreads= (int)strtol(optarg, (char **) NULL, 10);
+ if (ms_setting.nthreads <= 0)
+ {
+ fprintf(stderr, "Threads number must be greater than 0.:-)\n");
+ exit(1);
+ }
+ break;
+
+ case OPT_FIXED_LTH: /* --fixed_size or -X */
+ ms_setting.fixed_value_size= (size_t)strtoull(optarg, (char **) NULL, 10);
+ if ((ms_setting.fixed_value_size <= 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 */
+ ms_setting.mult_key_num= (int)strtol(optarg, (char **) NULL, 10);
+ if (ms_setting.mult_key_num <= 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_VERBOSE: /* --verbose or -v */
- opt_verbose = OPT_VERBOSE;
+
+ case OPT_CONFIG_CMD: /* --cfg_cmd or -F */
+ ms_setting.cfg_file= strdup(optarg);
break;
- case OPT_DEBUG: /* --debug or -d */
- opt_verbose = OPT_DEBUG;
+
+ 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_VERSION: /* --version or -V */
- version_command(PROGRAM_NAME);
+
+ case OPT_UDP: /* --udp or -U*/
+ ms_setting.udp= true;
break;
- case OPT_HELP: /* --help or -h */
- help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
+
+ 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_SERVERS: /* --servers or -s */
- opt_servers= strdup(optarg);
+
+ 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_SLAP_TEST:
- if (!strcmp(optarg, "get"))
+
+ case OPT_STAT_FREQ: /* --stat_freq or -S */
+ ms_setting.stat_freq= (int)ms_parse_time();
+ if (ms_setting.stat_freq == -1)
{
- if (opt_udp_io == 1)
- {
- fprintf(stderr, "You can not run a get test in UDP mode. UDP mode "
- "does not currently support get ops.\n");
- exit(1);
- }
- opt_test= GET_TEST ;
+ 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);
}
- else if (!strcmp(optarg, "set"))
- opt_test= SET_TEST;
- else
+
+ if (ms_setting.stat_freq == 0)
{
- fprintf(stderr, "Your test, %s, is not a known test\n", optarg);
+ fprintf(stderr, "The frequency of dumping statistic information "
+ "can not be 0. :-)\n");
exit(1);
}
break;
- case OPT_SLAP_CONCURRENCY:
- opt_concurrency= strtol(optarg, (char **)NULL, 10);
+
+ case OPT_SOCK_PER_CONN: /* --conn_sock or -n */
+ ms_setting.sock_per_conn= (int)strtol(optarg, (char **) NULL, 10);
+ if (ms_setting.sock_per_conn <= 0)
+ {
+ fprintf(stderr, "Number of socks of each concurrency "
+ "must be greater than 0.:-)\n");
+ exit(1);
+ }
break;
- case OPT_SLAP_EXECUTE_NUMBER:
- opt_execute_number= strtol(optarg, (char **)NULL, 10);
+
+ case OPT_RECONNECT: /* --reconnect or -R */
+ ms_setting.reconnect= true;
break;
- case OPT_SLAP_INITIAL_LOAD:
- opt_createial_load= strtol(optarg, (char **)NULL, 10);
+
+ 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 */
+ ms_setting.rep_write_srv= (int)strtol(optarg, (char **) NULL, 10);
+ if (ms_setting.rep_write_srv <= 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 (opt_test == GET_TEST && opt_createial_load == 0)
- opt_createial_load= DEFAULT_INITIAL_LOAD;
+ if (ms_setting.nconns % 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;
+ }
- if (opt_execute_number == 0)
- opt_execute_number= DEFAULT_EXECUTE_NUMBER;
+ return 0;
+} /* ms_check_para */
- if (opt_concurrency == 0)
- opt_concurrency= DEFAULT_CONCURRENCY;
-}
-void conclusions_print(conclusions_st *conclusion)
+/* initialize the statistic structure */
+static void ms_statistic_init()
{
- printf("\tThreads connecting to servers %u\n", opt_concurrency);
-#ifdef NOT_FINISHED
- printf("\tLoaded %u rows\n", conclusion->rows_loaded);
- printf("\tRead %u rows\n", conclusion->rows_read);
-#endif
- if (opt_test == SET_TEST)
- printf("\tTook %ld.%03ld seconds to load data\n", conclusion->load_time / 1000,
- conclusion->load_time % 1000);
- else
- printf("\tTook %ld.%03ld seconds to read data\n", conclusion->read_time / 1000,
- conclusion->read_time % 1000);
-}
+ 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 */
+
-void *run_task(void *p)
+/* initialize the global state structure */
+static void ms_stats_init()
{
- thread_context_st *context= (thread_context_st *)p;
- memcached_st *memc;
+ memset(&ms_stats, 0, sizeof(ms_stats_t));
+ if (ms_setting.stat_freq > 0)
+ {
+ ms_statistic_init();
+ }
+} /* ms_stats_init */
- memc= context->memc;
- pthread_mutex_lock(&sleeper_mutex);
- while (master_wakeup)
+/* 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+= sprintf(pos,
+ "cmd_get: %llu\n",
+ (unsigned long long)ms_stats.cmd_get);
+ pos+= sprintf(pos,
+ "cmd_set: %llu\n",
+ (unsigned long long)ms_stats.cmd_set);
+ pos+= sprintf(pos,
+ "get_misses: %llu\n",
+ (unsigned long long)ms_stats.get_misses);
+
+ if (ms_setting.verify_percent > 0)
{
- pthread_cond_wait(&sleep_threshhold, &sleeper_mutex);
- }
- pthread_mutex_unlock(&sleeper_mutex);
+ pos+= sprintf(pos, "verify_misses: %llu\n",
+ (unsigned long long)ms_stats.vef_miss);
+ pos+= sprintf(pos, "verify_failed: %llu\n",
+ (unsigned long long)ms_stats.vef_failed);
+ }
- /* Do Stuff */
- switch (context->test)
+ if (ms_setting.exp_ver_per > 0)
{
- case SET_TEST:
- assert(context->execute_pairs);
- execute_set(memc, context->execute_pairs, context->execute_number);
- break;
- case GET_TEST:
- execute_get(memc, context->initial_pairs, context->initial_number);
- break;
- default:
- WATCHPOINT_ASSERT(context->test);
- break;
+ pos+= sprintf(pos, "expired_get: %llu\n",
+ (unsigned long long)ms_stats.exp_get);
+ pos+= sprintf(pos, "unexpired_unget: %llu\n",
+ (unsigned long long)ms_stats.unexp_unget);
}
- memcached_free(memc);
+ pos+= sprintf(pos,
+ "written_bytes: %llu\n",
+ (unsigned long long)ms_stats.bytes_written);
+ pos+= sprintf(pos,
+ "read_bytes: %llu\n",
+ (unsigned long long)ms_stats.bytes_read);
+ pos+= sprintf(pos,
+ "object_bytes: %llu\n",
+ (unsigned long long)ms_stats.obj_bytes);
+
+ if (ms_setting.udp || ms_setting.facebook_test)
+ {
+ pos+= sprintf(pos,
+ "packet_disorder: %llu\n",
+ (unsigned long long)ms_stats.pkt_disorder);
+ pos+= sprintf(pos,
+ "packet_drop: %llu\n",
+ (unsigned long long)ms_stats.pkt_drop);
+ pos+= sprintf(pos,
+ "udp_timeout: %llu\n",
+ (unsigned long long)ms_stats.udp_timeout);
+ }
- if (context->execute_pairs)
- pairs_free(context->execute_pairs);
+ 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);
+ }
- free(context);
+ int64_t time_diff= ms_time_diff(start_time, end_time);
+ pos+= sprintf(
+ pos,
+ "\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));
+
+ 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()
+{
+ int second= 0;
+ struct timeval start_time, end_time;
- pthread_mutex_lock(&counter_mutex);
- thread_counter--;
- pthread_cond_signal(&count_threshhold);
- pthread_mutex_unlock(&counter_mutex);
+ /* 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.init_lock.lock);
+ while (ms_global.init_lock.count < ms_setting.nconns)
+ {
+ pthread_cond_wait(&ms_global.init_lock.cond,
+ &ms_global.init_lock.lock);
+ }
+ pthread_mutex_unlock(&ms_global.init_lock.lock);
+ }
- return NULL;
-}
+ ms_global.finish_warmup= true;
-void flush_all(memcached_st *memc)
-{
- memcached_flush(memc, 0);
-}
+ /* running in "run time" mode, user specify run time */
+ if (ms_setting.run_time > 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);
+ }
-pairs_st *load_create_data(memcached_st *memc, unsigned int number_of,
- unsigned int *actual_loaded)
+ 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[])
{
- memcached_st *memc_clone;
- pairs_st *pairs;
+ srandom((unsigned int)time(NULL));
+ ms_global_struct_init();
- memc_clone= memcached_clone(NULL, memc);
- /* We always used non-blocking IO for load since it is faster */
- memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_NO_BLOCK, 0);
+ /* 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();
- pairs= pairs_generate(number_of, 400);
- *actual_loaded= execute_set(memc_clone, pairs, number_of);
+ /* waiting work thread complete its task */
+ ms_monitor_slap_mode();
- memcached_free(memc_clone);
+ /* clean up */
+ ms_thread_cleanup();
+ ms_global_struct_destroy();
+ ms_setting_cleanup();
- return pairs;
-}
+ return 0;
+} /* main */